Klinische Studien Nct Page

Summary
EudraCT Number:2022-003865-39
Sponsor's Protocol Code Number:WSG-AM12
National Competent Authority:Germany - PEI
Clinical Trial Type:EEA CTA
Trial Status:Ongoing
Date on which this record was first entered in the EudraCT database:2023-01-03
Trial results
A. Protocol Information
A.1Member State ConcernedGermany - PEI
A.2EudraCT number2022-003865-39
A.3Full title of the trial
NeoAdjuvant Dynamic marker - Adjusted Personalized Therapy comparing trastuzumab-deruxtecan versus pacli-/docetaxel+carboplatin+trastuzumab+pertuzumab in HER2+ early breast cancer
NeoAdjuvante, an Dynamischen Markern Adjustierte, Personalisierte Therapie mit Trastuzumab-Deruxtecan im Vergleich zu Pacli-/Docetaxel+Carboplatin+Trastuzumab+Pertuzumab in frühem, HER2-positivem Brustkrebs
A.3.1Title of the trial for lay people, in easily understood, i.e. non-technical, language
Treatment of HER2+ early breast cancer with either trastuzumab-deruxtecan or standard-of-care treatment (chemotherapy + antibodies)
Behandlung von frühem, HER2-positiven Brustkrebs mit Trastuzumab-Deruxtecan im Vergleich zu Standardtherapie (Chemotherapie + Antikörper)
A.3.2Name or abbreviated title of the trial where available
ADAPT-HER2-IV
ADAPT-HER2-IV
A.4.1Sponsor's protocol code numberWSG-AM12
A.5.2US NCT (ClinicalTrials.gov registry) numberNCT05704829
A.7Trial is part of a Paediatric Investigation Plan No
A.8EMA Decision number of Paediatric Investigation Plan
B. Sponsor Information
B.Sponsor: 1
B.1.1Name of SponsorWestdeutsche Studiengruppe GmbH
B.1.3.4CountryGermany
B.3.1 and B.3.2Status of the sponsorCommercial
B.4 Source(s) of Monetary or Material Support for the clinical trial:
B.4.1Name of organisation providing supportAstraZeneca
B.4.2CountryGermany
B.5 Contact point designated by the sponsor for further information on the trial
B.5.1Name of organisationWestdeutsche Studiengruppe GmbH
B.5.2Functional name of contact pointSenior Manager Regulatory
B.5.3 Address:
B.5.3.1Street AddressFliethstraße 112 - 114
B.5.3.2Town/ cityMönchengladbach
B.5.3.3Post code41061
B.5.3.4CountryGermany
B.5.4Telephone number004917682119153
B.5.5Fax number004921615662319
B.5.6E-mailregulatory@wsg-online.com
D. IMP Identification
D.IMP: 1
D.1.2 and D.1.3IMP RoleTest
D.2 Status of the IMP to be used in the clinical trial
D.2.1IMP to be used in the trial has a marketing authorisation Yes
D.2.1.1.1Trade name Enhertu
D.2.1.1.2Name of the Marketing Authorisation holderDaiichi Sankyo Europe GmbH
D.2.1.2Country which granted the Marketing AuthorisationEuropean Union
D.2.5The IMP has been designated in this indication as an orphan drug in the Community No
D.2.5.1Orphan drug designation number
D.3 Description of the IMP
D.3.1Product nameTrastuzumab-Deruxtecan (T-DXd)
D.3.2Product code DS-8201a
D.3.4Pharmaceutical form Powder for concentrate for solution for infusion
D.3.4.1Specific paediatric formulation No
D.3.7Routes of administration for this IMPIntravenous use
D.3.8 to D.3.10 IMP Identification Details (Active Substances)
D.3.8INN - Proposed INNTrastuzumab deruxtecan
D.3.9.2Current sponsor codeT-DXd
D.3.9.3Other descriptive nameDS-8210a
D.3.9.4EV Substance CodeSUB188357
D.3.10 Strength
D.3.10.1Concentration unit mg milligram(s)
D.3.10.2Concentration typeequal
D.3.10.3Concentration number100
D.3.11 The IMP contains an:
D.3.11.1Active substance of chemical origin Yes
D.3.11.2Active substance of biological/ biotechnological origin (other than Advanced Therapy IMP (ATIMP) Yes
The IMP is a:
D.3.11.3Advanced Therapy IMP (ATIMP) No
D.3.11.3.1Somatic cell therapy medicinal product No
D.3.11.3.2Gene therapy medical product No
D.3.11.3.3Tissue Engineered Product No
D.3.11.3.4Combination ATIMP (i.e. one involving a medical device) No
D.3.11.3.5Committee on Advanced therapies (CAT) has issued a classification for this product No
D.3.11.4Combination product that includes a device, but does not involve an Advanced Therapy No
D.3.11.5Radiopharmaceutical medicinal product No
D.3.11.6Immunological medicinal product (such as vaccine, allergen, immune serum) No
D.3.11.7Plasma derived medicinal product No
D.3.11.8Extractive medicinal product No
D.3.11.9Recombinant medicinal product No
D.3.11.10Medicinal product containing genetically modified organisms No
D.3.11.11Herbal medicinal product No
D.3.11.12Homeopathic medicinal product No
D.3.11.13Another type of medicinal product Yes
D.3.11.13.1Other medicinal product typeAntibody-Drug-Conjugate
D.IMP: 2
D.1.2 and D.1.3IMP RoleComparator
D.2 Status of the IMP to be used in the clinical trial
D.2.1IMP to be used in the trial has a marketing authorisation Yes
D.2.1.2Country which granted the Marketing AuthorisationGermany
D.2.5The IMP has been designated in this indication as an orphan drug in the Community No
D.2.5.1Orphan drug designation number
D.3 Description of the IMP
D.3.1Product namePaclitaxel
D.3.4Pharmaceutical form Concentrate for solution for injection/infusion
D.3.4.1Specific paediatric formulation No
D.3.7Routes of administration for this IMPIntravenous use
D.3.8 to D.3.10 IMP Identification Details (Active Substances)
D.3.8INN - Proposed INNPaclitaxel
D.3.9.1CAS number 33069-62-4
D.3.9.2Current sponsor codePAC
D.3.9.4EV Substance CodeSUB09583MIG
D.3.10 Strength
D.3.10.1Concentration unit mg/ml milligram(s)/millilitre
D.3.10.2Concentration typeequal
