Status:

COMPLETED

N-acetylcysteine for Primary Sjögren's Syndrome

Lead Sponsor:

University of Sao Paulo General Hospital

Conditions:

Sjögren Syndrome

Sicca Syndrome

Eligibility:

FEMALE

18+ years

Phase:

NA

Brief Summary

N-acetylcysteine (NAC) allows the elimination of reactive oxygen species (ROSs) and it has an anti-inflammatory effect. For this reason, NAC has been used and researched for treatment of several disea...

Detailed Description

Study design: This is a prospective, randomized, double-blind controlled study of N-acetylcysteine (600 mg orally every 12 hours in the form of syrup) lasting 12 weeks for the treatment of sicca syndr...

Eligibility Criteria

Inclusion

  • Agreement to participate in the study according to signed informed consent.
  • Filling the pSS classification criteria.
  • Absence of other autoimmune associates systemic diseases.
  • EULAR Sjögren Syndrome Disease Activity Index (ESSDAI) \<= 5.
  • Prednisone dose \< 20 mg/day at study inclusion.
  • Without pilocarpine or cevimeline use at study inclusion.
  • No use of N-acetylcysteine for at least 1 month before study inclusion.

Exclusion

  • Diabetes, sarcoidosis, previous history of head and neck radiotherapy or iodine therapy, positive serologies for HIV, hepatitis B and C, graft versus host disease, IgG4 (immunoglobulin G4) related disease, and current use of antidepressants tricyclics.
  • Current use of biological therapy.
  • Current smoking.
  • Alcoholism.
  • Liver cirrhosis and chronic kidney disease.

Key Trial Info

Start Date :

April 30 2021

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

January 21 2025

Estimated Enrollment :

60 Patients enrolled

Trial Details

Trial ID

NCT04793646

Start Date

April 30 2021

End Date

January 21 2025

Last Update

January 27 2025

Active Locations (2)

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Page 1 of 1 (2 locations)

1

Hospital das Clinicas da Faculdade de Medicina da USP

São Paulo, São Paulo, Brazil, 05403-000

2

Rheumatology Division of Hospital das Clínicas da Faculdade de Medicina da Universidade de Sao Paulo

São Paulo, São Paulo, Brazil, 05403-000