Overview
Sponsor-declared trial summary
Diffuse large B-cell lymphoma (DLBCL)
1. To evaluate the safety and tolerability and to establish a RP2D of zilovertamab vedotin when used in combination with R-CHP. 2. To evaluate zilovertamab vedotin at the RP2D in combination with R-CHP with respect to complete response rate per Lugano response as assessed by the investigator.
Key facts
- Sponsor
- Merck Sharp & Dohme LLC
- Participant type
- Patients
- Age range
- 18-64 years, 65+ years
- Gender
- Male and Female
- Therapeutic area
- Diseases [C] - Neoplasms [C04]
- Trial duration
- 10 Aug 2022 → ongoing
- Decision date (initial)
- 2023-04-03
- Transition trial
- Yes
- Low-intervention
- No
- Rare-disease indication
- No
- Vulnerable population
- Yes
- Funding sources
- Merck Sharp & Dohme LLC
External identifiers
- EU CT number
- 2022-501380-40-00
- EudraCT number
- 2021-005861-41
- WHO UTN
- U1111-1280-2348
- ClinicalTrials.gov
- NCT05406401
Trial design
CTIS Part I — objectives, methods, condition coding
Main objective
Scope: Pharmacokinetic, Pharmacogenomic, Safety, Therapy, Pharmacodynamic, Dose response, Pharmacogenetic, Efficacy
1. To evaluate the safety and tolerability and to establish a RP2D of zilovertamab vedotin when used in combination with R-CHP.
2. To evaluate zilovertamab vedotin at the RP2D in combination with R-CHP with respect to complete response rate per Lugano response as assessed by the investigator.
Secondary objectives 2
- To evaluate zilovertamab vedotin at the RP2D in combination with R-CHP with respect to ORR per Lugano response criteria as assessed by the investigator.
- To evaluate zilovertamab vedotin at the RP2D in combination with R-CHP with respect to DOR per Lugano response criteria as assessed by the investigator.
Conditions and MedDRA coding
Diffuse large B-cell lymphoma (DLBCL)
| Version | Level | Code | Term | System organ class |
|---|---|---|---|---|
| 21.0 | LLT | 10012855 | Diffuse large cell lymphoma (Diffuse large B-cell lymphoma) (Working Formulation) | 10029104 |
Study design 1 period
| # | Title | Allocation | Blinding | Roles blinded | Arms |
|---|---|---|---|---|---|
| 1 | Dose Escalation Part 1 The dose escalation/confirmation phase is to determine the safety and tolerability and establish a preliminary recommended Phase 2 dose (RP2D) of zilovertamab vedotin when administered in combination with R-CHP in participants with DLBCL who have received no prior treatment for their disease.
|
Not Applicable | None | Different dose levels of zilovertamab vedotin + R-CHP: Zilovertamab dose levels are: • DL-1: 1.5 mg/kg • DL0: 1.75 mg/kg • DL1: 2.0 mg/kg • DL2: 2.25 mg/kg |
Eligibility criteria
Principal inclusion / exclusion criteria as submitted by sponsor
Inclusion criteria 4
- Has histologically confirmed diagnosis of diffuse large B-cell lymphoma (DLBCL) by prior biopsy
- Has positron emission tomography (PET)-positive disease verified by blinded independent central review (BICR) at screening, defined as 4-5 on the Lugano response criteria 5-point scale
- Has received no prior treatment for DLBCL
- Has an Eastern Cooperative Oncology Group (ECOG) performance status of 0 to 1 assessed within 7 days prior to the start of study intervention
Exclusion criteria 18
- Has a history of transformation of indolent disease to DLBCL
- Has received solid organ transplant at any time
- Has received a diagnosis of primary mediastinal B-cell lymphoma (PMBCL)
