# Extended Letrozole Regimen Co-treatment With Gonadotropin Releasing Hormone Antagonist Protocol Versus Gonadotropin Releasing Hormone Antagonist Protocol in Poor Responders Undergoing IVF-ET

> **NCT04268927** · PHASE2 · UNKNOWN · sponsor: **Cairo University** · enrollment: 106 (estimated)

## Conditions studied

- Infertility

## Interventions

- **DRUG:** GnRH ant/letrozole
- **DRUG:** GnRH ant

## Key facts

- **NCT ID:** NCT04268927
- **Lead sponsor:** Cairo University
- **Sponsor class:** OTHER
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2018-04-01
- **Primary completion:** 2020-03-20
- **Final completion:** 2020-04-20
- **Target enrollment:** 106 (ESTIMATED)
- **Last updated:** 2020-02-13


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04268927

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04268927, "Extended Letrozole Regimen Co-treatment With Gonadotropin Releasing Hormone Antagonist Protocol Versus Gonadotropin Releasing Hormone Antagonist Protocol in Poor Responders Undergoing IVF-ET". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04268927. Licensed CC0.

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