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Immunomodulatory Therapy to Restore Ovarian Function and Improve Fertility in Women With Autoimmune Premature Ovarian Insufficiency - Double-blind, Placebo-contrelled, Randomized Study.

Status: Recruiting
Location: See all (2) locations...
Intervention Type: Drug
Study Type: Interventional
Study Phase: Phase 3
SUMMARY

Several autoimmune diseases such as Addison's disease are associated with failing ovarian function, known as premature ovarian insufficiency (POI), which can lead to early menopause and reduced fertility.The underlying cause of POI in these women is considered to be an immunological attack on the ovaries that causes them to not respond to hormonal stimulation from the brain. Hormone replacement effectively counteracts menopausal symptoms, but today there is no treatment to normalize or even improve fertility. As a patient with POI and an autoimmune diagnosis and the desire to become pregnant, you are asked to participate in the study. The aim of this study is to investigate whether immunomodulatory therapy can improve and ideally normalize ovarian function in women of childbearing age with autoimmune disease and proven POI. Patients with a male partner and a desire for children and who respond positively to the first ovarian stimulation will be offered in vitro fertilization (IVF) and will thus be allowed to complete the study. Other participating patients will undergo a total of three ovarian stimulations and treatment with first two infusions of the registered drug rituximab or placebo (inactive agent) and later two additional infusions where all patients receive rituximab. The first two infusions with rituximab or placebo are double-blind, which means that neither you nor the study staff know what you have received. Follow-up takes place up to 12 months after the last infusion.

Eligibility
Participation Requirements
Sex: Female
Minimum Age: 18
Maximum Age: 38
Healthy Volunteers: f
View:

• The subject has given their written consent to participate in the trial

• Autoimmune POI (FSH \> 25 IU/L) including the presence of oligo/amenorrhea lasting at least 4 months, and elevated FSH levels (FSH \> 25 IU/L) confirmed on two separate occasions, with measurements taken at least 4 weeks apart and Addison's disease or ab positivity for 21-hydroxylase or other relevant autoantibodies (SCC, 17-OH, NALP5)

• 18-38 years of age

• Body mass index between 19-30

• Willing to use effective non-hormonal contraceptive (such as intra uterine device (IUD), sexual abstinence, male or female condom with or without spermicide, cap, diaphragm or sponge with spermicide) method during the 18-month study period

Locations
Other Locations
Sweden
Department of Obstetrics and Gynecology, Karolinska University Hospital
RECRUITING
Stockholm
Karolinska University Hospital
RECRUITING
Stockholm
Contact Information
Primary
Angelica Lindén Hirschberg
angelica.linden-hirschberg@regionstockholm.se
+46812373326
Time Frame
Start Date: 2026-02-12
Estimated Completion Date: 2031-12-31
Participants
Target number of participants: 40
Treatments
Active_comparator: Group A 2 infusions with placebo or Rituximab, and then 2 infusions of Rituximab
Randomized to 2 infusions of placebo or Rituximab (2g) with a 2-week interval between infusions 1 and 2 , and then 2 infusions of Rituximax (2g) ,after a 6-month interval between the first two and the last two infusions.
Active_comparator: Group B , 2 infusions (2 g) Rituximab
Group B a total of 2 infusions (2 g) with Rituximab, 2 weeks apart per occasion.
Sponsors
Leads: Angelica Lindén Hirschberg

This content was sourced from clinicaltrials.gov

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