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A Study Evaluating the Efficacy and Safety of Risvutatug Rezetecan in Participants With Advanced Sarcomas (EMBOLD Sarcoma-202)

13 juli 2026 uppdaterad av: GlaxoSmithKline

Phase 1b/2 Study Evaluating the Efficacy and Safety of Risvutatug Rezetecan in Participants With Previously Treated Unresectable Advanced or Metastatic Sarcomas

The main goal of this study is to test a new medicine, Risvutatug Rezetecan also called Ris-Rez. We want to see if this medicine can help people with certain types of cancer, whether its safe to use, how well people tolerate it, and how their bodies handle the drug (how its absorbed and broken down). This research is for adolescents and adults who have either: Osteosarcoma, which is a type of bone cancer, or Soft Tissue Sarcoma, which is a type of cancer that starts in soft body tissues (like muscle, fat, or nerves). In both cancer types the cancer must have already been treated, but has come back or spread, and cant be removed by surgery

Studieöversikt

Status

Rekrytering

Betingelser

Intervention / Behandling

Studietyp

Interventionell

Inskrivning (Beräknad)

113

Fas

  • Fas 2
  • Fas 1

Kontakter och platser

Det här avsnittet innehåller kontaktuppgifter för dem som genomför studien och information om var denna studie genomförs.

Studiekontakt

Studera Kontakt Backup

Studieorter

  • Frankrike
      • Bordeaux, Frankrike, 33076
        • Rekrytering
        • GSK Investigational Site
        • Huvudutredare:
          • Maud Toulmonde
        • Kontakt:
        • Kontakt:
      • Lyon, Frankrike, 69373
        • Rekrytering
        • GSK Investigational Site
        • Kontakt:
        • Kontakt:
        • Huvudutredare:
          • Armelle Dufresne
      • Villejuif, Frankrike, 94805
        • Rekrytering
        • GSK Investigational Site
        • Kontakt:
        • Kontakt:
        • Huvudutredare:
          • Benjamin Verret
  • Japan
      • Hokkaido, Japan, 003-0804
        • Rekrytering
        • GSK Investigational Site
        • Kontakt:
        • Kontakt:
        • Huvudutredare:
          • Hiroaki Hiraga
  • Kanada
    • Ontario
      • Toronto, Ontario, Kanada, M5G 2M9
        • Rekrytering
        • GSK Investigational Site
        • Kontakt:
        • Kontakt:
        • Huvudutredare:
          • Albiruni Ryan Ryan Abdul Abdul Razak
    • Quebec
      • Montreal, Quebec, Kanada, QC H3H 2R9
        • Rekrytering
        • GSK Investigational Site
        • Kontakt:
        • Kontakt:
        • Huvudutredare:
          • Ramy Saleh

Deltagandekriterier

Forskare letar efter personer som passar en viss beskrivning, så kallade behörighetskriterier. Några exempel på dessa kriterier är en persons allmänna hälsotillstånd eller tidigare behandlingar.

Urvalskriterier

Åldrar som är berättigade till studier

  • Barn
  • Vuxen
  • Äldre vuxen

Tar emot friska volontärer

Nej

Beskrivning

Inclusion Criteria:

- Participants are eligible to be included in the study only if all of the following criteria apply

  • Participants must be ≥ 12 years of age.
  • Has histologically confirmed unresectable advanced or metastatic R/R OSA (Cohort 1) or unresectable advanced or metastatic STS (Cohort 2) that has progressed to at least one prior line of systemic therapy.
  • Has documented disease progression on the last line of systemic treatment as confirmed by radiological imaging
  • Has an ECOG performance status of 0 or 1, or Lansky PS/Karnofsky PS ≥ 70% for adolescent participants, with no deterioration in the 2 weeks prior to first dose/randomization.
  • Has adequate organ function.
  • All participants, or their legal guardians, must provide signed informed consent and agree to follow the study protocol before starting any study activities

Exclusion Criteria:

- Participants are excluded from the study if any of the following key exclusion criteria apply:

  • Has received any prior therapy with an Antibody-drug-conjugates (ADC) with a TOPO1-inhibitor payload.
  • Has known sensitivity to study intervention components or excipients or other allergy that, in the opinion of the investigator or medical monitor, contraindicates participation in the study.
  • Has severe, uncontrolled or active cardiovascular disorders.
  • Known active infectious diseases requiring systemic treatment or known Human immunodeficiency virus (HIV).
  • Has symptomatic brain metastases or untreated progression exclusively due to brain metastasis during or after the last treatment prior to screening, evidence of leptomeningeal/meningeal/brainstem metastasis or evidence of spinal cord metastases.
  • Has received treatment with an investigational agent within 4 weeks of the first dose of study intervention.
  • Is pregnant or breastfeeding.

