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R-ITP: Clinical Evaluation of Rituximab in Primary Immune Thrombocytopenia

R-ITP: Clinical Evaluation of Rituximab in Primary Immune Thrombocytopenia - R-ITP Study

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT1091220070
Enrollment
24
Registered
2011-08-12
Start date
2011-10-31
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

Idiopathic Thrombocytopenic Purpura

Interventions

Sponsors

Keio University School of Medicine , Yoshitaka miyakawa
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1)Diagnosis of ITP according to guidelines (The Study Group for Intractable Hematopoietic Diseases supported by the Ministry of Health and Welfare, Japan. 1991) at least 12 months before entry 2)A platelet count =20 years old 5)Patient who was ineffective or intolerable for steroid 6)Patient who was ineffective or judged as being inappropriate for splenectomy by investigators 7)Patient who was ineffective or intolerable or judged as being inappropriate by investigators for thrombopoietin-receptor 8)Hemoglobin>=10g/dL 9)Creatinine<=2mg/dL 10)Total bilirubin smaller than 1.5 X upper limit of normal,ALT and AST smaller than 3 X upper limit of normal 11)Written informed consent

Exclusion criteria

Exclusion criteria: 1)Patients with past medical history of allergy to Rituximab 2)Patients with serious somatic symptom(excluding ITP) 3)Patients with alcoholism within 1 years 4)Patients with suspected blood disorder (excluding ITP) 5)Patients with suspected cyclic thrombocytopenia 6)HIV, HCV,HBc antibody or HBs antigen positivity 7)Patients with no active malignancy or history 8)Patients being treated for TIP at study entry(excluding Patients who have taken steroid,azathioprine,danazol,cyclosporin or mycophenolate mofetil during a certain period of time prior to the study entry.) 9)Patients who have taken platelet transfusion,immunoglobulin therapy ,splenectomy, steroid,and so on drugs within a certain period of time prior to the study entry. 10)Patients who have taken antineoplastic within 8 weeks prior to study entry 11)Patients who have taken antibody drugs 12)Females who are pregnant or desire childbearing. 13)Patients judged as being inappropriate for this study by investigators 14)Patients under other clinical trial

Design outcomes

Primary

MeasureTime frame
Response rate:platelet count 50,000/micro L at 24 weeks after therapy.

Secondary

MeasureTime frame
1)Change in platelet count 2)Proportion of patients with a reduction in concomitant ITP medication 3)Improvement rate of bleeding symptoms(WHO bleeding Scale) 4)Safety parameters(adverse event reporting and clinical laboratory tests) 5)Change in blood Bcell(CD19,CD20), Tcell(CD3) 6)Change in serum IgG,IgM,IgA

Countries

Japan

Contacts

Public ContactKayoko Kikuchi

Keio University School of Medicine

kayokok@a6.keio.jp+81-3-5363-3288

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026