NCT03548935

Brief Summary

This study will look at the change in participants' body weight from the start to the end of the study. The weight loss in participants taking semaglutide (a new medicine) will be compared to the weight loss of participants taking "dummy" medicine. In addition to taking the medicine, participants will have talks with study staff about healthy food choices, how to be more physically active and what you can do to lose weight. Participants will either get semaglutide or "dummy" medicine - which treatment participants get, is decided by chance. Participants will need to take 1 injection once a week. The study medicine is injected with a thin needle in a skin fold in the stomach, thigh or upper arm. The study has two phases: A main phase and an extension phase.The main phase will last for about 1.5 years. Participants will have 15 clinic visits and 10 phone calls with the study doctor. Extension phase: Approximately 300 participants will continue in the extension phase in the following countries only: Canada, Germany, the UK and selected sites in the US and Japan. These participants will be in the study for about 2.5 years.They will not receive treatment, but will attend another 5 follow-up visits with the study doctor.

Trial Health

98
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Strong global presence with extensive site network
Enrollment
1,961

participants targeted

Target at P75+ for phase_3

Timeline
Completed

Started Jun 2018

Typical duration for phase_3

Geographic Reach
17 countries

128 active sites

Status
completed

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

May 25, 2018

Completed
10 days until next milestone

Study Start

First participant enrolled

June 4, 2018

Completed
3 days until next milestone

First Posted

Study publicly available on registry

June 7, 2018

Completed
1.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 30, 2020

Completed
11 months until next milestone

Study Completion

Last participant's last visit for all outcomes

March 5, 2021

Completed
5 months until next milestone

Results Posted

Study results publicly available

August 11, 2021

Completed
Last Updated

November 19, 2021

Status Verified

November 1, 2021

Enrollment Period

1.8 years

First QC Date

May 25, 2018

Results QC Date

June 16, 2021

Last Update Submit

November 18, 2021

Conditions

Outcome Measures

Primary Outcomes (2)

  • Change in Body Weight (%)

    Change in body weight from baseline (week 0) to week 68 is presented. The endpoint was evaluated based on the data from both in-trial and on-treatment observation periods. In-trial observation period: the uninterrupted time interval from date of randomization (week 0) to date of last contact with trial site (week 75). On-treatment observation period: includes all time intervals in which participants are considered to be on treatment from the first (week 0) to last trial product administration (week 68), including 2 weeks of follow-up. It excludes any period of temporary treatment interruption. Temporary treatment interruption is defined as more than 2 consecutive missed doses (off-treatment period).

    Baseline (week 0) to week 68

  • Participants Who Achieve 5 or More Percent Body Weight Reduction (Yes/no)

    Number of participants who achieved weight loss more than or equal to 5% (yes/no) at week 68 are presented. The endpoint was evaluated based on the data from both in-trial and on-treatment observation periods. In-trial observation period: the uninterrupted time interval from start of randomization (week 0) to last trial-related subject-site contact (week 75). On-treatment observation period: includes all time intervals in which participants are considered to be on treatment from the first (week 0) to last trial product administration (week 68), including 2 weeks of follow-up. It excludes any period of temporary treatment interruption.

    After week 68

Secondary Outcomes (40)

  • Subjects Who Achieve 10 or More Percent Body Weight Reduction (Yes/no)

    Week 68

  • Participants Who Achieve 15 or More Percent Body Weight Reduction (Yes/no)

    Week 68

  • Participants Who Achieve 20 or More Percent Body Weight Reduction (Yes/no)

    Week 68

  • Change in Waist Circumference (cm)

    Baseline (week 0) to week 68

  • Change in Systolic Blood Pressure (mmHg)

    Baseline (week 0) to week 68

  • +35 more secondary outcomes

Study Arms (2)

Semaglutide s.c. 2.4 mg once weekly

EXPERIMENTAL

Participants will receive semaglutide for 68 weeks.

Drug: Semaglutide

Semaglutide placebo

PLACEBO COMPARATOR

Participants will receive semaglutide matching placebo for 68 weeks.

Drug: Placebo (semaglutide)

Interventions

Participants will receive semaglutide subcutaneous (s.c.; under the skin) injection(s) once-weekly as well as diet and physical activity counselling for 68 weeks. Dose escalation of semaglutide will take place as follows: 0.25 mg from week 1 to 4, 0.5 mg from week 5 to 8, 1.0 mg from week 9 to 12, 1.7 mg from week 13 to 16 and 2.4 mg from week 17 to week 68.

