P-2298. Daily Single-strength vs. Thrice-weekly Double-strength Trimethoprim/sulfamethoxazole for Pneumocystis jirovecii Prophylaxis in Kidney Transplant Recipients: A Non-inferiority Randomized Controlled trial
Abstract
Abstract Background Pneumocystis jirovecii pneumonia (PCP) is commonly encountered among kidney transplant (KT) recipients. Either daily or thrice-weekly, single strength (SS) or double strength (DS) trimethoprim/sulfamethoxazole (TMP/SMX) is recommended after KT to prevent PCP. However, a direct comparison between these regimens in terms of PCP prevention is lacking. We assessed the efficacy of SS daily (DSS) versus DS thrice weekly (TDS) TMP/SMX prophylaxis for PCP within the first 6 months post-transplant in KT recipients. Methods We conducted a single-center block of 4 randomized, open-label, non-inferiority, randomized controlled trial at a single transplant center between December 2022 and December 2023. All KT recipients 15 years and older were included. The single-strength group received TMP/SMX 80/400 mg daily after KT, while the double-strength group received two tablets of SS doses thrice weekly. PCP occurrence was observed for 6 months, and side effects of TMP/SMX and ease of drug consumption were monitored. Results A total of 65 KT recipients were included. The participants had a mean age (SD) of 46 (11) years old, with the following proportion: male gender (58%), deceased donor KT (20%), anti-thymocyte globulin as induction therapy (17%), and CMV seropositivity (95%). There were 32 and 33 KT recipients assigned to the DSS and TDS groups, respectively. Baseline characteristics between the two groups were comparable. At 6 months after transplant, all patients…
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Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design.
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