Clinical trial • Phase III • Oncology

TRASTUZUMAB DERUXTECAN for HER2-positive early-stage breast cancer

Phase III trial of TRASTUZUMAB DERUXTECAN for HER2-positive early-stage breast cancer.

Overview

Trial Therapeutic Area
Oncology
Trial Disease
HER2-positive early-stage breast cancer
Trial Stage
Phase III
Drug Modality
ADC|Monoclonal antibody|Small molecule

Key dates

Initial CTIS Submission Date
20-08-2024
First CTIS Authorization Date
01-10-2024

Trial design

Randomised, open-label, ddac-thp (doxorubicin and cyclophosphamide, followed by thp). dose and schedule not specified in the available source.-controlled Phase III trial across 35 sites in Germany, Poland, Italy and others.

Randomised
Yes
Open Label
Yes
Comparator
ddAC-THP (doxorubicin and cyclophosphamide, followed by THP). Dose and schedule not specified in the available source.
Target Sample Size
630

Eligibility

Recruits 630 adults.

Inclusion criteria

  • {"criterion_text":"- Patients must be at least 18 years of age.\n- Histologically documented HER2-positive EBC participants with: (a) Locally assessed HER2-positive (IHC 3+ or ISH+) according to ASCO-CAP guidelines and prospectively centrally confirmed as HER2 positive based on a tumour sample (b) Unifocal and multifocal tumours (> 1 tumour confined to the same quadrant as the primary tumour) must have 1 focus sampled and centrally confirmed as HER2 positive (c) Multi-centric tumours (multiple tumours involving > 1 quadrant of the breast) must have 1 lesion from each involved quadrant sampled and centrally confirmed as HER2 positive. All quadrants tested must be centrally confirmed as HER2 positive (d) Tumours documented as HR-positive (either ER and/or PgR positive [ER or PgR ≥ 1%]) or HR-negative (ER and PgR negative) by local assessment per ASCO-CAP guidelines (Allison et al 2020) (e) Clinical stage at presentation (based on mammogram or breast MRI assessment): T0-4 (inclusive of inflammatory breast cancer), N1-3, M0 or ≥ T3, N0, M0 as determined by the AJCC staging system, 8th edition (Hortobagyi et al 2017) (f) Pathologic confirmation of nodal involvement with malignancy as determined by fine-needle aspiration or core-needle biopsy, when applicable.\n- FFPE tissue block (2 cores) or 20 freshly-cut, serial tumor slides for HER2 assessment by central lab. If blocks are incomplete or fewer than 20 slides are available, participants may be eligible following discussion with the AstraZeneca Study Physician​\n- ECOG performance status of 0 or 1 at randomization\n- Adequate organ and bone marrow function\n- LVEF ≥ 50% within 28 days before randomization"}

Exclusion criteria

  • {"criterion_text":"- Prior history of invasive breast cancer\n- Lung-specific intercurrent clinically significant illnesses including, but not limited to, any pulmonary disorder\n- Investigator judgement of 1 or more of the following:​ (a) Mean resting corrected QTcF interval of >470 ms (females) or >450 ms (males)​ (b) History of QT prolongation associated with other medications that required discontinuation of that medication or any medication known to prolong QT interval and cause TdP.​ (c) Congenital long QT syndrome, family history of long QT syndrome or unexplained death under 40 years in first degree relatives\n- History of arrhythmia, symptomatic or uncontrolled atrial fibrillation or asymptomatic sustained ventricular tachycardia\n- Any primary malignancy within 3 years, except adequately resected non-melanoma skin cancer, or curatively treated in situ disease Note: This includes a second current breast primary malignancy (ie, bilateral breast cancer)\n- History of DCIS, except for participants treated with mastectomy only > 5 years prior to current diagnosis\n- Prior sentinel lymph node biopsy or axillary lymph node dissection before initiation of neoadjuvant treatment\n- Prior systemic therapy for the treatment of breast cancer\n- Previous treatment with anthracyclines, cyclophosphamide or taxanes for any malignancy; cyclophosphamide allowed for non-cancer treatment if last dose > 6 months\n- Ineligible for any medication in the control Arm C\n- Any concurrent anticancer treatment\n- 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"}