Semaglutide s.c. 2.4 mg once weekly

Participants will receive semaglutide matching placebo s.c. injection(s) once-weekly as well as diet and physical activity counselling for 68 weeks.

Semaglutide placebo

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Main phase:
  • Male or female, age greater than or equal to 18 years at the time of signing informed consent
  • Body mass index (BMI) greater than or equal to 30.0 kg/sqm or greater than or equal to 27.0 kg/sqm with the presence of at least one of the following weight-related comorbidities (treated or untreated): hypertension, dyslipidaemia, obstructive sleep apnoea or cardiovascular disease
  • History of at least one self-reported unsuccessful dietary effort to lose body weight
  • Extension phase:
  • Informed consent for the extension phase obtained before any trial related activities for the extension phase
  • On randomised treatment on the target dose at week 68, i.e. treated with 2.4 mg semaglutide once-weekly or semaglutide placebo

You may not qualify if:

  • Main phase:
  • Glycated haemoglobin (HbA1C) greater than or equal to 48 mmol/mol (6.5%) as measured by the central laboratory at screening
  • A self-reported change in body weight greater than 5 kg (11 lbs) within 90 days before screening irrespective of medical records
  • Extension phase:
  • Female who is pregnant or intends to become pregnant during the extension phase

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (128)

Novo Nordisk Investigational Site

Anniston, Alabama, 36207, United States

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Novo Nordisk Investigational Site

Anaheim, California, 92801, United States

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Novo Nordisk Investigational Site

Lomita, California, 90717, United States

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Novo Nordisk Investigational Site

Spring Valley, California, 91978, United States

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Novo Nordisk Investigational Site

Aurora, Colorado, 80045, United States

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Novo Nordisk Investigational Site

Waterbury, Connecticut, 06708, United States

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Novo Nordisk Investigational Site

Chiefland, Florida, 32626, United States

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Novo Nordisk Investigational Site

Crystal River, Florida, 34429, United States

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Novo Nordisk Investigational Site

Jacksonville, Florida, 32205, United States

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Novo Nordisk Investigational Site

Jacksonville, Florida, 32216, United States

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Novo Nordisk Investigational Site

Ocala, Florida, 34470, United States

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Novo Nordisk Investigational Site

Panama City, Florida, 32401, United States

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Novo Nordisk Investigational Site

Plantation, Florida, 33324, United States

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Novo Nordisk Investigational Site

Ponte Vedra, Florida, 32081, United States

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Novo Nordisk Investigational Site

Roswell, Georgia, 30076, United States

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Novo Nordisk Investigational Site

Chicago, Illinois, 60607, United States

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Novo Nordisk Investigational Site

Chicago, Illinois, 60611, United States

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Novo Nordisk Investigational Site

Indianapolis, Indiana, 46260, United States

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Novo Nordisk Investigational Site

Topeka, Kansas, 66606, United States

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Novo Nordisk Investigational Site

Louisville, Kentucky, 40213, United States

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Novo Nordisk Investigational Site

Buckley, Michigan, 49620, United States

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Novo Nordisk Investigational Site

City of Saint Peters, Missouri, 63303, United States

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Novo Nordisk Investigational Site

Butte, Montana, 59701, United States

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Novo Nordisk Investigational Site

Omaha, Nebraska, 68105, United States

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Novo Nordisk Investigational Site

Rochester, New York, 14609, United States

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Novo Nordisk Investigational Site

Salisbury, North Carolina, 28144, United States

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Novo Nordisk Investigational Site

Wilmington, North Carolina, 28401, United States

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Novo Nordisk Investigational Site

West Reading, Pennsylvania, 19611, United States

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Novo Nordisk Investigational Site

Charleston, South Carolina, 29425, United States

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Novo Nordisk Investigational Site

Simpsonville, South Carolina, 29681, United States

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Novo Nordisk Investigational Site

Nashville, Tennessee, 37212-1150, United States

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Novo Nordisk Investigational Site

Austin, Texas, 78749, United States

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Novo Nordisk Investigational Site

Dallas, Texas, 75226, United States

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Novo Nordisk Investigational Site

Dallas, Texas, 75230, United States

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Novo Nordisk Investigational Site

Dallas, Texas, 75234, United States

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Novo Nordisk Investigational Site

Round Rock, Texas, 78681, United States

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Novo Nordisk Investigational Site

Bountiful, Utah, 84010, United States

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Novo Nordisk Investigational Site

Richmond, Virginia, 23294, United States

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Novo Nordisk Investigational Site

