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Agrawal P, Jain A, Gautam A, Nigam AK, Pursnani N, Farooqui M. A retrospective study to assess the risk of bladder cancer in type-2 diabetic patients treated with pioglitazone. Perspect Clin Res 2021; 12:9-13. [PMID: 33816203 PMCID: PMC8011523 DOI: 10.4103/picr.picr_192_18] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Revised: 02/26/2019] [Accepted: 04/23/2019] [Indexed: 12/15/2022] Open
Abstract
Introduction Pioglitazone has been a cornerstone of oral hypoglycemic therapy. Concerns have been raised about its association with urinary bladder cancer. Considering the wide usage of this drug, concrete and multiple population-based studies are needed to establish the safety of this drug. The present retrospective study is aimed to assess the association of pioglitazone with urinary bladder cancer. Materials and Methods Clinical records of 4170 patients (2085 pioglitazone users and similar number of nonpioglitazone users) attending the diabetes clinic at a tertiary level teaching hospital were accessed, and the patients were subjected to symptom-directed questionnaire, urine examination, and cystoscopy and bladder biopsy (whenever clinically indicated). The risk of bladder cancer was also assessed with respect to cumulative dose and duration of pioglitazone. Results We did not observe any increased risk of bladder malignancy with pioglitazone exposure; furthermore, there was no association with cumulative dose and duration of pioglitazone therapy. Pioglitazone was found to be effective and safe in managing glycemic control in diabetic patients.
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Menat U, Desai CK, Panchal JR, Shah AN. An evaluation of trigger tool method for adverse drug reaction monitoring at a tertiary care teaching hospital. Perspect Clin Res 2021; 12:33-39. [PMID: 33816207 PMCID: PMC8011521 DOI: 10.4103/picr.picr_30_19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Revised: 06/02/2019] [Accepted: 06/21/2019] [Indexed: 12/02/2022] Open
Abstract
Objectives: The objective of this study is to evaluate the trigger tool method (TTM) in detection, monitoring, and reporting of adverse drug reactions (ADRs) at Civil Hospital Ahmedabad, India. Materials and Methods: A prospective, single-center, observational cum intervention study was conducted in two phases in the Department of Medicine over 15 months. In phase I, preliminary trigger tool list (PTTL) comprising 55 triggers was evaluated by pharmacologist in terms of detection of ADR in 400 patients and then, modified trigger tool list (MTTL) was prepared. In Phase II, the TTM using MTTL was compared with the spontaneous method of ADR monitoring after educational interventions in resident doctors of the two units of medicine department. Results: Of the 55 triggers in PTTL, 34 triggers were observed in 327 patients, of which 19 triggers lead to the detection of 66 ADRs. The rate of ADEs was 16.5%/100 patients. Positive predictive value (PPV) of each trigger ranged from 0% to 100%. PPV for drug trigger, laboratory trigger, and PT was 14.4%, 4.5%, and 23.3%, respectively. Overall, PPV of PTTL was 19.27%. Sensitivity and specificity were 100% and 21.66%, respectively. MTTL consists of these 19 triggers. In Phase II, resident doctors reported 16 ADRs, using spontaneous method and 23 ADRs using MTTL. The rate of ADEs per 100 patients was 1.63 and 2.13, respectively, with these methods. A total of 105 ADRs were reported during both phases. Conclusion: TTM is an effective method of ADR reporting if it is utilized by a trained person. This method could be used as add-on method to spontaneous method to improve ADR reporting.
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Pagani S, Lombardi N, Crescioli G, Vighi GV, Spada G, Romoli I, Andreetta P, Capuano A, Marrazzo E, Marra A, Leoni O, Vannacci A, Venegoni M, Vighi GD. Analysis of fatal adverse drug events recorded in several Italian emergency departments (the MEREAFaPS study). Intern Emerg Med 2021; 16:741-748. [PMID: 33392971 DOI: 10.1007/s11739-020-02521-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Accepted: 09/28/2020] [Indexed: 12/24/2022]
Abstract
Fatal Adverse Events (FADEs) are a major public health problem, and some FADEs could be preventable. The aim of the present study is to describe the frequency, the drugs involved and the preventability in the FADEs collected through the MEREAFaPS Study between 2012 and 2018. All cases including the outcome "death" have been examined. We excluded cases with vaccine-related ADEs, overdose or suicide, and ADEs occurred during the hospitalisation. Two trained assessors evaluated all cases fulfilling the inclusion criteria. ADEs' preventability was evaluated applying the Schumock and Thornton algorithm. During the study period, we observed 429 cases of death, 92 of which were excluded. The remaining 337 cases involved 187 women and 150 men, with a mean age of 79 and of 77 years, respectively. For each report, the suspected drugs and concomitant ones were 1.26 and 4.20, respectively. Anticoagulants and antiplatelet agents account for more than 40% of FADE cases and the most frequent reactions are haemorrhages (37.5%). The 25% of the FADEs were preventable. This study confirms that FADEs are still a relevant clinical occurrence, and are often caused by widely used old drugs associated with adverse events. The death of one in four patients was preventable. Further efforts should be done to improve the appropriateness of the therapy, especially in older patients who are treated with anticoagulants.
