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Completed Phase 1 Interventional Accepts healthy volunteers

Study to Evaluate the Safety, Tolerability, and Pharmacokinetics of Epelsiban in Healthy Female Volunteers

ClinicalTrials.gov ID: NCT02257359

Public ClinicalTrials.gov record NCT02257359. 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, 3:57 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 1, Open Label, Ascending Cohort, Dose Escalation Study to Evaluate the Safety, Tolerability, and Pharmacokinetics of Epelsiban and Its Metabolite in Healthy Female Volunteers Following Administration of Epelsiban

Brief summary

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

Epelsiban is a potent and selective oxytocin receptor antagonist in development for enhanced implantation rates during in-vitro fertilization (IVF). This study a non-randomized, open label study designed to assess the safety, tolerability and pharmacokinetics of additional repeat doses of epelsiban in healthy females, and will be the first dosing experience of greater than 200 milligram (mg) as a single dose with this compound. Data from this study will inform the selection of doses of epelsiban to be used in future clinical studies. This study will be composed of 3 periods: Screening, Treatment, and Follow-up. The total duration that a subject involved in the study will be up to 6 weeks. At least 2 cohorts of subjects will be enrolled in this study and cohorts will be conducted sequentially. Additional cohorts will be enrolled if determined necessary. A sufficient number of subjects will be screened for the study to obtain approximately 6 evaluable subjects per cohort.

Study identification

NCT ID
NCT02257359
Recruitment status
Completed
Study type
Interventional
Phase
Phase 1
Lead sponsor
GlaxoSmithKline
Industry
Enrollment
12 participants

Conditions and interventions

Interventions

Drug

Eligibility (public fields only)

Age range
18 Years to 55 Years
Sex
Female
Healthy volunteers
Accepts healthy volunteers

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

Study timeline

Start date
Dec 17, 2014
Primary completion
Jan 28, 2015
Completion
Jan 28, 2015
Last update posted
Sep 12, 2018

2014 – 2015

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
GSK Investigational Site Overland Park Kansas 66211

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

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT02257359, 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 Sep 12, 2018 · Synced Sep 5, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT02257359 live on ClinicalTrials.gov.

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