Two-year Research Study Investigating How Well Semaglutide Works in People Suffering From Overweight or Obesity (STEP 5)
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ClinicalTrials.gov Identifier: NCT03693430 |
Recruitment Status :
Completed
First Posted : October 3, 2018
Results First Posted : March 23, 2022
Last Update Posted : July 6, 2023
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Condition or disease | Intervention/treatment | Phase |
---|---|---|
Overweight Obesity | Drug: Semaglutide Drug: Placebo (Semaglutide) | Phase 3 |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 304 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor) |
Primary Purpose: | Treatment |
Official Title: | Two-year Effect and Safety of Semaglutide 2.4 mg Once-weekly in Subjects With Overweight or Obesity |
Actual Study Start Date : | October 5, 2018 |
Actual Primary Completion Date : | January 29, 2021 |
Actual Study Completion Date : | March 23, 2021 |

Arm | Intervention/treatment |
---|---|
Experimental: Semaglutide
Participants will receive semaglutide 2.4 mg during 104-week treatment period in addition to a reduced-calorie diet and increased physical activity.
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Drug: Semaglutide
Subcutaneous (s.c., under the skin) injections of semaglutide once weekly at escalating doses (0.25 mg/week, 0.5 mg/week, 1.0 mg/week, 1.7 mg/week, 2.4 mg/week). The dose will be escalated to next level every 4 weeks |
Placebo Comparator: Placebo
Participants will receive placebo (semaglutide) during 104-week treatment period in addition to a reduced-calorie diet and increased physical activity.
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Drug: Placebo (Semaglutide)
S.c. injections of placebo once weekly at a similar dose escalation manner as semaglutide (placebo matched to semaglutide 0.25 mg/week, 0.5 mg/week, 1.0 mg/week, 1.7 mg/week, 2.4 mg/week). The dose will be escalated to next level every 4 weeks |
- Percentage Change From Baseline (Week 0) to Week 104 in Body Weight [ Time Frame: From Baseline (Week 0) to Week 104 ]Percentage change in body weight for both in-trial and on-treatment observation period from baseline (week 0) to week 104 is presented. The outcome measure was evaluated based on the data from both in-trial and on-treatment periods. In-trial observation period: the uninterrupted time interval from randomisation to last contact with trial site. On-treatment observation period: the interval from first to last trial product administration plus 2 weeks of follow-up and excluding any period of temporary treatment interruption defined as >2 consecutive missed doses (corresponding to >2 weeks off-treatment).
- Number of Participants Who Achieved (Yes/no): Body Weight Reduction More Than or Equal to 5% [ Time Frame: At Week 104 ]Number of participants who achieved greater than or equal to (>=) 5% weight loss at 104 weeks is presented. In the reported data, 'Yes' infers the number of participants who have achieved >=5% weight loss, whereas 'No' infers the number of participants who have not achieved >=5% weight loss. The outcome measure was evaluated based on the data from both in-trial and on-treatment periods. In-trial observation period: the uninterrupted time interval from randomisation to last contact with trial site. On-treatment observation period: the interval from first to last trial product administration plus 2 weeks of follow-up and excluding any period of temporary treatment interruption defined as >2 consecutive missed doses (corresponding to >2 weeks off-treatment).
- Number of Participants Who Achieved (Yes/no): Body Weight Reduction More Than or Equal to 10% [ Time Frame: At Week 104 ]Number of participants who achieved >=10% weight loss at 104 weeks is presented. In the reported data, 'Yes' infers the number of participants who have achieved >=10% weight loss, whereas 'No' infers the number of participants who have not achieved >=10% weight loss. The outcome measure was evaluated based on the data from in-trial observation period. In-trial observation period: the uninterrupted time interval from randomisation to last contact with trial site.
- Number of Participants Who Achieved (Yes/no): Body Weight Reduction More Than or Equal to 15% [ Time Frame: At Week 104 ]Number of participants who achieved >=15% weight loss at 104 weeks is presented. In the reported data, 'Yes' infers the number of participants who have achieved >=15% weight loss, whereas 'No' infers the number of participants who have not achieved >=15% weight loss. The outcome measure was evaluated based on the data from in-trial observation period. In-trial observation period: the uninterrupted time interval from randomisation to last contact with trial site.
- Number of Participants Who Achieved (Yes/no): Body Weight Reduction More Than or Equal to 20% [ Time Frame: At Week 104 ]Number of participants who achieved >=20% weight loss at 104 weeks is presented. In the reported data, 'Yes' infers the number of participants who have achieved >=20% weight loss, whereas 'No' infers the number of participants who have not achieved >=20% weight loss. The outcome measure was evaluated based on the data from in-trial observation period. In-trial observation period: the uninterrupted time interval from randomisation to last contact with trial site.
