Clinical trial
Evaluating the Pharmacokinetics and Pharmacodynamics of Romiplostim in Patients With Immune Thrombocytopenia (ITP)
Name
531-CN001
Description
The objective of evaluating the pharmacokinetics and pharmacodynamics of romiplostim in patients with immune thrombocytopenia.
Trial arms
Trial start
2015-09-01
Estimated PCD
2017-08-01
Trial end
2017-08-01
Status
Completed
Phase
Early phase I
Treatment
Romiplostim
Arms:
1 mcg/kg AMG531, 3 mcg/kg AMG531
Other names:
AMG531
Size
16
Primary endpoint
The incidence of all adverse events including evaluation of antidrug antibody status
Up to 43 days after dosing
Eligibility criteria
Inclusion Criteria:
* Diagnosed with immune thrombocytopenia (ITP) for at least 6 months prior to signing the informed consent form (ICF).
* Subject is ≥ 18 years old and ≤ 70 years old while signing the ICF.
* Patients who have no response or relapsed after splenectomy. Or patients who have not been splenectomised and have completed at least 1 prior treatment for ITP. Excluded having previously received recombinant human thrombopoietin (rHuTPO) or any other thrombopoietin receptor agonist.
* The mean of 3 scheduled platelet counts taken during the screening period must be: \< 30 ×10\^9/L, with none \>35×10\^9/L.
Exclusion Criteria:
* Any known history of bone marrow stem cell disorder. Any abnormal bone marrow findings other than typical of ITP.
* Any active malignancy. If prior history of cancer other than basal cell carcinoma or cervical carcinoma in situ, no treatment or active disease within 5 years prior to signing the ICF.
* Had received Eltrombopag, recombinant human thrombopoietin (rHuTPO) or other myeloproliferative leukemia (MPL) stimulation product.
* Received hematopoietic growth factors (e.g., granulocyte colony-stimulating factor, macrophage colony-stimulating factor, erythropoietin, interleukin-11) for any reason within 4 weeks prior to signing the ICF.
* Received any anti-malignancy agents (e.g., cyclophosphamide, 6-mercaptopurine, vincristine, vinblastine, interferon-alfa) for any reason within 8 weeks prior to signing the ICF.
* Received any monoclonal antibody drugs (e.g., rituximab) for any reason within 14 weeks prior to signing the ICF.
* Less than 4 weeks since end of any clinical trials about therapeutic drug or device for any indication prior to signing the ICF.
* Pregnant or breast feeding.
* In the opinions of the principal investigator or investigators, the patients are not suitable for participation in this trial.
Protocol
{'studyType': 'INTERVENTIONAL', 'phases': ['PHASE1', 'PHASE2'], 'designInfo': {'allocation': 'RANDOMIZED', 'interventionModel': 'PARALLEL', 'primaryPurpose': 'TREATMENT', 'maskingInfo': {'masking': 'NONE'}}, 'enrollmentInfo': {'count': 16, 'type': 'ACTUAL'}}
Updated at
2024-04-29
1 organization
1 product
1 indication
Product
RomiplostimIndication
Immune Thrombocytopenia (ITP)Organization
Kyowa Kirin China Pharmaceutical