# Comparative Evaluation of the Efficacy of Letrozole, L-Carnitine, and Their Combination on Sperm Quality, Oxidative Stress, and ART Outcomes in Men With Idiopathic Oligoasthenoteratozoospermia.

> **NCT07669402** · PHASE2,PHASE3 · COMPLETED · sponsor: **Tehran University of Medical Sciences** · enrollment: 90 (actual)

## Conditions studied

- Idiopathic Oligoasthenoteratozoospermia
- Male Infertility

## Interventions

- **DRUG:** Letrozole 2.5mg
- **DRUG:** L-carnitine

## Key facts

- **NCT ID:** NCT07669402
- **Lead sponsor:** Tehran University of Medical Sciences
- **Sponsor class:** OTHER
- **Phase:** PHASE2,PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2023-12-01
- **Primary completion:** 2026-02-28
- **Final completion:** 2026-03-31
- **Target enrollment:** 90 (ACTUAL)
- **Last updated:** 2026-06-30


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07669402

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07669402, "Comparative Evaluation of the Efficacy of Letrozole, L-Carnitine, and Their Combination on Sperm Quality, Oxidative Stress, and ART Outcomes in Men With Idiopathic Oligoasthenoteratozoospermia.". Retrieved via MORVS 2026-10-20 from https://api.morvs.ai/clinical/NCT07669402. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*