Objectives:Spontaneous reporting is an important tool in pharmacovigilance. However, its success depends on cooperative and motivated prescribers. Under-reporting of adverse drug reactions (ADRs) by prescribers is a common problem. The present study was undertaken to evaluate the knowledge, attitude, and practices (KAP) regarding ADR reporting among prescribers at the Civil Hospital, Ahmedabad, to get an insight into the causes of under-reporting of ADRs.Materials and Methods:A pretested KAP questionnaire comprising of 15 questions (knowledge 6, attitude 5, and practice 4) was administered to 436 prescribers. The questionnaires were assessed for their completeness (maximum score 20) and the type of responses regarding ADR reporting. Microsoft Excel worksheet (Microsoft Office 2007) and Chi-Square test were used for statistical analysis.Results:A total of 260 (61%) prescribers completed the questionnaire (mean score of completion 18.04). The response rate of resident doctors (70.7%) was better than consultants (34.5%) (P < 0.001). ADR reporting was considered important by 97.3% of the respondents; primarily for improving patient safety (28.8%) and identifying new ADRs (24.6%). A majority of the respondents opined that they would like to report serious ADRs (56%). However, only 15% of the prescribers had reported ADRs previously. The reasons cited for this were lack of information on where (70%) and how (68%) to report and the lack of access to reporting forms (49.2%). Preferred methods for reporting were e-mail (56%) and personal communication (42%).Conclusion:The prescribers are aware of the ADRs and the importance of their reporting. However, under reporting and lack of knowledge about the reporting system are clearly evident. Creating awareness about ADR reporting and devising means to make it easy and convenient may aid in improving spontaneous reporting.
Aims We aimed to assess whether vitamin D supplementation improves glucose metabolism in adults with type 2 diabetes. Methods PubMed and Cochrane database were searched up to July 1st 2016 for randomized controlled trials that assessed the relationship between vitamin D supplementation and glucose metabolism (change in hemoglobin A1C (HbA1C) and fasting blood glucose (FBG)) among adults with type 2 diabetes. Results Twenty nine trials (3324 participants) were included in the systematic review. Among 22 studies included in the meta-analysis, 19 reported HbA1C, 16 reported FBG outcomes and 15 were deemed poor quality. There was a modest reduction in HbA1C (−0.32% [−0.53 to −0.10], I2 = 91.9%) compared to placebo after vitamin D supplementation but no effect on FBG (−2.33 mg/dl [−6.62 to 1.95], I2 = 59.2%). In studies achieving repletion of vitamin D deficiency (n = 7), there were greater mean reductions in HbA1C (−0.45%, [−1.09 to 0.20]) and FBG (−7.64 mg/dl [−16.25 to 0.97]) although not significant. Conclusions We found a modest reduction of HbA1C after vitamin D treatment in adults with type 2 diabetes albeit with substantial heterogeneity between studies and no difference in FBG. Larger studies are needed to further evaluate the glycemic effects of vitamin D treatment especially in patients with vitamin D deficiency.
We did not find any significant association between exogenous testosterone treatment and myocardial infarction, stroke, or mortality in randomized controlled trials. The very low quality of the evidence precludes definitive conclusion on the cardiovascular effects of testosterone.
Human immunodeficiency virus (HIV) infection is now recognized as a chronic illness. Although the success of highly active antiretroviral therapy is beyond question, several issues still persist. Since the drugs cannot eradicate the virus, cure is not yet possible, and patients have to maintain a lifelong adherence with the risk of toxic effects, drug-drug interactions and drug resistance. A clear understanding of the viral replication and its interaction with host cell factors has led to the development of a large number of effective antiretroviral drugs (ARVs). New drugs in the existing class such as apricitabine, elvucitabine and etravirine have shown promising results against HIV isolates resistant to first line drugs. These drugs have offered a new choice for patients with drug resistant disease. However, the impact of their long term use on safety is yet to be assessed. Novel drugs with unique mechanism of action such as CD4 receptor attachment inhibitors, maturation inhibitors, pharmacokinetic enhancers, capsid assembly inhibitors and lens epithelium derived growth factor inhibitors are still under development. Currently, ARVs, especially tenofovir and emtricitabine, are also being evaluated for prevention of sexual transmission of HIV-1. The initial results of an HIV prevention trial network are encouraging and have recommended the use of ARVs for pre-exposure prophylaxis. Thus, ARVs form the key component of HIV prevention and treatment strategy. This article discusses the challenges associated with HIV-1 treatment and updates several major advances in the development of ARVs.
Background Evidence suggests that social networks improve functional recovery after stroke, but this work has not been extended to low- and middle-income countries (LMICs). Post-stroke depression interferes with functional outcome but is understudied in LMICs. Aims To determine the relationships between social networks, disability, and depressive symptoms in patients surviving 90-days post-stroke in Dar es Salaam, Tanzania. Methods Participants ≥ 18 years, admitted ≤ 14 days of stroke onset, were enrolled. Disability was measured using the modified Rankin Scale, social networks by the Berkman-Syme social network index, and depressive symptoms by the Patient Health Questionnaire-9 (PHQ-9) by telephone interview at 90 days. A Kruskal-Wallis test or Spearman's correlation coefficient was used to assess the associations between social networks, depressive symptoms, and disability. Results Of 176 participants, 43% (n = 75) died, with an additional 11% (n = 20) lost to follow-up by 90 days. Among 81 survivors, 94% (n = 76, 57% male, average age 54 years) had complete information on all scales (mean and median follow-up time of 101 and 88 days). Thirty percent (n = 23, 41.9%, 95% confidence interval 20.2) had at least mild depressive symptoms (PHQ-9 ≥ 5 points). Nearly two-thirds (n = 46, 61%) reported ≥ 3 close friends. A higher social network index score was associated with fewer depressive symptoms (p < 0.0001) and showed a trend towards significance with lower disability (p = 0.061). Higher depressive symptom burden was correlated with higher disability (r = 0.52, p < 0.0001). Conclusion Post-stroke social isolation is associated with more depressive symptoms in Tanzania. Understanding social networks and the associated mechanisms of recovery in stroke is especially relevant in the context of limited resources.
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