Beta-thalassaemia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Male and female patients with confirmed genotype of homozygous or compound heterozygous beta-thalassaemia major or HbE beta-thalassaemia 2. Age above 12 years 3. Patients who required more than 10 transfusions during the preceding year
Exclusion criteria
Exclusion criteria: 1. Patients who have undergone bone marrow transplantation 2. Patients with very high serum ferritin (>5000ng/ml) 3. Sickle beta-thalassaemia 4. Chronic liver disease 5. Chronic kidney disease 6. Patients with contraindications for hydroxyurea therapy (eg: hypersensitivity, severe anaemia with haemoglobin less than 5g/dl at the beginning of treatment, bone marrow depression, pregnancy and lactation) 7. Patients who are expecting to get pregnant during next 12 months 8. White blood cell count less than 4000/uL. 9. Platelet count less than 150,000/uL. 10. Evidence of active viral infection, including viral hepatitis 11. Patients on immunosuppressant therapy
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Response to treatment: Complete response to treatment is defined as complete cessation of blood transfusions with a baseline haemoglobin >9.0g/dl during the treatment period. Partial response is defined as over 50% reduction in transfusion requirement during treatment period (=7.0g/dl. Subjects will be evaluated monthly during the period of treatment by full blood count measurements. [At the end of six months of initiating treatment.] | — |
Secondary
| Measure | Time frame |
|---|---|
| Compliance to hydroxyurea treatment (measured as actual number of tablets taken divided by the estimated number of tablets to be taken). [Compliance to hydroxyurea treatment will be assessed monthly for 6 months after initiating treatment ] Side effects of hydroxyurea Subjects will be evaluated monthly during the period of treatment. Evaluation includes an interview and physical examination by a trained medical officer to assess adverse effects of hydroxyurea. Following investigations will also be done to assess side effects of hydroxyurea; full blood count, serum creatinine and liver transaminases. [ Side effects will be assessed monthly for 12 months after initiating treatment] | — |
Countries
Sri Lanka
Contacts
Senior Lecturer and Consultant Paediatrician