Endpoints

Primary endpoints

  • {"endpoint_text":"- pCR (ypT0/Tis ypN0): Rate of pCR is defined as the proportion of participants who have no evidence by H&E staining of residual invasive disease in the complete resected breast specimen and all sampled regional lymph nodes (ypT0/Tis ypN0) by central evaluation following completion of neoadjuvant therapy.","definition_or_measurement_approach":"Rate of pCR is defined as the proportion of participants who have no evidence by H&E staining of residual invasive disease in the complete resected breast specimen and all sampled regional lymph nodes (ypT0/Tis ypN0) by central evaluation following completion of neoadjuvant therapy."}

Secondary endpoints

  • {"endpoint_text":"- pCR (ypT0 ypN0): Rate of pCR is defined as the proportion of participants who have no evidence by H&E staining of residual invasive disease and in situ cancer in the complete resected breast specimen and all sampled regional lymph nodes (ypT0 ypN0) following completion of neoadjuvant therapy.","definition_or_measurement_approach":"Rate of pCR defined as proportion with no evidence by H&E staining of residual invasive disease and in situ cancer in resected breast specimen and sampled regional lymph nodes (ypT0 ypN0) after neoadjuvant therapy."}
  • {"endpoint_text":"- EFS","definition_or_measurement_approach":"Event-free survival (EFS) as specified in protocol (3-year EFS assessed as a secondary objective)."}
  • {"endpoint_text":"- IDFS","definition_or_measurement_approach":"Invasive-disease free survival (IDFS) as specified in protocol (3-year IDFS assessed as a secondary objective)."}
  • {"endpoint_text":"- OS","definition_or_measurement_approach":"Overall survival (OS) as specified in protocol."}
  • {"endpoint_text":"- HRQoL: Symptomatic AEs assessed by the PRO-CTCAE and items from the EORTC Item Library. Overall side-effect bother measured by PGI-TT at each time point in each treatment arm. Physical function assessed by the EORTC QLQ-C30 Physical Function Scale.","definition_or_measurement_approach":"Symptomatic adverse events assessed by PRO-CTCAE and EORTC items; PGI-TT used to measure overall side-effect bother; EORTC QLQ-C30 Physical Function Scale for physical function."}
  • {"endpoint_text":"- Safety and Tolerability: Occurrence of AEs, SAEs and changes from baseline in vital signs, clinical laboratory results, ECGs, and ECHO/MUGA. Heart failure evaluated by the percentage of participants with NYHA Class III and IV heart failure. Decreases in LVEF (requires at least 2 consecutive readings of decline) by percentage of participants with decreases in LVEF of at least 10 points from baseline and to below 50%.","definition_or_measurement_approach":"Safety assessed by occurrence of AEs/SAEs and changes from baseline in vital signs, labs, ECGs, ECHO/MUGA; heart failure by NYHA Class III/IV percentage; LVEF decreases defined as ≥10 point decline and to below 50% (requires ≥2 consecutive readings)."}
  • {"endpoint_text":"- PK of T-DXd: Serum concentration of T-DXd, anti-HER2 antibody, and DXd.","definition_or_measurement_approach":"Pharmacokinetics measured by serum concentrations of T-DXd, anti-HER2 antibody, and DXd."}
  • {"endpoint_text":"- Immunogenicity for T-DXd: Number and percentage of participants who develop ADAs for T-DXd.","definition_or_measurement_approach":"Immunogenicity assessed by number and percentage of participants developing anti-drug antibodies (ADAs) to T-DXd."}

Recruitment

Planned Sample Size
630
Recruitment Window Months
66
Consent Approach
Informed consent obtained from adult participants (participants must be at least 18 years of age). Subject information and informed consent forms are provided for publication in multiple languages (documents include country/language-specific ICFs: Polish, Italian, Spanish, German, and English lay synopsis/I CF documents are listed). An eConsent document is listed for Italy. No information on assent processes (not applicable as study enrolls adults only).

