EUCTR2019-002100-41-PL进行中（未招募）1 期
A Phase 3, Multicenter, Randomized, Double-Blinded, Placebo-Controlled Trial to Evaluate the Efficacy and Safety of Efgartigimod (ARGX-113) 10 mg/kg Intravenous in Adult Patients With Primary Immune Thrombocytopenia - ADVANCE
argenx BVBA0 个研究点目标入组 156 人开始时间: 2019年11月13日最近更新:
试验速览
- 阶段
- 1 期
- 状态
- 进行中（未招募）
- 发起方
- 入组人数
- 156
研究概览
简要总结
暂无简介。
研究设计
- 研究类型
- Interventional clinical trial of medicinal product
入排标准
- 性别
- All
入选标准
- •1. Ability to understand the requirements of the trial, to provide written informed consent (including consent for the use and disclosure of research-related health information), and to comply with the trial protocol procedures (including required trial visits).
- •2. Male or female patient aged =18 years.
- •3. Confirmed ITP diagnosis, at least 3 months before randomization and according to the ASH Criteria, and no known other etiology for thrombocytopenia.
- •4. Diagnosis supported by a response to a prior ITP therapy (other than TPO-RAs), in the opinion of the investigator.
- •5. Mean platelet count of <30×10^9/L from 2 counts: 1 platelet count collected during the screening period and the predose platelet count on the day of randomization (visit 1).
- •6. At the start of the trial, the patient is either on concurrent ITP treatment(s) and has received at least 1 prior therapy for ITP in the past, or the patient is not on treatment for ITP but has received at least 2 prior treatments for ITP. Patients receiving permitted concurrent ITP treatment(s) at baseline, must have been stable in dose and frequency for at least 4 weeks prior to randomization.
- •Permitted concurrent ITP medications include oral corticosteroids, oral immunosuppressants, dapsone/danazol, fostamatinib, and/or oral TPO-RAs.
- •Patients not receiving concurrent ITP therapy are also eligible for the trial if they have not received prior ITP therapy for at least 4 weeks prior to baseline, and 6 months in case of prior ITP therapy with an anti-CD20 therapy (eg, rituximab).
- •7. Women of childbearing potential must have a negative serum pregnancy test at the screening visit and a negative urine pregnancy test at baseline before study medication (infusion) can be administered. Women are considered of childbearing potential unless they are post-menopausal (defined by continuous amenorrhea) for at least 1 year with an FSH of >40 IU/L or are surgically sterilized (ie, women who had a hysterectomy, a bilateral salpingectomy both ovaries surgically removed, or have a documented permanent female sterilization procedure including tubal ligation). Follicle-stimulating hormone can be used to confirm post-menopausal status in amenorrheic patients not hormonal replacement therapy.
- •8. Women of childbearing potential should use a highly effective or
- •acceptable method of contraception during the trial and for 90 days after the last administration of the IMP. They must be on a stable regimen, for at least 1 month:
- •combined (estrogen and progestogen containing) hormonal contraception associated with inhibition of ovulation:
- •-intravaginal
- •- transdermal
- •progestogen-only hormonal contraception associated with inhibition of ovulation:
- •- injectable
- •- implantable
- •intrauterine device (IUD)
- •intrauterine hormone-releasing system
- •bilateral tubal occlusion
- •vasectomized partner (provided that the partner is the sole sexual partner of the trial participant and documented aspermia post procedure)
- •continuous abstinence from heterosexual sexual contact. Sexual abstinence is only allowable if it is the preferred and usual lifestyle of the patient. Periodic abstinence (calendar, symptothermal, post-ovulation methods) is not acceptable.
- •male or female condom with or without spermicide
- •cap, diaphragm, or sponge with spermicide.
- •9. Non-sterilized male patients who are sexually active with a female partner of childbearing potential must use an acceptable method of contraception, ie, condom. Male pa
排除标准
- •1. ITP/thrombocytopenia associated with another condition, eg, lymphoma, chronic lymphocytic leukemia, viral infection, hepatitis, induced or alloimmune thrombocytopenia, or thrombocytopenia associated with myeloid dysplasia.
- •2. Use of anticoagulants (eg, vitamin K antagonists, direct oral anticoagulants) within 4 weeks prior to randomization.
- •3. Use of any transfusions within 4 weeks prior to randomization.
- •4. Use of Ig, (IV, subcutaneous or intramuscular route) or plasmapheresis (PLEX), 4 weeks prior to randomization.
- •5. Use of anti-CD20 therapy (eg, rituximab) within 6 months prior to randomization.
- •6. Use of romiplostim within 4 weeks prior to randomization.
- •7. Undergone splenectomy less than 4 weeks prior to randomization.
- •8. Use of any other investigational drug within 3 months or 5 half-lives of the drug (whichever is longer) prior to randomization.
- •9. Use of monoclonal antibodies or Fc fusion proteins, other than those previously indicated, within 3 months prior to randomization.
- •10. At the screening visit, clinically significant laboratory abnormalities as below:
- •- Hemoglobin =9 g/dL.
- •- International normalized ratio >1.5 or activated partial thromboplastin time >1.5×ULN.
- •- Total IgG level <6 g/L.
- •11. Patients who have a history of malignancy, including malignant thymoma, or myeloproliferative or lymphoproliferative disorders, unless deemed cured by adequate treatment with no evidence of recurrence for =3 years before screening. Patients with completely excised non-melanoma skin cancer (such as basal cell carcinoma or squamous cell carcinoma) or cervical carcinoma in situ would be permitted at any time.
- •12. Uncontrolled hypertension, defined as a repeated elevated blood pressure exceeding 160 mmHg (systolic) and/or 100 mmHg (diastolic) despite appropriate treatments.
- •13. History of any major thrombotic or embolic event (eg, myocardial infraction, stroke, pulmonary embolism, deep venous thrombosis) within 12 months prior to randomization.
- •14. History of coagulopathy or hereditary thrombocytopenia or a family history of thrombocytopenia.
- •15. History of a recent or planned major surgery (that involves major organs eg, brain, heart, lung, liver, bladder, or gastrointestinal tract) within 4 weeks of randomization.
- •16. Positive serum test at screening for an active viral infection with any
- •of the following conditions:
- •a. Hepatitis B virus (HBV) that is indicative of an acute or chronic infection, unless associated with a negative HBV DNA test (https://www.cdc.gov/hepatitis/HBV/PDFs/SerologicChartv8.pdf ).
- •b. Hepatitis C virus (HCV) based on HCV-antibody assay (unless associated with a negative HCV RNA test)
- •c. Human immunodeficiency virus (HIV) based on test results that are associated with an acquired immunodeficiency syndrome (AIDS)defining condition or a CD4 count =200 cells/mm^3.
- •17. Clinical evidence of significant unstable or uncontrolled acute or chronic diseases other than ITP (eg, cardiovascular, pulmonary, hematologic, gastrointestinal, endocrine, hepatic, renal, neurological, malignancy, infectious diseases, uncontrolled diabetes) despite appropriate treatments which could put the patient at undue risk.
- •18. Patients with known medical history of hypersensitivity to any of the ingredients of the IMP.
- •19. Patients who previously participated in a clinical trial with efgartigimod and have received at least 1 administration of the IMP..
- •20. Pregnant or lactating females.
- •21. Employees of the investigator or tria
研究者
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