Research Study to Investigate How Well Semaglutide Tablets Taken Once Daily Work in People Who Are Overweight or Living With Obesity (OASIS 1)
Public ClinicalTrials.gov record NCT05035095. 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
Efficacy and Safety of Oral Semaglutide 50 mg Once Daily in Subjects With Overweight or Obesity (OASIS 1)
Study identification
- NCT ID
- NCT05035095
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Novo Nordisk A/S
- Industry
- Enrollment
- 667 participants
Conditions and interventions
Conditions
Interventions
- Oral semaglutide Drug
- Placebo (semaglutide) Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years and older
- 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
- Sep 12, 2021
- Primary completion
- Mar 23, 2023
- Completion
- May 11, 2023
- Last update posted
- May 6, 2026
2021 – 2023
United States locations
- U.S. sites
- 13
- U.S. states
- 11
- U.S. cities
- 13
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Univ of Alabama Birmingham | Birmingham | Alabama | 35233 | — |
| Velocity Clin Res Los Angeles | Los Angeles | California | 90017 | — |
| The Chappel Group Research | Kissimmee | Florida | 34744 | — |
| Clinical Trial Res Assoc,Inc | Plantation | Florida | 33324 | — |
| East West Med Res Inst | Honolulu | Hawaii | 96814 | — |
| Midwest Inst For Clin Res | Indianapolis | Indiana | 46260 | — |
| Rochester Clinical Research, Inc. | Rochester | New York | 14609 | — |
| Accellacare | Wilmington | North Carolina | 28401 | — |
| The University of Penn Center | Philadelphia | Pennsylvania | 19104-3317 | — |
| Velocity Clinical Res-Dallas | Dallas | Texas | 75230 | — |
| Washington Cntr Weight Mgmt | Arlington | Virginia | 22206 | — |
| Selma Medical Associates | Winchester | Virginia | 22601-3834 | — |
| Capital Clin Res Ctr,LLC | Olympia | Washington | 98502 | — |
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 43 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT05035095, 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 May 6, 2026 · Synced May 20, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT05035095 live on ClinicalTrials.gov.