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A study to establish Laboratory Normal Range for G6PD enzyme levels

A Companion Glucose-6-Phosphate Dehydrogenase (G6PD) enzyme assay validation protocol to the study TAF112582

Status
Active, not recruiting
Phases
Phase 1
Study type
Observational
Source
CTRI
Registry ID
CTRI/2011/12/002242
Enrollment
324
Registered
2011-12-15
Start date
Unknown
Completion date
Unknown
Last updated
2021-11-24

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

Conditions

None listed

Interventions

None listed

Sponsors

GlaxoSmithKline Pharmaceuticals Ltd
Lead Sponsor
GlaxoSmithKline Pharmaceuticals Ltd
Collaborator

Eligibility

Inclusion criteria

Inclusion criteria: 1. The subject is between 18 and 45 years of age, inclusive, 2. The subject is male, 3. The subject has a Hgb concentration ≥12g/dL 4. The subject has a reticulocyte count ≤ 2.5% 5. A signed and dated informed consent is obtained from the subject or the subject?s legal representative prior to screening.

Exclusion criteria

Exclusion criteria: History of haemoglobinopathy (e.g. sickle cell disease, hereditary spherocytosis, thalassaemias, haemoglobin M/E, etc.); past or current history of methaemoglobinaemia or methaemoglobin percentage above 3% 2. Past medical history of G6PD deficiency 3. Any other co-morbidity or treatment that, in the opinion of the investigator, might influence haematopoiesis 4. Any person that may have donated blood in the last 56 days

Design outcomes

Primary

MeasureTime frame
To establish a normal range for non G6PD deficient males in laboratories being used to screen patients in study TAF112582Timepoint: 2 months

Secondary

MeasureTime frame
Secondary objective is to assess the intra-laboratory variability of the G6PD quantitative enzyme assay.Timepoint: 2 months

Countries

Bangladesh, Brazil, India, Peru, Thailand

Contacts

Public ContactDr Jeroze Dalal

GlaxoSmithKline Pharmaceuticals Ltd

sadhna.j.joglekar@gsk.com02224959405

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Feb 4, 2026