Evaluation of blood concentration of oxytocin in hypertonic saline test

Evaluation of blood concentration of oxytocin in hypertonic saline test - Evaluation of blood concentration of oxytocin in hypertonic saline test

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000050468

Enrollment

Registered

2023-04-01

Start date

2023-05-30

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Central diabetes insipidus, diencephalohypophysial diseases

Interventions

Hypertonic saline infusion test Hypertonic saline infusion test

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: - Patients aged 18 years or older who are receiving care at the Department of Diabetes and Endocrinology, Nagoya University Hospital, and are suspected of having central diabetes insipidus or water metabolism disorders (such as psychogenic polydipsia) - Patients aged 18 years or older with diencephalohypophyseal disorders without symptoms of central diabetes insipidus - Patients who understand the study content and provide written informed consent

Exclusion criteria

Exclusion criteria: - Patients with hypernatremia (serum sodium concentration higher than or equal to 150 mEq/L) - Pregnant women

Design outcomes

Primary

Measure	Time frame
Changes in blood concentration of oxytocin in hypertonic saline test in patients with diencephalohypophysial diseases (without central diabetes insipidus)	—

Countries

Japan

Contacts

Public ContactDaisuke Hagiwara

Nagoya University Graduate School of Medicine Department of Endocrinology and Diabetes

d-hagiwarai@med.nagoya-u.ac.jp052-744-2142

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026