Adverse Drug Reaction Monitoring of Antidepressant Drugs in a Mental Health Institute in Odisha

Introduction: Antidepressants are used primarily in the management of depressive and anxiety disorders. The occurrence of adverse drug reactions (ADRs) to antidepressants is a major challenge as it influences patient compliance. Aim: The aim of this study was to find out the ADR profile of antidepressant drugs in a mental health institute in Odisha. Materials and Methods: This is a cross sectional observational study conducted in Department of Pharmacology in collaboration with Mental Health Institute (Centre of Excellence) S.C.B Medical College and Hospital, Cuttack from September 2017 to September 2019. Patients who received at least one antidepressant drug were included in the study irrespective of age and sex. Data were collected by interviewing the patients or attendants and on detection of ADR, it was recorded on suspected ADR reporting form designed by PvPI. Causality, severity and preventability of ADRs were assessed by, WHO-UMC causality assessment, modified Hartwig-Siegel Scale and modified Schumock-Thornton criteria respectively. Results: Out of 180 patients taking antidepressants, ADRs were reported in 24% of patients, with either possible or probable causality. None were labelled as certain. ADRs were observed in 50% of patients who received TCAs and among 34.5% who received polytherapy. Insomnia (27%), fatigue (17%) and agitation (13%) were most common ADRs. Most of the ADRs were of mild severity (91%) and not preventable (84%). Conclusion: Insomnia, fatigue and agitation were among most common ADRs. There was increased chance of ADRs with polytherapy and use of TCAs. Most ADRs were mild and not preventable.

Surveillance of adverse drug reactions at an adverse drug reaction monitoring centre in Central India: a 7-year surveillance study

ObjectivesTo analyse and present the occurrence and severity of spontaneous adverse drug reaction (ADR) reports prospectively registered at an ADR monitoring centre (AMC) in Central India.Setting and dataThe survey was conducted between 2013 and 2019 at an ADR Monitoring Centre in Central India. ADRs were recorded using the standard ‘Suspected ADR Reporting form’.Outcome measuresThe causality of the ADRs were categorised using the WHO causality assessment scale to assess the relationship between a drug and the occurrence of an ADR.ResultsTotally 1980 spontaneous ADRs were reported involving 960 patients and 1316 drugs prescriptions. The occurrence of ADRs was common among male patients (64%) and patients of age between 19 and 65 years (81%). Antimicrobials caused 29% ADRs, followed by drugs of antiretroviral therapy (19%). Zidovudine caused most ADRs (88%) followed by ethambutol and ciprofloxacin. The ADRs of skin and subcutaneous tissue disorders (28%) were most common among all system organ classes followed by gastrointestinal systems (18%). Four per cent of all reported ADRs were severe. A peak of ADR reports was attained in 2016 with 224 reports, which decreased to 127 in 2019.ConclusionA high number of ADRs caused by antimicrobials is an alarming situation, which adds up to antimicrobial resistance. Judicious use of antimicrobials is yet again proven as need of the hour. Under-reporting of ADRs is evident in our study and is a major factor for the delay in the withdrawal of drugs responsible for causing ADRs. Interventions in terms of training and feedback are suggested to encourage and improve ADR reporting.

Pharmacovigilance study in geriatric patients of a tertiary care hospital

Introduction: The aim was to assess, categorize and analyze the adverse drug reactions among geriatric patients in a tertiary care hospital. Methods: All adverse drug reactions of geriatric patients reported at the Adverse Drug Reaction Monitoring Center, Sri Venkateswara Medical College, Tirupati, under the Pharmacovigilance programme of India, during September 2016 and January 2018 were identified and evaluated. A retrospective analysis was carried out for ADR pattern, drug groups, organ systems implicated in suspect ADR, demographic profile, causality (as per the WHO–UMC scale), severity (Hartwig and Seigel scale), and preventability (Schumock and Thornton criteria) of a said drug. Results: A total of 120 ADRs were received among geriatric patients. Most of the ADRs occurred in male geriatrics (55.83 %) and (34.2 %) occurred in the age group of 60- 64 years. Antibiotics comprised the major group of drugs causing ADRs (18.3 %). ADRs related to gastrointestinal systems were most common with 31.7 % followed by skin disorders (15 %) and central nervous system disorders (13.3 %). As per the causality assessment scale, the majority of adverse drug reactions were found to be possible (51.7 %). Conclusions: There were 60.8 % of reactions being mild and 39.2 % were moderate reactions as per severity scale. The majority of the adverse drug reactions were non-serious (33 %) and in the serious category, 27.5 % of ADRs required intervention to prevent permanent damage.

Safety of traditional Chinese medicine injection based on spontaneous reporting system from 2014 to 2019 in Hubei Province, China

Traditional Chinese medicine (TCM) injection is widely used in clinical settings, but its adverse drug reactions (ADRs) can be a serious public health concern. The objective is to study the safety of TCM injection and provide suggestions for clinical use. ADR reports collected by the Hubei Adverse Drug Reaction Monitoring Center from 2014 to 2019 were analysed. The safety of TCM injections was described by descriptive analysis and three signal mining methods, including the reporting odd ratio (ROR), proportional reporting ratio (PRR) and comprehensive standard method (MHRA). The findings indicate that the age groups of 0–10 and 41–80 years had the highest rates of reporting ADRs. A total of 96.41% of the ADRs occurred within one week, mostly on the same day that the injection was administered. Among the 60 TCM injections, Shenmai, Xiangdan, Salvia, Shengmai, Astragalus and Xuebijing injection had an above average ratio of severe ADRs (12.63%). A total of 99.24% of the cases improved after treatment. There were 9 deaths whose ADRs were mainly anaphylactic shock, dyspnoea and anaphylactoid reaction. In signal mining, the three methods produced 19 signals that were the same, and 14 of them were off-label ADRs. The frequency of TCM injections in children and elderly patients should be reduced and monitored strictly. Close observation is necessary during the first seven days after receiving the injection. The clinical use of Shenmai, Xiangdan, Salvia, Shengmai, Astragalus and Xuebijing injections should be investigated. Signal mining and more research are needed on TCM injections.