Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 17, 2026, 11:05 PM EDT

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Showing 1–4 of 4 matching trials from the live ClinicalTrials.gov search.
Completed Phase 1 Interventional Accepts healthy volunteers

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

NCT03024034
Conditions
Bacterial Infections
Interventions
TP-271
Drug
Lead sponsor
Tetraphase Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 50 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Austin, Texas
Completed Phase 1 Interventional Accepts healthy volunteers

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

NCT03450187
Conditions
Bacterial Infections
Interventions
TP-271
Drug
Lead sponsor
Tetraphase Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 50 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Austin, Texas
Completed Phase 1 Interventional Accepts healthy volunteers

A Phase 1 Safety and PK Study of IV TP-271

NCT03234738
Conditions
Bacterial Infections
Interventions
TP-271, Placebo
Drug
Lead sponsor
Tetraphase Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 50 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Austin, Texas
Conditions
Pneumonia
Interventions
TP-271
Drug
Lead sponsor
Tetraphase Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 50 Years
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Austin, Texas