- Change From Baseline (Week 0) to Week 104 in Waist Circumference [ Time Frame: From Baseline (Week 0) to Week 104 ]Change in waist circumference from baseline (week 0) to week 104 is presented. The outcome measure was evaluated based on the data from in-trial observation period. In-trial observation period: the uninterrupted time interval from randomisation to last contact with trial site.
- Change From Baseline (Week 0) to Week 104 in Body Weight (kg) [ Time Frame: From Baseline (Week 0) to Week 104 ]Change in body weight from baseline (week 0) to week 104 in kilogram (kg) is presented. The outcome measure was evaluated based on the data from in-trial observation period. In-trial observation period: the uninterrupted time interval from randomisation to last contact with trial site.
- Change From Baseline (Week 0) to Week 104 in Body Mass Index (BMI) [ Time Frame: From Baseline (Week 0) to Week 104 ]Change in BMI from baseline (week 0) to week 104 is presented. The outcome measure was evaluated based on the data from in-trial observation period. In-trial observation period: the uninterrupted time interval from randomisation to last contact with trial site.
- Change From Baseline (Week 0) to Week 104 in Systolic Blood Pressure [ Time Frame: From Baseline (Week 0) to Week 104 ]Change in systolic blood pressure from baseline (week 0) to week 104 is presented. The outcome measure was evaluated based on the data from in-trial observation period. In-trial observation period: the uninterrupted time interval from randomisation to last contact with trial site.
- Change From Baseline (Week 0) to Week 104 in Diastolic Blood Pressure [ Time Frame: From Baseline (Week 0) to Week 104 ]Change in diastolic blood pressure from baseline (week 0) to week 104 is presented. The outcome measure was evaluated based on the data from in-trial observation period. In-trial observation period: the uninterrupted time interval from randomisation to last contact with trial site.
- Change in Total Cholesterol-ratio to Baseline [ Time Frame: From Baseline (Week 0) to Week 104 ]Change in total cholesterol from baseline (week 0) to week 104 measured in milligrams per deciliter (mg/dL) is presented as ratio to baseline. The outcome measure was evaluated based on the data from in-trial observation period. In-trial observation period: the uninterrupted time interval from randomisation to last contact with trial site.
- Change in High Density Lipoprotein (HDL) Cholesterol-ratio to Baseline [ Time Frame: From Baseline (Week 0) to Week 104 ]Change in HDL cholesterol from baseline (week 0) to week 104 measured in mg/dL is presented as ratio to baseline. The outcome measure was evaluated based on the data from in-trial observation period. In-trial observation period: the uninterrupted time interval from randomisation to last contact with trial site.
- Change in Low Density Lipoprotein (LDL) Cholesterol-ratio to Baseline [ Time Frame: From Baseline (Week 0) to Week 104 ]Change in LDL cholesterol from baseline (week 0) to week 104 measured in mg/dL is presented as ratio to baseline. The outcome measure was evaluated based on the data from in-trial observation period. In-trial observation period: the uninterrupted time interval from randomisation to last contact with trial site.
- Change in Very Low Density Lipoprotein (VLDL) Cholesterol-ratio to Baseline [ Time Frame: From Baseline (Week 0) to Week 104 ]Change in VLDL cholesterol from baseline (week 0) to week 104 measured in mg/dL is presented as ratio to baseline. The outcome measure was evaluated based on the data from in-trial observation period. In-trial observation period: the uninterrupted time interval from randomisation to last contact with trial site.
- Change in Free Fatty Acids-ratio to Baseline [ Time Frame: From Baseline (Week 0) to Week 104 ]Change in free fatty acids from baseline (week 0) to week 104 measured in mg/dL is presented as ratio to baseline. The outcome measure was evaluated based on the data from in-trial observation period. In-trial observation period: the uninterrupted time interval from randomisation to last contact with trial site.
- Change in Triglycerides-ratio to Baseline [ Time Frame: From Baseline (Week 0) to Week 104 ]Change in triglycerides from baseline (week 0) to week 104 measured in mg/dL is presented as ratio to baseline. The outcome measure was evaluated based on the data from in-trial observation period. In-trial observation period: the uninterrupted time interval from randomisation to last contact with trial site.
- Change in High Sensitivity C-reactive Protein (hsCRP)-Ratio to Baseline [ Time Frame: From Baseline (Week 0) to Week 104 ]Change in hsCRP from baseline (week 0) to week 104 measured in mg/dL is presented as ratio to baseline. The outcome measure was evaluated based on the data from in-trial observation period. In-trial observation period: the uninterrupted time interval from randomisation to last contact with trial site.
