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1.
Perspect Clin Res ; 15(2): 66-72, 2024.
Article En | MEDLINE | ID: mdl-38765552

Aim: Studies show the presence of a mismatch between drug research and disease burden. A study conducted in the European Union found that new drug development was restricted to certain diseases. A study of biosimilar approvals in India found that 87% of drugs were for treating noncommunicable diseases. This study aimed to determine the new drugs approved in India from 2017 to 2021 and the top ten causes of morbidity and mortality and detect the presence of any discordance between these. Methods: A descriptive study was conducted using data on new drug approvals accessed from the Central Drugs Standard Control Organization website. The top ten causes of mortality and morbidity in India from 2015 to 2019 were identified from the Global Burden of Diseases database. Descriptive statistics were used to compare the drug approvals and the leading diseases. Results: One hundred twenty-six drugs were approved during the study period. Antineoplastic drugs constituted 19.84% of the approvals, antimicrobials 18.25%, and cardiovascular drugs 9.52%. Ischemic heart disease and chronic obstructive pulmonary disease were the two leading causes of morbidity and mortality. Diarrheal diseases, lower respiratory tract infection, and drug-susceptible tuberculosis were among the top ten causes. Ten antibacterials, including four antitubercular drugs, were approved during this period. Two drugs were approved for rare diseases. Conclusion: Our study showed that the drugs approved were largely in line with the prevalent disease burden, and there was no significant discordance observed. Some diseases, such as ischemic stroke/intracranial hemorrhage, require further efforts in bringing forth newer pharmacotherapy options.

2.
Medicina (Kaunas) ; 60(3)2024 Feb 24.
Article En | MEDLINE | ID: mdl-38541105

Paroxysmal nocturnal hemoglobinuria (PNH) is a clonal stem cell disease characterized by intravascular hemolysis due to the targeting of affected red blood cells by the complement system. Eculizumab and ravulizumab are two monoclonal antibodies that inhibit the complement system's components and have been shown to significantly improve survival and quality of life. This review describes the role of these monoclonal antibodies in the treatment of PNH with an emphasis on their safety profile. The challenges in the use of these drugs and new drugs in various stages of drug development are also described, which may be helpful in addressing some of these challenges.


Antibodies, Monoclonal , Hemoglobinuria, Paroxysmal , Humans , Antibodies, Monoclonal/adverse effects , Hemoglobinuria, Paroxysmal/drug therapy , Quality of Life , Erythrocytes , Complement System Proteins
3.
Heliyon ; 10(2): e24924, 2024 Jan 30.
Article En | MEDLINE | ID: mdl-38312580

Unsafe patient care can result in an adverse event that may lead to hospitalization, disability, or death. India has a vast and diverse population with varying degrees of access to tertiary healthcare. However, there is a lack of studies analyzing the burden of healthcare-related adverse events. We aimed to determine the burden of adverse effects of medical treatment (AEMT) in India from 2010 to 2019 using the global burden of disease (GBD) 2019 study database. Using the GBD data, we computed estimates for deaths and disability-adjusted life years (DALY) due to AEMT at the national level and stratified them based on age and gender. AEMT contributed to less than 0.01 % of death and DALY rates due to all causes in India. From 2010 to 2019, there was a decrease in the death rate from 2.34 (1.75-2.66) to 2.33 (1.73-2.86) per 100000 population. The number of deaths and DALYs was highest in the 50-74-year age group and in females. There has been a decrease in the death and DALY rates in India over the past decade. AEMT accounts for only a small percentage of deaths due to all causes; however, the potential underreporting and the impact of medical treatment-related adverse events on the public perception regarding healthcare services need to be studied.

