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Study identifier: NCT07569861 Synced from ClinicalTrials.gov · July 29, 2026
● Recruiting

Copeptin Measurement After Mannitol and Hypertonic Saline for the Diagnosis of Polyuria-polydipsia Syndrome

Condition: Arginine Vasopressin Deficiency · Primary Polydipsia  ·  Sponsor: University Hospital, Basel, Switzerland

PhaseNA
Planned participants144
Who can joinAll sexes, 18 Years to no upper limit
Healthy volunteersNo

About this study

The aim of this study is to evaluate whether a new test using mannitol infusion can diagnose the cause of polyuria-polydipsia syndrome as accurately as the current standard test (hypertonic saline infusion) and to compare which test patients prefer. The goal is to identify a simpler and more patient-friendly diagnostic approach.

This description comes directly from the study's public registry record.

Talk to the study team

Talitha Hildebrandt  ·  +41 61 55 65075  ·  talithanatalja.hildebrandt@usb.ch

Cemile Bathelt  ·  +41 61 55 65407  ·  cemile.bathelt@usb.ch

Always discuss trial participation with your own doctor first.

Locations (1)

University Hospital BaselBasel, SwitzerlandRecruiting

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Source record: clinicaltrials.gov/study/NCT07569861