2025-522699-94-00RecruitingPhase 3
Maridebart Cafraglutide versus Placebo in Adult Participants with Obstructive Sleep Apnea not on Positive Airway Pressure Therapy (MARITIME-OSA-2)
A Phase 3 Randomized, Double-blind,Placebo-controlled Study to Evaluate the Efficacy, Safety, and Tolerability of Maridebart Cafraglutide in Adult Participants with Obstructive Sleep Apnea not on Positive Airway Pressure Therapy and Living with Overweight or Obesity (MARITIME-OSA-2)
Source: EU CTIS (euclinicaltrials.eu) · Last updated 2 Nov 2026
Brief summary (registry, in English)
To demonstrate that maridebart cafraglutide is superior to placebo for improvement in Apnea-Hypopnea Index (AHI)
- Status (registry)
- Recruiting
- Phase (registry)
- Phase 3
- Study type
- Interventional
- Enrollment
- 120 (estimated)
- First submitted
- 23 Sept 2025
- Start date
- 9 Feb 2026
- Lead sponsor
- Amgen Inc.
- Diseases
- Obesity
- EU CT number
- 2025-522699-94-00
What you commit to
- Study type: Interventional · Phase 3
- Planned participants: 120
- 28 sites in 6 countries
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of EU CTIS (euclinicaltrials.eu). It describes the study design.
AI-kivonat: who the study is looking for
Machine-read from the registry text on this page, so it can be wrong. The registry text below and the trial team decide who can take part.
The trial is looking for adults with moderate-to-severe obstructive sleep apnea who are living with overweight or obesity and do not use PAP therapy. It compares maridebart cafraglutide with placebo.
- Age
- 18 years or older (or the legal age in the country, if it is higher than 18).
- Sex
- All sexes can join.
- Disease stage
- Moderate-to-severe obstructive sleep apnea, with an AHI of 15 or higher, and a BMI of 27 kg/m2 or higher.
- Earlier treatment
- At least 1 unsuccessful attempt at weight loss by diet and exercise. No PAP therapy for at least 4 weeks before screening. Unwilling or unable to use PAP and does not plan to use it during the study.
- Biomarker or test result
- AHI of 15 or higher on a sleep test (PSG) on day 1 before randomization.
Main reasons for not taking part
- Type 1 or Type 2 diabetes, or any other type of diabetes
- Any heart failure
- Previous or planned upper airway surgery or major ear, nose, or throat surgery for OSA
- Previous or planned surgery, endoscopic or device treatment for obesity
- History of chronic pancreatitis, or acute pancreatitis within 180 days before screening
Read by machine on 9 Nov 2026.
Who cannot take part
Copied verbatim from EU CTIS (euclinicaltrials.eu) and grouped by topic. Only the trial team decides who can take part.
Prior treatment
- Had any previous or planned upper airway surgery or major ear, nose, or throat surgery for OSA
- History of acute pancreatitis within 180 days before screening.
- Self-reported change in body weight > 5 kg within 90 days before screening.
- Previous or planned (during the study) surgical, endoscopic, or device-based treatment for obesity.
Other illness
- Obesity induced by other endocrine disorders or monogenetic or syndromic forms of obesity.
- Have Type 1 or Type 2 Diabetes Mellitus, or any other type of diabetes, history of ketoacidosis, or hyperosmolar state/coma
- History of clinically relevant medical, behavioral, or psychiatric disorder, other than OSA, that is associated with insomnia or excessive sleepiness in the opinion of the investigator
- History of malignancy within the last 5 years before screening (except nonmelanoma skin cancers, breast ductal carcinoma in situ, cervical carcinoma in situ, or prostate cancer in situ that have been treated with curative intent).
- All heart failure, including New York Heart Association Class IV.
- History of chronic pancreatitis.
- Respiratory diseases such as obesity hypoventilation syndrome or daytime hypercapnia, or neuromuscular diseases such as myasthenia gravis or other conditions that could interfere with the results of the trial in the opinion of the investigator.
Other
- Clinically significant gastric-emptying abnormality (including, but not limited to gastroparesis and gastric outlet obstruction
- Significant craniofacial abnormalities that may affect breathing at screening.
