BackgroundPersons with diabetes are at high risk of developing diabetic kidney disease (DKD), which is associated with high morbidity and mortality. Current drug therapies for DKD, such as angiotensin-converting enzyme inhibitors (ACEIs) and angiotensin receptor blockers (ARBs), are not entirely satisfactory. This study aimed to evaluate the additional benefit and safety of the Chinese herbal granule Tangshen Formula (TSF) in treating DKD.MethodsThe study was designed as a six-center randomized, double-blind, placebo-controlled trial. From April 2007 through December 2009, 180 patients with DKD were enrolled. In addition to conventional treatment with ACEIs or ARBs, 122 participants were randomly assigned to receive TSF and 58 participants to receive placebo for 24 weeks. Primary outcome was urinary protein level, measured by urinary albumin excretion rate (UAER) for participants with microalbuminuria, 24-hour urinary protein (24h UP) for participants with macroalbuminuria. Secondary outcomes included renal function, serum lipids, quality of life, symptoms, and adverse events.FindingsAfter 24 weeks of treatment, no statistically significant difference in UAER (TSF −19.53 μg/min compared with placebo −7.01 μg/min, with a mean difference of −12.52 μg/min; 95%CI, −68.67 to 43.63, P = 0.696) was found between TSF and placebo groups. However, TSF displayed a statistically significant decrease in 24h UP (TSF−0.21 g compared with placebo 0.36 g, with a mean difference of −0.57g; 95%CI, −1.05 to −0.09, P = 0.024). Estimated glomerular filtration rate (eGFR) was improved in both patients with microalbuminuria and macroalbuminuria, with a mean difference of 15.51 ml/min/1.73 m2 (95%CI, 3.71 to 27.31), 9.01 ml/min/1.73 m2 (95%CI, −0.10 to 18.13), respectively. Other secondary outcomes showed no statistically significant difference between groups or in the incidence of adverse events.ConclusionsBased on conventional treatments, TSF appears to provide additional benefits compared with placebo in decreasing proteinuria and improving eGFR in DKD patients with macroalbuminuria. Nevertheless, further study is needed to evaluate TSF treating patients with microalbuminuria.Trial RegistrationChinese Clinical Trial Registry ChiCTR-TRC-10000843
Background Mycoplasma genitalium (MG) causes symptomatic urethritis in men, and can infect alone or together with other sexually transmitted infection (STI) agents. Methods The prevalence of MG and other STIs was determined in 1816 men with symptomatic urethritis. Resistance of MG to macrolides and fluoroquinolones was determined by sequencing; the impact of recent antimicrobial usage on the distribution of MG single or mixed infections was determined. Results Overall, prevalence of MG infection was 19.7% (358/1816). Fifty-four percent (166/307) of MG infections occurred alone in the absence of other STI agents. Men with single MG infection self-administered or were prescribed antibiotics more often in the 30 days prior to enrollment than subjects with urethritis caused by MG coinfection (P < .0001). Higher rates (96.7%) of infection with macrolide resistance in MG were identified in men who had taken macrolides prior to enrollment (P < .03). Overall, 88.9% (303/341) of 23S ribosomal RNA (rRNA) genes contained mutations responsible for macrolide resistance; 89.5% (308/344) of parC and 12.4% (42/339) of gyrA genes had mutations responsible for fluoroquinolone resistance. Approximately 88% (270/308) of MG had combined mutations in 23S rRNA and parC genes; 10.4% (32/308) had mutations in all 3 genes. Conclusions MG was the single pathogen identified in 11% of men with symptomatic urethritis. Overall, nearly 90% of MG infections were resistant to macrolides and fluoroquinolones. Men who took macrolides in the 30 days prior to enrollment had higher rates (97%) of macrolide-resistant MG. Resistance was associated with numerous mutations in 23SrRNA, parC, and gyrA genes.
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