# Seminal Fluid's Changes Over 20 Years

> **NCT04349345** · — · COMPLETED · sponsor: **Istituto Clinico Humanitas** · enrollment: 24395 (actual)

## Conditions studied

- Oligospermia

## Interventions

- **DIAGNOSTIC_TEST:** sperm count

## Key facts

- **NCT ID:** NCT04349345
- **Lead sponsor:** Istituto Clinico Humanitas
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 1999-01-01
- **Primary completion:** 2018-12-01
- **Final completion:** 2020-04-01
- **Target enrollment:** 24395 (ACTUAL)
- **Last updated:** 2020-04-16


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04349345

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04349345, "Seminal Fluid's Changes Over 20 Years". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04349345. Licensed CC0.

---

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