# Study on the Diagnostic Cut-off Point of 24-hour Urinary Aldosterone Measured by Liquid Chromatography-Tandem Mass Spectrometry in the Diagnosis of Primary Aldosteronism in the Oral Sodium Loading Test

> **NCT07635134** · — · RECRUITING · sponsor: **Peking Union Medical College Hospital** · enrollment: 800 (estimated)

## Conditions studied

- Primary Aldosteronism

## Interventions

- **DIAGNOSTIC_TEST:** The oral sodium loading test

## Key facts

- **NCT ID:** NCT07635134
- **Lead sponsor:** Peking Union Medical College Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2025-04-01
- **Primary completion:** 2026-07-01
- **Final completion:** 2026-08-01
- **Target enrollment:** 800 (ESTIMATED)
- **Last updated:** 2026-06-09


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07635134

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07635134, "Study on the Diagnostic Cut-off Point of 24-hour Urinary Aldosterone Measured by Liquid Chromatography-Tandem Mass Spectrometry in the Diagnosis of Primary Aldosteronism in the Oral Sodium Loading Test". Retrieved via MORVS 2026-10-20 from https://api.morvs.ai/clinical/NCT07635134. Licensed CC0.

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