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Completed Phase 1 Interventional Accepts healthy volunteers

A Phase 1 TP-271 Oral PK Multiple Ascending Dose Study

ClinicalTrials.gov ID: NCT03450187

Public ClinicalTrials.gov record NCT03450187. 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 2, 2026, 2:56 AM 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, Randomized, Placebo-Controlled, Double-Blind, Multiple Ascending-Dose Study to Assess the Safety, Tolerability, and Pharmacokinetics of Oral TP-271 in Healthy Adult Subjects

Brief summary

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

This is a phase 1, single-center, randomized, placebo-controlled, double-blind, multiple ascending-dose study to assess the safety, tolerability, and PK of oral TP-271 in healthy adult subjects. Male or female subjects aged 18 to 50 years who fulfill the inclusion/exclusion criteria will be enrolled in this study.

Study identification

NCT ID
NCT03450187
Recruitment status
Completed
Study type
Interventional
Phase
Phase 1
Lead sponsor
Tetraphase Pharmaceuticals, Inc
Industry
Enrollment
40 participants

Conditions and interventions

Interventions

Drug

Eligibility (public fields only)

Age range
18 Years to 50 Years
Sex
All
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
Mar 19, 2018
Primary completion
Dec 30, 2018
Completion
Mar 30, 2019
Last update posted
Dec 16, 2021

2018 – 2019

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
PPD Phase I Clinic Austin Texas 78744

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 NCT03450187, 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 Dec 16, 2021 · Synced Sep 2, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03450187 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →