Status:

COMPLETED

a Phase I PK Study in Healthy Male Subjects. 2 Groups of Healthy Male Subjects

Lead Sponsor:

Otsuka Beijing Research Institute

Collaborating Sponsors:

Chinese Academy of Medical Sciences, Fuwai Hospital

Conditions:

Health Subjects

Eligibility:

MALE

18-40 years

Phase:

PHASE1

Brief Summary

Tolvaptan oral administraction phase I PK clinical trial. Two groups of healthy male subjects. One group receives single dose of Tolvaptan. The other group receives multi dose of Tolvaptan.

Eligibility Criteria

Inclusion

  • Healthy male volunteers.
  • Aged 18 to 40 years old.
  • Weight no less than 50kg and within the range of standard weight (body mass index between 19 and 24).
  • Auxiliary examinations: blood routine and coagulation, urine routine, blood biochemistry (total protein, albumin, blood glucose, total bilirubin, AST (GOT), ALT (GPT), ALP, γ-GTP, LDH, CK (CPK), total cholesterol, triglycerides, urea nitrogen, creatinine, uric acid, Na, K, Cl, Mg, Ca, P), hepatitis B surface antigen, hepatitis C antibody, HIV antibody, syphilis antibody, 12-lead electrocardiogram, 24-hour ambulatory electrocardiogram (Holter) examination, all items are normal.
  • Signed the informed consent form.

Exclusion

  • The patient has a history of heart, liver, kidney, digestive tract, metabolic, respiratory, blood, mental, nervous system and other disorders, and the doctor's judgment is not suitable.
  • Hepatitis B virus, syphilis, hepatitis C virus, HIV infection.
  • Patients with a history of clinically significant arrhythmias of various types, including rapid and slow types, such as atrioventricular block, sinus arrest, and supraventricular tachycardia, were assessed by the investigators.
  • He has a history of postural hypotension (blood pressure drop ≥20/10mmHg when he changes from lying position to standing position, accompanied by dizziness and other symptoms), standing dizziness, collapse, fainting, and vertigo.
  • Quiet for more than 3 minutes, sitting pulse below 55 beats/min or more than 90 beats/min.
  • Quiet for more than 3 minutes, sitting systolic blood pressure is lower than 100mmHg or higher than 140mmHg; Diastolic depression of 60mmHg or higher than 90mmHg.
  • Various voiding disorders (frequent urination, or difficulty urinating, etc.).
  • Have a family history of genetic diseases (including a history of genetically predisposed arrhythmias in relatives).
  • A history, allergy or propensity to be allergic to drugs or any other substance.
  • Smokers, alcoholics, or other drug addicts.
  • Physical examination had clinically significant positive findings.
  • People who have donated blood or been sampled as a subject within the last 3 months.
  • People who have taken prophylactic or therapeutic drugs in the last 2 weeks.
  • Otherwise, the clinical trial physician or the clinical trial physician determines that the safety of the trial is affected.

Key Trial Info

Start Date :

October 1 2006

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

January 31 2007

Estimated Enrollment :

64 Patients enrolled

Trial Details

Trial ID

NCT07166796

Start Date

October 1 2006

End Date

January 31 2007

Last Update

September 10 2025

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