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NCT05885048Recruiting

Impact of Gonadotoxic Therapies on Fertility

FertiTOX - Platform for Fertility Related Gonadotoxicity of Cancer Therapies

Source: ClinicalTrials.gov · Last updated 30 Jul 2026

Brief summary (registry, in English)

The goal of this observational study is to learn how gonadotoxic treatments (chemotherapies, radiotherapies or immunotherapies) affect the fertility status of participants with cancer. The main questions it aims to answer are: * in females, if cancer therapies reduce the Anti-Müllerian hormone (AMH) concentration (ovarian reserve); * in males, if cancer therapies reduce sperm concentration (sperm quality).

Status (registry)
Recruiting
Study type
Observational
Enrollment
7000 (estimated)
First submitted
16 Apr 2023
Start date
1 Dec 2023
Primary completion date
31 Dec 2028
Lead sponsor
Michael von Wolff
NCT number
NCT05885048

What you commit to

  • Study type: Observational
  • Planned participants: 7000
  • From 1 Dec 2023 to the primary completion date, 31 Dec 2028
  • 1 site 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.

Other

  • Missing consent;
  • Language barrier.

Who the study is looking for

  • Patients with cancer or with benign reasons undergoing chemotherapy and/or radiotherapy of the pelvis (females) and the testicles (males) and/or immune therapy;
  • Willing to participate;
  • Austria: 14-50 years old (adolescents and adults), Germany: 18-50 years old, Switzerland: 14-50 years old (adolescents and adults);
  • Serum hormone analysis before gonadotoxic therapy (females) or serum hormone analysis and sperm analysis before gonadotoxic therapy (males).

Age in the registry: 14 years to 50 years · Sex: All · Does not accept healthy volunteers

Full criteria on ClinicalTrials.gov

Sites (1)

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

SiteCityCountrySite status
University Women's Hospital (Inselspital)
Coordinator of this site? Confirm its status
BernSwitzerlandRecruiting

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