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Une étude évaluant l'association de l'encorafenib et du cetuximab par rapport à l'irinotecan/cetuximab ou à la perfusion de 5-fluorouracile (5-FU)/acide folinique (FA)/irinotecan (FOLFIRI)/cetuximab chez des patients chinois atteints d'un cancer colorectal métastatique mutant BRAF V600E. (NAUTICALCRC)

8 avril 2026 mis à jour par: Pierre Fabre Medicament

Une étude multicentrique, randomisée, ouverte, à 2 bras, de phase II avec une phase d'introduction de l'innocuité évaluant l'association de l'encorafenib et du cetuximab par rapport à l'irinotécan/cetuximab ou le 5-fluorouracile (5-FU)/acide folinique (AF) en perfusion /Irinotecan (FOLFIRI)/Cetuximab chez des patients chinois atteints d'un cancer colorectal métastatique mutant BRAF V600E.

L'encorafenib est actuellement développé (avec ou sans binimetinib), en association avec le cétuximab, pour le traitement des patients adultes atteints d'un cancer colorectal métastatique (mCRC) du proto-oncogène B-RAF, sérine/thréonine kinase mutante V600E (BRAF V600E). reçu un traitement systémique antérieur.

Aperçu de l'étude

Type d'étude

Interventionnel

Inscription (Réel)

107

Phase

  • Phase 2

Contacts et emplacements

Cette section fournit les coordonnées de ceux qui mènent l'étude et des informations sur le lieu où cette étude est menée.

Lieux d'étude

    • Beijing Municipality
      • Beijing, Beijing Municipality, Chine, 100730
        • Peking Union Medical College Hospital, Chinese Academy of Medical Sciences
      • Beijing, Beijing Municipality, Chine, 100036
        • Beijing Cancer Hospital
    • Fujian
      • Fuzhou, Fujian, Chine, 350014
        • Fujian Medical University - Fujian Provincial Cancer Hospital
      • Xiamen, Fujian, Chine, 361001
        • The First Affiliated Hospital of Xiamen University
    • Guangdong
      • Foshan, Guangdong, Chine, 528010
        • The First People's Hospital of Foshan
      • Guangzhou, Guangdong, Chine, 510095
        • Cancer Center of Guangzhou Medical University
      • Guangzhou, Guangdong, Chine, 510655
        • The Sixth Affiliated Hospital Sun Yat-sen University
      • Shantou, Guangdong, Chine, 515041
        • Cancer Hospital Affiliated to Shantou University Medical College
      • Shenzhen, Guangdong, Chine, 518036
        • Peking University Shenzhen Hospital
    • Hebei
      • Baoding, Hebei, Chine, 071000
        • The Affiliated Hospital of Hebei University
    • Heilongjiang
      • Harbin, Heilongjiang, Chine, 150040
        • Harbin Medical University Cancer Hospital
    • Henan
      • Zhengzhou, Henan, Chine, 450052
        • The First Affiliated Hospital of Zhengzhou University
      • Zhengzhou, Henan, Chine, 450008
        • Henan Cancer Hospital
    • Hubei
      • Wuhan, Hubei, Chine, 430071
        • Zhongnan Hospital of Wuhan University
      • Wuhan, Hubei, Chine, 430022
        • Union Hospital Tongji Medical College Huazhong University Of Science And Technology
      • Wuhan, Hubei, Chine, 430030
        • Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology
    • Hunan
      • Changsha, Hunan, Chine, 410008
        • Xiangya Hospital Central South University
    • Jiangsu
      • Changzhou, Jiangsu, Chine, 213003
        • The First People's Hospital of Changzhou
    • Jiangxi
      • Ganzhou, Jiangxi, Chine, 341001
        • First Affiliated Hospital of Gannan Medical University
      • Nanchang, Jiangxi, Chine, 330006
        • The First Affiliated Hospital of Nanchang University
      • Nanchang, Jiangxi, Chine, 330006
        • The Second Affiliated Hospital of Nanchang University
    • Jilin
      • Changchun, Jilin, Chine, 130021
        • The First Hospital of Jilin University
    • Liaoning
      • Jinzhou, Liaoning, Chine, 121011
        • The First Affiliated Hospital of Jinzhou Medical University
      • Shenyang, Liaoning, Chine, 110001
        • The First Hospital of China Medical University
      • Shenyang, Liaoning, Chine, 110042
        • Liaoning Cancer Hospital & Institute
    • Shaanxi
      • Xi'an, Shaanxi, Chine, 710068
        • Shaanxi Provincial People's Hospital
    • Shanghai Municipality
      • Shanghai, Shanghai Municipality, Chine, 200032
        • Zhongshan Hospital Fudan University
      • Shanghai, Shanghai Municipality, Chine, 200040
        • Huashan Hospital Fudan University
      • Shanghai, Shanghai Municipality, Chine, 200092
        • Xinhua Hospital Affilliated to Shanghai Jiaotong University School of Medicine
      • Shanghai, Shanghai Municipality, Chine, 200120
        • Shanghai East Hospital, Tongji University
    • Sichuan
      • Neijiang, Sichuan, Chine, 641000
        • The Second People's Hospital of Neijiang
    • Tianjin Municipality
      • Tianjin, Tianjin Municipality, Chine, 300060
        • Tianjin Medical University Cancer Institute and Hospital
    • Zhejiang
      • Hangzhou, Zhejiang, Chine, 310003
        • The First Affiliated Hospital - Zhejiang University School of Medicine
      • Hangzhou, Zhejiang, Chine, 310016
        • Sir Run Run Shaw Hospital - Zhejiang University School of Medicine

Critères de participation

Les chercheurs recherchent des personnes qui correspondent à une certaine description, appelée critères d'éligibilité. Certains exemples de ces critères sont l'état de santé général d'une personne ou des traitements antérieurs.

Critère d'éligibilité

Âges éligibles pour étudier

18 ans et plus (Adulte, Adulte plus âgé)

Accepte les volontaires sains

Non

La description

Critères d'inclusion pour le présélection moléculaire :

Les critères d'inclusion suivants doivent être remplis pour qu'un participant soit éligible au présélection moléculaire des tumeurs :

  • Participant chinois de sexe masculin ou féminin âgé de ≥ 18 ans au moment du consentement éclairé.
  • Cancer colorectal (CCR) confirmé histologiquement ou cytologiquement métastatique.
  • Éligible pour recevoir le cétuximab conformément à l'étiquette chinoise approuvée en ce qui concerne le statut de mutation tumorale Rat Sarcoma Viral Oncogene Homologue (RAS) (c.-à-d. approuvé pour le statut d'homologue de l'oncogène viral du sarcome du rat de type sauvage (RAS wt)).
  • Capable de fournir une quantité suffisante d'échantillons tumoraux représentatifs pour les tests de laboratoire prospectifs centraux du statut de mutation du proto-oncogène B-RAF, de la sérine / thréonine kinase (BRAF), ainsi que du statut rétrospectif RAS wt et des tests d'instabilité microsatellite (MSI).

