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Dose Escalation and Expansion Study of GSK525762 in Combination With Fulvestrant in Participants With Hormone Receptor-positive (HR+)/Human Epidermal Growth Factor Receptor 2 Negative (HER2-) Advanced or Metastatic Breast Cancer

NCT02964507 · Status: TERMINATED · Phase: PHASE1 · Type: INTERVENTIONAL · Enrollment: 124

Last updated 2024-08-29

Study results available
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Summary

This is a combination Phase I and Phase II study, with an aim to evaluate the combination of GSK525762 and fulvestrant in women with HR+/HER2- advanced or metastatic breast cancer, who have disease that has progressed after prior treatment with at least one line of endocrine therapy. The objectives of the study are to first identify, in open-label single-arm Phase I, a recommended Phase II dose of GSK525762 that may be combined safely with fulvestrant. Phase I will follow a modified toxicity probability interval (mTPI) design, and a sentinel group will be evaluated first for dose-limiting toxicity and further expanded to collect additional safety data. This will be followed by a double-blind, randomized controlled Phase II, to identify the clinical activity of the two study treatments when given in combination. The composition of Phase II will be selected at the end of Phase I.

Conditions

  • Neoplasms

Interventions

DRUG

GSK525762

GSK525762 will be administered.

DRUG

Placebo

Placebo will be administered.

DRUG

Fulvestrant

Fulvestrant will be administered.

Sponsors & Collaborators

Principal Investigators

  • GSK Clinical Trials · GlaxoSmithKline

Study Design

Allocation
NON_RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
18 Years
Sex
FEMALE
Healthy Volunteers
No

Timeline & Regulatory

Start
2019-09-26
Primary Completion
2020-09-29
Completion
2021-07-19
FDA Drug
Yes

Countries

  • United States
  • Australia
  • Canada
  • France
  • South Korea
  • Spain
  • United Kingdom

Study Locations

More Related Trials

Entities

Drugs
Companies

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 NCT02964507 on ClinicalTrials.gov