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Wöhrl S, Ostermayer C, Sesztak-Greinecker G, Jarisch R, Hemmer W, Wantke F. Drug-specific history, skin and in vitro tests can reduce the need for drug provocation tests in betalactam-hypersensitivity. Allergol Int 2021; 70:244-251. [PMID: 33191122 DOI: 10.1016/j.alit.2020.09.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2020] [Revised: 09/17/2020] [Accepted: 09/24/2020] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Many patients report questionable drug hypersensitivity reactions (DHR) to betalactam antibiotics. A workup is required for objectivation. Direct drug provocation tests (DPTs) omitting a prior allergy workup are increasingly recommended as the primary diagnostic approach. However, apart from the risk of severe side effects, DPTs often are a scarce resource in overloaded healthcare-systems. We investigated how many cases can be solved by drug-specific history, drug-specific IgE, and skin tests obviating the need for DPT. METHODS We conducted a chart review in a retrospective cohort of 932 patients in an allergy outpatient centre from 2016 to 2017. Patients had been submitted to drug-specific history and specific IgE-, skin prick-, intradermal- and patch-tests with early and late readings with a series of penicillins and cephalosporins but DPTs were no option. RESULTS Overall, positive in vitro and/or skin tests were found in 96/932 (10.3%) patients. Drug-specific IgE was detected in 40/932 (4.3%) patients, 61/787 (7.8%) patients had positive skin tests. In vitro tests to Pencillin V showed the highest rate of positivity 24/479 (5.0%) and early readings of ampicillin the highest amongst the skin tests (3/49, 6.1%). Immediate skin tests were more often positive than delayed ones (75:45). The combination of all parameters including drug-specific history solved 346/932 (37.1%) cases while 586/932 (62.9%) remained unresolved. Self-reported DHR could be less often confirmed in females and young children (p < 0.05). CONCLUSIONS Testing with betalactams applying simple, cheap, and safe skin and blood tests can solve a third of DHR-cases on a high throughput scale.
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Seo YG. Side Effects Associated with Liraglutide Treatment for Obesity as Well as Diabetes. J Obes Metab Syndr 2021; 30:12-19. [PMID: 33071241 PMCID: PMC8017323 DOI: 10.7570/jomes20059] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Revised: 06/25/2020] [Accepted: 08/02/2020] [Indexed: 02/06/2023] Open
Abstract
Liraglutide is a glucagon-like peptide-1 receptor agonist used as a treatment for type 2 diabetes mellitus, which has been expanded for use at a higher dose in weight control. Therefore, it is necessary to consider adverse reactions of the drug at high doses as well as at lower doses after the indication has been expanded. Body mass index criteria for patients prescribed the drug in the real world tend to be applied less rigorously, which may increase the number of adverse reactions due to over-prescription. Liraglutide treatment was found effective and safe in some studies, while others have warned about its risks. Therefore, this review summarizes the current data available on side effects associated with liraglutide.
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Beck KR, Odermatt A. Antifungal therapy with azoles and the syndrome of acquired mineralocorticoid excess. Mol Cell Endocrinol 2021; 524:111168. [PMID: 33484741 DOI: 10.1016/j.mce.2021.111168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2020] [Revised: 12/31/2020] [Accepted: 01/06/2021] [Indexed: 10/22/2022]
Abstract
The syndromes of mineralocorticoid excess describe a heterogeneous group of clinical manifestations leading to endocrine hypertension, typically either through direct activation of mineralocorticoid receptors or indirectly by impaired pre-receptor enzymatic regulation or through disturbed renal sodium homeostasis. The phenotypes of these disorders can be caused by inherited gene variants and somatic mutations or may be acquired upon exposures to exogenous substances. Regarding the latter, the symptoms of an acquired mineralocorticoid excess have been reported during treatment with azole antifungal drugs. The current review describes the occurrence of mineralocorticoid excess particularly during the therapy with posaconazole and itraconazole, addresses the underlying mechanisms as well as inter- and intra-individual differences, and proposes a therapeutic drug monitoring strategy for these two azole antifungals. Moreover, other therapeutically used azole antifungals and ongoing efforts to avoid adverse mineralocorticoid effects of azole compounds are shortly discussed.
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Wang H, Masselos K, Kalloniatis M, Phu J. Headaches related to latanoprost in open-angle glaucoma. Clin Exp Optom 2021; 104:625-633. [PMID: 33689660 DOI: 10.1080/08164622.2021.1878846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
Abstract
Clinical relevance: The existing notion that topical latanoprost can lead to symptoms of headaches by reporting three cases of headache symptoms that developed following instillation of latanoprost prescribed as first-line therapy for newly diagnosed primary open-angle glaucoma (POAG) is explored in this case series.Background: Prostaglandin analogues (PGAs) are often used as first-line treatment in the treatment of POAG. An uncommon and infrequently reported side effect of PGAs is headaches.Methods: A retrospective review of patient records was conducted on patients seen at the Centre for Eye Health between April 2016 and August 2017. Clinical findings, including outcomes following interventions such a punctal occlusion, as well as the proposed pharmacological mechanism underlying this phenomenon are presented and discussed.Results: Case 1 is a 62-year-old Caucasian male diagnosed with POAG and prescribed latanoprost in both eyes. At the follow-up visit, he reported waking up in with a dull throbbing headache following instillation of the eye drops the night before. Case 2 is a 58-year-old Asian male with POAG prescribed latanoprost to both eyes. Within a week, he developed symptoms of recurrent progressively worsening headaches post-instillation which persisted into the morning. Case 3 is a 75-year-old Caucasian male with POAG prescribed latanoprost for both eyes. He developed latanoprost sensitivity as well as headache symptoms associated with the eye drops which resolved followed its cessation. All patients reported initial symptoms of headaches associated with latanoprost use however the headaches were not persistent with intermittent punctal occlusion (cases 1 and 2) or intra-class drug rechallenge (case 3).Conclusion: Although there may be a yet-undiscovered link between a headache response and latanoprost, these cases call to question the pharmacological relationship between latanoprost and headache symptoms. A systemic approach to critically examine the pathophysiological link between pharmacological therapy and potential adverse effects is proposed.
