# Samsca Post-marketing General Drug Use-results Survey in Patients with Hyponatremia in SIADH

> **NCT04790175** · — · RECRUITING · sponsor: **Otsuka Pharmaceutical Co., Ltd.** · enrollment: 300 (estimated)

## Conditions studied

- Antidiuretic Hormone, Inappropriate Secretion

## Interventions

- **DRUG:** Tolvaptan (SAMSCA)

## Key facts

- **NCT ID:** NCT04790175
- **Lead sponsor:** Otsuka Pharmaceutical Co., Ltd.
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2021-03-29
- **Primary completion:** 2028-08
- **Final completion:** 2030-01
- **Target enrollment:** 300 (ESTIMATED)
- **Last updated:** 2025-03-24


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04790175

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04790175, "Samsca Post-marketing General Drug Use-results Survey in Patients with Hyponatremia in SIADH". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04790175. Licensed CC0.

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