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Effect of the use of Chloroquine and Hydroxychloroquine as a possible protector for Infection with the New Corona Virus 2019 in patients with Rheumatic Diseases

Evaluation of the effect of chronic use of Antimalarials on the frequency of infection with the New Corona Virus 2019 (Severe Acute Respiratory Syndrome Coronavirus 2 - SARS-CoV-2) in patients with Immunomedical Rheumatic Diseases

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
REBEC
Registry ID
RBR-9ktwx6
Enrollment
Unknown
Registered
2020-04-09
Start date
2020-03-30
Completion date
Unknown
Last updated
2025-10-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Severe Acute Respiratory Syndrome

Interventions

Through telephone contact, an interview will be conducted to collect data related to sociodemographic characteristics, details of the use of antimalarials and immune-mediated rheumatic diseases (indic
Other

Sponsors

Socidade Brasileira de Reumatologia
Lead Sponsor
Departamento de Ciência e Tecnologia - Decit
Collaborator

Eligibility

Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: Age greater than or equal to 18 years; use of antimalarial drugs for at least 30 days before inclusion; diagnosis of immune mediated rheumatic disease defined according to American College of Rheumatology (ACR) or European League against Rheumatism (EULAR) criteria: rheumatoid arthritis (RA), systemic lupus erythematosus (SLE, Sjogren's syndrome (SS), systemic sclerosis, myopathies inflammatory diseases, mixed connective tissue disease (DMTC), systemic sclerosis (ES); diagnosis of osteoarthritis (OA) of hands (subgroup).

Exclusion criteria

Exclusion criteria: Previous use of antimalarial, but not current in the last 6 months; history of solid organ or bone marrow transplantation; neoplasm of solid organs or lymphatic or myeloproliferative lineage in the last 12 months with or without adjuvant chemotherapy; use of intravenous human immunoglobulin in the last 30 days.

Design outcomes

Primary

MeasureTime frame
To evaluate the incidence of SARS-CoV-2 infection, suspected or confirmed, during the follow-up period, comparing the frequency between the patient and his home contacts included in the study, according to the definitions of the Ministry of Health of Brazil.;Determine the frequency of deaths in suspected or confirmed cases of SAR-Cov-2 infection in patients with rheumatic diseases by comparing with their home contacts included in the study;Evaluate the need for hospitalization due to SARS-CoV-2 infection in patients with rheumatic diseases compared to their home contacts included in the study, including the following parameters: total hospitalization time, need for admission to the intensive care unit, need for mechanical ventilation during hospitalization

Secondary

MeasureTime frame
To evaluate the general clinical differences of COVID-19 in the comparison between rheumatic patients and non-rheumatic controls. The data on the incidence of symptoms related to COVID-19 in patients with rheumatic diseases and their controls will be compared, both in cases considered mild (flu-like symptoms) and among severe cases (respiratory diseases, neurological diseases, gastrointestinal diseases).

Countries

Brazil

Contacts

Public Contactcláudia marques

Universidade Federal de Pernambuco

claudia.reumatologia@gmail.com55 (81) 92945459

Outcome results

None listed

Source: REBEC (via WHO ICTRP) · Data processed: Feb 17, 2026