Study to Test the Safety, Tolerability and Efficacy of UCB7665 in Subjects With Moderate to Severe Myasthenia Gravis

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UCB

Status and phase

Completed
Phase 2

Conditions

Myasthenia Gravis

Treatments

Other: Placebo
Drug: UCB7665

Study type

Interventional

Funder types

Industry

Identifiers

NCT03052751
2016-002698-36 (EudraCT Number)
MG0002

Details and patient eligibility

About

The purpose of the study is to evaluate the clinical efficacy of UCB7665 as a chronic-intermittent treatment in subjects with generalized myasthenia gravis (MG) who are classified as moderate to severe.

Enrollment

43 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Subject has a well-documented diagnosis of myasthenia gravis (MG) at Visit 1 (Screening), based on subject history and supported by previous evaluations
  • Subject would currently be considered for treatment with immunological therapy (immunoglobulin/plasma exchange (IVIG/PLEX)) by the investigator
  • Subject has a well-documented record of autoantibodies against anti-acetylcholine receptor (Anti-AChR) or anti-muscle specific kinase (Anti-MuSK) prior to Screening
  • Female subjects must either be: postmenopausal, permanently sterilized or if childbearing potential applicable will use a highly effective method of birth control
  • Male subjects must be willing to use a method of contraception

Exclusion criteria

  • Subject has previously received treatment in this study or subject has previously been exposed to UCB7665
  • Subject has participated in another study of an investigational medicinal product (IMP; or a medical device) within the previous 30 days of Screening or is currently participating in another study of an investigational medicinal product (IMP; or a medical device)
  • Subject has a known hypersensitivity to any components of the IMP
  • Subject has a history of hyperprolinemia, since L-proline is a constituent of the UCB7665 IMP
  • Subjects with Myasthenia Gravis (MG) only affecting the ocular muscles
  • Subjects with severe weakness affecting oropharyngeal or respiratory muscles, or who have myasthenic crisis at Screening or impending crisis
  • Subject has quantitative myasthenia gravis (QMG) score of <11 at Baseline
  • Subject has a serum total immunoglobulin G (IgG) level <= 6g/L at Screening
  • Absolute neutrophil count <1500 cells/mm^3
  • Subject has any medical condition (acute or chronic illness) or psychiatric condition that, in the opinion of the investigator, could jeopardize or would compromise the subject's ability to participate in this study
  • Subject has any laboratory abnormality that, in the opinion of the investigator, is clinically significant, has not resolved at randomization, and could jeopardize or would compromise the subject's ability to participate in this study
  • Subject has received a live vaccination within 8 weeks prior to the Baseline Visit; or intends to have a live vaccination during the course of the study or within 7 weeks following the final dose of IMP
  • Subject has received any experimental biological agent within or outside of a clinical study in the past 3 months or within 5 half-lives prior to Baseline (whichever is longer)

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Quadruple Blind

43 participants in 2 patient groups

Dosage Regimen 1
Experimental group
Description:
Subjects randomized in dosage regimen 1 will receive 3 doses of UCB7655 (dose 1) in dosing period 1 and will then be re-randomized into dosing period 2 to receive 3 doses of UCB7665 (dose 1 or dose 2).
Treatment:
Drug: UCB7665
Dosage Regimen 2
Experimental group
Description:
Subjects randomized in dosage regimen 2 will receive 3 doses of placebo in dosing period 1 and will then be re-randomized into dosing period 2 to receive 3 doses of UCB7665 (dose 1 or dose 2).
Treatment:
Drug: UCB7665
Other: Placebo

Trial documents
2

Trial contacts and locations

0

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Data sourced from clinicaltrials.gov

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