Geography

Total Number Of Sites
35
Total Number Of Participants
280

Germany

Latest Decision Or Authorization Date
28-01-2025
Number Of Sites
12
Number Of Participants
54

Sites

Site Name
Mammazentrum Hamburg MVZ GbR
Department Name
Mammazentrum
Contact Person Name
Christian Schem
Contact Person Email
schem@mammazentrum.eu
Site Name
Universitaetsklinikum Augsburg
Department Name
Frauenklinik
Contact Person Name
Nina Ditsch
Contact Person Email
nina.ditsch@uk-augsburg.de
Site Name
St. Vincenz-Krankenhaus GmbH
Department Name
Klinik für Gynäkologie und Geburtshilfe; Kooperatives Brustzentrum Paderborn Gyn. Krebszentrum
Contact Person Name
Michael Patrick Lux
Contact Person Email
M.Lux@vincenz.de
Site Name
Universitaetsklinikum Tuebingen AöR
Department Name
Department für Frauengesundheit
Contact Person Name
Andreas Hartkopf
Site Name
National Center For Tumor Diseases (NCT) Heidelberg
Department Name
Nationales Centrum für Tumorerkrankungen Heidelberg
Contact Person Name
Andreas Schneeweiss
Site Name
Klinikum der Universitaet Muenchen AöR
Department Name
Klinik und Poliklinik für Frauenheilkunde und Geburtshilfe
Contact Person Name
Nadia Harbeck
Site Name
Universitaetsklinikum Leipzig AöR
Department Name
Klinik und Poliklinik für Frauenheilkunde
Contact Person Name
Bahriye Aktas
Site Name
Charite Universitaetsmedizin Berlin KöR
Department Name
Klinik für Gynäkologie mit Brustzentrum
Principal Investigator Name
Caroline Neeb
Principal Investigator Email
Caroline.neeb@charite.de
Contact Person Name
Caroline Neeb
Contact Person Email
Caroline.neeb@charite.de
Site Name
Universitaetsklinikum Erlangen AöR
Department Name
Frauenklinik
Contact Person Name
Peter Fasching
Site Name
Brustzentrum Rhein-Ruhr Servicegesellschaft mbH
Department Name
Brustzentrum Niederrhein
Principal Investigator Name
Iris Scheffen
Principal Investigator Email
Iris.Scheffen@mg.johanniter-kliniken.de
Contact Person Name
Iris Scheffen
Site Name
Universitaetsklinikum Schleswig-Holstein AöR
Department Name
Klinik für Gynäkologie und Geburtshilfe
Principal Investigator Name
Marion von Mackelenbergh
Principal Investigator Email
MarionTina.vanMackelenbergh@uksh.de
Contact Person Name
Marion von Mackelenbergh
Site Name
Universitaet Muenster
Department Name
Klinik und Poliklinik für Frauenheilkunde und Geburtshilfe - Senologie
Principal Investigator Name
Joke Tio
Principal Investigator Email
joke.tio@ukmuenster.de
Contact Person Name
Joke Tio
Contact Person Email
joke.tio@ukmuenster.de

Poland

Latest Decision Or Authorization Date
29-01-2025
Number Of Sites
5
Number Of Participants
68

Sites

Site Name
Wojewodzki Szpital Specjalistyczny W Bialej Podlaskiej
Principal Investigator Name
Piotr Centkowski
Principal Investigator Email
pcentek@wp.pl
Contact Person Name
Piotr Centkowski
Contact Person Email
pcentek@wp.pl
Site Name
Bialostockie Centrum Onkologii Im. Marii Sklodowskiej-Curie W Bialymstoku
Principal Investigator Name
Bogumiła Czartoryska-Arlukowicz
Principal Investigator Email
barlukowicz@poczta.onet.pl
Contact Person Name
Bogumiła Czartoryska-Arlukowicz
Contact Person Email
barlukowicz@poczta.onet.pl
Site Name
Centrum Onkologii Im. Prof. Franciszka Lukaszczyka W Bydgoszczy
Department Name
Oddzial Chemioterapii
Principal Investigator Name
Bogdan Zurawski
Principal Investigator Email
zurawskib@co.bydgoszcz.pl
Contact Person Name
Bogdan Zurawski
Contact Person Email
zurawskib@co.bydgoszcz.pl
Site Name
Narodowy Instytut Onkologii Im. Marii Sklodowskiej-Curie Panstwowy Instytut Badawczy
Department Name
Klinika Nowotworow Piersi i Chirurgii Rekonstrukcyjnej
Principal Investigator Name
Zbigniew Nowecki
Principal Investigator Email
zbigniew.nowecki@nio.gov.pl
Contact Person Name
Zbigniew Nowecki
Contact Person Email
zbigniew.nowecki@nio.gov.pl
Site Name
Centrum Onkologii Ziemi Lubelskiej Im. Sw. Jana Z Dukli
Principal Investigator Name
Aneta Dobrzynska-Rutkowska
Principal Investigator Email
aneta.rut77@gmail.com
Contact Person Name
Aneta Dobrzynska-Rutkowska
Contact Person Email
aneta.rut77@gmail.com