- Has clinically significant (ie, active) cardiovascular disease: cerebral vascular accident/stroke (<6 months prior to enrollment), myocardial infarction (<6 months prior to enrollment), unstable angina, congestive heart failure (New York Heart Association Classification Class ≥II), or serious cardiac arrhythmia requiring medication
- Has pericardial effusion or clinically significant pleural effusion
- Has ongoing Grade >1 peripheral neuropathy
- Has a demyelinating form of Charcot-Marie-Tooth disease
- History of a second malignancy unless potentially curative treatment has been completed with no evidence of malignancy for 2 years with the exception of participants who underwent successful definitive resection of basal cell carcinoma of the skin, squamous-cell carcinoma of the skin, or carcinoma in situ, excluding carcinoma in situ of the bladder
- Has received prior radiotherapy within 28 days of start of study intervention
- Has ongoing corticosteroid therapy (exceeding 30 mg daily of prednisone equivalent)
- Has received a live or live-attenuated vaccine within 30 days before the first dose of study intervention
- Has received a strong inhibitor or inducer of CYP3A4 (including itraconazole, ketoconazole, posaconazole, or voriconazole) within 7 days prior to the start of study intervention or expected requirement for chronic use of a strong CYP3A4 inhibitor until <30 days after the last dose
- Is currently participating in or has participated in a study of an investigational agent or has used an investigational device within 28 days before the first dose of study intervention
- Has known active central nervous system (CNS) lymphoma
- Has an active infection requiring systemic therapy
- Has a known history of human immunodeficiency virus (HIV) infection
- Has a known active hepatitis C virus infection
- Has a known active hepatitis B virus infection
Endpoints
Primary and secondary outcome measures (English text)
Primary endpoints 4
- Number of Participants Who Experienced Dose-limiting Toxicities (DLTs) in Cycle 1
- Number of Participants Who Experienced At Least One Adverse Event (AE)
- Number of Participants Who Discontinued Study Treatment Due to an Adverse Event (AE)
- Complete Response Rate (CRR) per Lugano Response Criteria
Secondary endpoints 2
- Objective Response Rate (ORR) per Lugano Response Criteria
- Duration of Response (DOR) per Lugano Response Criteria
Investigational products
Investigational medicinal products (IMPs), comparators, placebo, auxiliary
Test 9
SUB06391MIG · Substance
- Active substance
- Doxorubicin
- Pharmaceutical form
- CONCENTRATE FOR SOLUTION FOR INFUSION
- Route of administration
- INTRAVENOUS INFUSION
- Max daily dose
- 50 mg/m2 milligram(s)/sq. meter
- Max total dose
- 400 mg/m2 milligram(s)/sq. meter
- Max treatment duration
- 24 Week(s)
- Authorisation status
- Authorised
- ATC code
- - — -
- Marketing authorisation
- -
- Paediatric formulation
- No
- Orphan designation
- No
- Modified vs. Marketing Authorisation
- No
SUB06859MIG · Substance
- Active substance
- Cyclophosphamide
- Pharmaceutical form
- POWDER FOR SOLUTION FOR INJECTION
- Route of administration
- INTRAVENOUS INFUSION
- Max daily dose
- 750 mg/m2 milligram(s)/sq. meter
- Max total dose
- 6000 mg/m2 milligram(s)/sq. meter
- Max treatment duration
- 24 Week(s)
- Authorisation status
- Authorised
- ATC code
- - — -
- Marketing authorisation
- -
- Paediatric formulation
- No
- Orphan designation
- No
- Modified vs. Marketing Authorisation
- No
SUB12570MIG · Substance
- Active substance
- Rituximab
- Pharmaceutical form
- CONCENTRATE FOR SOLUTION FOR INFUSION
- Route of administration
- INTRAVENOUS INFUSION
- Max daily dose
- 375 mg/m2 milligram(s)/sq. meter
- Max total dose
- 3000 mg/m2 milligram(s)/sq. meter