4.
Sci Rep ; 14(1): 1222, 2024 01 12.
Article En | MEDLINE | ID: mdl-38216608

Secukinumab is an anti-IL-17 monoclonal antibody approved for treating psoriasis and various arthritides. A comprehensive evaluation of its safety, especially in a real-world setting, is necessary. This study aimed to describe the adverse events (AE) associated with secukinumab use using the United States Food and Drug Administration Adverse Event Reporting System (FAERS) database. FAERS data files containing AE reports from 2015 to 2021 were downloaded for data mining. Primary or secondary suspect medications indicated for psoriasis were identified and analyzed. Medical dictionary for regulatory activities (MedDRA version 24.1) was used to analyze the AE terms. To detect potential safety signals of AE from secukinumab use, disproportionality analysis was used. A total of 365,590 adverse event reports were identified; of these, 44,761 reports involved the use of secukinumab. Safety signals were identified for ocular infections and gastrointestinal adverse events at the standardised MedDRA query level. Safety signals for oral candidiasis, oral herpes, conjunctivitis, eye infections, and ulcerative colitis were identified at the preferred term level. The findings of our study are consistent with those of earlier studies, such as the increased risk of infections and inflammatory bowel disease. However, our study also identified additional safety signals that need to be further evaluated.


Antibodies, Monoclonal, Humanized , Drug-Related Side Effects and Adverse Reactions , Psoriasis , United States/epidemiology , Humans , Adverse Drug Reaction Reporting Systems , Drug-Related Side Effects and Adverse Reactions/epidemiology , United States Food and Drug Administration , Psoriasis/drug therapy
5.
Med Pharm Rep ; 96(4): 406-412, 2023 Oct.
Article En | MEDLINE | ID: mdl-37970197

Aim: To determine the knowledge regarding various aspects of pharmacovigilance among doctors and nurses of a tertiary care teaching hospital and to evaluate the effect of an educational intervention. Methods: A cross-sectional study was conducted among doctors and nurses of a tertiary care teaching hospital. The participants attended a one-hour educational session during which the concept of pharmacovigilance, the Pharmacovigilance Program of India, the need for reporting ADRs, and the method of reporting were explained by a subject expert. A 20-item questionnaire was used to assess their knowledge regarding pharmacovigilance before and after an educational session. The pre-post comparisons were done using Wilcoxon's signed-rank test. A p-value less than 0.05 was considered statistically significant. Results: Forty-two doctors and 115 nurses participated in the study. A significant improvement in the participant scores was seen following the educational intervention in both doctors (Z = -5.344, p < 0.001) and nurses (Z = -8.808, p < 0.001). Lack of knowledge/awareness was perceived as the major barrier for ADR reporting among nurses as well as doctors. Conclusion: There is need for education and training among doctors and nurses to enhance their knowledge about drug safety and reporting practices. Educational intervention is likely to improve the knowledge regarding pharmacovigilance, and thereby enhance reporting by healthcare professionals.

6.
Pharmacogenomics ; 24(17): 873-879, 2023 Nov.
Article En | MEDLINE | ID: mdl-38009368

With the aim of integrating clinical pharmacology with pharmacogenomics and providing a platform to gather clinicians, academicians, diagnostic laboratory personnel and scientists from related domains, the International Conference on Clinical Pharmacology and Pharmacogenomics 2023 (ICCPP 2023) was jointly organized by the Department of Pharmacology, Kasturba Medical College, Mangalore, Manipal Academy of Higher Education, India and the CANSEARCH research platform in Pediatric Oncology and Hematology, University of Geneva, Geneva, Switzerland. The conference was held on 31 August and 1 September 2023, as a continued Indo-Swiss scientific exchange event series. In this report we describe the proceedings of this conference for the benefit of peers who could not attend the conference but are interested in knowing about the scientific program in detail.