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Araujo AGS, Lucchetta RC, Tonin FS, Pontarolo R, Borba HHL, Wiens A. Analysis of completeness for spontaneous reporting of disease-modifying therapies in multiple sclerosis. Expert Opin Drug Saf 2021; 20:735-740. [PMID: 33641547 DOI: 10.1080/14740338.2021.1897566] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Introduction: Considering the need for effective postmarketing surveillance of disease-modifying therapies (DMTs) in multiple sclerosis (MS), we analyzed the potential of the spontaneous reports for safety signal detection, verifying the completeness of the reports in the FDA Adverse Event Reporting System (FAERS).Methods: All reports with DMTs for MS considered the primary suspect cause of ADRs and registered between January 2004 and June 2019 were selected. The vigiGrade completeness score was applied and reports with a score greater than 0.80 were considered well documented. Descriptive statistical analysis and comparisons of well-documented reports by DMTs were performed.Results: A total of 297,926 reports were analyzed. The lowest completeness rates were observed for type of report (13.5%), dose (62.7%), and time from treatment start to the ADR (79.0%). Overall, 80.8% of reports were classified as well documented and those related to natalizumab had the highest proportion (92.4%, p < 0.001), while the lowest was observed for reports sent in 2017 (53.1%, p < 0.001) and for teriflunomide (48.5%, p < 0.001).Conclusions: The high proportion of well-documented reports for DMTs indicates that they can be a valuable source for safety signal detection. A more careful analysis should be performed for data from the groups identified with low completeness to avoid the disclosure of spurious results.
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Zulzaga Z, Myagmarsuren E, Woerdenbag HJ, van Puijenbroek EP. Legislation and current developments in adverse drug reaction reporting in Mongolia: how far are we? J Pharm Policy Pract 2021; 14:15. [PMID: 33678195 PMCID: PMC7938544 DOI: 10.1186/s40545-021-00298-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Accepted: 01/12/2021] [Indexed: 11/15/2022] Open
Abstract
Monitoring adverse drug reactions is a vital issue to ensure drug safety and to protect the general public from medication-related harmful effects. In order to properly monitor drug safety, a regulatory system needs to be in place as well as an infrastructure that allows for analyzing national and international safety data. In Mongolia, adverse drug reaction (ADR) reporting activities have been implemented in the past decade. During this period, the basic structure and legal basis of an adverse drug reaction monitoring system was established. Because of the fragmented but growing healthcare system and the complexity of pharmaceutical issues in Mongolia, a sustainable process for the development of the adverse drug reaction reporting system is a key issue. The aim of this article is to disclose the Mongolian situation for the rest of the world and to share experiences on how an ADR reporting system can be developed towards a higher and more advanced level to contribute to both national and international drug safety issues. In this article, we review the features of the Mongolian health care and pharmaceutical systems, as well as the current development of the adverse drug reaction reporting system.
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Audicana A, Ortega N, Lobera T, Blanca N, De la Parte B, García I, Gelis S, Martín J, Barranco R, Vila C, Laguna JJ. Spanish Society vision of Drug challenge tests. J Investig Allergol Clin Immunol 2021; 31:385-403. [PMID: 33653682 DOI: 10.18176/jiaci.0681] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The controlled drug exposure test (DPT) is currently considered the gold standard for the diagnosis of drug allergy. Drug-induced adverse reactions (ADRs) are a growing reason for consultation in both primary and specialized care. Allergology consultations in Spain are the ones that usually study these ADRs and rule out immunological mechanisms involved in up to 90% of the cases consulted. An adequate approach to these cases has an obvious impact on the costs and efficacy of the treatments required by other specialists, so that if we did not use DPTs, patients would require more expensive, more toxic and less effective treatments in most of the cases. In recent years, a large number of new drugs have been developed and this document is intended to be a practical guide in the management of PDT with the vision of the Spanish Allergology Society. Diagnostic work begins with a detailed history of the patient. Skin tests are only useful for some medications, and in most cases the diagnosis can only be confirmed by DPT. Although there is usually cross-reactivity, DPTs can confirm the diagnosis and also help to find a tolerable alternative drug. The individual management of patients in a programmed way, taking into account both the type of drug to be studied and the patient´s comorbidities, usually allows a solution to be found for the majority of patients.
