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Completed Phase 1 Interventional Results available

A Study to Investigate the Safety, Pharmacokinetics, Pharmacodynamics, and Clinical Activity of GSK525762 in Subjects With NUT Midline Carcinoma (NMC) and Other Cancers

ClinicalTrials.gov ID: NCT01587703

Public ClinicalTrials.gov record NCT01587703. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 5, 2026, 3:19 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase I/II Open-Label, Dose Escalation Study to Investigate the Safety, Pharmacokinetics, Pharmacodynamics, and Clinical Activity of GSK525762 in Subjects With NUT Midline Carcinoma (NMC) and Other Cancers

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This study is divided into two parts; Part 1 of the study is a dose escalation phase to select the recommended dose for Part 2 based on the safety, pharmacokinetic, and pharmacodynamic profiles observed after oral administration of GSK525762 in the following subjects: NMC, small cell lung cancer (SCLC), non-small cell lung cancer (NSCLC), colorectal cancer (CRC), neuroblastoma (NB), castration resistant prostate cancer (CRPC), triple negative breast cancer (TNBC), estrogen receptor positive (ER positive) breast cancer, and MYCN driven solid tumor subjects. Part 2 of the study will explore the safety, tolerability, pharmacokinetics, pharmacodynamics, and clinical activity of the recommended dose from Part 1 in cohorts comprised of NMC, small cell lung cancer (SCLC), castration resistant prostate cancer (CRPC), triple negative breast cancer (TNBC), and estrogen receptor positive (ER positive) breast cancer subjects. Approximately 60 subjects will be enrolled in the Part 1 and approximately 150 subjects will be enrolled in Part 2. A sub-study will be opened in Part 1 to approximately 10-12 subjects in the United States to investigate the relative bioavailability of the besylate tablet compared to the amorphous free-base tablet at the maximum tolerated dose (MTD) or recommended phase 2 dosing (RP2D), the effect of high-fat high-calorie meal on the bioavailability of the besylate tablet at the MTD or RP2D and the dose proportionality of 2 doses of GSK525762 administered as besylate tablet.

Study identification

NCT ID
NCT01587703
Recruitment status
Completed
Study type
Interventional
Phase
Phase 1
Lead sponsor
GlaxoSmithKline
Industry
Enrollment
196 participants

Conditions and interventions

Interventions

Drug

Eligibility (public fields only)

Age range
16 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Mar 27, 2012
Primary completion
Apr 12, 2018
Completion
Jul 28, 2019
Last update posted
Mar 15, 2020

2012 – 2019

United States locations

U.S. sites
5
U.S. states
5
U.S. cities
5
Facility City State ZIP Site status
GSK Investigational Site Baltimore Maryland 21231-2410
GSK Investigational Site Boston Massachusetts 02215
GSK Investigational Site Philadelphia Pennsylvania 19104
GSK Investigational Site Nashville Tennessee 37232
GSK Investigational Site Houston Texas 77030

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 12 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01587703, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Mar 15, 2020 · Synced Sep 5, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT01587703 live on ClinicalTrials.gov.

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