D.3.10.3Concentration number6
D.3.11 The IMP contains an:
D.3.11.1Active substance of chemical origin Yes
D.3.11.2Active substance of biological/ biotechnological origin (other than Advanced Therapy IMP (ATIMP) No
The IMP is a:
D.3.11.3Advanced Therapy IMP (ATIMP) No
D.3.11.3.1Somatic cell therapy medicinal product No
D.3.11.3.2Gene therapy medical product No
D.3.11.3.3Tissue Engineered Product No
D.3.11.3.4Combination ATIMP (i.e. one involving a medical device) No
D.3.11.3.5Committee on Advanced therapies (CAT) has issued a classification for this product No
D.3.11.4Combination product that includes a device, but does not involve an Advanced Therapy No
D.3.11.5Radiopharmaceutical medicinal product No
D.3.11.6Immunological medicinal product (such as vaccine, allergen, immune serum) No
D.3.11.7Plasma derived medicinal product No
D.3.11.8Extractive medicinal product No
D.3.11.9Recombinant medicinal product No
D.3.11.10Medicinal product containing genetically modified organisms No
D.3.11.11Herbal medicinal product No
D.3.11.12Homeopathic medicinal product No
D.3.11.13Another type of medicinal product No
D.IMP: 3
D.1.2 and D.1.3IMP RoleComparator
D.2 Status of the IMP to be used in the clinical trial
D.2.1IMP to be used in the trial has a marketing authorisation Yes
D.2.1.2Country which granted the Marketing AuthorisationGermany
D.2.5The IMP has been designated in this indication as an orphan drug in the Community No
D.2.5.1Orphan drug designation number
D.3 Description of the IMP
D.3.1Product nameDocetaxel
D.3.4Pharmaceutical form Concentrate for solution for injection/infusion
D.3.4.1Specific paediatric formulation No
D.3.7Routes of administration for this IMPIntravenous use
D.3.8 to D.3.10 IMP Identification Details (Active Substances)
D.3.8INN - Proposed INNDocetaxel
D.3.9.1CAS number 114977-28-5
D.3.9.2Current sponsor codeDOC
D.3.9.4EV Substance CodeSUB12492MIG
D.3.10 Strength
D.3.10.1Concentration unit mg/ml milligram(s)/millilitre
D.3.10.2Concentration typeequal
D.3.10.3Concentration number40
D.3.11 The IMP contains an:
D.3.11.1Active substance of chemical origin Yes
D.3.11.2Active substance of biological/ biotechnological origin (other than Advanced Therapy IMP (ATIMP) No
The IMP is a:
D.3.11.3Advanced Therapy IMP (ATIMP) No
D.3.11.3.1Somatic cell therapy medicinal product No
D.3.11.3.2Gene therapy medical product No
D.3.11.3.3Tissue Engineered Product No
D.3.11.3.4Combination ATIMP (i.e. one involving a medical device) No
D.3.11.3.5Committee on Advanced therapies (CAT) has issued a classification for this product No
D.3.11.4Combination product that includes a device, but does not involve an Advanced Therapy No
D.3.11.5Radiopharmaceutical medicinal product No
D.3.11.6Immunological medicinal product (such as vaccine, allergen, immune serum) No
D.3.11.7Plasma derived medicinal product No
D.3.11.8Extractive medicinal product No
D.3.11.9Recombinant medicinal product No
D.3.11.10Medicinal product containing genetically modified organisms No
D.3.11.11Herbal medicinal product No
D.3.11.12Homeopathic medicinal product No
D.3.11.13Another type of medicinal product No
D.IMP: 4
D.1.2 and D.1.3IMP RoleComparator
D.2 Status of the IMP to be used in the clinical trial
D.2.1IMP to be used in the trial has a marketing authorisation Yes
D.2.1.2Country which granted the Marketing AuthorisationGermany
D.2.5The IMP has been designated in this indication as an orphan drug in the Community No
D.2.5.1Orphan drug designation number
D.3 Description of the IMP
D.3.1Product nameCarboplatin
D.3.4Pharmaceutical form Concentrate for solution for injection/infusion
D.3.4.1Specific paediatric formulation No
D.3.7Routes of administration for this IMPIntravenous use
D.3.8 to D.3.10 IMP Identification Details (Active Substances)
D.3.8INN - Proposed INNCarboplatin
D.3.9.1CAS number 41575-94-4
D.3.9.2Current sponsor codeCARBO
D.3.9.4EV Substance CodeSUB06614MIG
D.3.10 Strength
D.3.10.1Concentration unit mg milligram(s)
D.3.10.2Concentration typeequal
D.3.10.3Concentration number400
D.3.11 The IMP contains an:
D.3.11.1Active substance of chemical origin Yes
D.3.11.2Active substance of biological/ biotechnological origin (other than Advanced Therapy IMP (ATIMP) No
The IMP is a:
D.3.11.3Advanced Therapy IMP (ATIMP) No
D.3.11.3.1Somatic cell therapy medicinal product No
D.3.11.3.2Gene therapy medical product No
D.3.11.3.3Tissue Engineered Product No
D.3.11.3.4Combination ATIMP (i.e. one involving a medical device) No
D.3.11.3.5Committee on Advanced therapies (CAT) has issued a classification for this product No
D.3.11.4Combination product that includes a device, but does not involve an Advanced Therapy No
D.3.11.5Radiopharmaceutical medicinal product No
D.3.11.6Immunological medicinal product (such as vaccine, allergen, immune serum) No
D.3.11.7Plasma derived medicinal product No
D.3.11.8Extractive medicinal product No
D.3.11.9Recombinant medicinal product No
D.3.11.10Medicinal product containing genetically modified organisms No
D.3.11.11Herbal medicinal product No
D.3.11.12Homeopathic medicinal product No
D.3.11.13Another type of medicinal product No
D.IMP: 5
D.1.2 and D.1.3IMP RoleComparator
D.2 Status of the IMP to be used in the clinical trial
D.2.1IMP to be used in the trial has a marketing authorisation Yes
D.2.1.2Country which granted the Marketing AuthorisationGermany