Renton, Washington, 98057, United States

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Novo Nordisk Investigational Site

CABA, C1093AAS, Argentina

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Novo Nordisk Investigational Site

Ciudad de Buenos Aires, C1204AAD, Argentina

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Novo Nordisk Investigational Site

Corrientes, 3400, Argentina

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Novo Nordisk Investigational Site

CĂ³rdoba, X5006IKK, Argentina

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Novo Nordisk Investigational Site

Santa Rosa, 6300, Argentina

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Novo Nordisk Investigational Site

Boussu, 7300, Belgium

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Novo Nordisk Investigational Site

Brussels, 1200, Belgium

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Novo Nordisk Investigational Site

Edegem, 2650, Belgium

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Novo Nordisk Investigational Site

Leuven, 3000, Belgium

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Novo Nordisk Investigational Site

Liège, 4000, Belgium

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Novo Nordisk Investigational Site

Plovdiv, 4002, Bulgaria

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Novo Nordisk Investigational Site

Sofia, 1431, Bulgaria

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Novo Nordisk Investigational Site

Sofia, 1606, Bulgaria

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Novo Nordisk Investigational Site

Sofia, 1797, Bulgaria

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Novo Nordisk Investigational Site

Edmonton, Alberta, T6H 2L4, Canada

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Novo Nordisk Investigational Site

Surrey, British Columbia, V3Z 2N6, Canada

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Novo Nordisk Investigational Site

Hamilton, Ontario, L8L 5G8, Canada

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Novo Nordisk Investigational Site

North York, Ontario, M2M 4J5, Canada

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Novo Nordisk Investigational Site

Toronto, Ontario, M4P 1P2, Canada

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Novo Nordisk Investigational Site

Québec, G1V 4G2, Canada

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Novo Nordisk Investigational Site

Québec, G1V 4G5, Canada

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Novo Nordisk Investigational Site

Aarhus N, 8200, Denmark

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Novo Nordisk Investigational Site

Oulu, 90220, Finland

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Novo Nordisk Investigational Site

University of Helsinki, 00014, Finland

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Novo Nordisk Investigational Site

Le Coudray, 28630, France

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Novo Nordisk Investigational Site

Narbonne, 11108, France

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Novo Nordisk Investigational Site

Paris, 75651, France

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Novo Nordisk Investigational Site

Paris, 75908, France

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Novo Nordisk Investigational Site

Pessac, 33600, France

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Novo Nordisk Investigational Site

Pierre-Bénite, 69310, France

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Novo Nordisk Investigational Site

Vénissieux, 69200, France

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Novo Nordisk Investigational Site

Berlin, 12627, Germany

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Novo Nordisk Investigational Site

Bochum, 44787, Germany

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Novo Nordisk Investigational Site

Essen, 45136, Germany

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Novo Nordisk Investigational Site

Essen, 45219, Germany

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Novo Nordisk Investigational Site

Falkensee, 14612, Germany

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Novo Nordisk Investigational Site

Frankfurt, 60313, Germany

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Novo Nordisk Investigational Site

Giessen, 35392, Germany

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Novo Nordisk Investigational Site

Hamburg, 22607, Germany

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Novo Nordisk Investigational Site

Hohenmölsen, 06679, Germany

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Novo Nordisk Investigational Site

Leipzig, 04103, Germany

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Novo Nordisk Investigational Site

Saint Ingbert-OberwĂ¼rzbach, 66386, Germany

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Novo Nordisk Investigational Site

Stuttgart, 70378, Germany

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Novo Nordisk Investigational Site

Wangen, 88239, Germany

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Novo Nordisk Investigational Site

Guntur, Andhra Pradesh, 522001, India

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Novo Nordisk Investigational Site

Secunderabad,, Andhra Pradesh, 500003, India

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Novo Nordisk Investigational Site

Surat, Gujarat, 395002, India

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Novo Nordisk Investigational Site

Rohtak, Haryana, 124001, India

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Novo Nordisk Investigational Site

Thiruvananthapuram, Kerala, 695031, India

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Novo Nordisk Investigational Site

Nagpur, Maharashtra, 440003, India

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Novo Nordisk Investigational Site

Pune, Maharashtra, 411004, India

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Novo Nordisk Investigational Site

Pune, Maharashtra, 411021, India

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Novo Nordisk Investigational Site

New Dehli, New Delhi, 110029, India

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Novo Nordisk Investigational Site

Chennai, Tamil Nadu, 600116, India

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Novo Nordisk Investigational Site