- Max treatment duration
- 24 Week(s)
- Authorisation status
- Authorised
- ATC code
- - — -
- Marketing authorisation
- -
- Paediatric formulation
- No
- Orphan designation
- No
- Modified vs. Marketing Authorisation
- No
Truxima 500 mg concentrate for solution for infusion
PRD4797328 · Product
- Active substance
- Rituximab
- Substance synonyms
- CT-P10, PF-05280586, ABP 798, BI 695500, JHL1101, HLX01
- Pharmaceutical form
- SOLUTION FOR INFUSION
- Route of administration
- INTRAVENOUS INFUSION
- Max daily dose
- 375 mg/m2 milligram(s)/sq. meter
- Max total dose
- 3000 mg/m2 milligram(s)/sq. meter
- Max treatment duration
- 24 Week(s)
- Authorisation status
- Authorised
- ATC code
- L01FA01 — -
- Marketing authorisation
- EU/1/16/1167/001
- MA holder
- CELLTRION HEALTHCARE HUNGARY KFT
- MA country
- EU
- Paediatric formulation
- No
- Orphan designation
- No
- Modified vs. Marketing Authorisation
- No
Betamethasone Sodium Phosphate
SCP881751 · ATC
- Active substance
- Betamethasone Sodium Phosphate
- Substance synonyms
- BETAMETHASONE DISODIUM PHOSPHATE
- Route of administration
- INTRAVENOUS
- Max daily dose
- 100 mg milligram(s)
- Max total dose
- 4000 mg milligram(s)
- Max treatment duration
- 24 Week(s)
- Authorisation status
- Authorised
- ATC code
- H02AB06 — PREDNISOLONE
- Marketing authorisation
- -
- Paediatric formulation
- No
- Orphan designation
- No
- Modified vs. Marketing Authorisation
- No
Betamethasone Sodium Phosphate
SCP881751 · ATC
- Active substance
- Betamethasone Sodium Phosphate
- Substance synonyms
- BETAMETHASONE DISODIUM PHOSPHATE
- Route of administration
- ORAL
- Max daily dose
- 100 mg milligram(s)
- Max total dose
- 4000 mg milligram(s)
- Max treatment duration
- 24 Week(s)
- Authorisation status
- Authorised
- ATC code
- H02AB06 — PREDNISOLONE
- Marketing authorisation
- -
- Paediatric formulation
- No
- Orphan designation
- No
- Modified vs. Marketing Authorisation
- No
SCP132446 · ATC
- Active substance
- Prednisolone
- Substance synonyms
- (8S,9S,10S,11S,13S,14S,17R)-11,17-DIHYDROXY-17-(2-HYDROXYACETYL)-10,13-DIMETHYL-7,8,9,11,12,14,15,16-OCTAHYDRO-6H-CYCLOPENTA[A]PHENANTHREN-3-ONE, GLPG0303, DELTA-HYDROCORTISONE, 1,2-DEHYDROHYDROCORTISONE, METACORTANDRALONE
- Route of administration
- INTRAVENOUS
- Max daily dose
- 100 mg milligram(s)
- Max total dose
- 4000 mg milligram(s)
- Max treatment duration
- 24 Week(s)
- Authorisation status
- Authorised
- ATC code
- H02AB07 — PREDNISONE
- Marketing authorisation
- -
- Paediatric formulation
- No
- Orphan designation
- No
- Modified vs. Marketing Authorisation
- No
SCP132446 · ATC
- Active substance
- Prednisolone
- Substance synonyms
- (8S,9S,10S,11S,13S,14S,17R)-11,17-DIHYDROXY-17-(2-HYDROXYACETYL)-10,13-DIMETHYL-7,8,9,11,12,14,15,16-OCTAHYDRO-6H-CYCLOPENTA[A]PHENANTHREN-3-ONE, GLPG0303, DELTA-HYDROCORTISONE, 1,2-DEHYDROHYDROCORTISONE, METACORTANDRALONE
- Route of administration
- ORAL
- Max daily dose
- 100 mg milligram(s)
- Max total dose
- 4000 mg milligram(s)
- Max treatment duration
- 24 Week(s)
- Authorisation status
- Authorised
- ATC code
- H02AB07 — PREDNISONE
- Marketing authorisation
- -
- Paediatric formulation
- No
- Orphan designation
- No
- Modified vs. Marketing Authorisation
- No
PRD9635968 · Product
- Active substance
- Zilovertamab Vedotin
- Pharmaceutical form
- SOLUTION FOR INFUSION
- Route of administration
- INTRAVENOUS INFUSION
- Max daily dose
- 2.5 mg/kg milligram(s)/kilogram
- Max total dose
- 20 mg/kg milligram(s)/kilogram
- Max treatment duration
- 24 Week(s)
- Authorisation status
- Not Authorised
- MA holder
- MERCK & CO. INC.
