Clinical Efficacy and Safety of Leflunomide in Egyptian Patients With Active Rheumatoid Arthritis

A Phase IV, Multi-Centric, Prospective, Observational Study to Assess the Clinical Efficacy and Safety of Leflunomide in Egyptian Patients With Active Rheumatoid Arthritis

A Phase IV, Multi-Centric, Prospective, Observational Study to Assess the Clinical Efficacy and Safety of Leflunomide in Egyptian Patients with Active Rheumatoid Arthritis. (CLEAR)

CLEAR is a phase IV, multi-centric, prospective, observational study to assess the clinical efficacy and safety of Leflunomide as first-line therapy and as add-on therapy to other DMARDs (such as Methotrexate, Hydroxychloroquine, Sulfasalazine) with or without Steroids use in Egyptian patients with Active Rheumatoid Arthritis.

Inclusion Criteria:

1. Active Rheumatoid Arthritis patients selected according to the ACR/EULAR classification 2010 criteria with score ≥ 6 points.
2. Male or female patients aged 18-60 years old.
3. Leflunomide naïve patients or patients with previous Leflunomide administration (after at least 6 month wash out period from date of baseline visit) who will be prescribed Leflunomide at the sole decision of the treating physician.
4. Patients with or without another DMARDs including Methotrexate, Sulfasalazine and/or Hydroxychloroquine with or without steroids use who experienced therapy resistance, inadequate response or intolerance.
5. Patients read, understand and signed informed consent prior to inclusion.
6. Patients willing to complete and literate in the language of the available Health Assessment Questionnaire (HAQ Disability Index) either alone or with minimal assistance from caregivers and/or trained site personnel.

Exclusion Criteria:

1. Female patients who are pregnant or lactating at the time of inclusion or those who are planning for pregnancy within the coming year from the time of inclusion to the study.
2. Patients with contraindications to active constituent of Leflunomide.
3. Patients with severe concurrent infection (necessitating IV antibiotics or hospitalization).
4. Patients with history of non-treated hepatitis B &/or C infection.
5. Patients with history of severe liver disease (child C class).
6. Patients with history of severe renal insufficiency (creatinine clearance ≤30 ml/min.).