Anemia, Aplastic
Conditions
Brief summary
Efficacy and Safety of Recombinant human thrombopoietin in patients with severe aplastic anemia and very severe aplastic anemia, a randomized, double-blind, placebo-controlled, II phase, multi-center clinical research.
Detailed description
rhTPO
Interventions
rhTPO
without rhTPO
Sponsors
Study design
Eligibility
Inclusion criteria
* Able to provide written informed consent * Have severe or very severe aplastic anemia
Exclusion criteria
* Have diagnosis of Fanconi anemia * Have infection not adequately responding to appropriate therapy * Have Paroxysmal Nocturnal Hemoglobinuria (PNH) clone size in neutrophils of greater than or equal to 50% * Have creatinine and/or blood urea nitrogen (BUN) ≥2 times the upper limit of normal * Have serum bilirubin ≥ 1.5 times the upper limit of normal, or ≥4.0 times the upper limit of normal if the patient has been treated with Anti-Thymocytes globulin(ATG) within three weeks of screening. * Have glutamic-oxaloacetic transaminase (AST) and/or glutamic-pyruvic transaminase (ALT) ≥ 3 times the upper limit of normal * Are female and are nursing or pregnant or are unwilling to take oral contraceptives or refrain from pregnancy if of childbearing potential * Have an Eastern Cooperative Oncology Group (ECOG) performance status of 3 or greater * Have had other Thrombopoietin (TPO-R) agonists medication in the previous 4 weeks.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Time to platelet transfusion independence in patients at 6 month | 6 month |
Secondary
| Measure | Time frame |
|---|---|
| Median hematopoietic response rate up to 1 year after IST. | up to 1 year |
| Percentage of patients achieve red blood cell/platelet transfusion independence at 3, 6, 9 and 12 months after IST. | up to 1 year |
| Intervals of red blood cell/platelet transfusion up to 1 year after IST. | up to 1 year |
| The reticulocyte count of patients up to 1 year after IST. | up to 1 year |
| Number of participants with treatment-related adverse events as assessed by CTCAE v4.0 | up to 1 year |
| Time to patients achieve a platelet count 30×10^9/L, 50×10^9/L or100×10^9/L | up to 1year |
| Overall response rate up to 1 year after Immunosupressive therapy. | up to 1 year |
| Megakaryocyte, granulocyte and erythrocyte recovery in bone marrow up to 1 year after IST. | up to 1 year |
| Time to red blood cell/platelet transfusion independence in patients up to 1 year after IST | up to 1 year |
| Hospitalization days of patients. | up to 1 year |
Countries
China