Critères d'inclusion pour la période de traitement :

Les critères d'inclusion suivants doivent être remplis pour qu'un participant soit éligible à cette étude :

  • Participant chinois de sexe masculin ou féminin âgé de ≥ 18 ans au moment du consentement éclairé.
  • CCR confirmé histologiquement ou cytologiquement métastatique et non résécable au moment de l'entrée dans l'étude (c.-à-d. ne convient pas à une résection chirurgicale complète lors du dépistage).
  • Présence d'une mutation BRAF V600E dans le tissu tumoral préalablement déterminée par un test local à tout moment avant le dépistage ou par le laboratoire central.

REMARQUE : d'autres critères d'inclusion définis dans le protocole peuvent s'appliquer

Critères d'exclusion pour le présélection moléculaire :

Les participants répondant à l'un des critères suivants ne sont pas éligibles pour subir un dépistage moléculaire des tumeurs :

  • Traitement antérieur anti-récepteur du facteur de croissance épidermique (anti-EGFR)
  • Plus de deux régimes antérieurs dans le cadre métastatique.
  • Contre-indication connue pour recevoir le cétuximab ou l'irinotécan à la dose prévue selon l'étiquette locale la plus récente du cétuximab et de l'irinotécan.
  • Antécédents connus de syndrome de Gilbert ou présence connue de l'un des génotypes suivants : uridine 5'-diphospho-glucuronosyltransférase (UGT)1A1*6/*6, UGT1A1*28/*28 ou UGT1A1*6/*28.
  • Maladie leptoméningée.

Critères d'exclusion pour la période de traitement :

  • Traitement antérieur avec un inhibiteur de la proto-oncogène sérine/thréonine-protéine kinase (RAF), cetuximab, panitumumab ou d'autres inhibiteurs de l'EGFR.
  • Métastases cérébrales symptomatiques.
  • Maladie leptoméningée.
  • Utilisation de tout médicament / supplément à base de plantes ou de tout médicament ou aliment qui est un inhibiteur ou un inducteur modéré ou puissant du cytochrome P450 (CYP) 3A4 / 5 ≤ 1 semaine avant le début de l'intervention de l'étude.
  • Antécédents connus de pancréatite aiguë ou chronique dans les 6 mois précédant le début de l'intervention de l'étude.

REMARQUE : d'autres critères d'exclusion définis par le protocole peuvent s'appliquer

Plan d'étude

Cette section fournit des détails sur le plan d'étude, y compris la façon dont l'étude est conçue et ce que l'étude mesure.

Comment l'étude est-elle conçue ?

Détails de conception

  • Objectif principal: Traitement
  • Répartition: Randomisé
  • Modèle interventionnel: Affectation parallèle
  • Masquage: Aucun (étiquette ouverte)

Armes et Interventions

Groupe de participants / Bras
Intervention / Traitement
Expérimental: Encorafenib et cetuximab

Phase d'introduction de sécurité (SLI) :

Cycles de 28 jours d'encorafenib une fois par jour (QD) 300 mg (4 gélules orales de 75 mg) et cetuximab 400 mg/m² dose initiale (perfusion de 120 minutes), puis 250 mg/m² (perfusion de 60 minutes) ensuite une fois par semaine

Phase randomisée (Phase II) :

Cycles de 28 jours d'encorafenib une fois par jour (QD) 300 mg (4 gélules orales de 75 mg) et cetuximab 400 mg/m² dose initiale (perfusion de 120 minutes), puis 250 mg/m² (perfusion de 60 minutes) ensuite une fois par semaine

gélule orale
Autres noms:
  • LGX818
  • Braftovi®
  • PF-07263896
  • W0090
  • ONO-7702
perfusion intraveineuse
Autres noms:
  • C225
  • Erbitux®
Expérimental: Irinotecan et cetuximab ou FOLFIRI et cetuximab

Phase randomisée (Phase II) : soit irinotécan et cetuximab, soit FOLFIRI et cetuximab en cycles de 28 jours.

Irinotecan et cetuximab :

  • irinotécan 180 mg/m² (perfusion intraveineuse de 90 minutes ou selon les normes du site d'étude) toutes les 2 semaines et
  • cétuximab 400 mg/m² dose initiale (perfusion intraveineuse de 120 minutes), puis 250 mg/m² (perfusion de 60 minutes) ensuite une fois par semaine

OU ALORS

FOLFIRI et cetuximab :

  • irinotécan 180 mg/m² (perfusion intraveineuse de 90 minutes ou selon les normes du site d'étude) toutes les 2 semaines
  • Acide folinique 400 mg/m² (perfusion de 120 minutes ou selon les normes du site d'étude) ou dose maximale tolérée dans un schéma antérieur toutes les 2 semaines
  • 5-FU 400 mg/m² dose initiale bolus (ne pas dépasser 15 minutes), puis 1200 mg/m²/jour × 2 jours (total 2400 mg/m² sur 46 à 48 heures) en perfusion continue ou dose maximale tolérée dans un schéma antérieur toutes les 2 semaines et
  • cétuximab 400 mg/m² dose initiale (perfusion intraveineuse de 120 minutes), puis 250 mg/m² (perfusion de 60 minutes) ensuite une fois par semaine
gélule orale
Autres noms:
  • LGX818
  • Braftovi®
  • PF-07263896
  • W0090
  • ONO-7702
perfusion intraveineuse
Autres noms:
  • C225
  • Erbitux®

Combinaison de:

irinotécan (également connu sous le nom de : camptosar, camptothécine-11 et CPT-11) perfusion intraveineuse, acide folinique (également connu sous le nom : acide 5-formyltétrahydrofolique et leucovorine) perfusion intraveineuse et bolus intraveineux de 5-FU (également connu sous le nom de fluorouracile) /perfusion intraveineuse

Autres noms:
  • Acide folinique + Fluorouracile + Irinotécan

Que mesure l'étude ?

