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Extension Trial to Evaluate the Long-term Efficacy, Safety, and Tolerability of Maridebart Cafraglutide (MARITIME-1-EXTENSION)

29. juni 2026 opdateret af: Amgen

A Phase 3, Randomized, Double-Blind Extension Trial to Evaluate the Long-term Efficacy, Safety, and Tolerability of Maridebart Cafraglutide in Participants With Obesity or Overweight

The primary objective of this trial is to evaluate the long-term efficacy, safety, and tolerability of maridebart cafraglutide in participants with obesity or overweight. Trial 20250197 is an extension of trial 20210181 (NCT06858839).

Studieoversigt

Status

Ikke rekrutterer endnu

Betingelser

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

3200

Fase

  • Fase 3

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiekontakt

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

  • Voksen
  • Ældre voksen

Tager imod sunde frivillige

Ingen

Beskrivelse

Inclusion Criteria:

  • Signed informed consent form (ICF) which includes compliance with the requirements and restrictions listed in the ICF and in this protocol.
  • Completed the parent trial (2010181)
  • Completed week 72 visit in parent trial
  • Did not permanently discontinue trial intervention in parent trial
  • Randomized within 7 Days of week 72 visit in the parent trial
  • Participants must use protocol-specified contraception during treatment, and for an additional 16 weeks after the last dose of trial intervention

Exclusion Criteria:

  • Planned (during the trial) surgical, endoscopic, or device-based treatment for obesity
  • Body mass index ≤ 18.5 kilograms per meter square (kg/m^2)
  • Participant has known sensitivity to any of the products or components to be administered during dosing
  • History of ischemic optic neuropathy
  • Any malignancy diagnosed during parent trial (20210181) except for the following treated with curative intent: nonmelanoma skin cancers, breast ductal carcinoma in situ, cervical carcinoma in situ, or prostate cancer in situ.
  • Newly identified (i.e., identified during 20210181) multiple endocrine neoplasia syndrome type 2 or family (first-degree relative[s]) history of medullary thyroid cancer.
  • Patient Health Questionnaire-9 (PHQ-9) score of ≥ 15 at week 72 visit from parent trial before randomization
  • Any suicidal ideation of category 4 or 5 OR any suicidal behavior on the Columbia-Suicide Severity Rating Scale (C-SSRS) Since Last Visit version at week 72 visit from parent trial before randomization.
  • Participant unlikely to be able to complete all protocol-required procedures, restrictions and requirements, in the judgment of the individual and investigator.
  • History or evidence of any other clinically significant disorder, condition, or disease (including, but not limited to known drug or alcohol abuse, eating disorders, and conditions identified during the parent trial) that, in the opinion of the investigator, would pose a risk to participant safety.
  • Currently pregnant (confirmed with positive pregnancy test) or breastfeeding or
  • Planning to become pregnant or breastfeed while on trial until an additional 16 weeks after the last dose of trial intervention.
  • Major surgical procedures planned during the trial.
  • Participants with minor surgical procedures (not requiring general anesthesia or deep sedation) planned during the trial may be eligible at the discretion of the investigator.
  • Investigative site personnel directly affiliated with the trial and/or their immediate family (ie, spouse, parent, child, or sibling, whether biological or legally adopted).

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Dobbelt

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Maridebart Cafraglutide Low Dose Q4W
Participants who received low dose of maridebart cafraglutide in the parent trial (20210181 [NCT06858839]) will continue to receive low dose of maridebart cafraglutide subcutaneously (SC) once in 4 weeks(Q4W).
Administered subcutaneously
Andre navne:
  • AMG 133
  • Maritide
Eksperimentel: Maridebart Cafraglutide Medium Dose Q4W
Participants who received medium dose of maridebart cafraglutide in the parent trial will be re-randomized in this trial to receive medium dose of maridebart cafraglutide SC Q4W.
Administered subcutaneously
Andre navne:
  • AMG 133
  • Maritide
Eksperimentel: Maridebart Cafraglutide Medium Dose Q8W
Participants who received medium dose of maridebart cafraglutide in the parent trial will be re-randomized in this trial to receive medium dose of maridebart cafraglutide SC once in 8weeks (Q8W).
Administered subcutaneously
Andre navne:
  • AMG 133
  • Maritide
Placebo komparator: Placebo Q4W (Received Medium Dose Maridebart Cafraglutide in Parent Trial)
Participants who received medium dose of maridebart cafraglutide in the parent trial will be re-randomized in this trial to receive placebo SC Q4W.
Indgives subkutant.
Eksperimentel: Maridebart Cafraglutide High Dose Q4W
Participants who received high dose of maridebart cafraglutide in the parent trial will be re-randomized in this trial to receive high dose of maridebart cafraglutide SC Q4W.
Administered subcutaneously
Andre navne:
  • AMG 133
  • Maritide
Eksperimentel: Maridebart Cafraglutide High Dose Q8W
Participants who received high dose of maridebart cafraglutide in the parent trial will be re-randomized in this trial to receive high dose of maridebart cafraglutide SC Q8W.
Administered subcutaneously
Andre navne:
  • AMG 133
  • Maritide
Eksperimentel: Maridebart Cafraglutide High Dose Q12W
Participants who received high dose of maridebart cafraglutide in the parent trial will be re-randomized in this trial to receive high dose of maridebart cafraglutide SC once in 12 weeks (Q12W).
Administered subcutaneously
Andre navne:
  • AMG 133
  • Maritide
Placebo komparator: Placebo Q4W (Received High Dose Maridebart Cafraglutide in Parent Trial)
Participants who received high dose of maridebart cafraglutide in the parent trial will be re-randomized in this trial to receive placebo SC Q4W.
Indgives subkutant.
Eksperimentel: Maridebart Cafraglutide High Dose Q4W (Received Placebo in the Parent Trial)
Participants who received placebo in the parent trial will receive high dose of maridebart cafraglutide SC Q4W. Prior to initiating the assigned high dose, participants will undergo a dose-escalation phase gradually increasing doses.
Administered subcutaneously
Andre navne:
  • AMG 133
  • Maritide
Eksperimentel: Maridebart Cafraglutide Low Dose Q4W(Received Very Low Dose Maridebart Cafraglutide in Parent Trial)
Participants who permanently de-escalated to very low dose of maridebart cafraglutide in the parent trial will receive low dose of maridebart cafraglutide SC Q4W.
Administered subcutaneously
Andre navne:
  • AMG 133
  • Maritide

