start-ver=1.4 cd-journal=joma no-vol=73 cd-vols= no-issue=1 article-no= start-page=85 end-page=89 dt-received= dt-revised= dt-accepted= dt-pub-year=2019 dt-pub=201902 dt-online= en-article= kn-article= en-subject= kn-subject= en-title= kn-title=Conventional-dose Versus Half-dose Sulfamethoxazole-trimethoprim for the Prophylaxis of Pneumocystis Pneumonia in Patients with Systemic Rheumatic Disease: A Non-blind, Randomized Controlled Trial en-subtitle= kn-subtitle= en-abstract= kn-abstract= Pneumocystis pneumonia (PCP) due to Pneumocystis jirovecii infection is the leading cause of fatal opportunistic infections in immunocompromised patients. We will determine whether a daily sulfamethoxazole-trimethoprim (SMX/TMP) dose of 200/40 mg was non-inferior to 400/80 mg for PCP prevention in patients with systemic rheumatic disease under immunosuppressive therapy. This is a randomized, open-label, multicenter controlled trial. The primary outcome is the rate of PCP prevention at 52 weeks. The secondary outcome is the discontinuation rate of SMX/TMP. The trial will evaluate the optimal dose of SMX/TMP for PCP prevention in patients with systemic rheumatic disease under immunosuppressive therapy. en-copyright= kn-copyright= en-aut-name=AbeYoshiyuki en-aut-sei=Abe en-aut-mei=Yoshiyuki kn-aut-name= kn-aut-sei= kn-aut-mei= aut-affil-num=1 ORCID= en-aut-name=FujibayashiKazutoshi en-aut-sei=Fujibayashi en-aut-mei=Kazutoshi kn-aut-name= kn-aut-sei= kn-aut-mei= aut-affil-num=2 ORCID= en-aut-name=NishizakiYuji en-aut-sei=Nishizaki en-aut-mei=Yuji kn-aut-name= kn-aut-sei= kn-aut-mei= aut-affil-num=3 ORCID= en-aut-name=YanagisawaNaotake en-aut-sei=Yanagisawa en-aut-mei=Naotake kn-aut-name= kn-aut-sei= kn-aut-mei= aut-affil-num=4 ORCID= en-aut-name=NojiriShuko en-aut-sei=Nojiri en-aut-mei=Shuko kn-aut-name= kn-aut-sei= kn-aut-mei= aut-affil-num=5 ORCID= en-aut-name=NakanoSoichiro en-aut-sei=Nakano en-aut-mei=Soichiro kn-aut-name= kn-aut-sei= kn-aut-mei= aut-affil-num=6 ORCID= en-aut-name=TadaKurisu en-aut-sei=Tada en-aut-mei=Kurisu kn-aut-name= kn-aut-sei= kn-aut-mei= aut-affil-num=7 ORCID= en-aut-name=YamajiKen en-aut-sei=Yamaji en-aut-mei=Ken kn-aut-name= kn-aut-sei= kn-aut-mei= aut-affil-num=8 ORCID= en-aut-name=TamuraNaoto en-aut-sei=Tamura en-aut-mei=Naoto kn-aut-name= kn-aut-sei= kn-aut-mei= aut-affil-num=9 ORCID= affil-num=1 en-affil=Department of Internal Medicine and Rheumatology, Juntendo University School of Medicine kn-affil= affil-num=2 en-affil=Medical Technology Innovation Center, Juntendo University kn-affil= affil-num=3 en-affil=Medical Technology Innovation Center, Juntendo University kn-affil= affil-num=4 en-affil=Medical Technology Innovation Center, Juntendo University kn-affil= affil-num=5 en-affil=Clinical Research and Trial Center, Juntendo University Hospital kn-affil= affil-num=6 en-affil=Geriatric General Medicine, Juntendo Tokyo Koto Geriatric Medical Center kn-affil= affil-num=7 en-affil=Department of Internal Medicine and Rheumatology, Juntendo University School of Medicine kn-affil= affil-num=8 en-affil=Department of Internal Medicine and Rheumatology, Juntendo University School of Medicine kn-affil= affil-num=9 en-affil=Department of Internal Medicine and Rheumatology, Juntendo University School of Medicine kn-affil= en-keyword=pneumocystis pneumonia kn-keyword=pneumocystis pneumonia en-keyword=prophylaxis kn-keyword=prophylaxis en-keyword=systemic rheumatic disease kn-keyword=systemic rheumatic disease en-keyword=sulfamethoxazole-trimethoprim kn-keyword=sulfamethoxazole-trimethoprim en-keyword=conventional-dose versus half-dose kn-keyword=conventional-dose versus half-dose END