Principaux critères de jugement

Mesure des résultats
Description de la mesure
Délai
Safety Lead-in Phase (SLI): Incidence of Dose Limiting Toxicities (DLTs)
Délai: Cycle 1 (up to 28 days)
DLT rate was estimated based on data from DLT-evaluable participants during the DLT-evaluation period (which is the first 28 days after the first dose of study intervention in the SLI) to assess the safety and tolerability of the doublet arm.
Cycle 1 (up to 28 days)
Randomized Phase 2: Progression-free Survival (PFS) by Blinded (to Treatment Received) Independent Central Review (BICR) at the Primary Completion Date
Délai: From first dose to the earliest documented progression or death due to any cause, with a minimal participant's follow-up of 36 weeks and a maximum treatment exposure of 68 weeks
PFS was defined as the time from the date of randomization to the earliest documented disease progression (PD) as determined by BICR assessment per Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1, or death due to any cause.
From first dose to the earliest documented progression or death due to any cause, with a minimal participant's follow-up of 36 weeks and a maximum treatment exposure of 68 weeks
Randomized Phase 2: Progression-free Survival (PFS) by Blinded (to Treatment Received) Independent Central Review (BICR) at the Final Analysis
Délai: From first dose to the earliest documented PD or death due to any cause, with a minimal participant's follow-up of 19 months and a maximum treatment exposure of 116 weeks
PFS was defined as the time from the date of randomization to the earliest documented disease progression as determined by BICR assessment per Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1, or death due to any cause.
From first dose to the earliest documented PD or death due to any cause, with a minimal participant's follow-up of 19 months and a maximum treatment exposure of 116 weeks

