Study to Evaluate the Safety and Efficacy of Efgartigimod (ARGX-113) PH20 Subcutaneous in Adult Patients With Primary Immune Thrombocytopenia
- Conditions
- Primary immune thrombocytopenia (ITP)MedDRA version: 23.0Level: LLTClassification code 10083843Term: Primary immune thrombocytopeniaSystem Organ Class: 100000004851Therapeutic area: Diseases [C] - Blood and lymphatic diseases [C15]
- Registration Number
- EUCTR2020-004033-20-RO
- Lead Sponsor
- argenx BV
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Authorised-recruitment may be ongoing or finished
- Sex
- All
- Target Recruitment
- 156
Participants are eligible to be included in the trial only if all of the following criteria apply:
1. Ability to understand the requirements of the trial and provide written informed consent (including consent for the use and disclosure of research-related health information), willing and able to comply with the trial protocol procedures (including attending the required trial visits).
2. Participants enrolled in the ARGX-113-2004 trial who completed the 24-week trial period. Note: If a participant has had an SAE during the ARGX-113-2004 trial, his/her eligibility should be evaluated by the investigator and the sponsor’s trial physician. The decision of enrolling the participant will be evaluated case by case.
3. Women of childbearing potential:
• As defined in Woman of Childbearing Potential in the protocol, women of childbearing potential must have a negative urine pregnancy test at baseline before trial medication can be administered
• Must be on a stable regimen for at least 1 month of a highly effective or acceptable method of contraception (see Female Contraception in the protocol) during the trial and for 90 days after the last administration of efgartigimod PH20 SC
4. Non-sterilized male participants who are sexually active with a female partner of childbearing potential must use an acceptable method of contraception, ie, a condom (see Male Contraception in the protocol) from signing the informed consent form (ICF) until the end of the trial. Male participants are not allowed to donate sperm from signing the ICF until the end of the trial.
In addition to the above criteria, for participants who want to continue receiving efgartigimod during an additional 52-week treatment period (only applicable in case efgartigimod is not yet commercially available for patients with primary ITP or available through another patient program for patients with primary ITP):
5. Ability to understand the requirements of the additional 52-week treatment period 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).
6. Participant has completed a 52-week treatment period.
Are the trial subjects under 18? no
Number of subjects for this age range:
F.1.2 Adults (18-64 years) yes
F.1.2.1 Number of subjects for this age range 136
F.1.3 Elderly (>=65 years) yes
F.1.3.1 Number of subjects for this age range 20
Participants are eligible to be included in the trial only if none of the following criteria apply:
1. Introduction or continuation of nonpermitted medications during the ARGX-113-2004 trial (such as anti-CD20 therapy, romiplostim, monoclonal antibodies, Fc fusion proteins, or live/live-attenuated vaccines)
2. Use of any other investigational drug or participation in any other investigational trial
3. Known hypersensitivity reaction to efgartigimod PH20 SC or any of its excipients
4. Pregnant or lactating females and those who intend to become pregnant during the trial or within 90 days after last dose of efgartigimod PH20 SC
Study & Design
- Study Type
- Interventional clinical trial of medicinal product
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method
- Secondary Outcome Measures
Name Time Method