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FDA approves Rinvoq to treat moderately to severely active rheumatoid arthritis

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Last updated:21st Aug 2019
Published:17th Aug 2019
Source: Pharmawand

AbbVie has announced that the FDA has approved Rinvoq (upadacitinib), a 15 mg, once-daily oral Janus kinase (JAK) inhibitor, for the treatment of adults with moderately to severely active rheumatoid arthritis (RA) who have had an inadequate response or intolerance to methotrexate . Rinvoq is expected to be available in the U.S. in late August 2019. The FDA approval of Rinvoq is supported by data from the SELECT program, one of the largest registrational Phase III programs in RA with approximately 4,400 patients evaluated across all treatment arms in five studies.

The studies include assessments of efficacy, safety and tolerability across a variety of RA patients, including those who failed or were intolerant to biologic disease-modifying anti-rheumatic drugs and who were naïve or inadequate responders to methotrexate. Rinvoq is not indicated for methotrexate-naïve patients.

Across the SELECT Phase III studies, Rinvoq met all primary and ranked secondary endpoints . The primary endpoints include: In SELECT-EARLY, 52 percent of MTX-naïve patients treated with Rinvoq 15 mg achieved ACR50 vs 28 percent treated with MTX at week 121. In SELECT-MONOTHERAPY, 68 percent of MTX-IR patients treated with Rinvoq 15 mg achieved ACR20 vs 41 percent treated with continued MTX at week 141. In SELECT-COMPARE, 71 percent of MTX-IR patients treated with Rinvoq 15 mg plus MTX achieved ACR20 vs 36 percent treated with placebo plus MTX at week 121. In SELECT-NEXT, 64 percent of csDMARD-IR patients treated with Rinvoq 15 mg plus csDMARDs achieved ACR20 vs 36 percent treated with placebo plus csDMARDs at week 121. In SELECT-BEYOND, 65 percent of biologic-IR patients treated with Rinvoq 15 mg plus csDMARDs achieved ACR20 vs 28 percent treated with placebo plus csDMARDs at week 121.

Clinical Remission - Patients taking Rinvoq achieved clinical remission, a state characterized by almost no disease activity and symptoms, even without methotrexate. Approximately 30 percent of patients treated with Rinvoq achieved clinical remission (as assessed by DAS28-CRP<2.6) at week 12 in SELECT-COMPARE and week 14 in SELECT-MONOTHERAPY compared to six percent with placebo plus methotrexate and eight percent with methotrexate, respectively. In SELECT-EARLY, 36 percent of patients treated with Rinvoq achieved clinical remission (as assessed by DAS28-CRP<2.6) at week 12 compared to 14 percent with methotrexate. Durable remission rates were observed up to week 26. Forty-eight percent of patients treated with Rinvoq alone in SELECT-EARLY and 41 percent of patients treated with Rinvoq plus methotrexate in SELECT-COMPARE achieved clinical remission at weeks 24 and 26, compared to nine percent with placebo plus methotrexate and 18 percent with methotrexate, respectively. Analysis at weeks 24 and 26 were not controlled for multiple comparisons

Radiographic Inhibition - Rivoq significantly inhibited radiographic progression as measured by the change in modified total Sharp score (mTSS) from baseline compared to methotrexate in SELECT-EARLY (0.14 vs 0.67) and Rinvoq plus methotrexate compared to placebo plus methotrexate in SELECT-COMPARE (0.15 vs 0.78) through weeks 24 and 26, respectively.

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