Mesures de résultats secondaires

Mesure des résultats
Description de la mesure
Délai
Safety Lead-in Phase: Confirmed Objective Response Rate (cORR) Per BICR
Délai: Every 6 weeks (± 7 days) from first dose for the first 24 week, then every 12 weeks (± 7 days) until 30 days safety follow-up, with a maximum treatment exposure of 111 weeks
cORR as determined by Blinded (to treatment received) Independent Central Review (BICR) per Response Evaluation Criteria in Solid Tumors (RECIST) Version 1.1, was defined as the proportion of participants with a best overall response of either complete response (CR) or partial response (PR), where CR: disappearance of all target and and non-target lesions; any pathological lymph nodes (whether target or non-target) must have reduction in short axis to <10 mm, and PR: at least a 30% decrease in the sum of diameters of target lesions, taking as reference the baseline sum diameters.
Every 6 weeks (± 7 days) from first dose for the first 24 week, then every 12 weeks (± 7 days) until 30 days safety follow-up, with a maximum treatment exposure of 111 weeks
Safety Lead-in Phase: Confirmed Objective Response Rate (cORR) Per Investigator
Délai: Every 6 weeks (± 7 days) from first dose for the first 24 week, then every 12 weeks (± 7 days) until 30 days safety follow-up, with a maximum treatment exposure of 111 weeks
cORR as determined by investigator assessment per RECIST version 1.1, was defined as the proportion of participants with a best overall response of either complete response (CR) or partial response (PR), where CR: disappearance of all target and and non-target lesions; any pathological lymph nodes (whether target or non-target) must have reduction in short axis to <10 mm, and PR: at least a 30% decrease in the sum of diameters of target lesions, taking as reference the baseline sum diameters.
Every 6 weeks (± 7 days) from first dose for the first 24 week, then every 12 weeks (± 7 days) until 30 days safety follow-up, with a maximum treatment exposure of 111 weeks
Safety Lead-in Phase: Duration of Response (DOR) Per BICR
Délai: From time of response to the earliest documented PD or death due to underlying disease, with a maximum treatment exposure of 111 weeks
DOR was defined for confirmed responders (CR or PR) only, as the time from the date of the first documented response to the earliest date of disease progression (PD) as determined by BICR per RECIST Version 1.1, or death due to any cause. PD: at least a 20% increase (including an absolute increase of at least 5 mm) in the sum of diameters of target lesions, taking as reference the smallest sum on study and/or unequivocal progression of existing non-target lesions and/or appearance of 1 or more new lesions were evaluated.
From time of response to the earliest documented PD or death due to underlying disease, with a maximum treatment exposure of 111 weeks
Safety Lead-in Phase: Duration of Response (DOR) Per Investigator
Délai: From time of response to the earliest documented PD or death due to underlying disease, with a maximum treatment exposure of 111 weeks
DOR was defined for confirmed responders (CR or PR) only, as the time from the date of the first documented response to the earliest date of disease progression (PD) as determined by investigator assessment per RECIST Version 1.1, or death due to any cause. PD: at least a 20% increase (including an absolute increase of at least 5 mm) in the sum of diameters of target lesions, taking as reference the smallest sum on study and/or unequivocal progression of existing non-target lesions and/or appearance of 1 or more new lesions were evaluated.
From time of response to the earliest documented PD or death due to underlying disease, with a maximum treatment exposure of 111 weeks
Safety Lead-in Phase: Overall Duration of Exposure to Study Treatment
Délai: Day 1 until 30 days after study intervention discontinuation, with a maximum treatment exposure of 111 weeks
Exposure to the study intervention was defined as the time interval between the actual date of first study intervention administration (included) and the actual date of last study intervention administration (included), i.e., as the quantity "date of last study intervention administration date of first study intervention administration + 1 day". Duration of exposure by treatment arm was computed as the maximum of all durations of exposure for each drug of the assigned regimen.
Day 1 until 30 days after study intervention discontinuation, with a maximum treatment exposure of 111 weeks
Safety Lead-in Phase: Number of Participants With Treatment-emergent Adverse Events (TEAEs)
Délai: Day 1 until 30 days after study intervention discontinuation, with a maximum treatment exposure of 111 weeks
A TEAE is any untoward medical occurrence in a participant temporally associated with the use of study drug, whether or not considered related to the study drug. Number of participants reporting TEAEs were reported in this outcome measure.
Day 1 until 30 days after study intervention discontinuation, with a maximum treatment exposure of 111 weeks
Safety Lead-in Phase: Number of Participants With Serious TEAEs
Délai: Day 1 until 30 days after study intervention discontinuation, with a maximum treatment exposure of 111 weeks
A serious TEAE is a TEAE that results in significant health consequences, such as death, hospitalization, or permanent disability. Number of participants reporting serious TEAEs were reported in this outcome measure.
Day 1 until 30 days after study intervention discontinuation, with a maximum treatment exposure of 111 weeks
Safety Lead-in Phase: Incidence of Dose Interruptions, Dose Modifications and Discontinuations Due to Adverse Events (AEs)
Délai: Day 1 until 30 days after study intervention discontinuation, with a maximum treatment exposure of 68 weeks
An AE is any untoward medical occurrence in a participant, whether or not considered related to the study intervention. Number of participants with dose interruptions, dose modifications and dose discontinuations due to AEs were reported in this outcome measure.
Day 1 until 30 days after study intervention discontinuation, with a maximum treatment exposure of 68 weeks
Safety Lead-in Phase: Number of Participants With Clinically Notable Vital Sign Abnormalities
Délai: Day 1 until 30 days after last dose of study treatment, with a maximum treatment exposure of 111 weeks
Clinically notable changes were defined as participants meeting the elevated or low values criterion compared to baseline. The criterion for clinically notable elevated values included: systolic blood pressure (BP): ≥ 160 millimeters of mercury (mmHg) and an increase ≥ 20 mmHg from baseline; diastolic BP: ≥ 100 mmHg and an increase ≥ 15 mmHg from baseline; heart rate : ≥ 120 beats/min (bpm) with increase from baseline of ≥ 15 bpm; weight (kg) increase from baseline of ≥ 10 percent; body temperature [degree Celsius (deg C)] ≥ 37.5 deg C. The criterion for clinically notable low values included: systolic BP: ≤ 90 mmHg with decrease from baseline of ≥ 20 mmHg; diastolic BP: ≤ 50 mmHg with decrease from baseline of ≥ 15 mmHg; heart rate: ≤ 50 bpm with decrease from baseline of ≥ 15 bpm; weight: ≥ 20 percent decrease from baseline; body temperature [deg C]: ≤ 36 °C.
Day 1 until 30 days after last dose of study treatment, with a maximum treatment exposure of 111 weeks
Safety Lead-in Phase: Number of Participants With Clinically Notable Electrocardiogram (ECG) Values
Délai: Day 1 until 30 days after last dose of study treatment, with a maximum treatment exposure of 111 weeks
Clinically notable ECG changes were defined as participants meeting the criterion for QT interval, QT interval corrected for heart rate using Fridericia's formula (QTcF), and heart rate compared to baseline. The criterion for QT interval and QTcF included: increase from baseline > 30 msec (ms); increase from baseline > 60 ms, new > 450 ms, new > 480 ms, new > 500 ms. The criterion for heart rate included: increase from baseline > 25 percent to a value > 100 beats per minute (bpm), decrease from baseline > 25 percent and to a value < 50 bpm.
Day 1 until 30 days after last dose of study treatment, with a maximum treatment exposure of 111 weeks
Safety Lead-in Phase: Number of Participants With Clinically Notable Shifts in Hematology and Coagulation Laboratory Parameters
Délai: Day 1 until 30 days after last dose of study treatment, with a maximum treatment exposure of 111 weeks
Clinically notable shift was defined as a worsening from baseline by at least 2 Grades, or to Grade 3 or above based on National Cancer Institute Common Terminology Criteria for Adverse Events (NCI-CTCAE) version 4.03. 'Low' laboratory parameter thresholds are defined as values falling below the institutional Lower Limit of Normal (LLN) that meet the criteria for a Grade 1 or a higher decrease. 'High' laboratory parameter thresholds are defined as values exceeding the institutional Upper Limit of Normal (ULN) that meet the criteria for a Grade 1 or higher increase. Where, Grade 1: mild, asymptomatic or mild symptoms, clinical or diagnostic observations only, intervention not indicated; Grade 2: moderate, minimal, local or noninvasive intervention indicated; Grade 3: severe or medically significant but not immediately life-threatening, hospitalization or prolongation of hospitalization indicated; Grade 4: life-threatening consequences, urgent intervention indicated; Grade 5: death.
Day 1 until 30 days after last dose of study treatment, with a maximum treatment exposure of 111 weeks
Safety Lead-in Phase: Number of Participants With Clinically Notable Shifts in Serum Chemistry Laboratory Parameters
Délai: Day 1 until 30 days after last dose of study treatment, with a maximum treatment exposure of 111 weeks
