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A Randomized, Open-label, Three-arm Study of MZRW on Tolerability, Exposure and Pharmacokinetics

Functional Constipation Clinical Trial

Official title:
Effects of Oral Administration of a Chinese Proprietary Medicine, MZRW on Tolerability, Exposure and Pharmacokinetics in Healthy Subjects

Clinical Trial Summary

This is a randomized open-label, three-arm, phase 1 clinical study. The investigators aim to investigate a Chinese Proprietary Medicine, MZRW on its tolerability, system exposure and pharmacokinetics profile.

Clinical Trial Description

This is a randomized, open-label, three-arm study. The participants will be enrolled and randomized in a ratio of 1:1:1 to receive 5.0g, 7.5g, 10g b.i.d. of MZRW at 9 am respectively. The study drug, MZRW will be administrated to the participants by site personnel after participants have fasted overnight for more than 8 hours and 6 hours after administration. Each participant will consume a standardized meal. In addition, the participants refrain from Semen Cannabis Sativae, Semen Pruni Armeniacae, Radix Paeoniae, Fructus Immaturus Citri Aurantii, Cortex Magnoliae and Radix et Rhizoma Rhei foods for 3 days before the study until completion of the study.

Blood samples (5 ml each) will be collected from the medial cubital vein into evacuated tubes containing heparin just before and at 0.25, 0.5, 1, 2, 4, 8, 12h after administration and were immediately centrifuged (1700g, 10 min). Plasma fractions were stored at -20°C until analysis. All study procedures conduct in accordance with the ethical principles of the Declaration of Helsinki, consistent with Good Clinical Practice guidelines, and approved by Hong Kong Baptist University Ethics Committee on the Use of Human Subjects for Teaching and Research. Subjects will be given their written informed consent before participating in the study. Urine samples (50 ml each) will be collected the day before the administration and at 0 to 3h, 3 to 6h, 6 to 9h and 9 to 12h after administration. Plasma and urine fractions will be stored at -80°C until analysis. ;

Study Design

Allocation: Randomized, Endpoint Classification: Pharmacokinetics/Dynamics Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02359396
Study type Interventional
Source Hong Kong Baptist University
Contact
Status Completed
Phase Phase 1
Start date November 2014
Completion date August 2015
View Details
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