# N680S Polymorphism of the FSHR Gene and Its Relationship With the Type of Gonadotropin Used in COS

> **NCT04122729** · — · UNKNOWN · sponsor: **Angelini Farmacéutica** · enrollment: 300 (estimated)

## Conditions studied

- In Vitro Fertilization
- Controlled Ovarian Stimulation

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04122729
- **Lead sponsor:** Angelini Farmacéutica
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2019-09-25
- **Primary completion:** 2020-04
- **Final completion:** 2020-06
- **Target enrollment:** 300 (ESTIMATED)
- **Last updated:** 2019-10-10

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04122729

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04122729, "N680S Polymorphism of the FSHR Gene and Its Relationship With the Type of Gonadotropin Used in COS". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT04122729. Licensed CC0.

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