D.2.5The IMP has been designated in this indication as an orphan drug in the Community No
D.2.5.1Orphan drug designation number
D.3 Description of the IMP
D.3.1Product nameTrastuzumab
D.3.4Pharmaceutical form Concentrate for solution for injection/infusion
D.3.4.1Specific paediatric formulation No
D.3.7Routes of administration for this IMPIntravenous use
D.3.8 to D.3.10 IMP Identification Details (Active Substances)
D.3.8INN - Proposed INNTrastuzumab
D.3.9.1CAS number 180288-69-1
D.3.9.2Current sponsor codeT
D.3.9.4EV Substance CodeSUB12612MIG
D.3.10 Strength
D.3.10.1Concentration unit mg/kg milligram(s)/kilogram
D.3.10.2Concentration typerange
D.3.10.3Concentration number8 to 6
D.3.11 The IMP contains an:
D.3.11.1Active substance of chemical origin No
D.3.11.2Active substance of biological/ biotechnological origin (other than Advanced Therapy IMP (ATIMP) Yes
The IMP is a:
D.3.11.3Advanced Therapy IMP (ATIMP) No
D.3.11.3.1Somatic cell therapy medicinal product No
D.3.11.3.2Gene therapy medical product No
D.3.11.3.3Tissue Engineered Product No
D.3.11.3.4Combination ATIMP (i.e. one involving a medical device) No
D.3.11.3.5Committee on Advanced therapies (CAT) has issued a classification for this product No
D.3.11.4Combination product that includes a device, but does not involve an Advanced Therapy No
D.3.11.5Radiopharmaceutical medicinal product No
D.3.11.6Immunological medicinal product (such as vaccine, allergen, immune serum) No
D.3.11.7Plasma derived medicinal product No
D.3.11.8Extractive medicinal product No
D.3.11.9Recombinant medicinal product No
D.3.11.10Medicinal product containing genetically modified organisms No
D.3.11.11Herbal medicinal product No
D.3.11.12Homeopathic medicinal product No
D.3.11.13Another type of medicinal product No
D.IMP: 6
D.1.2 and D.1.3IMP RoleComparator
D.2 Status of the IMP to be used in the clinical trial
D.2.1IMP to be used in the trial has a marketing authorisation Yes
D.2.1.2Country which granted the Marketing AuthorisationGermany
D.2.5The IMP has been designated in this indication as an orphan drug in the Community No
D.2.5.1Orphan drug designation number
D.3 Description of the IMP
D.3.1Product namePhesgo
D.3.4Pharmaceutical form Solution for injection
D.3.4.1Specific paediatric formulation No
D.3.7Routes of administration for this IMPSubcutaneous use
D.3.11 The IMP contains an:
D.3.11.1Active substance of chemical origin No
D.3.11.2Active substance of biological/ biotechnological origin (other than Advanced Therapy IMP (ATIMP) Yes
The IMP is a:
D.3.11.3Advanced Therapy IMP (ATIMP) No
D.3.11.3.1Somatic cell therapy medicinal product No
D.3.11.3.2Gene therapy medical product No
D.3.11.3.3Tissue Engineered Product No
D.3.11.3.4Combination ATIMP (i.e. one involving a medical device) No
D.3.11.3.5Committee on Advanced therapies (CAT) has issued a classification for this product No
D.3.11.4Combination product that includes a device, but does not involve an Advanced Therapy No
D.3.11.5Radiopharmaceutical medicinal product No
D.3.11.6Immunological medicinal product (such as vaccine, allergen, immune serum) No
D.3.11.7Plasma derived medicinal product No
D.3.11.8Extractive medicinal product No
D.3.11.9Recombinant medicinal product No
D.3.11.10Medicinal product containing genetically modified organisms No
D.3.11.11Herbal medicinal product No
D.3.11.12Homeopathic medicinal product No
D.3.11.13Another type of medicinal product No
D.IMP: 7
D.1.2 and D.1.3IMP RoleComparator
D.2 Status of the IMP to be used in the clinical trial
D.2.1IMP to be used in the trial has a marketing authorisation Yes
D.2.1.2Country which granted the Marketing AuthorisationGermany
D.2.5The IMP has been designated in this indication as an orphan drug in the Community No
D.2.5.1Orphan drug designation number
D.3 Description of the IMP
D.3.1Product namePertuzumab
D.3.4Pharmaceutical form Concentrate for solution for injection/infusion
D.3.4.1Specific paediatric formulation No
D.3.7Routes of administration for this IMPIntravenous use
D.3.8 to D.3.10 IMP Identification Details (Active Substances)
D.3.8INN - Proposed INNPertuzumab
D.3.9.1CAS number 380610-27-5
D.3.9.2Current sponsor codeP
D.3.9.4EV Substance CodeSUB16455MIG
D.3.10 Strength
D.3.10.1Concentration unit mg milligram(s)
D.3.10.2Concentration typerange
D.3.10.3Concentration number840 to 420
D.3.11 The IMP contains an:
D.3.11.1Active substance of chemical origin No
D.3.11.2Active substance of biological/ biotechnological origin (other than Advanced Therapy IMP (ATIMP) Yes
The IMP is a:
D.3.11.3Advanced Therapy IMP (ATIMP) No
D.3.11.3.1Somatic cell therapy medicinal product No
D.3.11.3.2Gene therapy medical product No
D.3.11.3.3Tissue Engineered Product No
D.3.11.3.4Combination ATIMP (i.e. one involving a medical device) No
D.3.11.3.5Committee on Advanced therapies (CAT) has issued a classification for this product No
D.3.11.4Combination product that includes a device, but does not involve an Advanced Therapy No
D.3.11.5Radiopharmaceutical medicinal product No
D.3.11.6Immunological medicinal product (such as vaccine, allergen, immune serum) No
D.3.11.7Plasma derived medicinal product No
D.3.11.8Extractive medicinal product No
D.3.11.9Recombinant medicinal product No
D.3.11.10Medicinal product containing genetically modified organisms No
D.3.11.11Herbal medicinal product No
