Status:

TERMINATED

A Study of PRN1008 in Patients With Pemphigus

Lead Sponsor:

Principia Biopharma, a Sanofi Company

Conditions:

Pemphigus

Eligibility:

All Genders

18-80 years

Phase:

PHASE3

Brief Summary

This was a Phase 3 randomized, parallel-group, double-blind, placebo-controlled trial (blinded treatment \[BT\] period) followed by an open-label extension \[OLE\] period intended to evaluate the effi...

Detailed Description

A total of 131 male or female participants with newly diagnosed or relapsing moderate to severe pemphigus (pemphigus vulgaris \[PV\] or pemphigus foliaceus \[PF\]) were enrolled in the trial worldwide...

Eligibility Criteria

Inclusion

  • Male or female participants, aged 18 to 80 years old with moderate to severe, newly diagnosed or relapsing PV or PF, with a clinical presentation and histopathology consistent with PV or PF.
  • Positive circulating anti-desmoglein 1 (anti-dsg1) or 3 autoantibody titer.
  • At screening, pemphigus disease area index score of at least 9 points for relapsing participants or at least 15 points for newly diagnosed participants.
  • Adequate hematologic, hepatic, and renal function.
  • Effective means of contraception.

Exclusion

  • Suspected paraneoplastic pemphigus and other forms of pemphigus that were not PV or PF.
  • Previous use of a Bruton tyrosine kinase inhibitor.
  • Pregnant or lactating women.
  • Electrocardiogram clinically significant abnormalities.
  • A history of malignancy of any type within 5 years before Day 1, other than surgically excised non-melanoma skin cancers or in situ cervical cancer.
  • Use of immunologic response modifiers as concomitant medication and with the washout period.
  • Use of proton pump inhibitor drugs such as omeprazole and esomeprazole within 3 days of Day 1.
  • Concomitant use of known strong-to-moderate inducers or inhibitors of cytochrome P450 3A (CYP3A) within 3 days or 5 half-lives (whichever is longer) of Day 1
  • Use of CYP3A-sensitive substrate drugs.
  • Had received any investigational drug within the 30 days before Day 1.
  • History of drug abuse within the previous 12 months.
  • Alcoholism or excessive alcohol use.
  • Any other clinically significant disease, condition or medical history that, in the opinion of the Investigator, would interfere with participant safety, trial evaluations, and/or trial procedures.

Key Trial Info

Start Date :

January 8 2019

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

December 17 2021

Estimated Enrollment :

131 Patients enrolled

Trial Details

Trial ID

NCT03762265

Start Date

January 8 2019

End Date

December 17 2021

Last Update

August 2 2023

Active Locations (88)

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Page 1 of 22 (88 locations)

1

Central Recruiting (Principia Biopharma)

Boca Raton, Florida, United States, 33433

2

Central Recruiting (Principia Biopharma)

Coral Gables, Florida, United States, 33134

3

Central Recruiting (Principia Biopharma)

Atlanta, Georgia, United States, 30322

4

Central Recruiting (Principia Biopharma)

Ann Arbor, Michigan, United States, 48103