Status:

ENROLLING_BY_INVITATION

A Study to Assess the Long-term Safety and Efficacy of a Subcutaneous Formulation of Efgartigimod in Adults With Active Idiopathic Inflammatory Myopathy

Lead Sponsor:

argenx

Conditions:

Myositis

Active Idiopathic Inflammatory Myopathy

Eligibility:

All Genders

18+ years

Phase:

PHASE3

Brief Summary

The main purpose of this study is to measure the long-term safety and tolerability of efgartigimod PH20 SC in adult participants with Idiopathic Inflammatory Myopathy (IIM) who previously participated...

Eligibility Criteria

Inclusion

  • Has completed trial ARGX-113-2007
  • Being capable of providing signed informed consent and complying with protocol requirements
  • Agrees to use contraceptive measures consistent with local regulations and women of childbearing potential must have a negative urine pregnancy test at baseline before receiving the study drug

Exclusion

  • Intention to have major surgery during the study period or any other medical condition that has arisen since enrollment in study ARGX-113-2007, that in the investigator's opinion, would confound the results of the study or put the participant at undue risk
  • Known hypersensitivity reaction to the study drug or 1 of its excipients
  • Development of any malignancy, either new or recurrent, other than basal cell carcinoma of the skin, regardless of relatedness

Key Trial Info

Start Date :

September 12 2023

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

September 1 2028

Estimated Enrollment :

240 Patients enrolled

Trial Details

Trial ID

NCT05979441

Start Date

September 12 2023

End Date

September 1 2028

Last Update

January 8 2026

Active Locations (73)

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Page 1 of 19 (73 locations)

1

Neuromuscular Clinical and Research Center - Neurology

Phoenix, Arizona, United States, 85028

2

Attune Health Research, Inc

Beverly Hills, California, United States, 90039

3

UCI Health - ALS and Neuromuscular Center - Neurology

Orange, California, United States, 92868

4

UCSF Health - ALS and Neurodegenerative Disease Center - Dermatology

San Francisco, California, United States, 94143

A Study to Assess the Long-term Safety and Efficacy of a Subcutaneous Formulation of Efgartigimod in Adults With Active Idiopathic Inflammatory Myopathy | DecenTrialz