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A Dose Escalation Study to Investigate the Safety, Pharmacokinetics (PK), Pharmacodynamics (PD), and Clinical Activity of GSK525762 Plus Trametinib in Subjects With Solid Tumors

NCT03266159 · Status: WITHDRAWN · Phase: PHASE2 · Type: INTERVENTIONAL

Last updated 2017-12-08

No results posted yet for this study

Summary

GSK525762 is a novel inhibitor of bromodomain and extraterminal (BET) proteins. Trametinib is a potent inhibitor of the mitogen-activated protein kinase proteins (MEK1 and MEK2). GSK525762 and trametinib are critical for growth and survival of tumor cells. This will be the first study demonstrating the synergistic effect of BET inhibitor and MEK inhibitor administered together against tumor cell growth. This study aims to evaluate the safety, tolerability, PK, PD, and preliminary efficacy of combination of GSK525762 and trametinib when administered concomitantly to subjects with small cell lung cancer (SCLC) and rat sarcoma virus oncogene homolog (Ras) mutated solid tumors. The study will be conducted in two parts; part 1 will consists of dose escalation and dose expansion cohorts and part 2 will consists of four disease specific cohorts (SCLC, Ras-mutated adenocarcinoma \[RMAC\] of the colon \[Ras-mutated colorectal cancer {RMCRC}\] and/or rectum, Ras-mutated non small cell lung cancer \[RMNSCLC\], Ras-mutated pancreatic adenocarcinoma \[RMPAC\]) and an optional "basket" cohort (Ras-pathway activated solid tumors \[RAST\]). Part 1 will focus on selection of the Part 2 dose based on safety/tolerability, PK, PD, and efficacy. Part 2 will investigate the overall response rate and clinical response. The total duration of study will be approximately three years (nine to twelve months for part 1 and two years for part 2). Approximately 138-156 subjects will be enrolled in the study.

Conditions

Interventions

DRUG

GSK525762 Besylate tablets

GSK525762 Besylate film coated tablets will be available as a 20 mg tablet strength, yellowish pink in color, round and biconvex with no markings. It will be administered with 240mL of liquid.

DRUG

Trametinib tablets

Trametinib film coated tablets will be available as 0.5 mg and 2 mg dose strengths. Trametinib 0.5 mg will be yellow colored, modified oval, biconvex, tablets with 'GS' debossed on one face and 'TFC' on the opposing face. Trametinib 2 mg will be pink colored, round, biconvex tablets with 'GS' debossed on one face and 'HMJ' on the opposing face. Doses will be taken at least 1 hour before or at least 2 hours after a meal.

Sponsors & Collaborators

Principal Investigators

  • GSK Clinical Trials · GlaxoSmithKline

Study Design

Allocation
NON_RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
SEQUENTIAL

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2017-11-27
Primary Completion
2020-08-19
Completion
2020-08-19
FDA Drug
Yes

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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 NCT03266159 on ClinicalTrials.gov