CClinicalTrials.gg
CompletedNCT04675970UB-OVFUpdated Dec 22, 2025

Long Term Follow up Patients With Premature Ovarian Failure ex Vivo Gene Therapy

An observational study in Primary Ovarian Insufficiency and Premature Ovarian Failure, sponsored by Ukraine Association of Biobank. Completed at 1 site in Ukraine. Open to female participants aged 18 Years to 40 Years. Per ClinicalTrials.gov, last updated 2025-12-22.

Sponsored by Ukraine Association of Biobank · Observational

Study type
Observational
Model
Case-only
Time perspective
Prospective
Enrollment
86
Ages
18 Years to 40 Years
Sex
Female
01

Study summary

This is a multi-centers of long term safety and efficacy follow up study for patients with premature ovarian failure (the women aged younger than 40 years, who present with amenorrhoea, hypergonadotropic hypogonadism, and infertility) who have been treated with ex vivo gene therapy drug product in Institute of Bio-Stem Cell Rehabilitation UAB - sponsored clinical studies. After completing the parent clinical study (approximately 6 month), eligible subject will be followed for additional 2 years for total of 2 years and 6 month post drug product infusion. No investigation drug product will be administered in the study

02

Conditions studied

  • Primary Ovarian Insufficiency
  • Premature Ovarian Failure

Keywords

  • Premature ovarian failure
  • stem cell therapy
  • mesenchymal stem cell
03

In context

Primary Ovarian Insufficiency

172 studies on the registry are indexed under Primary Ovarian Insufficiency; 45 are open to participants now.

This study's enrollment of 86 is below the median of 100 across 59 observational studies indexed under Primary Ovarian Insufficiency.

Browse Primary Ovarian Insufficiency studies →

Lead sponsor

Ukraine Association of Biobank is the lead sponsor of 4 studies on the registry; none are open to participants now.

Counted across the registry records on this site, refreshed daily.

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Who can participate

Ages eligible
18 Years to 40 Years
Sexes eligible
Female
Sampling method
Non-probability sample

Study population

Patients with premature ovarian insufficiency (Diagnostic criteria of ESHRE) who have been treated with ex vivo gene therapy product in a Institute Bio-Stem Cell Rehabilitation UAB clinical study.

Inclusion criteria

Provision of written informed consent for this study by subjects or as applicable parent legal guardian. Treated with drug product for therapy of premature ovarian insufficiency in a Institute Bio-Stem Cell Rehabilitation UAB clinical study.

Diagnosed of premature ovarian insufficiency ESHRE:

  • Women age of 18 to 40 years
  • Have experienced 4 months of oligo/amenorrhea
  • Two serum follicle-stimulating hormone (FSH was >40 mIU/ml levels in the menopausal range, obtained at least a month apart
  • lower FSH levels ( 25 mIU/ml)
  • anti-Müllerian hormone (AMH) serum levels ( 3.0 ng/ml)

Exclusion criteria

Exclusion Criteria:

There are no exclusion criteria for this study

05

Study design

Observational model
Case-only
Time perspective
Prospective
Enrollment
86 participants (actual)
Patient registry
No

Interventions

  • OtherObservational

    Product in a Institute of Bio-Stem Cell rehabilitation UAB - sponsored clinical trial who agree to participate in this study

06

What researchers measure

Primary outcomes

  1. Antral follicular count (AFC) serum levels

    Antral follicular count (AFC) \<5-7 follicles

    Time frame: 2 years

  2. anti-Müllerian hormone (AMH) serum levels

    AMH \<0.5-1.1 ng/ml

    Time frame: 2 years

Secondary outcomes

  1. Regular menstruation and/or pregnancy

    regular menstruation for 5 months and\\or pregnancy

    Time frame: 2 years

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Study locations

1 site
  • Institute of Bio-Stem Cell Rehabilitation
    Kharkiv, Ukraine
08

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Dec 22, 2025, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
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Registry details

Key details

Study ID
NCT04675970
Lead sponsor
Ukraine Association of Biobank
Responsible party
Sponsor
First posted
Dec 19, 2020
Start date
Sep 1, 2020
Primary completion
Sep 30, 2024
Completion
Sep 30, 2025
Last update
Dec 22, 2025

Oversight

FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Dec 2025. You cannot join it, but the record below documents what was studied.

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