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Double Infection in a Patient with Psoriatic Arthritis Under TNF-alpha Blockers Therapy: A Case Report
Benedetto Caroleo1, Alberto Migliore2, Erika Cione3
1Department of Medical and Surgical Science, School of Medicine, University of Catanzaro and Elderly Disease Operative Unit Mater Domini Hospital, Catanzaro, Italy.
Background:
Either direct or indirect tumor necrosis factor (TNF)-alpha blockers are usually used to treat psoriatic arthritis (PA), but their use can increase susceptibility to infectious diseases.
Case Presentation:
We report a rare case of double skin-knee wound and lung non-tubercular infection in a patient with PA under TNF-alpha blockers therapy. About 1 year after the beginning of adalimumab, a 48-year-old smoker suffering of PA was hospitalized for the skin-knee wound.
Results:
Clinical evaluation and biochemical markers excluded the presence of a systemic disease, and a skin infection sustained by leishmaniasis probably related to adalimumab was diagnosed (Naranjo score: 6). Adalimumab was discontinued and oral treatment with apremilast and topical treatment with meglumine antimoniate was started with a complete remission of skin wound in 2 weeks. About 7 months later when the patient was under apremilast treatment, he presented to our observation for dyspnea, cough and fever. High-Resolution Computer Tomography (HRCT) chest highlighted alveolar involvement with centrilobular small nodules, branching linear and nodular opacities. Microbiological culture of both broncho-alveolar lavage fluid and sputum documented an infection sustained by nontuberculous mycobacteria. Even if apremilast treatment probably-induced lung infection, we can't exclude that it worsened a clinical condition induced by adalimumab. Apremilast was stopped and an empirical antitubercular treatment was started. Patient's breathlessness and cough improved as confirmed also by HRCT chest.
Conclusion:
This case highlights the importance to consider the possibility to develop leishmaniasis and/or non-tubercular mycobacterial infection in patients treated with TNF-alpha inhibitors.
Insights
Patients on tumor necrosis factor (TNF)-alpha blockers for psoriatic arthritis developed rare leishmaniasis and non-tubercular mycobacterial lung infections. Early diagnosis and treatment are crucial for managing these serious infections in immunosuppressed patients.
Area of Science:
- Immunology
- Infectious Diseases
- Dermatology
Background:
- Psoriatic arthritis (PA) is often treated with tumor necrosis factor (TNF)-alpha inhibitors.
- These therapies can increase the risk of opportunistic infections.
- Adalimumab is a common TNF-alpha blocker used for PA treatment.
Observation:
- A patient with PA on adalimumab developed a skin wound and subsequent lung infection.
- The skin infection was diagnosed as leishmaniasis, likely linked to adalimumab.
- The patient later developed a non-tubercular mycobacterial lung infection while on apremilast.
Findings:
- Leishmaniasis was diagnosed in a psoriatic arthritis patient treated with adalimumab.
- A non-tubercular mycobacterial infection occurred in the same patient during apremilast therapy.
- Discontinuation of adalimumab and apremilast, with appropriate treatments, led to patient recovery.
Implications:
- Clinicians should consider leishmaniasis and non-tubercular mycobacterial infections in PA patients on TNF-alpha inhibitors.
- Vigilance for opportunistic infections is essential during immunosuppressive therapy.
- This case underscores the need for careful monitoring and prompt management of infections in patients with autoimmune diseases.
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