Overview
Sponsor-declared trial summary
breast cancer, HER2-positive, oligometastatic disease
To determine the clinical efficacy of T-DXd as part of multi-modality treatment in patients with HER2-positive oligo-metastatic breast cancer.
Key facts
- Sponsor
- Stichting Het Nederlands Kanker Instituut-Antoni van Leeuwenhoek Ziekenhuis
- Participant type
- Patients
- Age range
- 18-64 years, 65+ years
- Gender
- Male and Female
- Therapeutic area
- Diseases [C] - Neoplasms [C04]
- Trial duration
- 2 May 2024 → ongoing
- Decision date (initial)
- 2025-10-03
- Transition trial
- No
- Low-intervention
- No
- Rare-disease indication
- No
- Vulnerable population
- No
- Funding sources
- AstraZeneca/ Daiichi Sankyo
External identifiers
- EU CT number
- 2023-505039-11-00
- ClinicalTrials.gov
- NCT05982678
Trial design
CTIS Part I — objectives, methods, condition coding
Main objective
Scope: Safety, Efficacy, Therapy
To determine the clinical efficacy of T-DXd as part of multi-modality treatment in patients with HER2-positive oligo-metastatic breast cancer.
Secondary objectives 2
- To determine the efficacy of T-DXd as part of multi-modality treatment in patients with HER2-positive oligo-metastatic breast cancer in achieving a clinical response along with clearance of ctDNA.
- To evaluate feasibility, safety and tolerability of T-DXD as part of a multi-modality approach.
Conditions and MedDRA coding
breast cancer, HER2-positive, oligometastatic disease
| Version | Level | Code | Term | System organ class |
|---|---|---|---|---|
| 20.1 | PT | 10055113 | Breast cancer metastatic | 100000004864 |
| 23.0 | PT | 10065430 | HER2 positive breast cancer | 100000004864 |
Eligibility criteria
Principal inclusion / exclusion criteria as submitted by sponsor
Inclusion criteria 8
- Histologic proof of infiltrating HER2-positive breast cancer (as determined by IHC 3+ and/or amplification by ISH)
- Histologic or cytologic proof of breast cancer metastases (at least one lesion)
- Histologic determination of level of ER-expression
- Oligo-metastatic disease as determined by standard of care diagnostics. The number of total individual distant metastases is limited to five, either in one organ or in 2-5 organ systems. Clustered lymph nodes that can be irradiated with curative intent in a single field are defined as single lesion. Pleuritis carcinomatosa, miliary spread of metastases (even within one organ), or peritoneal spread of metastases rules out oligo-metastatic disease and is not allowed. Initial staging by PET-CT (whole body) and MRI of breast and brain are mandatory, as is MRI liver or spine and pelvis in case of liver or bone metastases respectively.
- In case of recurrent disease, a disease-free interval of 24 months
- Measurable disease according to RECIST1.1
- Patients must be at least 18 years of age and be able to give written informed consent and comply with study procedures.
- World Health Organization (WHO) performance status 0 or 1
Exclusion criteria 5
- Prior line of therapy for metastatic disease. Exceptions are endocrine therapy or radiation considered to be part of the curative treatment, within 3 months before enrolment
- Leptomeningeal disease or central nervous metastases
- Clinically relevant obstruction or compression of spinal cord, central nervous, gastro-intestinal or cardiovascular system, that cannot be alleviated before start of treatment.
- Other malignancy, unless treated with curative intention and a long-term survival probability of >95%, including in-situ or pre-malignant lesions.
- Current or planned pregnancy nor ova or sperm donation and willingness to stop breastfeeding during treatment and wash-out period of the investigational product
Endpoints
Primary and secondary outcome measures (English text)
Primary endpoints 1
- Complete radiologic response as defined by RECIST1.1
Secondary endpoints 7
- Complete radiologic response as defined by RECIST1.1 along with clearance of ctDNA
- PFS as defined by RECIST 1.1.
- Pathological complete response in patients undergoing resection of primary tumor and/or metastatic lesions after neo-adjuvant treatment
- Complete metabolic response as defined by EORTC guidelines
- Preplanned loco-regional treatment performed without treatment related delay (window of 3 weeks)
- Incidence and severity of adverse events (CTCAE v5.0) until 30 days after last treatment administration. Incidence and severity of interstitial lung disease (ILD)
- Incidence and severity of adverse events grade ≥3 (CTCAE v5.0 or Clavien-Dindo in case of surgical resection) until 30 days after last treatment administration in relation to local therapy
Investigational products
Investigational medicinal products (IMPs), comparators, placebo, auxiliary
Test 1
PRD5308994 · Product
- Active substance
- Trastuzumab Deruxtecan
- Pharmaceutical form
- SOLUTION FOR INFUSION
- Route of administration
- INTRAVENOUS INFUSION
- Max daily dose
- 5.4 mg/kg milligram(s)/kilogram
- Max total dose
- 5.4 mg/kg milligram(s)/kilogram
- Max treatment duration
- 12 Month(s)
- Authorisation status
- Not Authorised
- MA holder
- DAIICHI SANKYO, INC.