Studieplan

Det här avsnittet ger detaljer om studieplanen, inklusive hur studien är utformad och vad studien mäter.

Hur är studien utformad?

Designdetaljer

  • Primärt syfte: Behandling
  • Tilldelning: Randomiserad
  • Interventionsmodell: Parallellt uppdrag
  • Maskning: Ingen (Open Label)

Vapen och interventioner

Deltagargrupp / Arm
Intervention / Behandling
Experimentell: Cohort 1A (Ris-Rez)
Biologisk: Ris-Rez
Ris-Rez kommer att administreras
Experimentell: Cohort 1B [Ris-Rez + Granulocyte-Colony Stimulating Factor (G-CSF)]
Biologisk: Ris-Rez
Ris-Rez kommer att administreras
Biologisk: G-CSF
G-CSF will be administered
Experimentell: Cohort 2 (Ris-Rez)
Biologisk: Ris-Rez
Ris-Rez kommer att administreras

Vad mäter studien?

Primära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Cohort 1: Progression free survival rate at Week18 (PFS18)
Tidsram: At Week 18
PFS is defined as the time from the date of randomization until the date of documented disease progression or death due to any cause, whichever occurs first, as assessed by the investigator according to Response Evaluation Criteria in Solid Tumors, version 1.1 (RECIST 1.1)
At Week 18
Cohort 1 & 2: Confirmed Objective Response Rate (ORR)
Tidsram: Up to approximately 98 weeks
Confirmed ORR is defined as the proportion of participants who have achieved a confirmed Complete Response (CR) or Partial Response PR as assessed by investigator, according to RECIST 1.1
Up to approximately 98 weeks

Sekundära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Cohort 1 & 2: Number of participants with Adverse events (AEs) and serious AEs (SAEs) by severity
Tidsram: Up to approximately 179 weeks
Up to approximately 179 weeks
Cohort 1 & 2: Number of participants with AEs/SAEs leading to dose modifications or study intervention discontinuation or death
Tidsram: Up to approximately 179 weeks
Up to approximately 179 weeks
Cohort 1 & 2: Number of participants with a change from baseline in vital signs
Tidsram: Baseline (Day-1) and up to approximately 179 weeks
Number of participants will be assessed
Baseline (Day-1) and up to approximately 179 weeks
Cohort 1 & 2: Number of participants with a change from baseline in body weight
Tidsram: Baseline (Day-1) and up to approximately 179 weeks
Number of participants will be assessed
Baseline (Day-1) and up to approximately 179 weeks
Cohort 1 & 2: Number of participants with a change from baseline in laboratory parameters (haematology and clinical chemistry)
Tidsram: Baseline (Day-1) and up to approximately 179 weeks
Number of participants will be assessed
Baseline (Day-1) and up to approximately 179 weeks
Number of participants with a change from baseline in cardiac function [Electrocardiogram (ECG)]
Tidsram: Baseline (Day-1) and up to approximately 179 weeks
Number of participants will be assessed
Baseline (Day-1) and up to approximately 179 weeks
Number of participants with a change from baseline in Eastern Cooperative Oncology Group (ECOG) performance status
Tidsram: Baseline (Day-1) and up to approximately 179 weeks
Number of participants will be assessed
Baseline (Day-1) and up to approximately 179 weeks
Cohort 2: PFS rate at Week 18 (PFS18)
Tidsram: At Week 18
PFS is defined as the time from the date of randomization until the date of documented disease progression or death due to any cause, whichever occurs first, as assessed by the investigator according to RECIST 1.1
At Week 18
Cohort 1 & 2: Duration of response (DoR)
Tidsram: Up to approximately 179 weeks
DoR is defined as the time from the date of the first documented objective response (CR/PR) that is subsequently confirmed, until the date of the first documented PD or death, whichever is earlier, as assessed by investigator according to RECIST 1.1
Up to approximately 179 weeks
Cohort 1 & 2: PFS rate at Week 30 (PFS30)
Tidsram: At Week 30
PFS is defined as the time from the date of randomization until the date of documented disease progression or death due to any cause, whichever occurs first, as assessed by the investigator according to RECIST 1.1
At Week 30
Cohort 1 & 2: PFS
Tidsram: Up to approximately 179 weeks
PFS is defined as the time from the date of randomization until the date of documented disease progression or death due to any cause, whichever occurs first, as assessed by the investigator according to RECIST 1.1
Up to approximately 179 weeks
Cohort 1 & 2: Unconfirmed ORR
Tidsram: Up to approximately 179 weeks
Unconfirmed ORR is defined as the proportion of participants who have achieved a response of CR or PR (without confirmation) as assessed by the investigator according to RECIST 1.1.
Up to approximately 179 weeks
Cohort 1 & 2: Observed pharmacokinetic (PK) concentration of Ris-Rez (conjugated antibody) and payload
Tidsram: Up to approximately 179 weeks
Up to approximately 179 weeks
Cohort 1 & 2: Proportion of participants with positive and total Antidrug antibody (ADA) and Neutralizing Antibody (NAb) against Ris-Rez
Tidsram: Up to approximately 179 weeks
Up to approximately 179 weeks
Cohort 1 & 2: Titers of ADA against Ris-Rez
Tidsram: Up to approximately 179 weeks
Up to approximately 179 weeks
Cohort 1 & 2: Participant-reported experience on study treatment
Tidsram: Up to approximately 179 weeks
Number of participants who reported their experience with study treatment using validated questionnaires will be measured
Up to approximately 179 weeks

