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Key clinical point: Apremilast reduced inflammation in the joints and entheses of patients with psoriatic arthritis (PsA), as assessed by magnetic resonance imaging.

Major finding: Apremilast improved the composite inflammation score of bone marrow edema, synovitis, and tenosynovitis in the hand, as assessed by the Psoriatic Arthritis Magnetic Resonance Imaging Scoring System at week 24 (least squares mean change [Δ], −2.32; 95% CI, −4.73 to 0.09) and week 48 (Δ, −2.91; 95% CI, −5.45 to −0.37). No new safety concerns were reported.

Study details: This phase 4 MOSAIC study included 122 adults with PsA treated with apremilast, each having at least three swollen and three tender joints involving the hands, along with at least 1 active enthesitis site.

Disclosures: This study was funded by Amgen. Six authors reported being employees of and owning stock in Amgen. Other authors declared having ties with various sources, including Amgen.

Source: Østergaard M, Boesen M, Maksymowych WP, et al. Effect of apremilast on hand and whole-body MRI assessments of inflammation in patients with psoriatic arthritis (MOSAIC): A phase 4, multicentre, single-arm, open-label study. Lancet Rheumatol. Published online October 30, 2024. Source

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Key clinical point: Apremilast reduced inflammation in the joints and entheses of patients with psoriatic arthritis (PsA), as assessed by magnetic resonance imaging.

Major finding: Apremilast improved the composite inflammation score of bone marrow edema, synovitis, and tenosynovitis in the hand, as assessed by the Psoriatic Arthritis Magnetic Resonance Imaging Scoring System at week 24 (least squares mean change [Δ], −2.32; 95% CI, −4.73 to 0.09) and week 48 (Δ, −2.91; 95% CI, −5.45 to −0.37). No new safety concerns were reported.

Study details: This phase 4 MOSAIC study included 122 adults with PsA treated with apremilast, each having at least three swollen and three tender joints involving the hands, along with at least 1 active enthesitis site.

Disclosures: This study was funded by Amgen. Six authors reported being employees of and owning stock in Amgen. Other authors declared having ties with various sources, including Amgen.

Source: Østergaard M, Boesen M, Maksymowych WP, et al. Effect of apremilast on hand and whole-body MRI assessments of inflammation in patients with psoriatic arthritis (MOSAIC): A phase 4, multicentre, single-arm, open-label study. Lancet Rheumatol. Published online October 30, 2024. Source

Key clinical point: Apremilast reduced inflammation in the joints and entheses of patients with psoriatic arthritis (PsA), as assessed by magnetic resonance imaging.

Major finding: Apremilast improved the composite inflammation score of bone marrow edema, synovitis, and tenosynovitis in the hand, as assessed by the Psoriatic Arthritis Magnetic Resonance Imaging Scoring System at week 24 (least squares mean change [Δ], −2.32; 95% CI, −4.73 to 0.09) and week 48 (Δ, −2.91; 95% CI, −5.45 to −0.37). No new safety concerns were reported.

Study details: This phase 4 MOSAIC study included 122 adults with PsA treated with apremilast, each having at least three swollen and three tender joints involving the hands, along with at least 1 active enthesitis site.

Disclosures: This study was funded by Amgen. Six authors reported being employees of and owning stock in Amgen. Other authors declared having ties with various sources, including Amgen.

Source: Østergaard M, Boesen M, Maksymowych WP, et al. Effect of apremilast on hand and whole-body MRI assessments of inflammation in patients with psoriatic arthritis (MOSAIC): A phase 4, multicentre, single-arm, open-label study. Lancet Rheumatol. Published online October 30, 2024. Source

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