- Paediatric formulation
- No
- Orphan designation
- No
Auxiliary 1
-
L03A · Product
- Pharmaceutical form
- -
- Route of administration
- INTRAVENOUS
- Max daily dose
- 0 million IU million international units
- Max total dose
- 0 million IU million international units
- Max treatment duration
- 24 Week(s)
- Authorisation status
- Authorised
- ATC code
- L03A — IMMUNOSTIMULANTS
- Marketing authorisation
- -
- Paediatric formulation
- No
- Orphan designation
- No
- Modified vs. Marketing Authorisation
- No
Sponsors and contacts
Sponsor organisations, regulatory contacts, third parties
Merck Sharp & Dohme LLC
- Sponsor organisation
- Merck Sharp & Dohme LLC
- Address
- 126 East Lincoln Avenue
- City
- Rahway
- Postcode
- 07065-4607
- Country
- United States
Scientific contact point
- Organisation
- Merck Sharp & Dohme LLC
- Contact name
- Puja Patel
Public contact point
- Organisation
- Merck Sharp & Dohme LLC
- Contact name
- Puja Patel
Third parties 5
| Organisation | City, country | Duties |
|---|---|---|
| Parexel International Corp. ORG-100007310
|
Auburndale, United States | Other |
| Almac Clinical Technologies LLC ORG-100043036
|
Souderton, United States | Interactive response technologies (IRT) |
| PPD International Holdings LLC ORG-100007655
|
Zaventem, Belgium | Laboratory analysis |
| Pharmaceutical Product Development LLC ORG-100016999
|
Richmond, United States | Laboratory analysis |
| Bioclinica Inc. ORG-100033079
|
Princeton, United States | Other |
Locations
3 EU/EEA countries · 12 investigational sites
By country
| Country | MS status | Planned subjects | Sites |
|---|---|---|---|
| Italy | Ongoing, recruitment ended | 13 | 5 |
| Poland | Ongoing, recruitment ended | 8 | 4 |
| Spain | Ongoing, recruitment ended | 6 | 3 |
| Rest of world
Canada, Israel, Korea, Republic of, Turkey
|
— | 23 | — |
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 |
|---|---|---|---|---|---|
| Italy | 2022-09-22 | 2022-12-13 | 2024-08-05 | ||
| Poland | 2022-08-10 | 2022-08-11 | 2024-08-05 | ||
| Spain | 2022-08-24 | 2022-10-04 | 2024-08-05 |
Results and documents
Annex IV summary of results, Annex V layperson summary, and all documents registered in CTIS for this trial
Documents 31 files
Public protocol annexes, IB summaries, regulatory submissions and post-authorisation documents registered in CTIS.
| Type | Title | Version |
|---|---|---|
| Protocol (for publication) | D1_Protocol_2022-501380-40-00_for pub | 03R |
| Recruitment arrangements (for publication) | K1_Recruit Arrangemt and IC Procedure_POL_Polish_for publication | 22APR2022 |
| Recruitment arrangements (for publication) | K1_Recruitment Arrangements and IC Procedure_ESP_Spanish_for publication | 07MAR2022 |
| Recruitment arrangements (for publication) | K1_Recruitment Arrangements and IC Procedure_ITA_EN_for pub | 04APR2023 |
| Recruitment arrangements (for publication) | K2_Recruitment Doc Study Card_ITA_IT_for pub | 31MAR2023 |
| Subject information and informed consent form (for publication) | L1_ICF_FBR consent_ESP_Spanish_for publication | 01 |
| Subject information and informed consent form (for publication) | L1_ICF_FBR consent_POL_PL_for pub | 01 |
| Subject information and informed consent form (for publication) | L1_ICF_Main consent_ESP_ES_for pub | AM03v3.00R |
| Subject information and informed consent form (for publication) | L1_ICF_Main consent_ITA_IT_for pub | AM03v3.00 |
| Subject information and informed consent form (for publication) | L1_ICF_Main consent_POL_PL_for pub | 3.00R |
| Subject information and informed consent form (for publication) | L1_ICF_Optional tumor screening_ESP_Spanish_for publication | AM01v1.00 |
