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G6PD (Glucose-6-phosphate Dehydrogenase) Study to Evaluate Hemolysis Potential of TFQ (Tafenoquine)

NCT01205178 · Status: COMPLETED · Phase: PHASE1 · Type: INTERVENTIONAL · Enrollment: 192

Last updated 2017-06-07

No results posted yet for this study

Summary

SB-252263 (Tafenoquine, TQ) is an 8-aminoquinoline (8-AQ) antimalarial drug being developed by GlaxoSmithKline (GSK), the U.S. Army Medical Research and Materiel Command (USAMRMC) and Medicines for Malaria Venture (MMV). TQ is currently being developed for the radical cure of acute P. vivax malaria in combination with standard doses of CQ, which is 1500 mg over 3 days.

The current gold standard for radical cure of P. vivax malaria in many areas of the world is chloroquine (CQ) for clearance of the acute parasitemia immediately followed by primaquine (PQ) to clear the liver stages of the parasite and prevent disease relapse. The 8-AQ class of drugs, including PQ, is hemolytic in subjects with glucose-6-phosphate dehydrogenase (G6PD) deficiency. The current study will identify a dose of TQ within the target efficacious dose range that has a hemolytic effect similar to or less than PQ 15 mg OD x 14 days (i.e. ≤ 25-30% hemoglobin decline in WHO class III G6PD-deficient subjects).

Conditions

Interventions

DRUG

Chloroquine

The current gold standard for radical cure of P. vivax malaria in many areas of the world is chloroquine (CQ); typically 600 mg day 1, 600 mg day 2, 300 mg day 3 for clearance of the acute parasitemia. After this Tafenoquine will be given and subject will be followed up.

DRUG

Primaquine

Primaquine (PQ) is another 8 aminoquinoline drug available for Malaria treatment

DRUG

Tafenoquine

Once daily on Day 1 only. For Part B and C of this study Chloroquine will be given to treat Malaria

Sponsors & Collaborators

  • Medicines for Malaria Venture

    collaborator OTHER

  • GlaxoSmithKline

    lead INDUSTRY

Principal Investigators

  • GSK Clinical Trials · GlaxoSmithKline

Study Design

Allocation
RANDOMIZED
Purpose
BASIC_SCIENCE
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
18 Years
Max Age
45 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2009-07-02
Primary Completion
2013-04-01
Completion
2013-04-01

Countries

  • Thailand

Study Locations

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Entities

Diseases
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 NCT01205178 on ClinicalTrials.gov