D.3.11.12Homeopathic medicinal product No
D.3.11.13Another type of medicinal product No
D.8 Information on Placebo
E. General Information on the Trial
E.1 Medical condition or disease under investigation
E.1.1Medical condition(s) being investigated
HER2+ early breast cancer
HER2+ früher Brustkrebs
E.1.1.1Medical condition in easily understood language
Breast Cancer
Brustkrebs
E.1.1.2Therapeutic area Diseases [C] - Cancer [C04]
MedDRA Classification
E.1.2 Medical condition or disease under investigation
E.1.2Version 20.0
E.1.2Level LLT
E.1.2Classification code 10006192
E.1.2Term Breast cancer NOS
E.1.2System Organ Class 10029104 - Neoplasms benign, malignant and unspecified (incl cysts and polyps)
E.1.2 Medical condition or disease under investigation
E.1.2Version 23.0
E.1.2Level PT
E.1.2Classification code 10065430
E.1.2Term HER2 positive breast cancer
E.1.2System Organ Class 10029104 - Neoplasms benign, malignant and unspecified (incl cysts and polyps)
E.1.3Condition being studied is a rare disease No
E.2 Objective of the trial
E.2.1Main objective of the trial
1. The first co-primary objective of the study is the comparison of the pathologic complete response (pCR) rates after 12 or 18 weeks of neoadjuvant treatment with T-DXd versus standard-of-care (PAC+T+P or DOC/PAC+Carbo+T+P) in pooled risk cohorts

2. The second co-primary objective is to evaluate whether 3-year distant-disease-free survival equals or exceeds 92% in T-DXd treated patients from both risk cohorts.
1. Das erste co-primäre Zielkriterium der Studie ist der Vergleich der pathologischen Komplettremissionsrate (pCR) nach 12 oder 18 Wochen neoadjuvanter Behandlung mit T-DXd versus standard-of-care (PAC+T+P oder PAC/DOC+Carbo+T+P) in gepoolten Risikokohorten

2. Das zweite co-primäre Zielkriterium der Studie ist zu evaluieren, ob das 3-Jahres distant-disease-free survival gleich oder besser als 92% in den T-DXd-behandelten Patienten beider Risikokohorten ist.
E.2.2Secondary objectives of the trial
Secondary objectives
• To assess clinical response after 6, 12, and 18 (cohort 2) weeks of treatment
• To assess 3-year dDFS in patients with pCR after neoadjuvant treatment without further chemotherapy
• Comparison of pCR rates after different treatment durations (12 versus 18 weeks) of both treatments in pooled cohorts
• Comparison of pCR rates in T-DXd 12 weeks versus PAC+T+P
• Comparison of pCR rates in T-DXd18 weeks versus DOC/PAC+Carbo+T+P
• Assessment of further survival endpoints according to STEEP 2.0 criteria: iDFS, OS, LRFS, BCFS
• Assessment of health-related quality of life (EORTC-QLQ-C30, version 3.0, EORTC QLQ-BR45, version 1.0)
•Klinisches Ansprechen nach 6, 12 und 18 (Kohorte 2) Wochen Behandlung
•3-Jahres dDFS in Patienten mit pCR nach neoadjuvanter Behandlung ohne weitere Chemotherapie
•Vergleich der pCR-Raten nach verschiedenen Behandlungsdauern (12 versus 18 Wochen) in beiden Behandlungsarmen und gepoolten Kohorten
•Vergleich der pCR-Raten im 12 Wochen T-DXd-Behandlungsarm versus SOC PAC+T+P
•Vergleich der pCR-Raten im 18 Wochen Behandlungsarm versus PAC/DOC+Carbo+T+P
•Auswertung weiterer Überlebensendpunkte nach STEEP 2.0 Kriterien: iDFS, OS, LRFS, BCFS
•Auswertung gesundheitsbezogener Lebensqualität (EORTC-QLQ-C30, Version 3.0, EORTC QLQ-BR45, Version 1.0)
E.2.3Trial contains a sub-study Yes
E.2.3.1Full title, date and version of each sub-study and their related objectives
Biomarkers and optional translational research assessments (tumour tissue and liquid biopsy)
•assessments for pathway inhibition and efficacy
•assessments for potential mechanisms of recurrence
•Assessment of circulating tumour DNA (ctDNA)
Biomarker und optionale translationale Forschung (Tumorgewebe und liquid biopsy)
•Untersuchung von Pathway-Hemmung und Wirksamkeit
•Untersuchung auf potenzielle Rezidivmechanismen
•Beurteilung zirkulierender Tumor-DNA (ctDNA)
E.3Principal inclusion criteria
Patients eligible for inclusion in this study must meet all the following criteria:
1. Female patients with invasive, untreated HER2+ breast cancer (as assessed by local pathology) maximum 6 weeks before registration (standard-of-care diagnostic biopsy according to current AGO guidelines)
2. Age ≥18 years
3a. Cohort 1: low- to intermediate-risk for recurrence as per investigator´s decision (recommendation: cT1c – cT2 (1 - ≤3cm) and cN0; cT1a/b, cNO is excluded), OR
3b. Cohort 2: intermediate- to high-risk for recurrence as per investigator´s decision (recommendation: cT2 (>3 - ≤5cm), cN0)
3c. Elderly patients (≥ 65 years) may be assigned to any cohort as per investigator’s decision
4. Written informed consent
5. LVEF ≥ 50% within 28 days before randomisation
6. Eastern Cooperative Oncology Group performance status (ECOG PS) 0-1
7. Adequate bone marrow and organ function within 14 days before randomisation as defined by the following laboratory values:
•absolute neutrophil count ≥ 1.5 × 109/L,
•platelets ≥ 100 × 109/L,
•hemoglobin ≥ 9.0 g/dL:
•estimated glomerular filtration rate (eGFR) ≥ 30 mL/min by a Cockcroft-Gault formula,
•INR ≤ 1.5,
•serum creatinine < 1.5 mg/dL,
•total bilirubin < ULN, except for patients with Gilbert’s Syndrome who may only be included if the total bilirubin is ≤ 3.0 × ULN or direct bilirubin ≤ 1.5 × ULN,
•aspartate transaminase (AST) < 2.5 × ULN,
•alanine transaminase (ALT) < 2.5 × ULN.
