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NCT07650149Recruiting

Genetic, Microbiological and Behavioral Factors in Obesity

OPTIMIZE GEN - Outcomes of Persistence and Treatment With tIrzepatide deterMined by Genetic, mIcrobiological & bEhavioral Factors in obEsity

Source: ClinicalTrials.gov · Last updated 23 Sept 2026

Brief summary (registry, in English)

This study will assess the impact of genetic markers, microbiological (microbiome) and behavioral factors on tolerance, adherence and effectiveness of dual GLP1/GIP RA in the treatment of obesity. 200 consecutive patients who meet all inclusion and none of the exclusion criteria will be enrolled.

Status (registry)
Recruiting
Study type
Observational
Enrollment
200 (estimated)
First submitted
10 Jun 2026
Start date
23 May 2026
Primary completion date
31 May 2027
Lead sponsor
Jan Kochanowski University
Diseases
Obesity
NCT number
NCT07650149

What you commit to

  • Study type: Observational
  • Planned participants: 200
  • From 23 May 2026 to the primary completion date, 31 May 2027
  • 2 sites in 1 country
  • Visits and tests: ask the trial team, the registry does not list them

Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.

Who cannot take part

Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.

Prior treatment

  • Taking immunosuppressive medications, steroids, NSAIDs, antibiotics (within 2 weeks prior to sample collection),

Other illness

  • Type 1 or type 2 diabetes
  • Cancer
  • Heart failure
  • Autoimmune and inflammatory diseases, acute infectious diseases, AIDS, tuberculosis
  • Mental illness
  • Alcohol dependence syndrome
  • Post-myocardial infarction or stroke

Other

  • Contraindications to tirzepatide use:
  • Pregnancy or breastfeeding
  • Expected lack of patient compliance
  • Liver cirrhosis

Who the study is looking for

  • Age 18-65 years
  • Consent to participate in the study and providing informed written consent
  • Overweight or obese with a BMI \>27

Age in the registry: 18 years to 65 years · Sex: All · Does not accept healthy volunteers

Full criteria on ClinicalTrials.gov

Sites (2)

Sites in registry order. Pick your city on the disease page to sort them by distance.

SiteCityCountrySite status
Waga Zmiany
Coordinator of this site? Confirm its status
KrakowPolandRecruiting
Luxmed sp zoo
Coordinator of this site? Confirm its status
WarsawPolandRecruiting

This page is information, not medical advice. Discuss any trial with your doctor.