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Trial Title: A Study of Pembrolizumab in Combination With Investigational Agents in Pediatric and Young Adult Participants With Hematologic Malignancies or Solid Tumors (MK-9999-01B/LIGHTBEAM-U01)

NCT ID: NCT06395090

Condition: Neoplasm Metastasis

Conditions: Official terms:
Neoplasm Metastasis
Hematologic Neoplasms
Pembrolizumab

Study type: Interventional

Study phase: Phase 1/Phase 2

Overall status: Recruiting

Study design:

Allocation: Non-Randomized

Intervention model: Parallel Assignment

Primary purpose: Treatment

Masking: None (Open Label)

Intervention:

Intervention type: Biological
Intervention name: Pembrolizumab
Description: IV infusion
Arm group label: Favezelimab + Pembrolizumab
Arm group label: Pembrolizumab + Vibostolimab

Other name: MK-3475

Intervention type: Biological
Intervention name: Favezelimab
Description: IV infusion
Arm group label: Favezelimab + Pembrolizumab

Intervention type: Biological
Intervention name: Favezelimab/Pembrolizumab
Description: IV infusion
Arm group label: Favezelimab/Pembrolizumab

Other name: MK-4280A

Intervention type: Biological
Intervention name: Vibostolimab
Description: IV infusion
Arm group label: Pembrolizumab + Vibostolimab

Intervention type: Biological
Intervention name: Pembrolizumab/Vibostolimab
Description: IV infusion
Arm group label: Pembrolizumab/Vibostolimab

Other name: MK-7684A

Summary: This study is a rolling arm study of pembrolizumab in combination with investigational agents in pediatric participants with relapsed or refractory classical Hodgkin lymphoma (cHL) solid tumors with microsatellite instability-high (MSI-H)/mismatch repair deficient (dMMR) or tumor mutational burden-high (TMB-H). This study will have 2 parts: a safety lead-in to demonstrate a tolerable safety profile and confirm a preliminary recommended phase 2 dose (RP2D) (Part 1) followed by an efficacy evaluation (Part 2). Participants will be assigned to a treatment arm (either Part 1 or Part 2) that is open for enrollment. There will be no hypothesis testing in this study.

Detailed description: The master screening protocol is MK-9999-U01.

Criteria for eligibility:
Criteria:
Inclusion Criteria: - Must have 1 of the following histologically or cytologically confirmed diagnosis of Relapsed or refractory classical Hodgkin lymphoma (cHL) solid tumors that are microsatellite instability-high (MSI-H)/mismatch repair deficient (dMMR), or solid tumors that are tumor mutational burden-high (TMB-H) - Must have recovered from all AEs from previous anticancer therapies - Human immunodeficiency virus (HIV)-infected participants have well controlled HIV on antiretroviral therapy (ART) Exclusion Criteria: - HIV-infected participants with a history of Kaposi's sarcoma and/or Multicentric Castleman's Disease - Received prior systemic anticancer therapy including investigational agents within 4 weeks before the first dose of study intervention - Received prior radiotherapy within 2 weeks of start of study intervention, or has radiation-related toxicities, requiring corticosteroids - Received a live or live-attenuated vaccine within 30 days before the first dose of study intervention - Received prior anticancer therapy with an anti-PD-1, anti-programmed cell death ligand 1 (PD-L1), or anti-programmed cell death ligand 2 (anti-PD-L2) in combination with either an Anti- lymphocyte-activation gene 3 (LAG-3) agent or an Anti- T-cell immunoreceptor with immunoglobulin (Ig) and ITIM domains (TIGIT) agent - Diagnosis of immunodeficiency or is receiving chronic systemic steroid therapy (in dosing exceeding 10 mg daily of prednisone equivalent) or any other form of immunosuppressive therapy within 7 days prior to the first dose of study intervention - Known additional malignancy that is progressing or has required active treatment within the past 1 year - Known active central nervous system (CNS) metastases and/or carcinomatous meningitis - Active autoimmune disease that has required systemic treatment in the past 2 years - History of (noninfectious) pneumonitis/interstitial lung disease that required steroids or has current pneumonitis/interstitial lung disease - Active infection requiring systemic therapy - Concurrent active Hepatitis B and Hepatitis C virus infection - History of allogenic tissue/solid organ transplant - Has symptoms of or is being treated for graft versus host disease (GVHD) - Has not adequately recovered from major surgery or have ongoing surgical complications - Known tumors involving the brainstem

Gender: All

Minimum age: N/A

Maximum age: 18 Years

Healthy volunteers: No

Locations:

Facility:
Name: Yale-New Haven Hospital ( Site 2012)

Address:
City: New Haven
Zip: 06510
Country: United States

Status: Recruiting

Contact:
Last name: Study Coordinator

Phone: 203-785-4640

Facility:
Name: University of Iowa-Holden Comprehensive Cancer Center ( Site 2017)

Address:
City: Iowa City
Zip: 52242
Country: United States

Status: Recruiting

Contact:
Last name: Study Coordinator

Phone: 319-356-7673

Facility:
Name: Rutgers Cancer Institute of New Jersey ( Site 2008)

Address:
City: New Brunswick
Zip: 08903
Country: United States

Status: Recruiting

Contact:
Last name: Study Coordinator

Phone: 908-217-0856

Facility:
Name: New York Medical College ( Site 2023)

Address:
City: Valhalla
Zip: 10595
Country: United States

Status: Recruiting

Contact:
Last name: Study Coordinator

Phone: 914-614-4270

Facility:
Name: Intermountain - Primary Children's Hospital ( Site 2014)

Address:
City: Salt Lake City
Zip: 84113
Country: United States

Status: Recruiting

Contact:
Last name: Study Coordinator

Phone: 801-662-4700

Facility:
Name: Seoul National University Hospital-Pediatrics ( Site 2972)

Address:
City: Seoul
Zip: 03080
Country: Korea, Republic of

Status: Recruiting

Contact:
Last name: Study Coordinator

Phone: +82220723304

Facility:
Name: Asan Medical Center-Pediatrics - Pedicatric Oncology ( Site 2973)

Address:
City: Seoul
Zip: 05505
Country: Korea, Republic of

Status: Recruiting

Contact:
Last name: Study Coordinator

Phone: +82230105994

Start date: November 14, 2024

Completion date: June 30, 2029

Lead sponsor:
Agency: Merck Sharp & Dohme LLC
Agency class: Industry

Source: Merck Sharp & Dohme LLC

Record processing date: ClinicalTrials.gov processed this data on November 12, 2024

Source: ClinicalTrials.gov page: https://clinicaltrials.gov/ct2/show/NCT06395090
https://www.merckclinicaltrials.com/
https://msd.trialsummaries.com/Study/StudyDetails?id=26121&tenant=MT_MSD_9011

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