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Tidsramme
Percent Change in Body Weight from Baseline of the Parent Trial (20210181)
Tidsramme: Baseline of parent trial (20210181) to Week 48 of current trial
Baseline of parent trial (20210181) to Week 48 of current trial
Number of Participants Experiencing Treatment-emergent Adverse Events (TEAEs) and Serious Adverse Events (SAEs)
Tidsramme: Baseline of current trial up to 60 weeks
Baseline of current trial up to 60 weeks

Sekundære resultatmål

Resultatmål
Tidsramme
Percentage of Participants Achieving ≥5% Reduction in Body Weight from Baseline of the Parent Trial
Tidsramme: Baseline of parent trial to Week 48 of current trial
Baseline of parent trial to Week 48 of current trial
Percentage of Participants Achieving ≥10% Reduction in Body Weight from Baseline of the Parent Trial
Tidsramme: Baseline of parent trial to Week 48 of current trial
Baseline of parent trial to Week 48 of current trial
Percentage of Participants Achieving ≥15% Reduction in Body Weight from Baseline of the Parent Trial
Tidsramme: Baseline of parent trial to Week 48 of current trial
Baseline of parent trial to Week 48 of current trial
Percentage of Participants Achieving ≥20% Reduction in Body Weight from Baseline of the Parent Trial
Tidsramme: Baseline of parent trial to Week 48 of current trial
Baseline of parent trial to Week 48 of current trial
Change from Baseline of the Parent Trial in Waist Circumference
Tidsramme: Baseline of parent trial to Week 48 of current trial
Baseline of parent trial to Week 48 of current trial
Change from Baseline of the Parent Trial in the Impact of Weight on Quality of Life-Lite Clinical Trials Version (IWQOL-Lite-CT) Physical Function Composite Score
Tidsramme: Baseline of parent trial to Week 48 of current trial
Baseline of parent trial to Week 48 of current trial
Percent Change from Baseline in Body Weight
Tidsramme: Baseline of current trial to Week 48
Baseline of current trial to Week 48
Percentage of Participants with No Body Weight Gain of >3% From Baseline
Tidsramme: Week 48 of current trial
Week 48 of current trial
Percentage of Participants with No Body Weight Gain of >5% From Baseline
Tidsramme: Week 48 of current trial
Week 48 of current trial
Percentage of Body Weight Reduction Maintained from the Parent Trial
Tidsramme: Baseline of parent trial to Week 48 of current trial
Baseline of parent trial to Week 48 of current trial
Percentage of Participants Maintaining ≥ 80% of the Body Weight Reduction Achieved in the Parent Trial
Tidsramme: Baseline of parent trial to Week 48 of current trial
Baseline of parent trial to Week 48 of current trial

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Efterforskere

  • Studieleder: MD, Amgen

Publikationer og nyttige links

Den person, der er ansvarlig for at indtaste oplysninger om undersøgelsen, leverer frivilligt disse publikationer. Disse kan handle om alt relateret til undersøgelsen.

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Anslået)

29. juli 2026

Primær færdiggørelse (Anslået)

26. december 2027

Studieafslutning (Anslået)

19. marts 2028

Datoer for studieregistrering

Først indsendt

29. juni 2026

Først indsendt, der opfyldte QC-kriterier

29. juni 2026

Først opslået (Faktiske)

6. juli 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

6. juli 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

29. juni 2026

Sidst verificeret

1. juni 2026

Mere information

Begreber relateret til denne undersøgelse

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

JA

IPD-planbeskrivelse

De-identified individual patient data for variables necessary to address the specific research question in an approved data sharing request.

IPD-delingstidsramme

Data sharing requests relating to this study will be considered beginning 18 months after the study has ended and either 1) the product and indication have been granted marketing authorization in both the US and Europe or 2) clinical development for the product and/or indication discontinues and the data will not be submitted to regulatory authorities. There is no end date for eligibility to submit a data sharing request for this study.

IPD-delingsadgangskriterier

Qualified researchers may submit a request containing the research objectives, the Amgen product(s) and Amgen study/studies in scope, endpoints/outcomes of interest, statistical analysis plan, data requirements, publication plan, and qualifications of the researcher(s).In general, Amgen does not grant external requests for individual patient data for the purpose of re-evaluating safety and efficacy issues already addressed in the product labelling. Requests are reviewed by a committee of internal advisors. If not approved, a Data Sharing Independent Review Panel will arbitrate and make the final decision. Upon approval, information necessary to address the research question will be provided under the terms of a data sharing agreement. This may include anonymized individual patient data and/or available supporting documents, containing fragments of analysis code where provided in analysis specifications. Further details are available at the URL below.

IPD-deling Understøttende informationstype

  • STUDY_PROTOCOL
  • SAP
  • ICF
  • CSR

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

Studerer et amerikansk FDA-reguleret lægemiddelprodukt

Ja

Studerer et amerikansk FDA-reguleret enhedsprodukt

Ingen

Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .

Kliniske forsøg med Placebo

3
Abonner