- Diagnosis of Central Apnea or Mixed Sleep with proportion of mixed or central apneas/hypopneas ≥ 50%, and/or diagnosis of Cheyne Stokes Respiration.
- Active device treatment of OSA, or other treatments, that in the opinion of the investigator, may interfere with study outcomes
Who the study is looking for
- "Participant has provided informed consent before initiation of any study-specific activities/procedures."
- Age ≥ 18 years (or ≥ legal age within the country if it is older than 18 years).
- Documented history of previously diagnosed moderate-to-severe OSA with an AHI ≥ 15, as diagnosed with PSG, HSAT (REI ≥ 15 by HSAT), or other method that meets local guidelines before screening.
- AHI ≥ 15 on PSG at day 1 before randomization.
- BMI ≥ 27 kg/m2 at screening.
- History of at least 1 unsuccessful attempt at weight loss by diet and exercise.
- "Participants must not have used PAP therapy for at least 4 weeks before screening, are unwilling/unable to use PAP, and do not plan to use PAP therapy during the study."
Age in the registry: 18 years to - · Sex: All · Does not accept healthy volunteers
Sites (28)
Sites in registry order. Save your city in your profile to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| Nemocnice Rudolfa a Stefanie Benesov a.s. nemocnice Stredoceskeho kraje | Benesov | Czechia | Recruiting |
| Fakultni nemocnice Brno | Brno | Czechia | Recruiting |
| Cerebrovaskularni poradna s.r.o. | Moravska Ostrava A Privoz | Czechia | Recruiting |
| Advanced Sleep Research GmbH | Berlin | Germany | Recruiting |
| InnoDiab Forschung Gmbh | Essen | Germany | Recruiting |
| Diabeteszentrum Hamburg West (DZHW) Gemeinschaftspraxis Dr. Wendisch, Dr. Dahl und Prof. Dr. Aberle | Hamburg | Germany | Recruiting |
| Siteworks GmbH | Hanover | Germany | Recruiting |
| Siteworks GmbH | Karlsruhe | Germany | Recruiting |
| R.E.D. Institut fuer medizinische Studien und Fortbildung GmbH | Oldenburg in Holstein | Germany | Recruiting |
| Instituto Medico Quirurgico San Rafael S.A. | A Coruna | Spain | Recruiting |
| Centro Medico Teknon - Grupo Quironsalud | Barcelona | Spain | Recruiting |
| Hospital Universitari Vall d'Hebron | Barcelona | Spain | Recruiting |
| Hospital Nisa Sevilla Aljarafe | Castilleja De La Cuesta | Spain | Recruiting |
| Hospital Universitario 12 de Octubre | Madrid | Spain | Recruiting |
| Hospital Universitario Quironsalud Madrid | Pozuelo de Alarcón | Spain | Recruiting |
| Centre Hospitalier Universitaire D'Angers | Angers | France | Not yet recruiting |
| Centre hospitalier Universitaire de Bordeaux | Bordeaux | France | Not yet recruiting |
| Centre Hospitalier Universitaire Grenoble Alpes | Grenoble Cedex 09 | France | Not yet recruiting |
| Centre Hospitalier Universitaire de Montpellier | Montpellier | France | Not yet recruiting |
| Hospices Civils de Lyon | Pierre-Bénite | France | Not yet recruiting |
| Somnius Kft. | Budapest I | Hungary | Recruiting |
| University of Debrecen | Debrecen | Hungary | Recruiting |
| Erzsebet Gondozohaz Kft. | Gödöllő | Hungary | Recruiting |
| Somnius Kft. | Szeged | Hungary | Recruiting |
| Református Pulmonológiai Centrum | Törökbálint | Hungary | Recruiting |
| Uniwersytecki Szpital Kliniczny w Bialymstoku | Bialystok | Poland | Recruiting |
| Uniwersytecki Szpital Kliniczny w Poznaniu | Poznan | Poland | Recruiting |
| Narodowy Instytut Kardiologii Stefana Kardynala Wyszynskiego Panstwowy Instytut Badawczy | Warsaw | Poland | Recruiting |
This page is information, not medical advice. Discuss any trial with your doctor.