8. Adequate treatment washout period before randomisation (refer to protocol for detailed information)
9. Evidence of post-menopausal status or negative serum pregnancy test for females of childbearing potential (refer to protocol for detailed information)
Post-menopausal status is accepted for women, who at the time of initiation of study medication, either
•had underwent bilateral oophorectomy, or
•are ≥ 60 years of age, or
•are < 60 years of age and amenorrhoeic for 12 or more months (in the absence of chemotherapy, tamoxifen, toremifen, or ovarian suppression)
•and/or whose FSH- and estradiol-blood values are within the postmenopausal range per local laboratory normal range.
10. Female subjects must not donate, or retrieve for their own use, ova from the time of randomisation and throughout the study treatment period, and for at least 7 months after the final study drug administration. (refer to protocol for detailed information)
Patienten, die für die Aufnahme in diese Studie in Frage kommen, müssen alle folgenden Kriterien erfüllen:
1.Weibliche Patienten mit invasivem, unbehandeltem HER2+ Brustkrebs (nach lokaler Pathologie) maximal 6 Wochen vor Registrierung (Standard-of-Care diagnostische Biopsie nach aktuellen AGO-Leitlinien)
2.Alter ≥18 Jahre
3.a. Kohorte 1: niedrig- bis intermediäres Rezidivrisiko gemäß Prüfarztentscheidung (Empfehlung: cT1c – cT2 (1 - ≤3cm) und cN0; cT1a/b, cNO ausgeschlossen), ODER
b. Kohorte 2: intermediär- bis hohes Rezidivrisiko gemäß
Untersucherentscheidung (Empfehlung: cT2 (>3 - ≤5cm),
cN0)
c. Ältere Patienten (≥ 65 Jahre) können gemäß der
Entscheidung des Prüfarztes jeder Kohorte zugeordnet
werden
4.Schriftliche Einverständniserklärung
5.LVEF ≥ 50 % innerhalb von 28 Tagen vor Randomisierung
6.Leistungsstatus der Eastern Cooperative Oncology Group (ECOG PS) 0-1
7.Ausreichende Organ- und Knochenmarkfunktion innerhalb von 14 Tagen vor Randomisierung:
•absolute Neutrophile ≥ 1.5 × 109/L,
•Thrombocyten ≥ 100 × 109/L,
•Hämoglobin ≥ 9.0 g/dL:
•geschätzte glomeruläre Filtrationsrate (eGFR) ≥ 30 mL/min (Cockcroft-Gault-Formel),
•INR ≤ 1.5,
•Serum Kreatinin < 1.5 mg/dL,
•Totales Bilirubin < 1.5 ULN, mit Ausnahme von Patienten mit Gilbert’s Syndrom, die nur dann eingeschlossen werden können, wenn das totale Bilirubin ≤ 3.0 × ULN oder das direkte Bilirubin ≤ 1.5 × ULN ist,
•Aspartat-Transaminase (AST) < 2.5 × ULN,
•Alanin-Transaminase (ALT) < 2.5 × ULN.
8.Angemessene Auswaschzeit für die Behandlung vor der Randomisierung (siehe Protokoll für detaillierte Informationen)
9.Nachweis eines postmenopausalen Status oder negativen Serum-Schwangerschaftstests für Frauen im gebärfähigen Alter (siehe Protokoll für detaillierte Informationen)
Der post-menopausale Status ist definiert als Frauen, die zum Zeitpunkt der ersten Applikation der Studienmedikation entweder
•eine beidseitige Oophorektomie hatten, oder
• ≥ 60 Jahre alt sind, oder
• < 60 Jahre alt sind und amenorrhoeisch für 12 oder mehr Monate (ohne Einnahme von Chemotherapie, Tamoxifen, Toremifen oder ovarieller Suppression)
•und/oder deren FSH- und Estradiol-Blutwerte innerhalb der postmenopausalen Grenzwerte (nach lokalen Laborgrenzwerten) liegen.
