Syphilis Clinical Trial
Official title:
Clinical Trial Evaluating the Clinical Efficacy of Cefixime for Treatment of Early Syphilis
The goal of the study is to evaluate the efficacy of oral cefixime as an alternative treatment for syphilis infection. One hundred adult patients (≥18 years old) with syphilis infection (positive Treponema Pallidum Particle Agglutination assay and RPR titer ≥ 1/8) will be recruited. Participants will be randomized (1:1) to receive either the standard of care Penicillin or Cefixime. During the study, participants will visit the clinic up to 5 times; at baseline visit, at 3, 6, 12 months after treatment initiation. Participants of the cefixime group will be required to visit the clinic 14 days after treatment initiation. In each visit, participants will be asked about current symptoms and do laboratory tests for syphilis (RPR). Subjects who have a 4-fold decrease (from study entry RPR) in RPR titers from baseline at 6 months will be considered a positive treatment response.
Syphilis is a major issue worldwide causing 5.6 million new cases of syphilis worldwide, of which over 900,000 are pregnant women. It is also responsible for congenital infections causing fetal loss or stillbirth or, in a live-born infant, neonatal death, prematurity and low birth weight. Penicillin is the currently used treatment. However, lack of penicillin and alternatives to treatment often hinder treatment and prevention efforts. Cefixime is an FDA-approved, orally administered third-generation cephalosporin that is currently used for the treatment of a wide range of infections, including urinary tract infections. Our goal is to evaluate the efficacy and safety of oral cefixime as an alternative treatment for syphilis infection. One hundred adult patients (≥18 years old) with syphilis infection will be recruited. Eligible participants will have laboratory-confirmed syphilis infection with a positive Treponema pallidum Particle Agglutination (TPPA) assay and RPR (Rapid Plasma Reagin ) titer ≥ 1/8. Participants will be randomized (1:1) to receive either the standard of care Penicillin or Cefixime. During the study, participants will visit the clinic 5 times; at baseline visit, demographic, clinical information and laboratory test results for syphilis will be recorded and treatment will start. Depending on the study group, the treatment plan will be oral Cefixime 400mg, twice per day for ten consecutive days or one dose of intramuscular Penicillin. Patients will be required to visit the clinic two weeks after treatment initiation to verify adverse effects. Follow up visits will occur at 3, 6 and 12 months after treatment initiation. In each visit, participants will be asked about current symptoms, interval sexual history, concomitant antibiotic use and possible adverse reactions. Subjects will also have a venipuncture blood specimen collected for syphilis testing (RPR). Subjects who have a 4-fold decrease (from study entry RPR) in RPR titers from baseline at 6 months will be considered a positive treatment response. ;
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