Italy

Latest Decision Or Authorization Date
28-01-2025
Number Of Sites
10
Number Of Participants
94

Sites

Site Name
Azienda Ospedaliero-Universitaria Di Bologna IRCCS Istituto Di Ricerca E Di Cura A Carattere Scientifico
Department Name
Oncologia Medica
Principal Investigator Name
Claudio Zamagni
Principal Investigator Email
zamagniclaudio.sper@aosp.bo.it
Contact Person Name
Claudio Zamagni
Contact Person Email
zamagniclaudio.sper@aosp.bo.it
Site Name
Fondazione Policlinico Universitario Agostino Gemelli IRCCS
Department Name
Medicina di precisione in senologia
Principal Investigator Name
Alessandra Fabi
Principal Investigator Email
alessandra.fabi@virgilio.it
Contact Person Name
Alessandra Fabi
Contact Person Email
alessandra.fabi@virgilio.it
Site Name
Ospedale San Raffaele S.r.l.
Department Name
Oncologia Medica
Principal Investigator Name
Giampaolo Bianchini
Principal Investigator Email
bianchini.giampaolo@hsr.it
Contact Person Name
Giampaolo Bianchini
Contact Person Email
bianchini.giampaolo@hsr.it
Site Name
IRCCS Ospedale Sacro Cuore Don Calabria
Department Name
Oncologia Medica
Principal Investigator Name
Stefania Gori
Principal Investigator Email
stefania.gori@sacrocuore.it
Contact Person Name
Stefania Gori
Contact Person Email
stefania.gori@sacrocuore.it
Site Name
Istituto Di Candiolo Fondazione Del Piemonte Per L'Oncologia IRCCS
Department Name
Oncologia Medica
Principal Investigator Name
Vanessa Gregorc
Principal Investigator Email
vanesa.gregorc@ircc.it
Contact Person Name
Vanessa Gregorc
Contact Person Email
vanesa.gregorc@ircc.it
Site Name
Azienda Unita' Sanitaria Locale Toscana Nord Ovest
Department Name
Oncologia Medica
Principal Investigator Name
Luigi Coltelli
Principal Investigator Email
Luigi.coltelli@uslnordovest.toscana.it
Contact Person Name
Luigi Coltelli
Site Name
Humanitas Mirasole S.p.A.
Department Name
Oncologia Medica ed Ematologia
Principal Investigator Name
Armando Santoro
Principal Investigator Email
armando.santoro@cancercenter.humanitas.it
Contact Person Name
Armando Santoro
Site Name
IRCCS Istituto Nazionale Tumori Fondazione Pascale
Department Name
Oncologia Medica
Principal Investigator Name
Michelino De Laurentiis
Principal Investigator Email
m.delaurentiis@istitutotumori.na.it
Contact Person Name
Michelino De Laurentiis
Site Name
Istituto Oncologico Veneto
Department Name
Oncologia Medica
Principal Investigator Name
Valentina Guarneri
Principal Investigator Email
valentina.guarneri@iov.veneto.it
Contact Person Name
Valentina Guarneri
Site Name
Azienda Ospedaliera Universitaria Federico II Di Napoli
Department Name
Oncologia Medica
Principal Investigator Name
Grazia Arpino
Principal Investigator Email
grazia.arpino@unina.it
Contact Person Name
Grazia Arpino
Contact Person Email
grazia.arpino@unina.it

Spain

Latest Decision Or Authorization Date
13-02-2025
Number Of Sites
8
Number Of Participants
64