Clinically notable shift was defined as a worsening from baseline by at least 2 Grades, or to Grade 3 or above based on NCI-CTCAE version 4.03. 'Low' laboratory parameter thresholds are defined as values falling below the institutional Lower Limit of Normal (LLN) that meet the criteria for a Grade 1 or a higher decrease. 'High' laboratory parameter thresholds are defined as values exceeding the institutional Upper Limit of Normal (ULN) that meet the criteria for a Grade 1 or higher increase. Where, Grade 1: mild, asymptomatic or mild symptoms, clinical or diagnostic observations only, intervention not indicated; Grade 2: moderate, minimal, local or noninvasive intervention indicated; Grade 3: severe or medically significant but not immediately life-threatening, hospitalization or prolongation of hospitalization indicated; Grade 4: life-threatening consequences, urgent intervention indicated; Grade 5: death.
Day 1 until 30 days after last dose of study treatment, with a maximum treatment exposure of 111 weeks
Safety Lead-in Phase: Number of Participants With Notable Dermatological Abnormalities
Délai: From screening and every 8 weeks from Cycle 1 Day 1 (i.e. on Day 1 of Cycles 1, 3, 5, 7…), the end of treatment visit and the 30-day safety follow up visit, with a maximum treatment exposure of 111 weeks
Dermatological examination was performed to monitor for the possible development of keratoacanthoma and/or squamous cell carcinoma and primary melanoma, as these have been reported to occur with selective B-Raf proto-oncogene, serine/threonine kinase (BRAF) inhibitor treatment. [1] The category "Other" includes all other dermatological findings identified during examination (e.g. rash acneiform, skin hyperpigmentation...).
From screening and every 8 weeks from Cycle 1 Day 1 (i.e. on Day 1 of Cycles 1, 3, 5, 7…), the end of treatment visit and the 30-day safety follow up visit, with a maximum treatment exposure of 111 weeks
Safety Lead-in Phase: Measurement of Performance Status Using the Eastern Co-operative Oncology Group (ECOG) Scale
Délai: Day 1 until 30 days after last dose of study treatment, with a maximum treatment exposure of 68 weeks
The performance status of participants was assessed using the Eastern Co-operative Oncology Group (ECOG) scale. The scale was defined with the range from 0 to 5 with lower score mean a lower functional impairment, and a higher score (e.g. 5) corresponding to death.
Day 1 until 30 days after last dose of study treatment, with a maximum treatment exposure of 68 weeks
Safety Lead-in Phase: Evaluation of the Plasma Concentrations of Encorafenib
Délai: First day of treatment (Cycle 1 Day I) and at steady state after 1 month treatment (Cycle 2 Day 1). Each cycle of 28 days.
Blood samples were collected at indicated time points for pharmacokinetic (PK) analysis of encorafenib.
First day of treatment (Cycle 1 Day I) and at steady state after 1 month treatment (Cycle 2 Day 1). Each cycle of 28 days.
Safety Lead-in Phase: Evaluation of the Serum Concentrations of Cetuximab
Délai: First day of treatment (Cycle 1 Day 1) and at steady state after 1 month treatment (Cycle 2 Day 1). Each cycle of 28 days.
Blood samples were collected at indicated time points for pharmacokinetic (PK) analysis of cetuximab.
First day of treatment (Cycle 1 Day 1) and at steady state after 1 month treatment (Cycle 2 Day 1). Each cycle of 28 days.
Safety Lead-in Phase: Evaluation of the Area Under the Curve (AUC) Derived From Plasma Concentration of Encorafenib
Délai: First day of treatment (Cycle 1 Day 1) and at steady state after 1 month treatment (Cycle 2 Day 1). Each cycle of 28 days.
Blood samples were collected at indicated time points for pharmacokinetic (PK) analysis of encorafenib.
First day of treatment (Cycle 1 Day 1) and at steady state after 1 month treatment (Cycle 2 Day 1). Each cycle of 28 days.
Safety Lead-in Phase: Evaluation of the Area Under the Curve (AUC) Derived From Serum Concentration of Cetuximab
Délai: First day of treatment (Cycle 1 Day 1) and at steady state after 1 month treatment (Cycle 2 Day 1). Each cycle of 28 days.
Blood samples were collected at indicated time points for pharmacokinetic (PK) analysis of cetuximab.
First day of treatment (Cycle 1 Day 1) and at steady state after 1 month treatment (Cycle 2 Day 1). Each cycle of 28 days.
Safety Lead-in Phase: Evaluation of the Maximum Concentration (Cmax) Derived From Plasma Concentration of Encorafenib
Délai: First day of treatment (Cycle 1 Day 1) and at steady state after 1 month treatment (Cycle 2 Day 1). Each cycle of 28 days.
Blood samples were collected at indicated time points for pharmacokinetic (PK) analysis of encorafenib.
First day of treatment (Cycle 1 Day 1) and at steady state after 1 month treatment (Cycle 2 Day 1). Each cycle of 28 days.
Safety Lead-in Phase: Evaluation of the Maximum Concentration (Cmax) Derived From Serum Concentration of Cetuximab
Délai: First day of treatment (Cycle 1 Day 1) and at steady state after 1 month treatment (Cycle 2 Day 1). Each cycle of 28 days.
Blood samples were collected at indicated time points for pharmacokinetic (PK) analysis of cetuximab.
First day of treatment (Cycle 1 Day 1) and at steady state after 1 month treatment (Cycle 2 Day 1). Each cycle of 28 days.
Safety Lead-in Phase: Evaluation of the Minimum Concentration (Cmin) Derived From Plasma Concentration of Encorafenib
Délai: First day of treatment (Cycle 1 Day 1) and at steady state after 1 month treatment (Cycle 2 Day 1). Each cycle of 28 days.
Blood samples were collected at indicated time points for pharmacokinetic (PK) analysis of encorafenib.
First day of treatment (Cycle 1 Day 1) and at steady state after 1 month treatment (Cycle 2 Day 1). Each cycle of 28 days.
Safety Lead-in Phase: Evaluation of the Minimum Concentration (Cmin) Derived From Serum Concentration of Cetuximab
Délai: First day of treatment (Cycle 1 Day 1) and at steady state after 1 month treatment (Cycle 2 Day 1). Each cycle of 28 days.
Blood samples were collected at indicated time points for pharmacokinetic (PK) analysis of cetuximab.
First day of treatment (Cycle 1 Day 1) and at steady state after 1 month treatment (Cycle 2 Day 1). Each cycle of 28 days.
Randomized Phase 2: Progression-free Survival (PFS) by Investigator
Délai: From first dose to the earliest documented PD or death due to any cause, with a minimal participant's follow-up of 19 months and a maximum treatment exposure of 116 weeks
PFS was defined as the time from the date of randomization to the earliest documented date of PD as determined by investigator assessment per RECIST Version 1.1, or death due to any cause. PD: at least a 20% increase (including an absolute increase of at least 5 mm) in the sum of diameters of target lesions, taking as reference the smallest sum on study and/or unequivocal progression of existing non-target lesions and/or appearance of 1 or more new lesions were evaluated.
From first dose to the earliest documented PD or death due to any cause, with a minimal participant's follow-up of 19 months and a maximum treatment exposure of 116 weeks
Randomized Phase 2: Confirmed Objective Response Rate (cORR) in ENCO + CETUX Arm vs Control Arm Per BICR
Délai: Every 6 weeks (± 7 days) from first dose for the first 24 week, then every 12 weeks (± 7 days) until 30 days safety follow-up, with a maximum treatment exposure of 116 weeks
cORR as determined by Blinded (to treatment received) Independent Central Review (BICR) per Response Evaluation Criteria in Solid Tumors (RECIST) Version 1.1, was defined as the proportion of participants with a best overall response of either complete response (CR) or partial response (PR), where CR: disappearance of all target and and non-target lesions; any pathological lymph nodes (whether target or non-target) must have reduction in short axis to <10 mm, and PR: at least a 30% decrease in the sum of diameters of target lesions, taking as reference the baseline sum diameters.
Every 6 weeks (± 7 days) from first dose for the first 24 week, then every 12 weeks (± 7 days) until 30 days safety follow-up, with a maximum treatment exposure of 116 weeks
Randomized Phase 2: Confirmed Objective Response Rate (cORR) in ENCO + CETUX Arm vs Control Arm Per Investigator
Délai: Every 6 weeks (± 7 days) from first dose for the first 24 week, then every 12 weeks (± 7 days) until 30 days safety follow-up, with a maximum treatment exposure of 116 weeks
cORR as determined by investigator assessment per RECIST Version 1.1, was defined as the proportion of participants with a best overall response of either complete response (CR) or partial response (PR), where CR: disappearance of all target and and non-target lesions; any pathological lymph nodes (whether target or non-target) must have reduction in short axis to <10 mm, and PR: at least a 30% decrease in the sum of diameters of target lesions, taking as reference the baseline sum diameters.
Every 6 weeks (± 7 days) from first dose for the first 24 week, then every 12 weeks (± 7 days) until 30 days safety follow-up, with a maximum treatment exposure of 116 weeks
Randomized Phase 2: Duration of Response (DOR) in ENCO + CETUX Arm vs Control Arm Per BICR
Délai: From time of response to the earliest documented PD or death due to underlying disease, with a minimal participant's follow-up of 19 months and a maximum treatment exposure of 116 weeks
DOR was defined for confirmed responders (CR or PR) only, as the time from the date of the first documented response to the earliest date of disease progression (PD) as determined by BICR per RECIST Version 1.1, or death due to any cause. PD: at least a 20% increase (including an absolute increase of at least 5 mm) in the sum of diameters of target lesions, taking as reference the smallest sum on study and/or unequivocal progression of existing non-target lesions and/or appearance of 1 or more new lesions were evaluated.
From time of response to the earliest documented PD or death due to underlying disease, with a minimal participant's follow-up of 19 months and a maximum treatment exposure of 116 weeks