- Paediatric formulation
- No
- Orphan designation
- No
Sponsors and contacts
Sponsor organisations, regulatory contacts, third parties
Stichting Het Nederlands Kanker Instituut-Antoni van Leeuwenhoek Ziekenhuis
- Sponsor organisation
- Stichting Het Nederlands Kanker Instituut-Antoni van Leeuwenhoek Ziekenhuis
- Address
- Plesmanlaan 121
- City
- Amsterdam
- Postcode
- 1066 CX
- Country
- Netherlands
Scientific contact point
- Organisation
- Stichting Het Nederlands Kanker Instituut-Antoni van Leeuwenhoek Ziekenhuis
- Contact name
- Marleen Kok
Public contact point
- Organisation
- Stichting Het Nederlands Kanker Instituut-Antoni van Leeuwenhoek Ziekenhuis
- Contact name
- Marleen Kok
Locations
5 EU/EEA countries · 5 investigational sites
By country
| Country | MS status | Planned subjects | Sites |
|---|---|---|---|
| France | Authorised, recruitment pending | 10 | 1 |
| Italy | Authorised, recruitment pending | 10 | 1 |
| Netherlands | Ongoing, recruiting | 72 | 1 |
| Spain | Authorised, recruitment pending | 10 | 1 |
| Sweden | Authorised, recruitment pending | 10 | 1 |
| Rest of world | — | 0 | — |
Investigational sites
Country notifications
Trial-start, recruitment-start, end and early-termination notifications submitted per Member State
| Country | Trial start | Trial end | Recruitment start | Recruitment end | Early termination |
|---|---|---|---|---|---|
| Netherlands | 2024-05-02 | 2024-08-20 |
Results and documents
Annex IV summary of results, Annex V layperson summary, and all documents registered in CTIS for this trial
Documents 17 files
Public protocol annexes, IB summaries, regulatory submissions and post-authorisation documents registered in CTIS.
| Type | Title | Version |
|---|---|---|
| Protocol (for publication) | D1 Protocol 2023-505039-11-00_M22BOL | 1.4 |
| Recruitment arrangements (for publication) | K1 Recruitment arrangements_M22BOL_2023-505039-11-00 | 1 |
| Recruitment arrangements (for publication) | K1_Recruitment arrangements | 1 |
| Recruitment arrangements (for publication) | K1_recruitment arrangements 2023-505039-11-00 | 1 |
| Recruitment arrangements (for publication) | K1_Recruitment Procedure_FR_ANISE | 2 |
| Recruitment arrangements (for publication) | K1_Swedish_forfarande-for-rekrytering-och-samtyckesprocess | 1 |
| Recruitment arrangements (for publication) | K2_Document Additionnel_ANISE | 1 |
| Subject information and informed consent form (for publication) | L1 SIS and ICF_M22BOL Part 1_2023-505039-11-00_redacted | 3.2 |
| Subject information and informed consent form (for publication) | L1_ANISE_2023-505039-11-00_Informativa_consenso_privacy_adulti | 1 |
| Subject information and informed consent form (for publication) | L1_ANISE_2023-505039-11-00_Modulo_consenso_adulti | 1 |
| Subject information and informed consent form (for publication) | L1_Forskningspersonsinformation_ANISE_SWEDEN | 4.0 |
| Subject information and informed consent form (for publication) | L1_SIS and ICF_ES | 3.2 |
| Subject information and informed consent form (for publication) | L1_SIS and ICF_M22BOL Part 1_2023-505039-11-00_FRANCE | 2.0 |
| Subject information and informed consent form (for publication) | L1_SIS and ICF_M22BOL Part 1_2023-505039-11-00_Italy | 1.0 |
| Summary of Product Characteristics (SmPC) (for publication) | Referral document SmPC_M22BOL_2023-505039-11-00 | 1 |
| Synopsis of the protocol (for publication) | D1 Protocol synopsis_ENG_M22BOL_2023-505039-11-00 | 3.0 |
| Synopsis of the protocol (for publication) | D1 Protocol synopsis_NL_M22BOL_2023-505039-11-00 | 3.0 |
Application history
7 submissions — initial application plus substantial / non-substantial modifications
| # | Type | Code | Submitted | Reference MS | Conclusion | Decision date |
|---|---|---|---|---|---|---|
| 1 | INITIAL | IN | 2023-07-31 | Netherlands | Acceptable 2023-11-13
|
2023-11-13 |
| 2 | SUBSTANTIAL MODIFICATION | SM-1 | 2024-02-16 | Netherlands | Acceptable 2024-04-17
|
2024-04-18 |
| 3 | SUBSTANTIAL MODIFICATION | SM-2 | 2025-01-30 | Netherlands | Acceptable 2025-03-13
|
2025-03-13 |
| 4 | SUBSEQUENT ADDITION OF MSC | APP-4 | 2025-08-14 | Acceptable 2025-03-13
|
2025-10-03 | |
| 5 | SUBSEQUENT ADDITION OF MSC | APP-5 | 2025-08-14 | 2025-11-07 | ||
| 6 | SUBSEQUENT ADDITION OF MSC | APP-6 | 2025-08-14 | Acceptable 2025-03-13
|
2025-11-04 | |
| 7 | SUBSEQUENT ADDITION OF MSC | APP-7 | 2025-08-14 | 2025-10-30 |