10.Weibliche Probanden dürfen ab dem Zeitpunkt der Randomisierung und während des gesamten Studienbehandlungszeitraums und für mindestens 7 Monate nach der letzten Verabreichung des Studienmedikaments keine Eizellen spenden oder für den eigenen Gebrauch entnehmen. (siehe Protokoll für detaillierte Informationen)

E.4Principal exclusion criteria
Patients eligible for inclusion in this study must not meet any of the following criteria:
1. Non-operable breast cancer including inflammatory breast cancer
2. cT1a/b, cN0 breast cancer
3. Any previous history of invasive breast cancer
4. Primary malignancies within 5 years, with the exception of
• adequately resected non-melanoma skin cancer
• curatively treated in-situ disease
5. Any evidence for existing metastatic disease (confirmed by CT Thorax/Abdomen, bone scan, or other methods according to clinical practice
6. Previous or concurrent treatment with cytotoxic agents for any reason (except non-oncological reasons)
7. Concurrent treatment with other experimental drugs and participation in another clinical trial with any investigational drug within 30 days prior to study entry
8. Severe and relevant co-morbidity that would interact with the application of cytotoxic agents or the participation in the study/inadequate organ function
9. Reasons indicating risk of poor compliance
10. Woman of child-bearing potential defined as a woman physiologically capable of becoming pregnant, and not using highly effective methods of contraception during the study treatment and for 7 months after stopping the treatment.
11. Use of oral (oestrogen and progesterone), transdermal, injected, or implanted hormonal methods of contraception as well as hormonal replacement therapy.
12. Has substance abuse or any other medical conditions such as clinically significant cardiac or psychological conditions, that may, in the opinion of the investigator, interfere with the subject’s participation in the clinical study or evaluation of the clinical study results.
13. Patients with a medical history of myocardial infarction (MI) within 6 months before randomisation, symptomatic congestive heart failure (CHF) (New York Heart Association Class II to IV), Subjects with troponin levels above ULN at screening (as defined by the manufacturer), and without any myocardial related symptoms, should have a cardiologic consultation before enrolment to rule out MI.
14. Corrected QT interval (QTcF) prolongation to > 470 msec (females) or >450 msec (males) based on average of the screening triplicate12-lead ECG.
15. History of (non-infectious) ILD / pneumonitis that required steroids, has current ILD/pneumonitis, or where suspected ILD/pneumonitis cannot be ruled out by imaging at screening.
16. Lung criteria:
- Lung-specific intercurrent clinically significant illnesses including, but not limited to, any underlying pulmonary disorder
- Any autoimmune, connective tissue or inflammatory disorders (e.g., Rheumatoid arthritis, Sjogren's, sarcoidosis etc.) where there is documented, or a suspicion of pulmonary involvement at the time of randomisation.
- Prior pneumonectomy (complete)
Uncontrolled infection requiring IV antibiotics, antivirals, or antifungals
17. Active primary immunodeficiency, known human immunodeficiency virus (HIV) infection, or active hepatitis B or C infection. Patients positive for hepatitis C (HCV) antibody are eligible only if polymerase chain reaction is negative for HCV RNA. Patients should be tested for HIV prior to randomisation if required by local regulations or ethics committee (EC).
18. Receipt of live, attenuated vaccine (mRNA and replication deficient adenoviral vaccines are not considered attenuated live vaccines) within 30 days prior to the first dose of trastuzumab deruxtecan or carboplatin. Note: Patients, if enrolled, should not receive live vaccine during the study and up to 30 days after the last dose of IMP.
19. Known allergy or hypersensitivity to study treatment (T-DXd), to comparator (SoC-) treatment, or any of the study drug / comparator (SoC-) excipients.
20. History of severe hypersensitivity reactions to other monoclonal antibodies.
21. Pregnant or breastfeeding female patients, or patients who are planning to become pregnant.
Patienten, die für die Aufnahme in diese Studie in Frage kommen, dürfen keines der folgenden Kriterien erfüllen:
1.Nicht operierbarer Brustkrebs, einschließlich entzündlicher Brustkrebs
2.cT1a/b, cNO Brustkrebs
3.Jede Vorgeschichte von invasivem Brustkrebs
4.Primärmalignome innerhalb von 5 Jahren, mit Ausnahme von
a.adäquat resezierter nicht-melanozytärer Hautkrebs
b.kurativ behandelte In-situ-Krankheit
5.Jeglicher Hinweis auf eine bestehende metastatische Erkrankung (bestätigt durch CT Thorax/Abdomen, Knochenscan oder andere Methoden gemäß der klinischen Praxis
6.Vorherige oder gleichzeitige Behandlung mit Zytostatika aus irgendeinem Grund (außer nicht-onkologische Gründe)
7.Gleichzeitige Behandlung mit anderen experimentellen Arzneimitteln und Teilnahme an einer anderen klinischen Studie mit einem Prüfpräparat innerhalb von 30 Tagen vor Studieneintritt
8.Schwerwiegende und relevante Komorbidität, die mit der Applikation von Zytostatika oder der Teilnahme an der Studie interagieren würde/unzureichende Organfunktion
9.Gründe, die auf das Risiko einer unzureichenden Einhaltung hinweisen
10.Frau im gebärfähigen Alter, definiert als eine Frau, die physiologisch in der Lage ist, schwanger zu werden, und während der Studienbehandlung und für 7 Monate nach Beendigung der Behandlung keine besonders wirksamen Verhütungsmethoden anwendet.
11.Anwendung von oralen (Östrogen und Progesteron), transdermalen, injizierten oder implantierten hormonellen Verhütungsmethoden sowie Hormonersatztherapien.
12.Hat Drogenmissbrauch oder andere Erkrankungen wie klinisch signifikante kardiale oder psychische Erkrankungen, die nach Ansicht des Ermittlers die Teilnahme des Probanden an der klinischen Studie oder die Bewertung der Ergebnisse der klinischen Studie beeinträchtigen können.
13.Patienten mit einer medizinischen Vorgeschichte von Myokardinfarkt (MI) innerhalb von 6 Monaten vor Randomisierung, symptomatischer kongestiver Herzinsuffizienz (CHF) (New York Heart Association Klasse II bis IV), Patienten mit Troponinwerten über ULN beim Screening (wie definiert durch die Hersteller) und ohne myokardial bedingte Symptome, sollten vor der Einschreibung eine kardiologische Beratung erhalten, um einen Myokardinfarkt auszuschließen.