Sites

Site Name
University Hospital Virgen Del Rocio S.L.
Department Name
Servicio de Oncología
Principal Investigator Name
Manuel Ruiz Borrego
Principal Investigator Email
ruizsabater@gmail.com
Contact Person Name
Manuel Ruiz Borrego
Contact Person Email
ruizsabater@gmail.com
Site Name
Hospital Universitari Vall D Hebron
Department Name
Servicio de Oncología
Principal Investigator Name
Santiago Ignacio Escriva de Romani Muñoz
Principal Investigator Email
sescriva@vhio.net
Contact Person Name
Santiago Ignacio Escriva de Romani Muñoz
Contact Person Email
sescriva@vhio.net
Site Name
Hospital Universitari Dexeus Grupo Quironsalud
Department Name
Servicio de Oncología
Principal Investigator Name
Alejandro Martinez Bueno
Principal Investigator Email
amartinez@oncorosell.com
Contact Person Name
Alejandro Martinez Bueno
Contact Person Email
amartinez@oncorosell.com
Site Name
Hospital Alvaro Cunqueiro
Department Name
Servicio de Oncología
Principal Investigator Name
Isabel Lorenzo Lorenzo
Principal Investigator Email
isabel.lorenzo.lorenzo@sergas.es
Contact Person Name
Isabel Lorenzo Lorenzo
Site Name
Hospital Clinico San Carlos
Department Name
Servicio de Oncología
Principal Investigator Name
Jose Angel Garcia Saenz
Principal Investigator Email
jgsaenz@salud.madrid.org
Contact Person Name
Jose Angel Garcia Saenz
Contact Person Email
jgsaenz@salud.madrid.org
Site Name
Hospital General Universitario Gregorio Maranon
Department Name
Servicio de Oncología
Principal Investigator Name
Miguel Martin Jimenez
Principal Investigator Email
mmartin@geicam.org
Contact Person Name
Miguel Martin Jimenez
Contact Person Email
mmartin@geicam.org
Site Name
Hospital Universitario Virgen Del Rocio S.L. (duplicate entry in record)
Department Name
Servicio de Oncología
Principal Investigator Name
Manuel Ruiz Borrego
Principal Investigator Email
ruizsabater@gmail.com
Contact Person Name
Manuel Ruiz Borrego
Contact Person Email
ruizsabater@gmail.com
Site Name
Hospital Universitari Vall D Hebron (duplicate entry in record)
Department Name
Servicio de Oncología
Principal Investigator Name
Santiago Ignacio Escriva de Romani Muñoz
Principal Investigator Email
sescriva@vhio.net
Contact Person Name
Santiago Ignacio Escriva de Romani Muñoz
Contact Person Email
sescriva@vhio.net

Sponsor

Primary sponsor

Full Name
AstraZeneca AB
Organisation Type
Pharmaceutical company
Country Of Registered Address
Sweden

Investigational products

Investigational Product Name
DS-8201a
Active Substance
TRASTUZUMAB DERUXTECAN
Modality
ADC
Routes Of Administration
INTRAVENOUS
Route
INTRAVENOUS
Authorisation Status
PRD5308994
Investigational Product Name
Herzuma 150 mg powder for concentrate for solution for infusion
Active Substance
TRASTUZUMAB
Modality
Monoclonal antibody
Routes Of Administration
INTRAVENOUS
Route
INTRAVENOUS
Authorisation Status
EU/1/17/1257/001
Investigational Product Name
Herzuma 420 mg powder for concentrate for solution for infusion
Active Substance
TRASTUZUMAB
Modality
Monoclonal antibody
Routes Of Administration
INTRAVENOUS
Route
INTRAVENOUS
Authorisation Status
PRD6684811
Investigational Product Name
Perjeta 420 mg concentrate for solution for infusion
Active Substance
PERTUZUMAB
Modality
Monoclonal antibody
Routes Of Administration
INTRAVENOUS
Route
INTRAVENOUS
Authorisation Status
EU/1/13/813/001
Investigational Product Name
PACLITAXEL
Active Substance
PACLITAXEL
Modality
Small molecule
Routes Of Administration
INTRAVENOUS
Route
INTRAVENOUS
Investigational Product Name
CYCLOPHOSPHAMIDE
Active Substance
CYCLOPHOSPHAMIDE
Modality
Small molecule
Routes Of Administration
INTRAVENOUS
Route
INTRAVENOUS
Investigational Product Name
DOXORUBICIN
Active Substance
DOXORUBICIN
Modality
Small molecule
Routes Of Administration
INTRAVENOUS
Route
INTRAVENOUS
Combination Treatment
Yes

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