# Correlation Between Voice Pitch Changes and Tension of Suboccipital Muscles In Normal Subjects

> **NCT07008859** · — · ACTIVE_NOT_RECRUITING · sponsor: **Cairo University** · enrollment: 119 (estimated)

## Conditions studied

- Voice Change
- Suboccipital Muscles Tension

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT07008859
- **Lead sponsor:** Cairo University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2025-05-01
- **Primary completion:** 2025-11-20
- **Final completion:** 2026-02-01
- **Target enrollment:** 119 (ESTIMATED)
- **Last updated:** 2025-06-06


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07008859

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07008859, "Correlation Between Voice Pitch Changes and Tension of Suboccipital Muscles In Normal Subjects". Retrieved via AI Analytics 2026-06-09 from https://api.ai-analytics.org/clinical/NCT07008859. Licensed CC0.

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