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Mouton JP, Jobanputra N, Njuguna C, Gunter H, Stewart A, Mehta U, Lahri S, Court R, Igumbor E, Maartens G, Cohen K. Adult medical emergency unit presentations due to adverse drug reactions in a setting of high HIV prevalence. Afr J Emerg Med 2021; 11:46-52. [PMID: 33437593 PMCID: PMC7787921 DOI: 10.1016/j.afjem.2020.10.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 09/22/2020] [Accepted: 10/19/2020] [Indexed: 01/21/2023] Open
Abstract
INTRODUCTION South Africa has the world's largest antiretroviral treatment programme, which may contribute to the adverse drug reaction (ADR) burden. We aimed to determine the proportion of adult non-trauma emergency unit (EU) presentations attributable to ADRs and to characterise ADR-related EU presentations, stratified according to HIV status, to determine the contribution of drugs used in management of HIV and its complications to ADR-related EU presentations, and identify factors associated with ADR-related EU presentation. METHODS We conducted a retrospective folder review on a random 1.7% sample of presentations over a 12-month period in 2014/2015 to the EUs of two hospitals in Cape Town, South Africa. We identified potential ADRs with the help of a trigger tool. A multidisciplinary panel assessed potential ADRs for causality, severity, and preventability. RESULTS We included 1010 EU presentations and assessed 80/1010 (7.9%) as ADR-related, including 20/239 (8.4%) presentations among HIV-positive attendees. Among HIV-positive EU attendees with ADRs 17/20 (85%) were admitted, versus 22/60 (37%) of HIV-negative/unknown EU attendees. Only 5/21 (24%) ADRs in HIV-positive EU attendees were preventable, versus 24/63 (38%) in HIV-negative/unknown EU attendees. On multivariate analysis, only increasing drug count was associated with ADR-related EU presentation (adjusted odds ratio 1.10 per additional drug, 95% confidence interval 1.03 to 1.18), adjusted for age, sex, HIV status, comorbidity, and hospital. CONCLUSIONS ADRs caused a significant proportion of EU presentations, similar to findings from other resource-limited settings. The spectrum of ADR manifestations in our EUs reflects South Africa's colliding epidemics of infectious and non-communicable diseases. ADRs among HIV-positive EU attendees were more severe and less likely to be preventable.
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Osei JY, Nortey PA, Bandoh DA, Kenu E, Addo-Lartey AA. Adverse drug reaction reporting by community pharmacists in the Greater Accra Region of Ghana, 2016. Ghana Med J 2021; 55:9-17. [PMID: 38322393 PMCID: PMC10665269 DOI: 10.4314/gmj.v55i1.3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2024] Open
Abstract
Objectives To assess adverse drug reactions (ADRs) reporting and identify factors to improve ADR reporting among community pharmacists in the Greater Accra Region of Ghana. Design A quantitative cross-sectional study. Setting Community pharmacies in the Greater Accra Region of Ghana. Participants We randomly selected 210 pharmacists from a list community of pharmacies in Accra, Ghana. All participants had been practicing in the past one year, with this study being conducted from June to July 2016. Main outcome measure Prevalence of ADR reporting by community pharmacists in Accra, Ghana. Results Of the 210 community pharmacists interviewed 54.0% were males. Mean age was 32±10 years. Majority (96.0%) had heard of ADR reporting in Ghana, yet 18% had never seen the ADR reporting form. Reasons given for failure to report suspected ADRs included unavailability of reporting forms (83.1%), uncertainty about a causal relationship between the drug and the suspected ADR and classification of the reaction as "normal" with the medication being taken (23.6%). Only 34.0% of pharmacists had the ADR reporting forms available in their facilities. Marital status was the only factor significantly associated with ADR reporting (OR 3.18, 95%CI 1.02 - 9.12). Conclusion ADR reporting by community pharmacists in Ghana remains low. To improve the proportion of reporting, ADR forms should be made available in all pharmacies, pharmacists and the general public should be made aware of online reporting systems, with continuous professional development in Pharmacovigilance with the advice that all suspected ADRs should be reported irrespective of uncertainty about causality. Funding None declared.
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Hernández-Morales MR, Mancilla-Hernández E. [The efficacy and safety of two schemes of desensitization to trimethoprim-sulfamethoxazole in HIV-positive patients]. ACTA ACUST UNITED AC 2021; 67:237-244. [PMID: 33636066 DOI: 10.29262/ram.v67i3.745] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
BACKGROUND Trimethoprim with sulfamethoxazole (TMP-SMX) is the drug of choice for the prophylaxis of AIDS-associated comorbidities. OBJECTIVE To compare the efficacy and safety of two schemes of desensitization to TMP-SMX in HIV-positive patients. METHODS A study was conducted from March 2018 to October 2019; it included HIV-positive patients who presented an adverse skin reaction to TMP-SMX; fifteen of them received desensitization scheme 1, which lasted ten days, and five patients received scheme 2, which lasted six hours. RESULTS The average age of the patients who received scheme 1 was of 27.4 ± 5.7 years, while the average age of patients who received scheme 2 was of 33.6 ± 8 years. At baseline, the demographic, clinical, and immunological variables did not show significant differences between both groups (p> 0.05). In both groups, an efficacy of 100% was obtained and, in terms of safety, only three patients in group 1 presented rash and pruritus, however, the procedure was not suspended; the previous tolerated dose was resumed and, subsequently, the desensitization procedure continued. CONCLUSIONS Both schemes of desensitization to TMP-SMX showed efficacy and safety in HIV-positive patients, who frequently present adverse reactions to these medications.
