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Danazol for Treatment of Cytopenias in Patients With Cirrhosis

NCT04873102 · Status: RECRUITING · Phase: PHASE2 · Type: INTERVENTIONAL · Enrollment: 10

Last updated 2025-07-11

No results posted yet for this study

Summary

This is a phase II pilot study designed to assess the safety and efficacy of danazol for treatment of cytopenias in patients with CPC A/B cirrhosis. Subjects with or without telomere mutations and/or shortened telomeres will be treated with danazol 600 mg per day by mouth for a duration of 24 months. The goal will be to treat a total of 10 patients.

Conditions

  • Cirrhosis, Liver
  • Cytopenia

Interventions

DRUG

Danazol Pill

Danazol is a synthetic steroid derived from ethisterone, It suppresses the pituitary-ovarian axis by inhibiting the pituitary output of gonadotropins. The pituitary-suppressive action of danazol is reversible. Danazol has been approved in treating endometriosis, fibrocystic breast disease, hereditary angioedema, thrombocytopenic purpura, and other conditions. It is metabolized and eliminated by renal and fecal pathways. The mean half-life of danazol in healthy males is 9.7 hours. After 6 months of 200 mg three times a day dosing in endometriosis patients, the half-life of danazol was reported as 23.7 hours. Adverse reactions from danazol include androgen like effects (i.e. weight gain, acne, mild hirsutism, edema, hair loss, voice change) and menstrual disturbances. The use of danazol in pregnancy is contraindicated. Other side effects include elevations in liver-enzyme levels and lipid abnormalities.

Sponsors & Collaborators

  • University of Southern California

    lead OTHER

Principal Investigators

  • Casey O'Connell, MD · Keck Hospital of USC

Study Design

Allocation
NA
Purpose
TREATMENT
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2024-08-01
Primary Completion
2027-08-01
Completion
2027-08-01
FDA Drug
Yes

Countries

  • United States

Study Locations

More Related Trials

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT04873102 on ClinicalTrials.gov