Randomized Phase 2: Duration of Response (DOR) in ENCO + CETUX Arm vs Control Arm Per Investigator
Délai: From time of response to the earliest documented PD or death due to underlying disease, with a minimal participant's follow-up of 19 months and a maximum treatment exposure of 116 weeks
DOR was defined for confirmed responders (CR or PR) only, as the time from the date of the first documented response to the earliest date of disease progression (PD) as determined by investigator assessment per RECIST Version 1.1, or death due to any cause. PD: at least a 20% increase (including an absolute increase of at least 5 mm) in the sum of diameters of target lesions, taking as reference the smallest sum on study and/or unequivocal progression of existing non-target lesions and/or appearance of 1 or more new lesions were evaluated.
From time of response to the earliest documented PD or death due to underlying disease, with a minimal participant's follow-up of 19 months and a maximum treatment exposure of 116 weeks
Randomized Phase 2: Confirmed Disease Control Rate (cDCR) in ENCO + CETUX Arm vs Control Arm Per BICR
Délai: Every 6 weeks (± 7 days) from first dose for the first 24 week, then every 12 weeks (± 7 days) until 30 days safety follow-up, with a maximum treatment exposure of 116 weeks
cDCR was defined as the proportion of participants with a confirmed Best Overall Response (BOR) of CR, PR or Stable Disease (SD), as determined by BICR per RECIST Version 1.1. CR: disappearance of all target and and non-target lesions; any pathological lymph nodes (whether target or non-target) must have reduction in short axis to <10 mm, PR: at least a 30% decrease in the sum of diameters of target lesions, taking as reference the baseline sum diameters, and SD: neither sufficient shrinkage to qualify for PR nor sufficient increase to qualify for PD, taking as reference the smallest sum diameters while on study.
Every 6 weeks (± 7 days) from first dose for the first 24 week, then every 12 weeks (± 7 days) until 30 days safety follow-up, with a maximum treatment exposure of 116 weeks
Randomized Phase 2: Confirmed Disease Control Rate (cDCR) in ENCO + CETUX Arm vs Control Arm Per Investigator
Délai: Every 6 weeks (± 7 days) from first dose for the first 24 week, then every 12 weeks (± 7 days) until 30 days safety follow-up, with a maximum treatment exposure of 116 weeks
cDCR was defined as the proportion of participants with a confirmed Best Overall Response (BOR) of CR, PR or Stable Disease (SD), as determined by investigator assesment per RECIST Version 1.1. CR: disappearance of all target and and non-target lesions; any pathological lymph nodes (whether target or non-target) must have reduction in short axis to <10 mm, PR: at least a 30% decrease in the sum of diameters of target lesions, taking as reference the baseline sum diameters, and SD: neither sufficient shrinkage to qualify for PR nor sufficient increase to qualify for PD, taking as reference the smallest sum diameters while on study.
Every 6 weeks (± 7 days) from first dose for the first 24 week, then every 12 weeks (± 7 days) until 30 days safety follow-up, with a maximum treatment exposure of 116 weeks
Randomized Phase 2: Time to Response (TTR) in ENCO + CETUX Arm vs Control Arm Per BICR
Délai: From day 1 until first documented response, with a maximum treatment exposure of 116 weeks
TTR for confirmed responses was defined for responders (CR or PR) as the time between the date of randomization until the first documented response of CR or PR as determined by BICR per RECIST Version 1.1. CR: disappearance of all target and and non-target lesions; any pathological lymph nodes (whether target or non-target) must have reduction in short axis to <10 mm, and PR: at least a 30% decrease in the sum of diameters of target lesions, taking as reference the baseline sum diameters.
From day 1 until first documented response, with a maximum treatment exposure of 116 weeks
Randomized Phase 2: Time to Response (TTR) in ENCO + CETUX Arm vs Control Arm Per Investigator
Délai: From day 1 until first documented response, with a maximum treatment exposure of 116 weeks
TTR for confirmed responses was defined for responders (CR or PR) as the time between the date of randomization until the first documented response of CR or PR as determined by investigator assessment per RECIST Version 1.1. CR: disappearance of all target and and non-target lesions; any pathological lymph nodes (whether target or non-target) must have reduction in short axis to <10 mm, and PR: at least a 30% decrease in the sum of diameters of target lesions, taking as reference the baseline sum diameters.
From day 1 until first documented response, with a maximum treatment exposure of 116 weeks
Randomized Phase 2: Overall Survival (OS)
Délai: From randomization to death due to any cause, with a maximum treatment exposure of 116 weeks
OS was defined as time from randomization until date of death due to any cause.
From randomization to death due to any cause, with a maximum treatment exposure of 116 weeks
Randomized Phase 2: Overall Duration of Exposure to Study Treatment
Délai: Day 1 until 30 days after study intervention discontinuation, with a maximum treatment exposure of 116 weeks
Exposure to the study intervention was defined as the time interval between the actual date of first study intervention administration (included) and the actual date of last study intervention administration (included), i.e., as the quantity "date of last study intervention administration date of first study intervention administration + 1 day". Duration of exposure by treatment arm was computed as the maximum of all durations of exposure for each drug of the assigned regimen.
Day 1 until 30 days after study intervention discontinuation, with a maximum treatment exposure of 116 weeks
Randomized Phase 2: Number of Participants With Treatment-emergent Adverse Events (TEAEs)
Délai: Day 1 until 30 days after study intervention discontinuation
A TEAE is any untoward medical occurrence in a participant temporally associated with the use of study drug, whether or not considered related to the study drug. Number of participants reporting TEAEs were reported in this outcome measure.
Day 1 until 30 days after study intervention discontinuation
Randomized Phase 2: Number of Participants With Serious TEAEs
Délai: Day 1 until 30 days after study intervention discontinuation
A serious TEAE is a TEAE that results in significant health consequences, such as death, hospitalization, or permanent disability. Number of participants reporting serious TEAEs were reported in this outcome measure.
Day 1 until 30 days after study intervention discontinuation
Randomized Phase 2: Number of Participants With Clinically Notable Vital Sign Abnormalities
Délai: Day 1 until 30 days after last dose of study treatment
Clinically notable changes were defined as participants meeting the elevated or low values criterion compared to baseline. The criterion for clinically notable elevated values included: systolic blood pressure (BP): ≥ 160 millimeters of mercury (mmHg) and an increase ≥ 20 mmHg from baseline; diastolic BP: ≥ 100 mmHg and an increase ≥ 15 mmHg from baseline; heart rate : ≥ 120 beats/min (bpm) with increase from baseline of ≥ 15 bpm; weight (kg) increase from baseline of ≥ 10 percent; body temperature [degree Celsius (deg C)] ≥ 37.5 deg C. The criterion for clinically notable low values included: systolic BP: ≤ 90 mmHg with decrease from baseline of ≥ 20 mmHg; diastolic BP: ≤ 50 mmHg with decrease from baseline of ≥ 15 mmHg; heart rate: ≤ 50 bpm with decrease from baseline of ≥ 15 bpm; weight: ≥ 20 percent decrease from baseline; body temperature [deg C]: ≤ 36 °C.
Day 1 until 30 days after last dose of study treatment
Randomized Phase 2: Number of Participants With Clinically Notable Electrocardiogram (ECG) Values
Délai: Day 1 until 30 days after last dose of study treatment
Clinically notable ECG changes were defined as participants meeting the criterion for QT interval, QT interval corrected for heart rate using Fridericia's formula (QTcF), and heart rate compared to baseline. The criterion for QT interval and QTcF included: increase from baseline > 30 msec (ms); increase from baseline > 60 ms, new > 450 ms, new > 480 ms, new > 500 ms. The criterion for heart rate included: increase from baseline > 25 percent to a value > 100 beats per minute (bpm), decrease from baseline > 25 percent and to a value < 50 bpm.
Day 1 until 30 days after last dose of study treatment
Randomized Phase 2: Number of Participants With Clinically Notable Shifts in Hematology and Coagulation Laboratory Parameters
Délai: Day 1 until 30 days after last dose of study treatment
Clinically notable shift was defined as a worsening from baseline by at least 2 grades, or to grade 3 or above based on NCI-CTCAE version 4.03. 'Low' laboratory parameter thresholds are defined as values falling below the institutional Lower Limit of Normal (LLN) that meet the criteria for a Grade 1 or a higher decrease. 'High' laboratory parameter thresholds are defined as values exceeding the institutional Upper Limit of Normal (ULN) that meet the criteria for a Grade 1 or higher increase. Where, Grade 1: mild, asymptomatic or mild symptoms, clinical or diagnostic observations only, intervention not indicated; Grade 2: moderate, minimal, local or noninvasive intervention indicated; Grade 3: severe or medically significant but not immediately life-threatening, hospitalization or prolongation of hospitalization indicated; Grade 4: life-threatening consequences, urgent intervention indicated; Grade 5: death.
Day 1 until 30 days after last dose of study treatment
Randomized Phase 2: Number of Participants With Clinically Notable Shifts in Serum Chemistry Laboratory Parameters
Délai: Day 1 until 30 days after last dose of study treatment