14.Korrigierte Verlängerung des QT-Intervalls (QTcF) auf >470 ms (Frauen) basierend auf dem Durchschnitt des dreifachen 12-Kanal-Screening-EKG.
15.Vorgeschichte einer (nicht infektiösen) ILD/Pneumonitis, die Steroide erforderte, eine aktuelle ILD/Pneumonitis oder wenn der Verdacht auf ILD/Pneumonitis nicht durch Bildgebung beim Screening ausgeschlossen werden kann.
16.Lungenkriterien:
o Lungenspezifische interkurrente klinisch signifikante Erkrankungen, einschließlich, aber nicht beschränkt auf jede zugrunde liegende Lungenerkrankung
o Alle Autoimmun-, Bindegewebs- oder entzündlichen Erkrankungen (z. B. rheumatoide Arthritis, Sjögren-Krankheit, Sarkoidose usw.), bei denen zum Zeitpunkt der Randomisierung eine Lungenbeteiligung dokumentiert ist oder der Verdacht besteht.
o Vorherige Pneumonektomie (vollständig)
Unkontrollierte Infektion, die IV-Antibiotika, Virostatika oder Antimykotika erfordert
17.Aktiver primärer Immundefekt, bekannte Infektion mit dem humanen Immundefizienzvirus (HIV) oder aktive Hepatitis B- oder C-Infektion. Patienten, die positiv für Hepatitis C (HCV)-Antikörper sind, kommen nur infrage, wenn die Polymerase-Kettenreaktion negativ für HCV-RNA ist. Patienten sollten vor der Randomisierung auf HIV getestet werden, wenn dies von den örtlichen Vorschriften oder der Ethikkommission (EK) gefordert wird.
18.Erhalt eines attenuierten Lebendimpfstoffs (mRNA- und replikationsdefiziente adenovirale Impfstoffe gelten nicht als attenuierte Lebendimpfstoffe) innerhalb von 30 Tagen vor der ersten Dosis von Trastuzumab-Deruxtecan oder Carboplatin.
Hinweis: Patienten, sofern sie eingeschrieben sind, sollten während der Studie und bis zu 30 Tage nach der letzten IMP-Dosis keinen Lebendimpfstoff erhalten.
19.Bekannte Allergie oder Überempfindlichkeit gegen das Studienmedikament (T-DXd), die Vergleichsmedikamente (Standardbehandlung) oder einen der Hilfsstoffe des Studienmedikaments oder der Vergleichsmedikamente (Standardbehandlung).
20.Schwere Überempfindlichkeitsreaktionen auf andere monoklonale Antikörper in der Anamnese.
21.Schwangere oder stillende Patientinnen oder Patientinnen, die eine Schwangerschaft planen.

E.5 End points
E.5.1Primary end point(s)
Primary endpoints
The two primary endpoints are as follows:
1. pCR rate after neoadjuvant treatment, defined as ypT0is/ypN0, to be compared between all T-DXd treated patients versus standard-of-care (PAC+T+P or DOC/PAC+Carbo+T+P) (pooled across cohorts)
Hypotheses:
H0: pCR T-DXd = pCR standard-of-care
H1: pCR T-DXd ≠ pCR standard-of-care

2. 3-year distant disease-free survival (dDFS, according to STEEP 2.0 criteria) in T-DXd treated patients (pooled across cohorts)
H0: 3-year dDFS rate in the T-DXd group < 92.0%
H1: 3-year dDFS rate in the T-DXd group ≥ 92.0%
Die beiden primären Endpunkte sind:

1.pCR-Rate nach neoadjuvanter Behandlung, definiert als ypT0is/ypN0, verglichen zwischen allen T-DXd-behandelten Patienten versus standard-of-care behandelte Patienten (PAC+T+P oder PAC/DOC+Carbo+T+P) (gepoolt über beide Kohorten)
2.3-Jahres distant disease-free survival (dDFS, nach STEEP 2.0 Kriterien) in T-DXd-behandelten Patienten (gepoolt über beide Kohorten)
E.5.1.1Timepoint(s) of evaluation of this end point
1. primary endpoint:
- After 12 or 18 weeks of neoadjuvant treatment
2. primary endpoint:
- After 3 years.
1. Primärer Endpunkt:
- nach 12 oder 18 Wochen neoadjuvanter Behandlung
2. Primärer Endpunkt:
- nach 3 Jahren
E.5.2Secondary end point(s)
Secondary endpoints
• Clinical response after 6, 12, and 18 weeks of treatment by treatment and cohort
• 3-year dDFS in patients with pCR after neoadjuvant treatment without further chemotherapy
• pCR rates after different treatment durations (12 versus 18 weeks) to be compared by treatment in pooled cohorts
• interaction between treatment arm and risk cohort
• pCR rates in T-DXd12 weeks versus PAC+T+P in cohort 1
• pCR rates in T-DXd18 weeks versus DOC/PAC+Carbo+T+P in cohort 2
• STEEP 2.0 survival endpoints:
- Invasive disease-free survival (IDFS)
- Overall survival (OS)
- Local recurrence-free survival (LRFS)
- Breast cancer-free survival (BCFS)
- Distant recurrence-free interval (DRFI)
To be compared across T-DXd cohorts versus standard-of-care in pooled cohorts
• Change of health-related quality of life between baseline and after 1 year
•Klinisches Ansprechen nach 6, 12 und 18 Wochen Behandlung nach Behandlung und Kohorte ausgewertet
•33-Jahres dDFS in Patienten mit pCR nach neoadjuvanter Behandlung ohne weitere Chemotherapie
•Vergleich der pCR-Raten nach verschiedenen Behandlungsdauern (12 versus 18 Wochen), nach Behandlungsarm und in gepoolten Kohorten
•Interaction zwischen Behandlungsarm und Risikokohorte
•pCR-Raten unter T-DXd 12 Wochen versus PAC+T+P in Kohorte 1
•pCR-Raten unter T-DXd 18 Wochen versus PAC/DOC+Carbo+T+P in Kohorte 2
•STEEP 2.0 Überlebensendpunkte:
•Invasive disease-free survival (IDFS)
•Overall survival (OS)
•Local recurrence-free survival (LRFS)
•Breast cancer-free survival (BCFS)
•Distant recurrence-free interval (DRFI)
jeweils verglichen über alle T-DXd Kohorten versus standard-of-care in gepoolten Kohorten
•Änderung der gesundheitsbezogenen Lebensqualität zwischen Ausgangspunkt und nach 1 Jahr
E.5.2.1Timepoint(s) of evaluation of this end point
At defined visit points for each patient.

