Skip to content

A Double-Blind, Randomized Controlled, Multicenter Study on Granulocyte Colony-Stimulating Factor for the Treatment of Unexplained Recurrent Spontaneous Abortion

A Double-Blind, Randomized Controlled, Multicenter Study on Granulocyte Colony-Stimulating Factor for the Treatment of Unexplained Recurrent Spontaneous Abortion

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600118421
Enrollment
Unknown
Registered
2026-02-05
Start date
2026-03-01
Completion date
Unknown
Last updated
2026-02-09

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Unexplained Recurrent Spontaneous Abortion

Interventions

Experimental Group:G-CSF (Filgrastim, product of Kirin Kunpeng [China] Pharmaceuticals Co., Ltd., 75µg/0.3ml per vial) is administered at a dose of 150µg (equivalent to two vials). Administration begi
Control Group:Administration of an equivalent volume/dose of placebo begins on the day of a positive ovulation test, followed by injections every other day until 9 weeks of gestation. Additionally, dy

Sponsors

Women's Hospital School of Medicine Zhejiang University
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
20 Years to 40 Years

Inclusion criteria

Inclusion criteria: 1. A history of three or more spontaneous pregnancy losses, including biochemical pregnancies, with at least one loss confirmed by normal embryonic chromosomal analysis; 2. Age between 20 and 40 years (inclusive); 3. In good general health, voluntarily agrees to participate in this trial, is willing to comply with the treatment regimen and follow-up visits, and has provided written informed consent

Exclusion criteria

Exclusion criteria: 1. Presence of any known etiological factor for miscarriage, including chromosomal or genetic abnormalities in either partner, uterine anomalies, autoimmune diseases (e.g., systemic lupus erythematosus, antiphospholipid syndrome, Sjögren’s syndrome), thrombophilia (e.g., protein S deficiency, protein C deficiency, antithrombin deficiency, hereditary or acquired hyperhomocysteinemia), endocrine disorders (e.g., diabetes mellitus, thyroid dysfunction, hyperprolactinemia, luteal phase defect, polycystic ovary syndrome), or an acute infection requiring treatment; 2. Known allergy to granulocyte colony-stimulating factor or other agents derived from Escherichia coli; 3. Severe impairment of hepatic, renal, cardiac, or pulmonary function.

Design outcomes

Primary

MeasureTime frame
Live Birth Rate;

Secondary

MeasureTime frame
Miscarriage Rate;Biochemical Pregnancy Rate;Clinical Pregnancy Rate;Rate of Pregnancy Complications;Gestational Age at Delivery;Sex of the Newborn;Birth Weight;Apgar Score at 1 Minute;Apgar Score at 5 Minutes;Rate of Birth Defects;Ongoing Clinical Pregnancy Rate;

Countries

China

Contacts

Public ContactDan Zhang

Women's Hospital, School of Medicine, Zhejiang University

zhangdan@zju.edu.cn+86 137 3580 8888

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 15, 2026