Clinically notable shift was defined as a worsening from baseline by at least 2 grades, or to grade 3 or above based on NCI-CTCAE version 4.03. 'Low' laboratory parameter thresholds are defined as values falling below the institutional Lower Limit of Normal (LLN) that meet the criteria for a Grade 1 or a higher decrease. 'High' laboratory parameter thresholds are defined as values exceeding the institutional Upper Limit of Normal (ULN) that meet the criteria for a Grade 1 or higher increase. Where, Grade 1: mild, asymptomatic or mild symptoms, clinical or diagnostic observations only, intervention not indicated; Grade 2: moderate, minimal, local or noninvasive intervention indicated; Grade 3: severe or medically significant but not immediately life-threatening, hospitalization or prolongation of hospitalization indicated; Grade 4: life-threatening consequences, urgent intervention indicated; Grade 5: death.
Day 1 until 30 days after last dose of study treatment
Randomized Phase 2: Number of Participants With Notable Dermatological Abnormalities
Délai: From screening and every 8 weeks from Cycle 1 Day 1 (i.e. on Day 1 of Cycles 1, 3, 5, 7…), the end of treatment visit and the 30-day safety follow up visit, with a maximum treatment exposure of 116 weeks
Dermatological examination was performed to monitor for the possible development of keratoacanthoma and/or squamous cell carcinoma and primary melanoma, as these have been reported to occur with selective B-Raf proto-oncogene, serine/threonine kinase (BRAF) inhibitor treatment. [1] All other dermatological findings identified during examination (e.g. rash acneiform, skin hyperpigmentation...).
From screening and every 8 weeks from Cycle 1 Day 1 (i.e. on Day 1 of Cycles 1, 3, 5, 7…), the end of treatment visit and the 30-day safety follow up visit, with a maximum treatment exposure of 116 weeks
Randomized Phase 2: Measurement of Performance Status Using the Eastern Co-operative Oncology Group (ECOG) Scale
Délai: Day 1 until 30 days after last dose of study treatment, with a maximum treatment exposure of 116 weeks
The performance status of participants was assessed using the Eastern Co-operative Oncology Group (ECOG) scale. The scale was defined with the range from 0 to 5 with lower score mean a lower functional impairment, and a higher score (e.g. 5) corresponding to death. [1] Participants with no assessment of ECOG in the time frame.
Day 1 until 30 days after last dose of study treatment, with a maximum treatment exposure of 116 weeks
Randomized Phase 2: Time to Definitive Deterioration in the European Organization for Research and Treatment of Cancer Quality of Life Questionnaire for Cancer Patients (EORTC QLQ-C30) Questionnaire Scores
Délai: Day 1 until 30 days safety follow-up, with a maximum treatment exposure of 116 weeks
The European Organization for Research and Treatment of Cancer Quality of Life Questionnaire for Cancer Patients (EORTC QLQ-C30) questionnaire consisted of nine multi-item scales: five functional scales (physical, role, cognitive, emotional and social); three symptom scales (fatigue, pain, nausea and vomiting); and a global health and Quality of Life (QoL) scale. Each scale in the questionnaire was scored (0 to 100). High scores represented a high health/quality of life. Time to definitive deterioration (at least 10% worsening relative to Baseline with no later improvement) was assessed for both randomized phase treatment arms.
Day 1 until 30 days safety follow-up, with a maximum treatment exposure of 116 weeks
Randomized Phase 2: Time to Definitive Deterioration in the European Quality of Life-5 Dimensions-5 Levels (EQ-5D-5L) Questionnaire
Délai: Day 1 until 30 days safety follow-up, with a maximum treatment exposure of 116 weeks
The European Quality of Life-5 Dimensions-5 Levels (EQ-5D-5L) consisted of the EQ-5D descriptive system and the EQ visual analogue scale (VAS). The descriptive system consisted of five dimension (mobility, self-care, usual activities, pain/discomfort and anxiety/depression), each was rated according to a five-point verbal rating scale (VRS): 1. no problems, 2. slight problems, 3. moderate problems, 4. severe problems and 5. extreme problems) and translated into a five-digit number that described the participant's health state. Time to definitive deterioration (at least 10% worsening relative to Baseline with no later improvement) was assessed for both randomized phase treatment arms.
Day 1 until 30 days safety follow-up, with a maximum treatment exposure of 116 weeks
Randomized Phase 2: Time to Definitive Deterioration in the Functional Assessment of Cancer Therapy-Colon Cancer (FACT-C) Questionnaire
Délai: Day 1 until 30 days safety follow-up, with a maximum treatment exposure of 116 weeks
The Functional Assessment of Cancer Therapy-Colon Cancer (FACT-C) was a validated quality of life questionnaire for patient reported outcome assessment. The Functional Assessment of Cancer Therapy-Colon Cancer (FACT-C) consisted of 36 items, presented on a five-point Likert scale, in four domains of well-being (physical, emotional, social and functional) and the Colorectal Cancer Subscale. Higher score reflects a better quality of life. Time to definitive deterioration (at least 10% worsening relative to Baseline with no later improvement) was assessed for both randomized phase treatment arms.
Day 1 until 30 days safety follow-up, with a maximum treatment exposure of 116 weeks
Randomized Phase 2: Evolution in the Patient Global Impression of Change (PGIC) Questionnaire
Délai: Cycle 2 Day 1 until 30 days safety follow-up
The Patient Global Impression of Change (PGIC) questionnaire is a scale often used to anchor and characterize participant reported outcome (PRO) findings. This consisted of questions that asked participants to evaluate their colorectal cancer symptoms since starting study intervention according to a seven-point verbal rating scale: 1. very much improved, 2. much improved, 3. minimally improved, 4. no change, 5. minimally worse, 6. much worse, 7. very much worse. Completions of questionnaire are summarized per treatment group and study visits. Number of participants analyzed correspond to the actual number of participants who completed the questionnaire at the corresponding visit.
Cycle 2 Day 1 until 30 days safety follow-up
Randomized Phase 2: Evaluation of the Plasma Concentrations of Encorafenib
Délai: First day of treatment (Cycle 1 Day 1) and at steady state after 1 month treatment (Cycle 2 Day 1). Each cycle of 28 days.
Blood samples were collected at indicated time points for pharmacokinetic (PK) analysis of encorafenib.
First day of treatment (Cycle 1 Day 1) and at steady state after 1 month treatment (Cycle 2 Day 1). Each cycle of 28 days.
Randomized Phase 2: Evaluation of the Serum Concentrations of Cetuximab
Délai: First day of treatment (Cycle 1 Day 1) and at steady state after 1 month treatment (Cycle 2 Day 1). Each cycle of 28 days.
Blood samples were collected at indicated time points for pharmacokinetic (PK) analysis of cetuximab.
First day of treatment (Cycle 1 Day 1) and at steady state after 1 month treatment (Cycle 2 Day 1). Each cycle of 28 days.
Randomized Phase 2: Evaluation of the Area Under the Curve (AUC) Derived From Plasma Concentration of Encorafenib
Délai: First day of treatment (Cycle 1 Day 1) and at steady state after 1 month treatment (Cycle 2 Day 1). Each cycle of 28 days.
Blood samples were collected at indicated time points for pharmacokinetic (PK) analysis of encorafenib.
First day of treatment (Cycle 1 Day 1) and at steady state after 1 month treatment (Cycle 2 Day 1). Each cycle of 28 days.
Randomized Phase 2: Evaluation of the Area Under the Curve (AUC) Derived From Serum Concentration of Cetuximab
Délai: First day of treatment (Cycle 1 Day 1) and at steady state after 1 month treatment (Cycle 2 Day 1). Each cycle of 28 days.
Blood samples were collected at indicated time points for pharmacokinetic (PK) analysis of cetuximab.
First day of treatment (Cycle 1 Day 1) and at steady state after 1 month treatment (Cycle 2 Day 1). Each cycle of 28 days.
Randomized Phase 2: Evaluation of the Minimum Concentration (Cmin) Derived From Plasma Concentration of Encorafenib
Délai: First day of treatment (Cycle 1 Day 1) and at steady state after 1 month treatment (Cycle 2 Day 1). Each cycle of 28 days.
Blood samples were collected at indicated time points for pharmacokinetic (PK) analysis of encorafenib.
First day of treatment (Cycle 1 Day 1) and at steady state after 1 month treatment (Cycle 2 Day 1). Each cycle of 28 days.
Randomized Phase 2: Evaluation of the Minimum Concentration (Cmin) Derived From Serum Concentration of Cetuximab
Délai: First day of treatment (Cycle 1 Day 1) and at steady state after 1 month treatment (Cycle 2 Day 1). Each cycle of 28 days.
Blood samples were collected at indicated time points for pharmacokinetic (PK) analysis of cetuximab.
First day of treatment (Cycle 1 Day 1) and at steady state after 1 month treatment (Cycle 2 Day 1). Each cycle of 28 days.
Randomized Phase 2: Evaluation of the Maximum Concentration (Cmax) Derived From Plasma Concentration of Encorafenib
Délai: First day of treatment (Cycle 1 Day 1) and at steady state after 1 month treatment (Cycle 2 Day 1). Each cycle of 28 days.
Blood samples were collected at indicated time points for pharmacokinetic (PK) analysis of encorafenib.
First day of treatment (Cycle 1 Day 1) and at steady state after 1 month treatment (Cycle 2 Day 1). Each cycle of 28 days.
Randomized Phase 2: Evaluation of the Maximum Concentration (Cmax) Derived From Serum Concentration of Cetuximab
Délai: First day of treatment (Cycle 1 Day 1) and at steady state after 1 month treatment (Cycle 2 Day 1). Each cycle of 28 days.
Blood samples were collected at indicated time points for pharmacokinetic (PK) analysis of cetuximab.
First day of treatment (Cycle 1 Day 1) and at steady state after 1 month treatment (Cycle 2 Day 1). Each cycle of 28 days.

