# HighCycle Study: Acetazolamide, High Altitude and Plasma Volume

> **NCT07118462** · PHASE4 · RECRUITING · sponsor: **Centre d'Expertise sur l'Altitude EXALT** · enrollment: 270 (estimated)

## Conditions studied

- High Altitude Effects
- High Altitude Hypoxia
- Acute Mountain Sickness (AMS)
- Plasma Volume
- Women

## Interventions

- **DRUG:** Acetazolamide
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT07118462
- **Lead sponsor:** Centre d'Expertise sur l'Altitude EXALT
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2024-07-15
- **Primary completion:** 2025-12-31
- **Final completion:** 2025-12-31
- **Target enrollment:** 270 (ESTIMATED)
- **Last updated:** 2025-08-12

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07118462

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07118462, "HighCycle Study: Acetazolamide, High Altitude and Plasma Volume". Retrieved via AI Analytics 2026-06-23 from https://api.ai-analytics.org/clinical/NCT07118462. Licensed CC0.

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