Samarbetspartners och utredare

Det är här du hittar personer och organisationer som är involverade i denna studie.

Sponsor

GlaxoSmithKline

Studieavstämningsdatum

Dessa datum spårar framstegen för inlämningar av studieposter och sammanfattande resultat till ClinicalTrials.gov. Studieposter och rapporterade resultat granskas av National Library of Medicine (NLM) för att säkerställa att de uppfyller specifika kvalitetskontrollstandarder innan de publiceras på den offentliga webbplatsen.

Studera stora datum

Studiestart (Faktisk)

22 juni 2026

Primärt slutförande (Beräknad)

18 november 2027

Avslutad studie (Beräknad)

23 november 2029

Studieregistreringsdatum

Först inskickad

11 maj 2026

Först inskickad som uppfyllde QC-kriterierna

19 maj 2026

Första postat (Faktisk)

22 maj 2026

Uppdateringar av studier

Senaste uppdatering publicerad (Faktisk)

15 juli 2026

Senaste inskickade uppdateringen som uppfyllde QC-kriterierna

13 juli 2026

Senast verifierad

1 juli 2026

Mer information

Termer relaterade till denna studie

Nyckelord

Ytterligare relevanta MeSH-villkor

Andra studie-ID-nummer

  • 300640
  • 2025-523997-18 (Annan identifierare: EU CT Number)

Plan för individuella deltagardata (IPD)

Planerar du att dela individuella deltagardata (IPD)?

JA

IPD-planbeskrivning

Study Sponsor will assess requests from qualified researchers for anonymized individual patient-level data and related study documents. Data sharing is subject to certain criteria, conditions, and exceptions. For further information, refer to https://www.gsk-studyregister.com/gsk-patient-level-data-sharing-july2025.pdf

Tidsram för IPD-delning

Anonymized IPD will be made available within 6 months of publication of primary, key secondary and safety results for studies in product with approved indication(s) or asset(s) with development terminated across all indications.

Kriterier för IPD Sharing Access

Anonymized IPD is shared with researchers whose proposals are approved by an Independent Review Panel and after a Data Sharing Agreement is in place. Access is provided for an initial period of 12 months, but an extension may be granted, when justified, for up to 6 months.

IPD-delning som stöder informationstyp

  • STUDY_PROTOCOL
  • SAV
  • ICF
  • CSR

Läkemedels- och apparatinformation, studiedokument

Studerar en amerikansk FDA-reglerad läkemedelsprodukt

Ja

Studerar en amerikansk FDA-reglerad produktprodukt

Nej

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