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NCT04166825Recruiting

Ovarian Hyperstimulation and Fibrin Clot Properties.

The Impact of Different Ovarian Hyperstimulation Protocols on Coagulation and Fibrinolysis.

Source: ClinicalTrials.gov · Last updated 5 Dec 2025

Brief summary (registry, in English)

The impact evaluation of ovarian hyperstimulation on coagulation and fibrinolysis in infertile women. Comparative analysis between different ovarian stimulation protocols on thrombin formation and efficiency of fibrinolysis in women diagnosed with infertility.

Status (registry)
Recruiting
Study type
Interventional
Enrollment
300 (estimated)
First submitted
13 Nov 2019
Start date
18 Nov 2019
Primary completion date
Jan 2026
Lead sponsor
Jagiellonian University
NCT number
NCT04166825

What you commit to

  • Study type: Interventional
  • Planned participants: 300
  • From 18 Nov 2019 to the primary completion date, Jan 2026
  • 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.

Prior treatment

  • oral contraceptives use within previous 3 months
  • dienogest therapy within 3 months until ART
  • the presence of known VTE risk factors, including obesity, recent major surgery with prolonged immobilization or trauma,

Other illness

  • severe hypertension
  • diabetes mellitus
  • antiphospholipid syndrome,
  • known malignancy,
  • any chronic inflammatory diseases (e.g. rheumatoid arthritis)

Lab values

  • advanced chronic renal disease (estimated glomerular filtration rate \[eGFR\] \<30 ml/min),
  • international normalized ratio (INR) more than 1.2 at the day of blood draw

Other

  • ovarian involvement
  • thrombotic events in the medical history
  • deficiency of antithrombin, protein C or protein S,
  • pregnancy.

Who the study is looking for

  • infertility defined based on the WHO 2010 criteria

Age in the registry: 18 years to 40 years · Sex: Female · 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
Department of Gynecological Endocrinology Jagiellonian University Medical College
Coordinator of this site? Confirm its status
KrakowPolandRecruiting

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