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Follow-up of psoriatic arthritis mutilans patients treated with anti-TNF-alpha therapy
Rebecca G Pomerantz1, Elinor Mody, M Elaine Husni
1University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
Abstract:
Psoriatic arthritis (PsA) is a chronic inflammatory joint disease associated with psoriasis. Arthritis mutilans is a rare clinical form of PsA in which osteolysis and destructive changes in the joints lead to irreversible deformity and loss of function. This paper describes three patients with psoriatic arthritis mutilans who were followed for up to two years and received treatment with etanercept, a TNF-alpha targeting agent that is used to treat PsA and psoriasis. Although these patients experienced significant joint and skin improvement with etanercept therapy, they retained lasting deformities from years of progressive disease. In order to prevent permanent joint damage, early recognition and treatment of PsA are critical. This highlights an important role for dermatologists in identifying early joint symptoms that may be suggestive of PsA in patients with psoriasis.
Insights
Psoriatic arthritis mutilans, a severe form of psoriatic arthritis, showed joint and skin improvement with etanercept. However, lasting deformities highlight the need for early psoriatic arthritis recognition and treatment.
Area of Science:
- Rheumatology
- Dermatology
- Immunology
Background:
- Psoriatic arthritis (PsA) is a chronic inflammatory condition linked to psoriasis.
- Arthritis mutilans, a severe subtype of PsA, causes joint destruction and irreversible deformities.
Observation:
- This study followed three patients with psoriatic arthritis mutilans over two years.
- Patients received etanercept, a TNF-alpha inhibitor, for their PsA and psoriasis.
Findings:
- Etanercept therapy led to significant improvements in both joint and skin symptoms.
- Despite treatment, patients retained permanent deformities due to long-standing disease progression.
Implications:
- Early recognition and treatment of PsA are crucial to prevent irreversible joint damage.
- Dermatologists play a key role in identifying early joint symptoms in psoriasis patients, facilitating timely PsA diagnosis.
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