This paper develops a real options approach to the optimal sequencing of antiretroviral drug cocktails for HIV/AIDS patients in resource-poor settings. The analysis focuses on the implications of endogenous resistance mutations in the virus that reduce or eliminate the effectiveness of individual drugs within a cocktail when lack of laboratory equipment prevents these from being identified. Usi...

Although management of drug resistance in tuberculosis (TB) and HIV in poor settings is in its infancy, lessons learned from TB may be relevant to HIV and vice versa. The experience with HIV has shown that rapid scale-up and lower drug pricing are achievable goals. The current prerequisites for obtaining drugs to treat multidrug-resistant TB (MDR-TB) may be too stringent given the immediacy of ...

Tinea capitis (TC) is a common childhood fungal infection which, if untreated, can cause long-term scarring. A number of antifungal drugs with proven efficacy are available for the treatment of TC. However, varying dosage schedules, changes in epidemiology, and rising drug resistance are factors that hamper treatment in some cases. A prospective, non-blinded, cross-sectional study of three comm...

Antiretroviral therapy has significantly expanded and an increased proportion of patients have switched to second-line regimens in China. We describe the outcomes of second-line therapy among patients having received long-term first-line ART. A prospective follow-up study was conducted in rural areas in China. We compared the virological, immunological outcomes and genotypic drug resistance (DR...

background clindamycin is a frequently used antimicrobial therapeutic medicine used for the treatment of skin and soft tissue infections caused by staphylococcus aureus strains. resistance to this antibiotic is either constitutive or inducible. constitutive resistance to clindamycin could be detected by standard susceptibility testing methods. inducible clindamycin resistance could not be detec...

drug resistance (especially multiple drug resistance) in mycobacterium tuberculosis makes global concerns in treatment and control of tuberculosis. rapid diagnosis of drug resistant strains of the bacteria has vital importance in the prognosis of the disease. the aim of this study was to identify the mutations responsible for drug resistance in mycobacterium tuberculosis strains derived from pa...

background: the purpose of this study was to investigate the enhanced thermal resistance mechanism of the du145 tumor spheroid cultures as compared to the prostate carcinoma cell line's monolayer cultures. materials and methods: du145 cells were cultured either as spheroids or monolayers. cultures were treated with hyperthermia in a precision water bath (at 43°c for 60 minutes) and/or quercetin...

conclusions: the combination of plasmid profiling and php techniques revealed the presence of diverse population of vre in sewage treatment plant in tehran. furthermore, the results showed that the php technique is a reliable method in determining the vre clonal diversity. results: all isolates were found to be resistant to erythromycin, ampicillin and ciprofloxacin. the pcr analyses showed tha...