Kolkata, West Bengal, 700054, India

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Novo Nordisk Investigational Site

Hyderabad, 500 012, India

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Novo Nordisk Investigational Site

Ludhiana, 141001, India

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Novo Nordisk Investigational Site

Chiba-shi, Chiba, 260-8677, Japan

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Novo Nordisk Investigational Site

Suita-shi, Osaka, 565-0853, Japan

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Novo Nordisk Investigational Site

Tokyo, 103-0027, Japan

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Novo Nordisk Investigational Site

Tokyo, 103-0028, Japan

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Novo Nordisk Investigational Site

Tokyo, 160-0008, Japan

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Novo Nordisk Investigational Site

Guadalajara, Jalisco, 44670, Mexico

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Novo Nordisk Investigational Site

Hermosillo, Sonora, 83280, Mexico

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Novo Nordisk Investigational Site

MĂ©rida, YucatĂ¡n, 97070, Mexico

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Novo Nordisk Investigational Site

Gdynia, 81-338, Poland

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Novo Nordisk Investigational Site

Lodz, 90-242, Poland

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Novo Nordisk Investigational Site

Poznan, 60-589, Poland

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Novo Nordisk Investigational Site

Szczecin, 70-376, Poland

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Novo Nordisk Investigational Site

San Juan, 00921, Puerto Rico

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Novo Nordisk Investigational Site

Moscow, 117036, Russia

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Novo Nordisk Investigational Site

Novosibirsk, 630099, Russia

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Novo Nordisk Investigational Site

Novosibirsk, 630117, Russia

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Novo Nordisk Investigational Site

Penza, 440026, Russia

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Novo Nordisk Investigational Site

Saint Petersburg, 194358, Russia

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Novo Nordisk Investigational Site

Tomsk, 634041, Russia

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Novo Nordisk Investigational Site

Voronezh, 394018, Russia

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Novo Nordisk Investigational Site

Yaroslavl, 150003, Russia

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Novo Nordisk Investigational Site

Taipei, 100, Taiwan

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Novo Nordisk Investigational Site

Bristol, BS10 5NB, United Kingdom

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Novo Nordisk Investigational Site

Cambridge, CB2 0QQ, United Kingdom

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Novo Nordisk Investigational Site

Coventry, CV2 2DX, United Kingdom

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Novo Nordisk Investigational Site

Glasgow, G31 2ER, United Kingdom

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Novo Nordisk Investigational Site

Liverpool, L9 7AL, United Kingdom

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Novo Nordisk Investigational Site

London, SE1 9RT, United Kingdom

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Novo Nordisk Investigational Site

London, W1T 7HA, United Kingdom

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Novo Nordisk Investigational Site

Norwich, NR4 7UQ, United Kingdom

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Novo Nordisk Investigational Site

Rotherham, S65 1DA, United Kingdom

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Novo Nordisk Investigational Site

Taunton, TA1 5DA, United Kingdom

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Related Publications (11)

  • Kushner RF, Calanna S, Davies M, Dicker D, Garvey WT, Goldman B, Lingvay I, Thomsen M, Wadden TA, Wharton S, Wilding JPH, Rubino D. Semaglutide 2.4 mg for the Treatment of Obesity: Key Elements of the STEP Trials 1 to 5. Obesity (Silver Spring). 2020 Jun;28(6):1050-1061. doi: 10.1002/oby.22794.

    PMID: 32441473BACKGROUND
  • Wilding JPH, Batterham RL, Calanna S, Davies M, Van Gaal LF, Lingvay I, McGowan BM, Rosenstock J, Tran MTD, Wadden TA, Wharton S, Yokote K, Zeuthen N, Kushner RF; STEP 1 Study Group. Once-Weekly Semaglutide in Adults with Overweight or Obesity. N Engl J Med. 2021 Mar 18;384(11):989-1002. doi: 10.1056/NEJMoa2032183. Epub 2021 Feb 10.

  • Schattenberg JM, Gronbaek H, Kliers I, Ladelund S, Long MT, Nygard SB, Sanyal AJ, Davies MJ. Proteomic signatures reflect effects of semaglutide treatment for MASH. JHEP Rep. 2025 Jul 22;7(10):101521. doi: 10.1016/j.jhepr.2025.101521. eCollection 2025 Oct.

  • Kral P, Holst-Hansen T, Olivieri AV, Ivanescu C, Lamotte M, Larsen S. The Correlation Between Body Mass Index and Health-Related Quality of Life: Data from Two Weight Loss Intervention Studies. Adv Ther. 2024 Nov;41(11):4228-4247. doi: 10.1007/s12325-024-02932-8. Epub 2024 Sep 24.

