# An Observational Study of Cetrotide® Gonadotropin-releasing Hormone Antagonist (GnRH Antagonist) With GONAL-f® in Assisted Reproductive Technologies (ART)

> **NCT01109654** · — · COMPLETED · sponsor: **Merck KGaA, Darmstadt, Germany** · enrollment: 2175 (actual)

## Conditions studied

- Infertility

## Interventions

- **DRUG:** Cetrorelix acetate and Follitropin alfa

## Key facts

- **NCT ID:** NCT01109654
- **Lead sponsor:** Merck KGaA, Darmstadt, Germany
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2008-09
- **Primary completion:** 2010-12
- **Final completion:** 2010-12
- **Target enrollment:** 2175 (ACTUAL)
- **Last updated:** 2014-07-16

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01109654

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01109654, "An Observational Study of Cetrotide® Gonadotropin-releasing Hormone Antagonist (GnRH Antagonist) With GONAL-f® in Assisted Reproductive Technologies (ART)". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT01109654. Licensed CC0.

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