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A Phase I, Open-Label, Pharmacokinetic Study of tolvaptan in healthy Chinese volunteers

A Phase 1, Open Label, Single-Center, Dose-increasing Study to Determine the Safety and Pharmacokinetics of Single and Repeated oral administration of tolvaptan in Healthy Chinese Volunteers

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ANZCTR
Registry ID
ACTRN12616000207415
Enrollment
69
Registered
2016-02-16
Start date
2011-07-15
Completion date
2012-07-19
Last updated
2020-01-13

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

Conditions

None listed

Brief summary

The purpose of this study is to explore the pharmacokinetic property of tolvaptan in Chinese healthy volunteers and provide important information for clinical application.

Interventions

This clinical trial was conducted at the phase I ward in fuwai hospital All doses supervised at study centre. In single dose study, volunteers were assigned to 4 treatment groups of tolvaptan: 15, 30, 60 and 120mg. After a 10-hour overnight fast, volunteers received a single dose of tolvaptan orally at approximately 8 a.m. on the following morning (day 1) with 200mL water In multiple dose study, volunteers were assigned to 2 treatment groups of tolvaptan: 30 and 60mg..After a 10-hour overnight

This clinical trial was conducted at the phase I ward in fuwai hospital All doses supervised at study centre. In single dose study, volunteers were assigned to 4 treatment groups of tolvaptan: 15, 30, 60 and 120mg. After a 10-hour overnight fast, volunteers received a single dose of tolvaptan orally at approximately 8 a.m. on the following morning (day 1) with 200mL water In multiple dose study, volunteers were assigned to 2 treatment groups of tolvaptan: 30 and 60mg..After a 10-hour overnight fast, volunteers received a dose of tolvaptan orally(30 or 60mg) at approximately 8 a.m. on the following morning (day 1) with 200mL water, 3 days after first dose(day 4), volunteers of two groups received oral doses of tolvaptan (same as respective first dose) daily for 6 consecutive days.

Sponsors

Fuwai hospital
Lead SponsorHospital

Study design

Allocation
Non-randomised trial
Intervention model
Other
Primary purpose
Treatment
Masking
Open (masking not used)

Eligibility

Sex/Gender
All
Age
18 Years to 45 Years
Healthy volunteers
Yes

Inclusion criteria

Body mass index between 19 and 24 kg/m^2, nonsmokers, thorax radiography and electrocardiography without abnormalities, normal values of BP and heart rate and laboratory test results(hematology, blood biochemistry, hepatic function, and urinalysis), negative results on HIV and hepatitis types B and C testing, negative on urine human chorionic gonadotrophin (HCG) test for the female.

Exclusion criteria

1. weight less than 50kg , body mass index less than 19 or body mass index more than 24 2.low blood pressure 3.bradycardia,sinus arrest, sinoatrial block, atrioventricular block, ectopic rhythm Holter monitoring ; 4.disease or disorders in hepatic, renal, respiratory, immune system and nervous system; 5.alcohol or drug abuse; 6.clinical significant allergies to drug or foods; 7.use of prescription or over-the-counter medication including herbal products within 4 weeks before study initiation; 8.donate blood or participated in other clinical trials within 3 months before enrollment in the study 9.positive results on HIV and hepatitis types B and C testing 10.abnormalities in laboratory test(hematology, blood biochemistry, hepatic function, and urinalysis) 11. urination disorder

Outcome results

None listed

Source: ANZCTR · Data processed: Feb 4, 2026