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RECRUITING
NCT04789148
PHASE1

Effects of Intranasal Oxytocin in Patients With Arginine-vasopressin Deficiency

Sponsor: Elizabeth Austen Lawson

View on ClinicalTrials.gov

Summary

This is a randomized, double-blind, placebo-controlled crossover pilot study of single-dose intranasal oxytocin (6 IU and 24 IU) vs. placebo in adult men and women (aged 18 years and above) with arginine-vasopressin deficiency to evaluate the effect of oxytocin on anxiety, depression, and socioemotional functioning (Part A), with an optional randomized, double-blind, placebo-controlled 2-week repeated dose substudy of intranasal oxytocin 6 IU or placebo (Part B). Following a screening visit to determine eligibility, participants will return for three main study visits in Part A. During the main study visits, study participants will receive either oxytocin or placebo, followed by assessments of emotional behavior. In Part A, thirty participants will be equally randomized to one of six possible groups: 1. 6 IU oxytocin - 24 IU oxytocin - placebo 2. 6 IU oxytocin - placebo - 24 IU oxytocin 3. 24 IU oxytocin - 6 IU oxytocin - placebo 4. 24 IU oxytocin - placebo - 6 IU oxytocin 5. placebo - 6 IU oxytocin - 24 IU oxytocin 6. placebo - 24 IU oxytocin - 6 IU oxytocin Following completion of the Part A crossover portion of the study, in Part B participants may also choose to continue participation in an optional, randomized, double-blind, placebo-controlled substudy of intranasal oxytocin 6 IU or placebo three times a day for two weeks, followed by assessments of emotional behavior.

Official title: Effects of Intranasal Oxytocin in Patients With Arginine-vasopressin Deficiency - A Pilot Study

Key Details

Gender

All

Age Range

18 Years - Any

Study Type

INTERVENTIONAL

Enrollment

40

Start Date

2025-09-10

Completion Date

2026-06

Last Updated

2025-09-16

Healthy Volunteers

No

Interventions

DRUG

Intranasal Oxytocin (IN-OXT)

6 IU single dose

DRUG

Intranasal Oxytocin (IN-OXT)

IN-OXT 6 IU three times a day for 2 weeks

DRUG

Placebo

Intranasal placebo three times a day for 2 weeks

DRUG

Intranasal Oxytocin (IN-OXT)

24 IU single dose

DRUG

Placebo

placebo single dose

Locations (1)

Massachusetts General Hospital, Neuroendocrine Unit

Boston, Massachusetts, United States