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Gras M, Gras-Champel V, Moragny J, Delaunay P, Laugier D, Masmoudi K, Liabeuf S. Impact of the COVID-19 outbreak on the reporting of adverse drug reactions associated with self-medication. ANNALES PHARMACEUTIQUES FRANÇAISES 2021; 79:522-529. [PMID: 33631179 PMCID: PMC7899020 DOI: 10.1016/j.pharma.2021.02.003] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 02/09/2021] [Accepted: 02/16/2021] [Indexed: 11/21/2022]
Abstract
Objectives The primary objective of the present study was to describe the characteristics of adverse drug reactions (ADRs) linked to self-medication that were notified to the French Pharmacovigilance Database (FPVD) during the COVID-19 outbreak in 2020 first wave. The secondary objective was to compare the characteristics of these ADRs in 2020 with those notified during the same calendar period a year previously. Material and methods We analyzed ADRs recorded in the FPVD between March 15th and May 31st, 2020 vs. the same dates in 2019. Only ADRs linked to self-medication were analyzed. Descriptive statistics were used to obtain an overview of the types and characteristics of these ADRs. Results Of 3114 ADRs notified to the FPVD during the COVID-19 period in 2020, 114 (3.7%) were linked to self-medication. The equivalent proportion in 2019 was 1.6% (113 out of 7097). Half of the ADRs notified in 2020 were “serious”. The median age of affected patients was 30.5, and 22% of the ADRs concerned children. Of the 114 ADRs linked to self-medication, 107 (66%) were for prescription-only drugs. The three mostly frequently suspected ATC classes were analgesics, psycholeptics, and antibacterials for systemic use. The most frequent ADRs were general disorders, gastrointestinal disorders, and nervous system disorders. The main difference between the non-COVID-19 period and the COVID-19 period was the higher proportion of medication errors during the latter. Conclusion The present study is the first to have reported on ADRs linked to self-medication and notified during a COVID-19 outbreak. Further studies of self-medication patterns and their consequences in a pandemic context are mandatory and effective information on medication use (including self-medication and its dangers) during a pandemic is essential.
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Ball AL, Bloch KM, Rainbow L, Liu X, Kenny J, Lyon JJ, Gregory R, Alfirevic A, Chadwick AE. Assessment of the impact of mitochondrial genotype upon drug-induced mitochondrial dysfunction in platelets derived from healthy volunteers. Arch Toxicol 2021; 95:1335-1347. [PMID: 33585966 PMCID: PMC8032628 DOI: 10.1007/s00204-021-02988-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Accepted: 01/21/2021] [Indexed: 12/02/2022]
Abstract
Mitochondrial DNA (mtDNA) is highly polymorphic and encodes 13 proteins which are critical to the production of ATP via oxidative phosphorylation. As mtDNA is maternally inherited and undergoes negligible recombination, acquired mutations have subdivided the human population into several discrete haplogroups. Mitochondrial haplogroup has been found to significantly alter mitochondrial function and impact susceptibility to adverse drug reactions. Despite these findings, there are currently limited models to assess the effect of mtDNA variation upon susceptibility to adverse drug reactions. Platelets offer a potential personalised model of this variation, as their anucleate nature offers a source of mtDNA without interference from the nuclear genome. This study, therefore, aimed to determine the effect of mtDNA variation upon mitochondrial function and drug-induced mitochondrial dysfunction in a platelet model. The mtDNA haplogroup of 383 healthy volunteers was determined using next-generation mtDNA sequencing (Illumina MiSeq). Subsequently, 30 of these volunteers from mitochondrial haplogroups H, J, T and U were recalled to donate fresh, whole blood from which platelets were isolated. Platelet mitochondrial function was tested at basal state and upon treatment with compounds associated with both mitochondrial dysfunction and adverse drug reactions, flutamide, 2-hydroxyflutamide and tolcapone (10–250 μM) using extracellular flux analysis. This study has demonstrated that freshly-isolated platelets are a practical, primary cell model, which is amenable to the study of drug-induced mitochondrial dysfunction. Specifically, platelets from donors of haplogroup J have been found to have increased susceptibility to the inhibition of complex I-driven respiration by 2-hydroxyflutamide. At a time when individual susceptibility to adverse drug reactions is not fully understood, this study provides evidence that inter-individual variation in mitochondrial genotype could be a factor in determining sensitivity to mitochondrial toxicants associated with costly adverse drug reactions.
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Otani T, Yamaguchi K, Sakamoto S, Horimasu Y, Masuda T, Miyamoto S, Nakashima T, Iwamoto H, Hirata S, Fujitaka K, Hamada H, Sugiyama E, Hattori N. Risk factors associated with increased discontinuation rate of trimethoprim-sulfamethoxazole used as a primary prophylaxis for Pneumocystis pneumonia: A retrospective cohort study. Pulm Pharmacol Ther 2021; 67:101999. [PMID: 33571651 DOI: 10.1016/j.pupt.2021.101999] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Revised: 01/08/2021] [Accepted: 02/04/2021] [Indexed: 10/22/2022]
Abstract
BACKGROUND The use of trimethoprim-sulfamethoxazole (TMP-SMX) for Pneumocystis pneumonia (PcP) prophylaxis is often discontinued owing to adverse drug reactions. Half-dosage of TMP-SMX (40/200 mg daily) is considered more tolerable than the conventional dosage (80/400 mg daily). However, patient background characteristics that are associated with the discontinuation of TMP-SMX prophylaxis and suitable for reduced dosage remain unclear. In this study, we aimed to identify the risk factors for the discontinuation of and efficacy of different doses of TMP-SMX prophylaxis in patients with creatinine clearance higher than 30 mL/min. METHODS We retrospectively evaluated 318 immunocompromised non-human immunodeficiency virus (HIV)-infected patients (194 men and 124 women; median age, 68.5 [interquartile range, 59-75] years) who underwent TMP-SMX therapy as a primary PcP prophylaxis between July 2014 and August 2019. The patients were segregated into two groups on the basis of dosage: single-strength (SS; n = 244) and half-strength (HS; n = 74) groups. We evaluated PcP occurrence, TMP-SMX discontinuation rate, and discontinuation-related risk factors in these groups. RESULTS PcP did not occur in either group. The univariate and multivariate Cox proportional hazards models revealed that the SS dosage and renal function (e.g. serum creatinine and creatinine clearance) were independently associated with prophylaxis discontinuation. At 24 weeks, the HS group presented significantly lower discontinuation rates than the SS group (P = 0.019, log-rank test). In the SS group, patients with mild renal impairment (e.g. serum creatinine ≥0.78 mg/dL or creatinine clearance ≤64.26 mL/min) presented significantly higher TMP-SMX discontinuation rates than those without such an impairment (P < 0.05, log-rank test with Bonferroni correction). This difference was not significant in the HS group. CONCLUSION Mild renal impairment might increase the risk of discontinuation of conventional TMP-SMX prophylaxis. In patients with a mild renal impairment, the HS dosage may improve tolerability while maintaining prophylactic efficacy.