- Change in Glycated Haemoglobin (HbA1c) (Percent [%]) [ Time Frame: From Baseline (Week 0) to Week 104 ]Change in HbA1c from baseline (week 0) to week 104 in % is presented. The outcome measure was evaluated based on the data from in-trial observation period. In-trial observation period: the uninterrupted time interval from randomisation to last contact with trial site.
- Change From Baseline (Week 0) to Week 104 in HbA1c (mmol/Mol) [ Time Frame: From Baseline (Week 0) to Week 104 ]Change in HbA1c from baseline (week 0) to week 104 in millimole per mole (mmol/mol) is presented. The outcome measure was evaluated based on the data from in-trial observation period. In-trial observation period: the uninterrupted time interval from randomisation to last contact with trial site.
- Change From Baseline (Week 0) to Week 104 in Fasting Plasma Glucose (FPG) (mmol/L) [ Time Frame: From Baseline (Week 0) to Week 104 ]Change in FPG from baseline (week 0) to week 104 in millimoles per liter (mmol/L) is presented. The outcome measure was evaluated based on the data from in-trial observation period. In-trial observation period: the uninterrupted time interval from randomisation to last contact with trial site.
- Change From Baseline (Week 0) to Week 104 in FPG (mg/dL) [ Time Frame: From Baseline (Week 0) to Week 104 ]Change in FPG from baseline (week 0) to week 104 in mg/dL is presented. The outcome measure was evaluated based on the data from in-trial observation period. In-trial observation period: the uninterrupted time interval from randomisation to last contact with trial site.
- Change in Fasting Serum Insulin-ratio to Baseline (Pmol/L) [ Time Frame: From Baseline (Week 0) to Week 104 ]Change in fasting serum insulin from baseline (week 0) to week 104 measured in picomole per liter (pmol) is presented as ratio to baseline. The outcome measure was evaluated based on the data from in-trial observation period. In-trial observation period: the uninterrupted time interval from randomisation to last contact with trial site.
- Change in Fasting Serum Insulin-ratio to Baseline (mIU/mL) [ Time Frame: From Baseline (Week 0) to Week 104 ]Change in fasting serum insulin from baseline (week 0) to week 104 measured in milli-international units per milliliter (mIU/mL) is presented as ratio to baseline. The outcome measure was evaluated based on the data from in-trial observation period. In-trial observation period: the uninterrupted time interval from randomisation to last contact with trial site.
- Percentage Change From Baseline (Week 0) to Week 52 in Body Weight [ Time Frame: From Baseline (Week 0) to Week 52 ]Percentage change in body weight from baseline (week 0) to week 52 is presented.
- Change From Baseline (Week 0) to Week 52 in Body Weight (kg) [ Time Frame: From Baseline (Week 0) to Week 52 ]Change in body weight from baseline (week 0) to week 52 in kg is presented.
- Change From Baseline (Week 0) to Week 52 in Body Mass Index (BMI) [ Time Frame: From Baseline (Week 0) to Week 52 ]Change in BMI from baseline (week 0) to week 52 is presented.
- Change From Baseline (Week 0) to Week 52 in Waist Circumference [ Time Frame: From Baseline (Week 0) to Week 52 ]Change in waist circumference from baseline (week 0) to week 52 is presented.
- Number of Participants Who at 52 Weeks Achieved (Yes/no): Body Weight Reduction More Than or Equal to 5% [ Time Frame: At Week 52 ]Number of participants who achieved >=5% weight loss at 52 weeks is presented. In the reported data, 'Yes' infers the number of participants who have achieved >=5% weight loss, whereas 'No' infers the number of participants who have not achieved >=5% weight loss.
- Number of Participants Who at 52 Weeks Achieved (Yes/no): Body Weight Reduction More Than or Equal to 10% [ Time Frame: At Week 52 ]Number of participants who achieved >=10% weight loss at 52 weeks is presented. In the reported data, 'Yes' infers the number of participants who have achieved >=10% weight loss, whereas 'No' infers the number of participants who have not achieved >=10% weight loss.
- Number of Participants Who at 52 Weeks Achieved (Yes/no): Body Weight Reduction More Than or Equal to 15% [ Time Frame: At Week 52 ]Number of participants who achieved >=15% weight loss at 52 weeks is presented. In the reported data, 'Yes' infers the number of participants who have achieved >=15% weight loss, whereas 'No' infers the number of participants who have not achieved >=15% weight loss.