Autres mesures de résultats

Mesure des résultats
Délai
Phase 2 randomisée : modifications par rapport aux valeurs initiales de l'antigène carcinoembryonnaire (CEA) et de l'antigène du cancer 19-9 (CA19-9) au début de chaque cycle et à la fin du traitement
Délai: Dépistage (jour -28 à -1) jusqu'à la fin de l'étude, environ de 12 à 29 mois
Dépistage (jour -28 à -1) jusqu'à la fin de l'étude, environ de 12 à 29 mois
Phase 2 randomisée : Statut d'instabilité des microsatellites (MSI) dans les échantillons fixés au formol et inclus en paraffine (FFPE) à l'aide de tests de réaction en chaîne par polymérase (PCR) établis dans l'échantillon de tumeur par rapport au contrôle de la lignée germinale lors du dépistage
Délai: Dépistage (Jour -28 à Jour -1)
Dépistage (Jour -28 à Jour -1)

Collaborateurs et enquêteurs

C'est ici que vous trouverez les personnes et les organisations impliquées dans cette étude.

Les enquêteurs

  • Chercheur principal: Shen Lin, MD, Peking University Cancer Hospital & Institute

Publications et liens utiles

La personne responsable de la saisie des informations sur l'étude fournit volontairement ces publications. Il peut s'agir de tout ce qui concerne l'étude.

Dates d'enregistrement des études

Ces dates suivent la progression des dossiers d'étude et des soumissions de résultats sommaires à ClinicalTrials.gov. Les dossiers d'étude et les résultats rapportés sont examinés par la Bibliothèque nationale de médecine (NLM) pour s'assurer qu'ils répondent à des normes de contrôle de qualité spécifiques avant d'être publiés sur le site Web public.

Dates principales de l'étude

Début de l'étude (Réel)

14 septembre 2021

Achèvement primaire (Réel)

19 décembre 2023

Achèvement de l'étude (Réel)

7 décembre 2024

Dates d'inscription aux études

Première soumission

30 avril 2021

Première soumission répondant aux critères de contrôle qualité

5 août 2021

Première publication (Réel)

13 août 2021

Mises à jour des dossiers d'étude

Dernière mise à jour publiée (Réel)

30 avril 2026

Dernière mise à jour soumise répondant aux critères de contrôle qualité

8 avril 2026

Dernière vérification

1 février 2026

Plus d'information

Termes liés à cette étude

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Informations sur les médicaments et les dispositifs, documents d'étude

Étudie un produit pharmaceutique réglementé par la FDA américaine

Non

Étudie un produit d'appareil réglementé par la FDA américaine

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produit fabriqué et exporté des États-Unis.

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