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Active, not recruitingNCT07639021Updated Sep 16, 2026

A Research Study Comparing Different Ways of Increasing the Dose of NNC0662-0419 in Participants With Obesity

A Phase 2 interventional study of NNC0662-0419 and Semaglutide in Obesity, sponsored by Novo Nordisk A/S. Active, not recruiting at 25 sites in 2 countries. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2026-09-16.

Sponsored by Novo Nordisk A/S · Phase 2, Interventional, and Treatment

Phase
Phase 2
Study type
Interventional
Enrollment
233
Allocation
Randomized
Ages
18 Years and older
Sex
All
01

Study summary

The purpose of the study is to find out if NNC0662-0419 is safe and effective for treating participants living with obesity.

02

Conditions studied

  • Obesity

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03

In context

Obesity

6,296 studies on the registry are indexed under Obesity; 1,692 are open to participants now.

This study's enrollment of 233 is above the median of 78 across 4,878 interventional studies indexed under Obesity.

Browse Obesity studies →

Lead sponsor

Novo Nordisk A/S is the lead sponsor of 1,370 studies on the registry; 102 are open to participants now.

Of its 198 completed or terminated interventional studies of FDA-regulated products, 94 (47%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • Male or female (sex assigned at birth, inclusive of all gender identities).
  • Age 18 years or above at the time of signing the informed consent.
  • Body mass index (BMI) greater than or equal to (≥) 30.0 kilogram per square meter (kg/m\^2) at screening.
  • Participant must have a desire and be committed to lose at least 25 percentage (%) of their body weight from randomisation.

Exclusion criteria

Exclusion Criteria:

  • Known or suspected hypersensitivity to study intervention(s) or related products.
  • Treatment with any medication prescribed for the indication of obesity or weight management (e.g. glucagon-like-peptide-1 (GLP-1) receptor agonists (RA), dual GLP-1/gastric inhibitory peptide (GIP) RAs (or any other GLP-1 based treatment) or amylin analogues)) within 90 days before screening.
  • Glycated haemoglobin (HbA1c) ≥ 6.5% (48 Millimoles per mole [mmol/mol]) as measured by the central laboratory at screening.
  • History of type 1 or type 2 diabetes mellitus.
05

Study design

Phase
Phase 2
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Quadruple (Participant, Care provider, Investigator, Outcomes assessor)
Enrollment
233 participants (actual)

Study arms

  • Experimental
    NNC0662-0419

    Participants will receive NNC0662-0419 administered subcutaneously in a dose-escalation manner.

    Drug: NNC0662-0419

  • Placebo comparator
    NNC0662-0419 placebo

    Participants will receive NNC0662-0419 placebo administered subcutaneously in a dose-escalation manner.

    Drug: NNC0662-0419 Placebo

  • Experimental
    Semaglutide

    Participants will receive semaglutide administered subcutaneously in a dose-escalation manner.

    Drug: Semaglutide

  • Placebo comparator
    Semaglutide placebo

    Participants will receive semaglutide placebo administered subcutaneously in a dose-escalation manner.

    Drug: Semaglutide placebo

Interventions

  • DrugNNC0662-0419

    NNC0662-0419 will be administered subcutaneously.

  • DrugSemaglutide

    Semaglutide will be administered subcutaneously.

  • DrugNNC0662-0419 Placebo

    Placebo matched to NNC0662-0419 will be administered subcutaneously.

  • DrugSemaglutide placebo

    Placebo matched to semaglutide will be administered subcutaneously.

06

What researchers measure

Primary outcomes

  1. Number of gastrointestinal adverse events

    Measured as number of events.

    Time frame: From week 0 to week 39

Secondary outcomes

  1. Relative change in body weight

    Measured as percentage (%) change.

    Time frame: From week 0 to week 32

  2. Change in body mass index (BMI)

    Measured as kilogram per square meter (kg/m\^2).

    Time frame: From week 0 to week 32

07

Study locations

25 sites
  • Chambliss Clinical Trials, LLC
    Montgomery, Alabama 36106, United States
  • FDRC
    Costa Mesa, California 92627, United States
  • Los Angeles Institute for Metabolic Research
    Los Angeles, California 90015, United States
  • Encore Medical Research LLC
    Hollywood, Florida 33024, United States
  • South Broward Research LLC
    Miramar, Florida 33027, United States
  • West Orange Endocrinology
    Ocoee, Florida 34761, United States
  • Cedar-Crosse Research Center
    Chicago, Illinois 60607, United States
  • Great Lakes Clinical Trials
    Chicago, Illinois 60640, United States
  • Midwest Inst For Clin Res
    Indianapolis, Indiana 46260, United States
  • L-MARC Research Center
    Louisville, Kentucky 40213, United States
  • Endo And Metab Cons
    Rockville, Maryland 20852, United States
  • StudyMetrix Research LLC
    City of Saint Peters, Missouri 63303, United States
  • Great Lakes Medical Research
    Westfield, New York 14787, United States
  • KDCILM, LLC & Accellacare US, Inc.
    Wilmington, North Carolina 28401, United States
  • Family Practice Center of Wadsworth Inc.
    Wadsworth, Ohio 44281-9236, United States
  • UPA Ctr Weight and Eating Dis
    Philadelphia, Pennsylvania 19104, United States
  • Clinical Res Collaborative
    Cumberland, Rhode Island 02864, United States
  • Holston Medical Group_Bristol
    Bristol, Tennessee 37620, United States
  • Holston Medical Group
    Kingsport, Tennessee 37660, United States
  • Clinical Research Associates
    Nashville, Tennessee 37203, United States
  • PlanIt Research, PLLC
    Houston, Texas 77079, United States
  • Pinnacle Clinical Research
    San Antonio, Texas 78222, United States
  • National Clin Res Inc.
    Richmond, Virginia 23294, United States
  • Rainier Clin Res Ctr Inc
    Renton, Washington 98057, United States
  • Isis Clinical Res. Ctr P.S.C.
    Guaynabo, 00968, Puerto Rico
08

References and documents

Individual participant data

Plan to share: Yes — According to the Novo Nordisk disclosure commitment on novonordisk-trials.com

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Sep 16, 2026, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT07639021
Lead sponsor
Novo Nordisk A/S
Responsible party
Sponsor
First posted
Jun 10, 2026
Start date
Jun 9, 2026
Primary completion
Jun 14, 2027 (estimated)
Completion
Jun 14, 2027 (estimated)
Last update
Sep 16, 2026

Study contacts

Clinical Transparency (dept. 2834)
study director · Novo Nordisk A/S

Oversight

Data monitoring committee
No
FDA-regulated drug
Yes
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is active, not recruiting, as verified in Sep 2026. You cannot join it, but the record below documents what was studied.

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