- Number of Participants Who at 52 Weeks Achieved (Yes/no): Body Weight Reduction More Than or Equal to 20% [ Time Frame: At Week 52 ]Number of participants who achieved >=20% weight loss at 52 weeks is presented. In the reported data, 'Yes' infers the number of participants who have achieved >=20% weight loss, whereas 'No' infers the number of participants who have not achieved >=20% weight loss.
- Number of Treatment-emergent Adverse Events (TEAEs) [ Time Frame: From Baseline (Week 0) to Week 111 ]An adverse event (AE) was defined as any unfavourable and unintended sign (including an abnormal laboratory finding), symptom or disease temporally associated with the use of a product, whether or not considered related to the product. All AEs mentioned here are TEAE defined as an event that had onset date (or increase in severity) on or after the first day of exposure to treatment. The outcome measure was evaluated based on the data from on-treatment observation period, which was defined as the interval from first to last trial product administration plus 7 weeks of follow-up and excluding any period of temporary treatment interruption defined as >7 consecutive missed doses (corresponding to >7 weeks off-treatment).
- Number of Serious Adverse Events (SAEs) [ Time Frame: From Baseline (Week 0) to Week 111 ]A SAE was defined as any untoward medical occurrence that at any dose results in death, or is life-threatening, or requires inpatient hospitalization or causes prolongation of existing hospitalization results in persistent or significant disability/incapacity, or may have caused a congenital anomaly/birth defect, or requires intervention to prevent permanent impairment or damage. The SAEs occurred from week 0 to week 111 is presented. The outcome measure was evaluated based on the data from on-treatment observation period, which was defined as the interval from first to last trial product administration plus 7 weeks of follow-up and excluding any period of temporary treatment interruption defined as >7 consecutive missed doses (corresponding to >7 weeks off-treatment).
- Change From Baseline (Week 0) to Week 104 in Pulse [ Time Frame: From Baseline (Week 0) to Week 104 ]Change in pulse from baseline (week 0) to week 104 is presented. The outcome measure was evaluated based on the data from on-treatment observation period, which was defined as the interval from first to last trial product administration plus 2 weeks of follow-up and excluding any period of temporary treatment interruption defined as >2 consecutive missed doses (corresponding to >2 weeks off-treatment).
- Change From Baseline (Week 0) to Week 104 in Amylase [ Time Frame: From Baseline (Week 0) to Week 104 ]Change in amylase from baseline (week 0) to week 104 is presented. The outcome measure was evaluated based on the data from on-treatment observation period, which was defined as the interval from first to last trial product administration plus 2 weeks of follow-up and excluding any period of temporary treatment interruption defined as >2 consecutive missed doses (corresponding to >2 weeks off-treatment).
- Change From Baseline (Week 0) to Week 104 in Lipase [ Time Frame: From Baseline (Week 0) to Week 104 ]Change in lipase from baseline (week 0) to week 104 is presented. The outcome measure was evaluated based on the data from on-treatment observation period, which was defined as the interval from first to last trial product administration plus 2 weeks of follow-up and excluding any period of temporary treatment interruption defined as >2 consecutive missed doses (corresponding to >2 weeks off-treatment).
- Change From Baseline (Week 0) to Week 104 in Calcitonin [ Time Frame: From Baseline (Week 0) to Week 104 ]Change in calcitonin from baseline (week 0) to week 104 is presented. The outcome measure was evaluated based on the data from on-treatment observation period, which was defined as the interval from first to last trial product administration plus 2 weeks of follow-up and excluding any period of temporary treatment interruption defined as >2 consecutive missed doses (corresponding to >2 weeks off-treatment).

