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Follistatin 315

Activin-Binding Protein, FSH-Suppressing Protein, FST-315, FS-315

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Overview Studies Clinical Trials

Completed PHASE1 INTERVENTIONAL NCT04899193

Pergoveris FD and Liquid China BE Study

View on ClinicalTrials.gov Updated Dec 15, 2025

Brief Summary

The main purpose of this study is to assess the bioequivalence (BE) of the fixed combination of follitropin alfa and lutropin alfa in Pergoveris freeze-dried (FD) (Test 1) or in Pergoveris Liquid (Test 2) versus the co-administration of Gonal-f and Luveris (Reference), administered subcutaneously (SC) in pituitary suppressed, healthy premenopausal Chinese female participants, at the doses of 900 international unit (IU) of follitropin alfa and 450 IU lutropin alfa.

Interventions

Name: Pergoveris FD

Type: DRUG

Description: Participants will be administered with 900 IU of recombinant human follicle-stimulating hormone (r-hFSH) and 450 IU of recombinant human luteinizing hormone (r-hLH) freeze-dried powder (Freeze-dried Pergoveris) as subcutaneous injection on Day 1 in investigation period 1 or investigation period 2 or investigation period 3. There will be a washout period of 6 days between investigation period 1 and investigation period 2 and 17 days between investigation period 2 and investigation period 3.

Name: Pergoveris Liquid

Type: DRUG

Description: Participants will be administered with 900 IU of r-hFSH and 450 IU of r-hLH solution (Pergoveris Liquid) as subcutaneous injection using disposable pen-injector on Day 1 in investigation period 1 or investigation period 2 or investigation period 3. There will be a washout period of 6 days between investigation period 1 and investigation period 2 and 17 days between investigation period 2 and investigation period 3.

Name: Gonal-f

Type: DRUG

Description: Participants will be administered with 900 IU of folitropin alfa (Gonal-f) as subcutaneous injection on Day 1 in investigation period 1 or investigation period 2 or investigation period 3. There will be a washout period of 6 days between investigation period 1 and investigation period 2 and 17 days between investigation period 2 and investigation period 3.

Name: Luveris

Type: DRUG

Description: Participants will be administered with 450 IU of lutropin alfa (Luveris) as subcutaneous injection on Day 1 in investigation period 1 or investigation period 2 or investigation period 3. There will be a washout period of 6 days between investigation period 1 and investigation period 2 and 17 days between investigation period 2 and investigation period 3.

Primary Outcomes

Measure: Baseline Adjusted Area Under the Serum Concentration-Time Curve From Time Zero to Last Quantifiable Sampling Time After Administration (AUC0-t, adj) of Follitropin Alfa