Research Study Looking at How Well Semaglutide Tablets Taken Once Daily Work in People Who Have a Body Weight Above the Healthy Range
OASIS 4
Efficacy and Safety of Oral Semaglutide 25 mg Once Daily in Adults With Overweight or Obesity
3 other identifiers
interventional
307
4 countries
23
Brief Summary
This study will look how well semaglutide tablets taken once daily helps people with body weight above the healthy range. Participants will either get semaglutide 25 milligram (mg) once daily or placebo once daily. This study will last for 72 weeks, which includes 1-week screening period, 64 weeks of treatment period and 7 weeks of follow up period.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_3
Started Oct 2022
23 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
September 29, 2022
CompletedFirst Posted
Study publicly available on registry
October 3, 2022
CompletedStudy Start
First participant enrolled
October 11, 2022
CompletedPrimary Completion
Last participant's last visit for primary outcome
April 18, 2024
CompletedStudy Completion
Last participant's last visit for all outcomes
May 7, 2024
CompletedResults Posted
Study results publicly available
February 25, 2026
CompletedFebruary 25, 2026
February 1, 2026
1.5 years
September 29, 2022
January 20, 2026
February 23, 2026
Conditions
Outcome Measures
Primary Outcomes (2)
Percentage Change in Body Weight
Percentage change in body weight from baseline (week 0) to end of treatment (week 64) is presented.
Baseline (week 0), end of treatment (week 64)
Number of Participants Who Achieved Body Weight Reduction Greater Than or Equal to (≥) 5% (Yes/No)
Number of participants who achieved ≥5% body weight reduction at the end of treatment (week 64) from baseline (week 0) is presented. In the reported data, 'Yes' infers the number of participants who have achieved greater than or equal to 5% weight reduction, whereas 'No' infers the number of participants who have not achieved greater than or equal to 5% weight reduction.
At end of treatment (week 64)
Secondary Outcomes (25)
Number of Participants Who Achieved Body Weight Reduction ≥ 10% (Yes/No)
At end of treatment (week 64)
Number of Participants Who Achieved Body Weight Reduction ≥ 15% (Yes/No)
At end of treatment (week 64)
Number of Participants Who Achieved Body Weight Reduction ≥ 20% (Yes/No)
At end of treatment (week 64)
Change in Physical Function Domain (5-items) Score Impact of Weight on Quality of Life-Lite for Clinical Trials (IWQOL-Lite for CT)
Baseline (week 0), end of treatment (week 64)
Number of Participants Who Achieved ≥14.6 IWQOL-Lite-CT Physical Function Domain (PFD) Score (Yes/No)
Baseline (week 0), end of treatment (week 64)
- +20 more secondary outcomes
Study Arms (2)
Oral semaglutide 25 mg
EXPERIMENTALParticipants will receive semaglutide tablets orally once daily. Participants will receive semaglutide in a dose escalation manner for 64 weeks: 3 mg (weeks 0 to 4), 7 mg (weeks 5 to 8), 14 mg (weeks 9 to 12), and 25 mg (weeks 13 to 64).
Oral semaglutide placebo
PLACEBO COMPARATORParticipants will receive placebo tablets matched to semaglutide orally once daily for 64 weeks.
Interventions
Semaglutide placebo-matching tablets orally once daily for 64 weeks.
