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Phase IV Study to Evaluate the Efficacy and Safety of Fang Le Shu Compared to Guo Na Fen for Controlled Ovarian Stimulation in Infertile Women Undergoing in Vitro Fertilization-embryo Transfer (IVF-ET).

A Phase IV, Prospective, Randomized, Open-label, Active-controlled, Parallel-group, Multicenter Study to Evaluate Efficacy and Safety of Fang Le Shu (Recombinant FSH) Versus Guo Na Fen Used for Controlled Ovarian Stimulation in Infertile Women Undergoing In Vitro Fertilization-Embryo Transfer.

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06921395
Enrollment
248
Registered
2025-04-10
Start date
2025-02-15
Completion date
2026-10-01
Last updated
2026-09-02

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

Conditions

Female Infertility

Brief summary

The aim of this randomized, open-label, active-controlled, parallel-group, multicenter, phase IV study is to assess the efficacy and safety of Fang Le Shu versus Guo Na Fen used for controlled ovarian stimulation in infertile women undergoing In Vitro Fertilization-Embryo Transfer.

Interventions

DRUGFang Le Shu (Follitrope)

rFSH 150 IU, 225 IU, 300 IU per syringe

DRUGGuo Na Fen (Gonal-F)

rFSH 450 IU per pen

Sponsors

LG Chem
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
FEMALE
Age
20 Years to 39 Years
Healthy volunteers
No

Inclusion criteria

* Is pre-menopausal female aged ≥20 to \<40 years. * Has regular menstrual cycles of ≥25 to ≤35 days. * Has Normal baseline serum FSH, LH, E2, P4. * Is able to voluntarily sign the informed consent form (ICF). * Has history of infertility for at least 1 year before the day of randomization; however, subjects with confirmed diagnosis of infertility are eligible without fulfilling the 1-year requirement.

Exclusion criteria

* Has any known clinically significant major systemic disease, or endocrine or metabolic abnormalities with the exception of controlled thyroid function disease. * Has body mass index (BMI) of \>30 kg/m2. * Has clinically significant abnormalities of the uterus, ovary, or appendix prior to the day of randomization * Has history of surgeries that may affect oocyte retrieval or pregnancy outcome, such as surgical resection of uterine mediastinum, fibroids, or cysts (however, patients who received polypectomy are allowed to enroll). * Has history of severe ovarian hyperstimulation syndrome (OHSS) defined as Grade 4 or higher. * Poor ovarian reponder according to Bologna criteria * Has plans to donate oocyte or recieve embryo from another women or undergo preimplantation genetic testing(PGT) * Has history of three or more failures in previous IVF cycles * Has history of recurrent miscarriage * Has known current active pelvic inflammatory disease. * Is currently breastfeeding. * Has a contraindication to pregnancy that would preclude participation in the trial.

Design outcomes

Primary

MeasureTime frame
Number of oocytes retrieved36 ± 3 hours after HGC trigger

Secondary

MeasureTime frame
High quality embryo rate3 days after oocyte retrieval
Biochemical pregnancy rate14 days after embryo transfer
Clinical pregnancy rate5 weeks after embryo transfer
Ongoing pregnancy rate10 weeks after embryo transfer
Miscarriage rate28 weeks of gestation
Live birth rate40 weeks of gestation

Countries

China

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Sep 3, 2026