Efficacy of caspofungin combined with clindamycin for Pneumocystis jirovecii pneumonia in a systemic lupus erythematosus patient: A case report and literature review
Abstract
Background Pneumocystis jirovecii pneumonia (PCP) is an opportunistic infection with a difficult diagnosis, rapid progression, high mortality rate and poor prognosis. The primary treatment and prevention of PCP is trimethoprim/sulfamethoxazole (TMP/SMZ). However, there are many cases of intolerance or resistance to the drug, so the convenient and effective alternatives are deficient. Case presentation A 66-year-old woman who took an immunosuppressive agent for a long time was diagnosed with PCP. Poor compliance of treatment was found out after monitoring TMP/SMZ plasma concentrations in this patient. She stopped taking the drug herself because of nausea. As a result of intolerance to TMP/SMZ, caspofungin combined with clindamycin were chosen to continue anti-PCP treatment in this patient. She finally improved and discharged from hospital. Conclusion The new combination of caspofungin and clindamycin may be beneficial for patients with PCP who have failed treatment or are intolerant of TMP/SMZ. In addition, the trend of β-glucan levels can be a predictor of therapeutic efficacy in PCP.
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