Japanese study monitors safety of samsca for SIADH patients
NCT ID NCT04790175
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tracks the safety of the drug Samsca (tolvaptan) in 300 Japanese patients with low sodium levels caused by SIADH. Researchers will record any side effects or special situations that occur during routine use. The goal is to confirm the drug's safety in real-world settings.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
Tolvaptan (Samsca)
What this could lead to
If successful, this study will confirm that Samsca is safe for treating low sodium in SIADH patients in Japan, supporting its continued use.
What could go wrong
This is an observational safety study, not a test of how well the drug works. It may not lead to new treatments or change current practice.
Disclaimer
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This is a summary of
the original study
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Locations
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Pharmacovigilance Department
Osaka, Osaka, 540-0021, Japan