  • Wadden TA, Brown GK, Egebjerg C, Frenkel O, Goldman B, Kushner RF, McGowan B, Overvad M, Fink-Jensen A. Psychiatric Safety of Semaglutide for Weight Management in People Without Known Major Psychopathology: Post Hoc Analysis of the STEP 1, 2, 3, and 5 Trials. JAMA Intern Med. 2024 Nov 1;184(11):1290-1300. doi: 10.1001/jamainternmed.2024.4346.

  • McGowan BM, Houshmand-Oeregaard A, Laursen PN, Zeuthen N, Baker-Knight J. Impact of BMI and comorbidities on efficacy of once-weekly semaglutide: Post hoc analyses of the STEP 1 randomized trial. Obesity (Silver Spring). 2023 Apr;31(4):990-999. doi: 10.1002/oby.23732. Epub 2023 Mar 6.

  • Heerspink HJL, Apperloo E, Davies M, Dicker D, Kandler K, Rosenstock J, Sorrig R, Lawson J, Zeuthen N, Cherney D. Effects of Semaglutide on Albuminuria and Kidney Function in People With Overweight or Obesity With or Without Type 2 Diabetes: Exploratory Analysis From the STEP 1, 2, and 3 Trials. Diabetes Care. 2023 Apr 1;46(4):801-810. doi: 10.2337/dc22-1889.

  • Kosiborod MN, Bhatta M, Davies M, Deanfield JE, Garvey WT, Khalid U, Kushner R, Rubino DM, Zeuthen N, Verma S. Semaglutide improves cardiometabolic risk factors in adults with overweight or obesity: STEP 1 and 4 exploratory analyses. Diabetes Obes Metab. 2023 Feb;25(2):468-478. doi: 10.1111/dom.14890. Epub 2022 Oct 28.

  • Perreault L, Davies M, Frias JP, Laursen PN, Lingvay I, Machineni S, Varbo A, Wilding JPH, Wallenstein SOR, le Roux CW. Changes in Glucose Metabolism and Glycemic Status With Once-Weekly Subcutaneous Semaglutide 2.4 mg Among Participants With Prediabetes in the STEP Program. Diabetes Care. 2022 Oct 1;45(10):2396-2405. doi: 10.2337/dc21-1785.

  • Wilding JPH, Batterham RL, Davies M, Van Gaal LF, Kandler K, Konakli K, Lingvay I, McGowan BM, Oral TK, Rosenstock J, Wadden TA, Wharton S, Yokote K, Kushner RF; STEP 1 Study Group. Weight regain and cardiometabolic effects after withdrawal of semaglutide: The STEP 1 trial extension. Diabetes Obes Metab. 2022 Aug;24(8):1553-1564. doi: 10.1111/dom.14725. Epub 2022 May 19.

  • O'Neil PM, Birkenfeld AL, McGowan B, Mosenzon O, Pedersen SD, Wharton S, Carson CG, Jepsen CH, Kabisch M, Wilding JPH. Efficacy and safety of semaglutide compared with liraglutide and placebo for weight loss in patients with obesity: a randomised, double-blind, placebo and active controlled, dose-ranging, phase 2 trial. Lancet. 2018 Aug 25;392(10148):637-649. doi: 10.1016/S0140-6736(18)31773-2. Epub 2018 Aug 16.

MeSH Terms

Conditions

Nutrition DisordersOverweightObesity

Interventions

semaglutide

Condition Hierarchy (Ancestors)

Nutritional and Metabolic DiseasesOvernutritionBody WeightSigns and SymptomsPathological Conditions, Signs and Symptoms

Results Point of Contact

Title
Clinical Reporting Anchor and Disclosure (1452)
Organization
Novo Nordisk A/S

Study Officials

  • Clinical Reporting Anchor and Disclosure (1452)

    Novo Nordisk A/S

    STUDY DIRECTOR

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
Masking Details
Sponsor staff involved in the clinical trial is masked according to company standard procedures.
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

May 25, 2018

First Posted

June 7, 2018

Study Start

June 4, 2018

Primary Completion

March 30, 2020

Study Completion

March 5, 2021

Last Updated

November 19, 2021

Results First Posted

August 11, 2021

Record last verified: 2021-11

Data Sharing

IPD Sharing
Will share

According to the Novo Nordisk disclosure commitment on novonordisk-trials.com

More information

Locations