| Subject information and informed consent form (for publication) | L1_ICF_Optional_data privacy_ITA_Italian_for publication | 29SEP2022 |
| Subject information and informed consent form (for publication) | L1_ICF_Optional_DILI sample_ITA_Italian_for publication | 29SEP2022 |
| Subject information and informed consent form (for publication) | L1_ICF_Optional_pregnant partner data privacy_ITA_IT_for pub | 17JUN2024 |
| Subject information and informed consent form (for publication) | L1_ICF_Optional_pregnant partner_ITA_IT_for pub | 30MAY2024 |
| Subject information and informed consent form (for publication) | L1_ICF_Optional_tissue sample_ITA_Italian_for publication | AM01v1-00 |
| Subject information and informed consent form (for publication) | L1_ICF_Optional_tissue sample_POL_PL_for pub | 1.00R |
| Summary of Product Characteristics (SmPC) (for publication) | E2_SmPC RSI_DOXORUBICIN_Seacross Pharmaceuticals Ltd_SM10_for pub | 24JAN2025 |
| Summary of Product Characteristics (SmPC) (for publication) | E2_SmPC RSI_Prednisone_for pub | 01MAR2022R |
| Summary of Product Characteristics (SmPC) (for publication) | E2_SmPC RSI_RITUXIMAB Roche Products Limited_SM05_for pub | 16JUL2024 |
| Summary of Product Characteristics (SmPC) (for publication) | E2_SmPC RSI_TRUXIMA Celltrion Healthcare UK LTD_SM05_for pub | 13DEC2022 |
| Summary of Product Characteristics (SmPC) (for publication) | E2_SmPC RSI_TRUXIMA Celltrion Healthcare UK LTD_SM10_for pub | 10JUN2025 |
| Summary of Product Characteristics (SmPC) (for publication) | E2_SmPC_Q_RSI_PREDNISOLONE Amdipharm Mercury Co_SM05_for pub_Version 12Apr2024_12Apr2024 | 12APR2024 |
| Summary of Product Characteristics (SmPC) (for publication) | G2_SmPC quality and RSI_Cyclophosphamide_Sandoz_for publication | 06APR2021 |
| Synopsis of the protocol (for publication) | D1_PPLS_2022-501380-40_ESP_ES_ for pub | 3.0 |
| Synopsis of the protocol (for publication) | D1_PPLS_2022-501380-40_ITA_IT_for pub | 3.0 |
| Synopsis of the protocol (for publication) | D1_PPLS_2022-501380-40_POL_PL_for pub | 3.0 |
| Synopsis of the protocol (for publication) | D1_PPLS_2022-501380-40-00_for pub | 3.0 |
| Synopsis of the protocol (for publication) | D1_Protocol Scientific Synopsis_ESP_ES_for pub | 01 |
| Synopsis of the protocol (for publication) | D1_Protocol Scientific Synopsis_ITA_IT_for publication | 01 |
| Synopsis of the protocol (for publication) | D1_Protocol Scientific Synopsis_POL_PL_for pub | 00 |
Application history
10 submissions — initial application plus substantial / non-substantial modifications
| # | Type | Code | Submitted | Reference MS | Conclusion | Decision date |
|---|---|---|---|---|---|---|
| 1 | INITIAL | IN | 2023-01-31 | Spain | Acceptable 2023-03-16
|
2023-03-17 |
| 2 | SUBSTANTIAL MODIFICATION | SM-1 | 2023-04-18 | Spain | Acceptable 2023-06-12
|
2023-06-12 |
| 3 | SUBSTANTIAL MODIFICATION | SM-2 | 2023-07-31 | Spain | Acceptable 2023-09-18
|
2023-09-18 |
| 4 | SUBSTANTIAL MODIFICATION | SM-3 | 2024-06-12 | Spain | Acceptable 2024-08-12
|
2024-08-12 |
| 5 | SUBSTANTIAL MODIFICATION | SM-4 | 2024-10-11 | Spain | Acceptable 2024-11-12
|
2024-11-13 |
| 6 | SUBSTANTIAL MODIFICATION | SM-5 | 2025-03-06 | Spain | Acceptable 2025-04-10
|
2025-04-10 |
| 7 | NON SUBSTANTIAL MODIFICATION | NSM-1 | 2025-08-21 | Spain | Acceptable 2025-04-10
|
2025-08-21 |
| 8 | NON SUBSTANTIAL MODIFICATION | NSM-2 | 2025-08-22 | Spain | Acceptable 2025-04-10
|
2025-08-22 |
| 9 | SUBSTANTIAL MODIFICATION | SM-9 | 2025-09-09 | Spain | Acceptable | 2025-09-25 |
| 10 | SUBSTANTIAL MODIFICATION | SM-10 | 2026-03-27 | Spain | Acceptable 2026-05-25
|
2026-05-26 |