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Suter C, Leemann H, Twerenbold R. "Ciprofloxacin-induced" bilateral quadriceps tendon rupture: A case report and conclusions of the recent literature. Trauma Case Rep 2021; 32:100423. [PMID: 33665316 PMCID: PMC7905044 DOI: 10.1016/j.tcr.2021.100423] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/06/2021] [Indexed: 12/16/2022] Open
Abstract
The potential risk of fluoroquinolones on the musculoskeletal tissue, and tendinous structures in particular, has been known since its introduction in the 1980s. Following reports of serious and persistent side effects in their national registry, the German medicines authority (BfArM) has requested the European Medicines Agency (EMA) to conclude a safety review focusing on long-lasting effects mainly affecting the musculoskeletal and nervous systems. This review, published in early 2019, led to restriction of the usage of fluoroquinolones due to the risk of disabling and potentially long-term side effects. Furthermore, there have been a number of meta-analyses published in the recent years, which brought more clarity to the extent of fluoroquinolones' possible side effects. With this case report followed by an overview of the latest evidence, we would like to highlight these latest efforts in the quest to prescribe fluoroquinolones cautiously and sensitize physicians to this topic.
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268
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Velasco-González V, Loya-Pérez L, Navarro-García E, Sainz-Gil M. Reporting of suspected adverse drug reactions by nursing in Spain. An observational-descriptive retrospective study. ENFERMERIA CLINICA 2021; 31:S1130-8621(20)30534-9. [PMID: 33531221 DOI: 10.1016/j.enfcli.2020.10.033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 09/22/2020] [Accepted: 10/25/2020] [Indexed: 10/22/2022]
Abstract
OBJECTIVE This study aimed to gain knowledge of the nurses' involvement in the spontaneous report of suspected adverse drug reactions (ADR) in the Spanish Pharmacovigilance System for Medicinal Products for Human Use (SEFV-H), describing the principal characteristics of the reported cases, identifying points of improvement. METHODS A descriptive observational retrospective study was based on the data from FEDRA, the database created by the SEFV-H. The sample taken was the spontaneous adverse drug reactions reported to SEFV-H by nurses during the first 6 months of the 2018. RESULTS Complete data was provided by 6,370 suspicions of ADR reported to SEFV-H by all healthcare professionals. Only 4,8% of the samples were taken by nurses, 62,7% came from medical centers. The majority of the ADR were not considered a serious disease (78%). The most frequently adverse drug reactions reported by nurses were local reactions. The patients most involved were children and vaccines were the most reported drugs (58,3%), followed by the intravenous contrast agents used in diagnostic tests. CONCLUSIONS Nurses report very few cases to SEFV-H and are mostly related to the administration of vaccines and are sent by nurses working in the out-of-hospital setting. Most cases are not serious and usually report known adverse reactions to the suspected drug. This observed under-notification raises the need to promote increased pharmacovigilance training among these notifying nurses so that they can continue to report, and also for those who do not do so in their daily practice, so that they can begin to do so.
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Khouri C, Petit C, Tod M, Lepelley M, Revol B, Roustit M, Cracowski JL. Adverse drug reaction risks obtained from meta-analyses and pharmacovigilance disproportionality analyses are correlated in most cases. J Clin Epidemiol 2021; 134:14-21. [PMID: 33508405 DOI: 10.1016/j.jclinepi.2021.01.015] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 01/08/2021] [Accepted: 01/21/2021] [Indexed: 01/08/2023]
Abstract
OBJECTIVE We aimed at testing if a correlation between adverse drug reactions relative risks estimated from meta-analyses and disproportionality analyses calculated from pharmacovigilance spontaneous reporting systems databases exist, and if methodological choices modify this correlation. STUDY DESIGN We extracted adverse drug reactions (ADR) odds ratios (ORs) from meta-analyses used as reference and calculated corresponding Reporting Odds Ratios (RORs) from the WHO pharmacovigilance database according to five different designs. We also calculated the relative bias and agreement of ROR compared to ORs. RESULTS We selected five meta-analyses which displayed a panel of 13 ADRs. A significant correlation for 7 out of the 13 ADRs studied in the primary analysis was found. The methods for ROR calculation impacted the results but none systematically improved the correlations. Whereas correlation was found between OR and ROR, agreement was poor and relative bias was important. CONCLUSION Despite the large variation in disproportionality analyses results due to design specification, this study provides further evidence that relative risks obtained from meta-analyses and from disproportionality analyses correlate in most cases, in particular for objective ADR not associated with the underlying pathology.
