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A Dose-Finding Study of Birabresib (MK-8628), a Small Molecule Inhibitor of the Bromodomain and Extra-Terminal (BET) Proteins, in Adults With Selected Advanced Solid Tumors (MK-8628-003)

NCT02259114 · Status: COMPLETED · Phase: PHASE1 · Type: INTERVENTIONAL · Enrollment: 47

Last updated 2021-01-26

Study results available
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Summary

Open-label, phase I, non-randomized, multicentric study of single-agent birabresib (MK-8628) (formerly known as OTX015) administered according to two distinct regimens to participants with selected advanced tumors.

The study will be performed in two parts.

Dose Escalation Part:

This step is designed to determine the maximum tolerated dose (MTD) in each of the two regimens, which will be evaluated in parallel. Participants will receive oral birabresib according to:

Continuous Dosing Regimen: continuous, once daily for 21 consecutive days (21-day cycles).

OR Days 1-7 Dosing Regimen: once daily on Days 1 to 7, repeated every 3 weeks (21-day cycles; 1 week ON/2 weeks OFF).

Participants will be sequentially assigned to Continuous Dosing Regimen or Days 1-7 Dosing Regimen according to the next available place and receive birabresib at escalating doses levels (DL). Cohorts of 3 participants will be treated, and an additional 3 participants will be treated at the first indication of dose-limiting toxicity (DLT). MTD assessment will be based on the tolerability observed during the first 21 days of treatment.

Expansion Part:

The efficacy of birabresib in each of the five indications (i.e., Bromodomain-Nuclear Protein in Testis \[BRD-NUT\] midline carcinoma, triple negative breast cancer \[TNBC\], non-small cell lung cancer \[NSCLC\] harboring a rearrangement Anaplastic Lymphoma Kinase \[ALK\] gene/fusion protein or Kirsten Ras \[KRAS\] mutation, castrate-resistant prostate cancer, and pancreatic ductal carcinoma) will be assessed in terms of response (Response Evaluation Criteria in Solid Tumors v1.1 \[RECIST v1.1\] or Prostate Cancer Clinical Trials Working Group 2 \[PCWG2\]) using a selected regimen.

Conditions

Interventions

DRUG

Birabresib

Birabresib 10, 20 and/or 40 mg oral capsules

Sponsors & Collaborators

  • Oncoethix GmbH, a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA)

    lead INDUSTRY

Principal Investigators

  • Medical Director · Merck Sharp & Dohme LLC

Study Design

Allocation
NON_RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2014-10-23
Primary Completion
2017-03-03
Completion
2017-03-03
FDA Drug
Yes

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Entities

Diseases

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT02259114 on ClinicalTrials.gov