Study to Evaluate the Effect of GBT440 Administered to Subjects With IPF on Supplemental Oxygen at Rest
Public ClinicalTrials.gov record NCT02989168. 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.
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 II Open Label Study to Evaluate the Effect of GBT440 on Hypoxemia in Subjects With Idiopathic Pulmonary Fibrosis (IPF) Who Are Using Supplemental Oxygen at Rest (ZEPHYR)
Study identification
- NCT ID
- NCT02989168
- Recruitment status
- Terminated
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- Global Blood Therapeutics
- Industry
- Enrollment
- 14 participants
Conditions and interventions
Conditions
Interventions
- GBT440 Drug
Drug
Eligibility (public fields only)
- Age range
- 45 Years to 85 Years
- 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
- Oct 31, 2016
- Primary completion
- Oct 22, 2017
- Completion
- Oct 22, 2017
- Last update posted
- Aug 20, 2020
2016 – 2017
United States locations
- U.S. sites
- 6
- U.S. states
- 6
- U.S. cities
- 6
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Not listed | Birmingham | Alabama | 35233 | — |
| Not listed | Denver | Colorado | 80206 | — |
| Not listed | New Orleans | Louisiana | 70122 | — |
| Not listed | Philadelphia | Pennsylvania | 19140 | — |
| Not listed | Nashville | Tennessee | 37232 | — |
| Not listed | Salt Lake City | Utah | 84108 | — |
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 3 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT02989168, 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 Aug 20, 2020 · Synced Jul 23, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT02989168 live on ClinicalTrials.gov.