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Greca RD, Cunha-Silva M, Costa LBE, Costa JGF, Mazo DFC, Sevá-Pereira T, Nascimento MMC, Pereira IE, Oliveira FC, Faria GAS, Neto FLP, Almeida JRS. Vanishing bile duct syndrome related to DILI and Hodgkin lymphoma overlap: A rare and severe case. Ann Hepatol 2021; 19:107-112. [PMID: 31537508 DOI: 10.1016/j.aohep.2019.06.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Revised: 06/03/2019] [Accepted: 06/10/2019] [Indexed: 02/04/2023]
Abstract
Vanishing bile duct syndrome is a rare acquired condition, characterized by progressive loss of intrahepatic bile ducts leading to ductopenia and cholestasis. It can be associated with infections, ischemia, drug adverse reactions, neoplasms, autoimmune disease, and allograft rejection. Prognosis is variable and depends on the etiology of bile duct injury. We report the case of a 25-year-old female with cholestatic hepatitis and concomitant intakes of hepatotoxic substances, such as garcinia, field horsetail, and ketoprofen. On suspicion of a drug-induced liver injury, the drugs were promptly withdrawn and ursodeoxycholic acid was started with initial clinical and laboratory improvement, and the patient was discharged from the hospital. One month later, she had a new increase in bilirubin levels and canalicular enzymes, requiring a liver biopsy that showed significant loss of intrahepatic bile ducts, which was compatible with vanishing bile duct syndrome. This was confirmed by using cytokeratin 19 on immunohistochemistry. There was subsequent lymph node enlargement in several chains, and relevant weight loss. Histological analysis of a cervical lymph node revealed nodular sclerosis-subtype classic Hodgkin lymphoma. In this setting, vanishing bile duct syndrome was related to Hodgkin lymphoma and a drug-induced liver injury overlap, leading to progressive cholestasis with a worse prognosis. The patient's response to chemotherapy was poor, requiring biological therapy with brentuximab vedotin. It is crucial for physicians to create a broad differential diagnosis in suspected vanishing bile duct syndrome patients, especially to rule out malignancies.
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Saito K. Application of comprehensive lipidomics to biomarker research on adverse drug reactions. Drug Metab Pharmacokinet 2021; 37:100377. [PMID: 33454388 DOI: 10.1016/j.dmpk.2020.100377] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 11/24/2020] [Accepted: 12/09/2020] [Indexed: 02/06/2023]
Abstract
Lipidomics is a relatively new field of omics that focuses on lipids, one of the major categories of metabolites. Owing to their various functions, lipids are considered suitable targets for biomarker development; in addition, lipidomics analysis of adverse drug reactions (ADRs) has been conducted recently. In this review, I have summarized information on comprehensive lipidomics, which involves the analysis of global lipids in a non-targeted manner. Mass spectrometry-based platforms are currently the dominant lipidomics platform owing to their versatile features. I have also summarized the application of lipidomics in biomarker research on ADRs caused by therapeutic drugs in humans and rodents. Additionally, general concerns in and emerging approaches of lipidomics research on ADR have been highlighted. Although biomarkers identified using the lipidomics analysis of ADRs have not been qualified, reported candidates will be evaluated for clinical application. In addition, novel biomarker candidates will be developed via classical and new approaches exemplified in this review.
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272
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Hefner G, Hahn M, Hiemke C, Toto S, Wolff J, Roll SC, Klimke A. Pharmacodynamic Drug-Drug interactions of QT-prolonging drugs in hospitalized psychiatric patients. J Neural Transm (Vienna) 2021; 128:243-252. [PMID: 33417009 DOI: 10.1007/s00702-020-02291-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Accepted: 12/14/2020] [Indexed: 12/30/2022]
Abstract
At least 170 approved drugs are linked to QT prolongation, which can lead to serious adverse drug reactions (ADRs), such as Torsade de Pointes (TdP). The aim of this study was to analyze the prevalence and type of pharmacodynamic drug-drug interactions (DDIs) between QT-prolonging drugs in psychiatry. The present retrospective analysis used data from a large pharmacovigilance study, conducted in 10 psychiatric hospitals in Germany. Patients medication lists were screened for QT-prolonging drugs, classified according to the Arizona Center for Education and Research on Therapeutics (AZCERT). In total, 27,396 patient cases (46% female) with a mean (± standard deviation) age of 47 ± 18 years were included in the study. Altogether, 83% of the cases received at least one and up to eight QT-prolonging drugs at the same time. Combination of drugs with a known or possible risk for TdP (according to the AZCERT) was detected in 13,670 cases (50%). Most frequently prescribed psychotropic high-risk drugs (n = 48,995) were the antipsychotics pipamperone (n = 6202), quetiapine (n = 5718), prothipendyl (n = 4298), and risperidone (n = 4265). The replacement of high-risk drugs such as tricyclic antidepressants, levomepromazine, melperone, and promethazine with more tolerable drugs could avoid 11% of QT-prolonging drugs and increase the tolerability of psychopharmacological treatment. More than 80% of psychiatric patients receive at least one QT-prolonging drug during their hospital stay, and almost 50% of these drugs are combined in clinical practice. For the prevention of cardiac ADRs, the physician should evaluate the risk for QT prolongation for each drug and patient-specific risk factors before prescribing these drugs or drug combinations.