A descriptive interim analysis of safety parameters will be performed after pCR assessment of the first 200
patients.

The final analysis will be done after the study is closed.
Zu definierten Visitenzeitpunkten für jeden Patienten.

Eine deskriptive Zwischenanalyse der Sicherheitsparameter wird nach der pCR-Bewertung der ersten 200
Patienten durchgeführt.

Die abschließende Auswertung wird nach dem Ende der Studie erfolgen
E.6 and E.7 Scope of the trial
E.6Scope of the trial
E.6.1Diagnosis Yes
E.6.2Prophylaxis No
E.6.3Therapy Yes
E.6.4Safety Yes
E.6.5Efficacy Yes
E.6.6Pharmacokinetic No
E.6.7Pharmacodynamic No
E.6.8Bioequivalence No
E.6.9Dose response No
E.6.10Pharmacogenetic No
E.6.11Pharmacogenomic No
E.6.12Pharmacoeconomic No
E.6.13Others No
E.7Trial type and phase
E.7.1Human pharmacology (Phase I) No
E.7.1.1First administration to humans No
E.7.1.2Bioequivalence study No
E.7.1.3Other No
E.7.1.3.1Other trial type description
E.7.2Therapeutic exploratory (Phase II) Yes
E.7.3Therapeutic confirmatory (Phase III) No
E.7.4Therapeutic use (Phase IV) No
E.8 Design of the trial
E.8.1Controlled Yes
E.8.1.1Randomised Yes
E.8.1.2Open Yes
E.8.1.3Single blind No
E.8.1.4Double blind No
E.8.1.5Parallel group No
E.8.1.6Cross over No
E.8.1.7Other No
E.8.2 Comparator of controlled trial
E.8.2.1Other medicinal product(s) Yes
E.8.2.2Placebo No
E.8.2.3Other Yes
E.8.2.3.1Comparator description
Standardbehandlung
standard-of-care treatment (12-weeks PAC+T+P and 18-weeks DOC/PAC+Carbo+T+P)
E.8.2.4Number of treatment arms in the trial4
E.8.3 The trial involves single site in the Member State concerned No
E.8.4 The trial involves multiple sites in the Member State concerned Yes
E.8.4.1Number of sites anticipated in Member State concerned45
E.8.5The trial involves multiple Member States No
E.8.6 Trial involving sites outside the EEA
E.8.6.1Trial being conducted both within and outside the EEA No
E.8.6.2Trial being conducted completely outside of the EEA No
E.8.7Trial has a data monitoring committee Yes
E.8.8 Definition of the end of the trial and justification where it is not the last visit of the last subject undergoing the trial
LVLS
E.8.9 Initial estimate of the duration of the trial
E.8.9.1In the Member State concerned years5
E.8.9.1In the Member State concerned months6
E.8.9.1In the Member State concerned days
F. Population of Trial Subjects
F.1 Age Range
F.1.1Trial has subjects under 18 No
F.1.1.1In Utero No
F.1.1.2Preterm newborn infants (up to gestational age < 37 weeks) No
F.1.1.3Newborns (0-27 days) No
F.1.1.4Infants and toddlers (28 days-23 months) No
F.1.1.5Children (2-11years) No
F.1.1.6Adolescents (12-17 years) No
F.1.2Adults (18-64 years) Yes
F.1.2.1Number of subjects for this age range: 380
F.1.3Elderly (>=65 years) Yes
F.1.3.1Number of subjects for this age range: 22
F.2 Gender
F.2.1Female Yes
F.2.2Male No
F.3 Group of trial subjects
F.3.1Healthy volunteers No
F.3.2Patients Yes
F.3.3Specific vulnerable populations Yes
F.3.3.1Women of childbearing potential not using contraception No
F.3.3.2Women of child-bearing potential using contraception Yes
F.3.3.3Pregnant women No
F.3.3.4Nursing women No
F.3.3.5Emergency situation No
F.3.3.6Subjects incapable of giving consent personally Yes
F.3.3.6.1Details of subjects incapable of giving consent
Eligible patients, who are incapable of giving written IEC-approved informed consent, may only be included in the study after such consent has been provided by a legally acceptable representative of the patient.
F.3.3.7Others No
F.4 Planned number of subjects to be included
F.4.1In the member state402
F.5 Plans for treatment or care after the subject has ended the participation in the trial (if it is different from the expected normal treatment of that condition)
Treatment after completion of or withdrawal from the study will be followed according to local standard of care.
Behandlung nach Ende der Studie oder Zurückziehen aus der Studie wird nach lokaler klinischer Routine erfolgen.
G. Investigator Networks to be involved in the Trial
N. Review by the Competent Authority or Ethics Committee in the country concerned
N.Competent Authority Decision Authorised
N.Date of Competent Authority Decision2023-05-04
N.Ethics Committee Opinion of the trial applicationFavourable
N.Ethics Committee Opinion: Reason(s) for unfavourable opinion
N.Date of Ethics Committee Opinion2023-02-09
P. End of Trial
P.End of Trial StatusOngoing
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