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
Ages Eligible for Study: | Child, Adult, Older Adult |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Male or female, age more than or equal to 18 years at the time of signing informed consent
- Body mass index (BMI) more than or equal to 30 kg/m^2 or more than or equal to 27 kg/m^2 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
Exclusion criteria:
- HbA1c more than or equal to 48 mmol/mol (6.5%) as measured by the central laboratory at screening
- A self-reported change in body weight more than 5 kg (11 lbs) within 90 days before screening irrespective of medical records

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT03693430
United States, Alabama | |
Novo Nordisk Investigational Site | |
Birmingham, Alabama, United States, 35222 | |
United States, California | |
Novo Nordisk Investigational Site | |
Los Angeles, California, United States, 90057 | |
United States, Colorado | |
Novo Nordisk Investigational Site | |
Aurora, Colorado, United States, 80045 | |
Novo Nordisk Investigational Site | |
Golden, Colorado, United States, 80401 | |
United States, Connecticut | |
Novo Nordisk Investigational Site | |
Waterbury, Connecticut, United States, 06708 | |
United States, Florida | |
Novo Nordisk Investigational Site | |
Jacksonville, Florida, United States, 32205 | |
Novo Nordisk Investigational Site | |
Ocala, Florida, United States, 34471 | |
United States, Missouri | |
Novo Nordisk Investigational Site | |
Saint Peters, Missouri, United States, 63303 | |
United States, Montana | |
Novo Nordisk Investigational Site | |
Butte, Montana, United States, 59701 | |
United States, New York | |
Novo Nordisk Investigational Site | |
Albany, New York, United States, 12203 | |
Novo Nordisk Investigational Site | |
Rochester, New York, United States, 14609 | |
United States, Tennessee | |
Novo Nordisk Investigational Site | |
Kingsport, Tennessee, United States, 37660 | |
United States, Texas | |
Novo Nordisk Investigational Site | |
Austin, Texas, United States, 78731 | |
Novo Nordisk Investigational Site | |
Round Rock, Texas, United States, 78681 | |
United States, Virginia | |
Novo Nordisk Investigational Site | |
Arlington, Virginia, United States, 22206 | |
Canada, British Columbia | |
Novo Nordisk Investigational Site | |
Surrey, British Columbia, Canada, V3Z 2N6 | |
Canada, New Brunswick | |
Novo Nordisk Investigational Site | |
Moncton, New Brunswick, Canada, E1G 1A7 | |
Canada, Nova Scotia | |
Novo Nordisk Investigational Site | |
Halifax, Nova Scotia, Canada, B3H 1V7 | |
Canada, Ontario | |
Novo Nordisk Investigational Site | |
Hamilton, Ontario, Canada, L8L 5G8 | |
Novo Nordisk Investigational Site | |
Hamilton, Ontario, Canada, L8M 1K7 | |
Novo Nordisk Investigational Site | |
Toronto, Ontario, Canada, M4G 3E8 | |
Novo Nordisk Investigational Site | |
Toronto, Ontario, Canada, M4P 1P2 | |
Canada, Quebec | |
Novo Nordisk Investigational Site | |
Montreal, Quebec, Canada, H4N 2W2 | |
Canada | |
Novo Nordisk Investigational Site | |
Quebec, Canada, G1V 4G2 | |
Hungary | |
Novo Nordisk Investigational Site | |
Budapest, Hungary, 1132 | |
Novo Nordisk Investigational Site | |
Budapest, Hungary, 1152 | |
Novo Nordisk Investigational Site | |
Budapest, Hungary, H-1134 | |
Novo Nordisk Investigational Site | |
Debrecen, Hungary, 4043 | |
Novo Nordisk Investigational Site | |
Komarom, Hungary, 2900 | |
Novo Nordisk Investigational Site | |
Szekszárd, Hungary, 7100 | |
Italy | |
Novo Nordisk Investigational Site | |
Bologna, Italy, 40138 | |
Novo Nordisk Investigational Site | |
Palermo, Italy, 90127 | |
Novo Nordisk Investigational Site | |
Pisa, Italy, 56124 | |
Novo Nordisk Investigational Site | |
Rome, Italy, 00168 | |
Novo Nordisk Investigational Site | |
Siena, Italy, 53100 | |
Spain | |
Novo Nordisk Investigational Site | |
Alcorcón, Spain, 28922 | |
Novo Nordisk Investigational Site | |
Almeria, Spain, 04009 | |
Novo Nordisk Investigational Site | |
Hospitalet de Llobregat, Spain, 08907 | |
Novo Nordisk Investigational Site | |
Pamplona, Spain, 31008 | |
Novo Nordisk Investigational Site | |
Pozuelo de Alarcon, Spain, 28223 | |
Novo Nordisk Investigational Site | |
Sevilla, Spain, 41010 |
Study Director: | Clinical Reporting Anchor and Disclosure (1452) | Novo Nordisk A/S |
Documents provided by Novo Nordisk A/S:
Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
Responsible Party: | Novo Nordisk A/S |
ClinicalTrials.gov Identifier: | NCT03693430 |
Other Study ID Numbers: |
NN9536-4378 2017-003726-32 ( Registry Identifier: European Medicines Agency (EudraCT) ) U1111-1202-1740 ( Other Identifier: World Health Organization (WHO) ) |
First Posted: | October 3, 2018 Key Record Dates |
Results First Posted: | March 23, 2022 |
Last Update Posted: | July 6, 2023 |
Last Verified: | July 2023 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | Yes |
Plan Description: | According to the Novo Nordisk disclosure commitment on novonordisk-trials.com |
URL: | http://novonordisk-trials.com |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
Obesity Overweight Overnutrition Nutrition Disorders Body Weight |