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Selvy M, Pereira B, Kerckhove N, Busserolles J, Farsi F, Guastella V, Merle P, Pezet D, Balayssac D. Prevention, diagnosis and management of chemotherapy-induced peripheral neuropathy: a cross-sectional study of French oncologists' professional practices. Support Care Cancer 2021; 29:4033-4043. [PMID: 33403401 DOI: 10.1007/s00520-020-05928-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Accepted: 12/02/2020] [Indexed: 02/06/2023]
Abstract
PURPOSE Chemotherapy-induced peripheral neuropathy (CIPN) is challenging for oncologists. Many publications mention the high incidence of CIPN and the lack of effective preventive/management strategies and robust diagnostic tools. This cross-sectional study was aimed at assessing the practice of French oncologists for CIPN prevention, diagnosis and management. METHODS This web-based survey was sent to French oncologists by the regional cancer networks. Incidence and impact of CIPN were assessed using visual analogue scales (VAS) and diagnostic strategies were recorded. Also recorded were the drugs used to prevent or manage CIPN and their perceived efficacy and safety (VAS). RESULTS Among the 210 oncologists included, the perceived incidence of CIPN was about 36.2 ± 22.1% of patients. About 99.5% of oncologists declared that they assess CIPN during medical follow-up. The use of drugs to prevent CIPN was reported by 9.6% of oncologists (group B vitamins (35.0%) and calcium and magnesium infusion (25.0%)). In the case of CIPN, the therapeutic adjustment of neurotoxic anticancer drugs is performed by 99.0% of oncologists (chemotherapy change (49.8%), dose reduction (30.9%) or interruption (19.3%)). The pharmacological management of CIPN was declared by 72.9% of oncologists. The main drugs used are pregabalin (75.8%), amitriptyline (32.7%) and gabapentin (25.5%). Duloxetine (ASCO recommendation) is used by only 11.8% of oncologists. CONCLUSION Oncologists were clearly aware of CIPN risks, but its incidence tended to be underestimated and the ASCO recommendations for the management of CIPN were not followed. The prevention, diagnosis and management of CIPN remain problematic in clinical practice in France. TRIAL REGISTRATION ClinicalTrials.gov : NCT03854864.
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Hussain R, Hassali MA, Hashmi F, Akram T. Exploring healthcare professionals' knowledge, attitude, and practices towards pharmacovigilance: a cross-sectional survey. J Pharm Policy Pract 2021; 14:5. [PMID: 33397478 PMCID: PMC7784002 DOI: 10.1186/s40545-020-00287-3] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/23/2020] [Indexed: 11/30/2022] Open
Abstract
Background Spontaneous reporting of adverse drug reactions (ADRs) is a method of monitoring the safety of drugs and is the basic strategy for the post-marketing surveillance of the suspected drugs. Despite its importance, there is very little reporting of ADRs by healthcare professionals. The present study has evaluated the knowledge, attitude and practices of health care professionals (HCPs) regarding pharmacovigilance activities in Lahore, Pakistan. Methods A cross-sectional questionnaire-based survey was employed, and a convenience sampling was opted to collect the data among physicians, pharmacists and nurses working in tertiary care public hospitals of Lahore, Pakistan from September 2018 to January 2019. Results Of the 384 questionnaires distributed, 346 health care professionals responded to the questionnaire (90.10% response rate). Most participants had good knowledge about ADR reporting, but pharmacist had comparatively better knowledge than other HCPs regarding ADR (89.18%) pharmacovigilance system (81.08%), its centres (72.97%) and function (91.89%). Most of the participants exhibited positive attitude regarding ADR reporting, such as 49.1% of physicians (P < 0.05), 70.2% pharmacists and 76.1% nurses showed a positive attitude that they are the most important HCPs to report an ADR. About 64.3% of physicians (P < 0.05) emphasized that consulting other colleagues is important before reporting an ADR. Of all, 77.7% physicians, 75.7% pharmacists and 68% of nurses had positive attitude that ADR reporting is a professional obligation and 67.6% of the pharmacists stated that they have reported ADRs in their workplace and 77.2% nurses have verbally reported ADRs to the concerned personnel or department. Conclusion Among all HCPs, pharmacists had better knowledge about ADR reporting and pharmacovigilance. All HCPs had positive attitude and inclination towards ADR reporting. The discrepancies were observed in the practices related to ADR reporting, whereas most of the participants including physicians and nurses did not report any ADR. Based on the above, strategies are needed to educate, train, and empower the HCPs in the domain of pharmacovigilance.
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Nguyen PVQ, Bouin M, Ste-Marie LG. Upper gastrointestinal safety of oral bisphosphonate in hospitalized patients. Osteoporos Int 2021; 32:193-197. [PMID: 32666144 DOI: 10.1007/s00198-020-05498-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Accepted: 06/08/2020] [Indexed: 12/15/2022]
Abstract
UNLABELLED Oral bisphosphonates are effective medications for the prevention of fractures in people suffering from osteoporosis. They are associated with gastrointestinal adverse reactions the most severe being an esophageal ulcer. It is unclear if oral bisphosphonates have a similar gastrointestinal safety profile in the hospital setting as in the community setting because hospitalized patients are often bedridden which may hinder proper drug administration. INTRODUCTION To evaluate the incidence of upper gastrointestinal symptoms in hospitalized patients taking oral bisphosphonate. METHODS This single-center prospective cohort study included hospitalized adult patients actively taking risedronate or alendronate. Upper gastrointestinal symptoms were actively assessed at the baseline and 1 to 5 h following the administration of the oral bisphosphonate. RESULTS A total of 298 patients were included in the study. The mean age was 64 ± 15 years. During the follow-up period, gastric and esophageal symptoms affected 32 patients (10.7%). Epigastric burning, dysphagia, and regurgitation were reported in 4.4% (n = 13), 3% (n = 9), 2.7 (n = 8), and 2.3% (n = 7) patients, respectively. Heartburn, retro-sternal pain, and odynophagia were observed in 1.7% (n = 5), 1.7% (n = 5), and 0.3% (n = 1) patients. CONCLUSION The incidence of adverse reaction was similar to that reported in community trials. The administration of oral bisphosphonate in hospitalized patients does not represent an additional risk for upper gastrointestinal adverse events. Treatment should be optimized during the hospital stay to improve the pharmacological management of osteoporosis.
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