Eligibility Criteria
You may qualify if:
- Informed consent obtained before any study-related activities. Study-related activities are any procedures that are carried out as part of the study, including activities to determine suitability for the study
- Male or female, age greater than or equal to 18 years at the time of signing informed consent
- Body mass index (BMI) of
- Greater than or equal to 27.0 kg/m\^2 with the presence of at least one of the following weight-related complications (treated or untreated): hypertension, dyslipidaemia, obstructive sleep apnoea or cardiovascular (CV) disease OR
- Greater than or equal to 30.0 kg/m\^2
- History of at least one self-reported unsuccessful dietary effort to lose body weight
You may not qualify if:
- A self-reported change in body weight greater than 5 kg (11 pound \[lbs\]) within 90 days before screening irrespective of medical records
- HbA1c greater than or equal to 6.5 percent (48 mmol/mol) as measured by the central laboratory at screening
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Novo Nordisk A/Slead
Study Sites (23)
Univsty Of AL At Birmingham
Birmingham, Alabama, 35294, United States
FDRC
Costa Mesa, California, 92627, United States
East West Medical Research Institute_Honolulu
Honolulu, Hawaii, 96814, United States
Accellacare
Wilmington, North Carolina, 28401, United States
UT Southwestern Med Cntr
Dallas, Texas, 75390-9302, United States
Washington Cntr Weight Mgmt
Arlington, Virginia, 22206, United States
Selma Medical Associates
Winchester, Virginia, 22601, United States
G.A. Research Associates Ltd.
Moncton, New Brunswick, E1G 1A7, Canada
Wharton Med Clin Trials
Hamilton, Ontario, L8L 5G8, Canada
InnoDiab Forschung GmbH
Essen, 45136, Germany
Diabetologische Gemeinschaftspraxis Dr. Staudenmeyer und Dr. Schiwietz
Lingen, 49808, Germany
MedicalCenter am Clemenshospital - Schwerpunktpraxis für Diabetologie und Ernährungsmedizin
Münster, 48153, Germany
RED-Institut für medizinische Forschung und Fortbildung GmbH
Oldenburg in Holstein, 23758, Germany
Praxis Dr. med. Wenzl-Bauer
Rehlingen-Siersburg, 66780, Germany
MZM Praxis Drs. Erlinger
Stuttgart, 70378, Germany
Praxis für Prävention und Therapie, Drs Jacob
Villingen-Schwenningen, 78048, Germany
Zentrum für klinische Studien Allgäu Oberschwaben
Wangen, 88239, Germany
Beata Miklaszewicz&Dariusz Dabrowski "CARDIAMED" s.j.
Legnica, Lower Silesian Voivodeship, 59-220, Poland
ETG Lublin
Lublin, Lublin Voivodeship, 20-412, Poland
ETG Siedlce
Siedlce, Masovian Voivodeship, 08-110, Poland
ETG Warszawa Sp. z o.o.
Warsaw, Masovian Voivodeship, 02-677, Poland
Gabinet Leczenia Otylosci i Chorob Dietozaleznych
Bialystok, Podlaskie Voivodeship, 15-281, Poland
Centrum Zdrowia Metabolicznego
Poznan, Wielkopolskie Voivodeship, 60-589, Poland
Related Publications (1)
Wharton S, Lingvay I, Bogdanski P, Duque do Vale R, Jacob S, Karlsson T, Shaji C, Rubino D, Garvey WT; OASIS 4 Study Group. Oral Semaglutide at a Dose of 25 mg in Adults with Overweight or Obesity. N Engl J Med. 2025 Sep 18;393(11):1077-1087. doi: 10.1056/NEJMoa2500969.
PMID: 40934115DERIVED
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Results Point of Contact
- Title
- Clinical Reporting Office (2834)
- Organization
- Novo Nordisk A/S
Study Officials
- STUDY DIRECTOR
Clinical Transparency dept. 2834
Novo Nordisk A/S
Publication Agreements
- PI is Sponsor Employee
- No
- Restriction Type
- OTHER
- Restrictive Agreement
- Yes
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
September 29, 2022
First Posted
October 3, 2022
Study Start
October 11, 2022
Primary Completion
April 18, 2024
Study Completion
May 7, 2024
Last Updated
February 25, 2026
Results First Posted
February 25, 2026
Record last verified: 2026-02
Data Sharing
- IPD Sharing
- Will share
According to the Novo Nordisk disclosure commitment on novonordisk-trials.com.