Background: Objective of the study was to evaluate the prescribing pattern in patients of asthma visiting outpatient departments.Methods: Collected prescriptions were analyzed for demographic variables, proportions of various comorbid conditions, average number of drugs per prescription, average number of anti-asthmatic drugs per prescription, proportion of prescription with antibiotics, fixed dose combinations, and generic/brand names, proportion of formulations utilized, proportion of concomitant medications and possible drug interactions, average cost per prescription, average cost of antiasthmatic drugs per prescription, proportion of irrational prescription and adverse drug reactions.Results: Total 139 prescriptions were evaluated. Deriphyllin was the most commonly prescribed anti-asthmatic drug followed by beta agonist- steroid combination. Majority drugs were prescribed by inhalational route. Deriphyllin, and dexamethasone were prescribed by oral route and salbutamol was by both oral and inhalational route of administration. Antibiotics were prescribed to 24 patients. Possible drug interaction with deriphyllin was found in 15 prescriptions. Average cost per prescription was Rs. 193.4 (95%CI: 171.6-215.3).Conclusions: Prescribing pattern of asthma in our hospital shows more use of anti-asthmatic drugs. Standard treatment guideline should be followed. Role of methylxanthine in long term management of asthma should be justified.
Objective:To evaluate the antitubercular efficacy and safety of New Chemical Entity (NCE): 8-[(4-Chloro phenyl) sulfonyl]-7-Hydroxy-4-Methyl-2H-chromen-2-One (CSHMC) in guinea pigs.Materials and Methods:This pilot study was carried out in guinea pigs. They were infected with M. tuberculosis H37Rv (1.5 × 104 cfu/guinea pig) via intramuscular route. After 30 days, infections were confirmed in 6 guinea pigs by histopathology of spleen, lung, and liver. After that CSHMC (5 and 20 mg/kg) was administered for 1 month and its effect was compared with vehicle, rifampicin (60 mg/kg) and isoniazid (30 mg/kg). Efficacy of CSHMC was evaluated on the basis of histopathologic scoring of lesion in lung, spleen, liver, and safety on the basis of measuring hemogram, liver and renal function parameters.Results:Isoniazid, rifampicin, and CSHMC (20 mg/kg) significantly reduce the median lesion score in lung, spleen, and liver as compared to disease control group. Reduction in median lesion score for lung and spleen were not statistically significant for CSHMC 5 mg/kg. CSHMC (20 and 5 mg/kg) did not produce any changes in hemogram, liver and renal function parameters with respect to normal values.Conclusions:CSHMC had shown significant antitubercular efficacy comparable to isoniazid and rifampicin and did not show hematological, hepato- and nephrotoxicity.
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