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A Phase 2, Pharmacokinetic (PK) Study of 6R-BH4 Alone or 6R-BH4 With Vitamin C in Subjects With Endothelial Dysfunction

NCT00532844 · Status: COMPLETED · Phase: PHASE2 · Type: INTERVENTIONAL · Enrollment: 52

Last updated 2021-05-17

Study results available
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Summary

This Phase 2, randomized, open-label, 2-treatment, 2-sequence, 2-period crossover, pharmacokinetic (PK) study will compare plasma concentrations of BH4 in subjects with endothelial dysfunction following 14 days of treatment by each of 2 regimens: sapropterin dihydrochloride with vitamin C and sapropterin dihydrochloride alone.

Conditions

  • Endothelial Dysfunction

Interventions

DRUG

Sapropterin Dihydrochloride

Sapropterin Dihydrochloride 5 mg/kg twice a day administered as whole tablets orally within 1 hour after morning and evening meals for 13 days and the last dose within 1 hour after a morning meal on Day 14 and Day 28.

DRUG

Sapropterin Dihydrochloride and Vitamin C

Sapropterin Dihydrochloride 5 mg/kg and 500 mg Vitamin C twice a day administered as whole tablets orally within 1 hour after morning and evening meals for 13 days and the last dose within 1 hour after a morning meal on Day 14 and Day 28.

Sponsors & Collaborators

Principal Investigators

  • Don Nwose, MD · BioMarin Pharmaceutical

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
CROSSOVER

Eligibility

Min Age
18 Years
Max Age
75 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2007-09-30
Primary Completion
2008-11-30
Completion
2009-03-31

Countries

  • United States

Study Locations

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Entities

Companies

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT00532844 on ClinicalTrials.gov