Pharmacology, Clinical , Physicians , Child , Humans , Pharmacogenetics/education , Precision Medicine , Switzerland
7.
Asian Pac J Cancer Prev ; 24(11): 3643-3653, 2023 Nov 01.
Article En | MEDLINE | ID: mdl-38019221

BACKGROUND: Radiation therapy is used to treat head and neck cancer (HNC) patients. Proton beam therapy (PBT) is one of the newer treatment options. This systematic review will describe the cost and cost-effectiveness of PBT compared with other first-line treatment options based on available literature and provide a better understanding of its usage in HNC in the future. METHODS: This systematic review was conducted in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. Systematic searches were conducted in PUBMED, EMBASE and SCOPUS till February 2022. Original pharmacoeconomic articles written in English that considered PBT for HNC were included; the title, abstract and full text of the search items were screened. The included studies were critically appraised using the Drummond Checklist followed by data extraction. RESULTS: Eight of the ten included studies were of good quality; most were cost-effectiveness or cost comparison studies and used the Markov model and lifetime horizon. The dominant comparator was intensity-modulated radiotherapy. The willingness to pay threshold ranged from $30,828 to $150,000 per QALY. The incremental cost-effectiveness ratio (ICER) was between $4,436.1 and $695,000 per QALY. In HNC patients with human papillomavirus infection, the ICER was lower ($288,000/QALY) from the payer's perspective, but much higher ($390,000/QALY) from the societal perspective. CONCLUSION: Our systematic review showed that appropriate patient selection can make PBT cost-effective. HPV-associated tumors can be cost-effectively treated with PBT. From the payer's perspective, PBT is a cost-effective treatment option. In younger patients, PBT can result in lesser incidence of adverse effects, and hence, can reduce the subsequent need for long-term supportive care. Lower fractionation schedules can also make PBT a cost-effective treatment.


Head and Neck Neoplasms , Papillomavirus Infections , Proton Therapy , Humans , Financial Stress , Head and Neck Neoplasms/radiotherapy , Chemical Fractionation , Dose Fractionation, Radiation
8.
Surg Endosc ; 37(12): 9201-9207, 2023 12.
Article En | MEDLINE | ID: mdl-37845532

BACKGROUND: Minimally invasive approaches to liver resection (MILR) are associated with favorable outcomes. The aim of this study was to determine the implications of conversion to an open procedure on perioperative outcomes. METHODS: Patients who underwent MILR at 10 North American institutions were identified from the Americas Minimally Invasive Liver Resection (AMILES) database. Outcomes of patients who required conversion were compared to those who did not. Additionally, outcomes after conversion due to unfavorable findings (poor visualization/access, lack of progress, disease extent) versus intraoperative events (bleeding, injury, cardiopulmonary instability) were compared. RESULTS: Of 1675 patients who underwent MILR, 102 (6.1%) required conversion. Conversion rate ranged from 4.4% for left lateral sectionectomy to 10% for right hepatectomy. The primary reason for conversion was unfavorable findings in 67 patients (66%) and intraoperative adverse events in 35 patients (34%). By multivariable analysis, major resection, cirrhosis, prior liver surgery, and tumor proximity to major vessels were identified as risk factors for conversion (p < 0.05). Patients who required conversion had higher blood loss, transfusion requirements, operative time, and length of stay, (p < 0.05). They also had higher major complication rates (23% vs. 5.2%, p < 0.001) and 30-day mortality (8.8% vs. 1.3%, p < 0.001). When compared to those who required conversion due to unfavorable findings, patients who required conversion due to intraoperative adverse events had significantly higher major complication rates (43% vs. 14%, p = 0.012) and 30-day mortality (20% vs. 3.0%, p = 0.007). CONCLUSIONS: Conversion from MILR to open surgery is associated with increased perioperative morbidity and mortality. Conversion due to intraoperative adverse events is rare but associated with significantly higher complication and mortality rates, while conversion due to unfavorable findings is associated with similar outcomes as planned open resection. High-risk patients may benefit from early conversion in a controlled fashion if difficulties are encountered or anticipated.


Laparoscopy , Liver Neoplasms , Humans , Hepatectomy/methods , Laparoscopy/methods , Liver Cirrhosis/surgery , Minimally Invasive Surgical Procedures/methods , Length of Stay , Retrospective Studies , Postoperative Complications/epidemiology , Postoperative Complications/etiology , Postoperative Complications/surgery
9.
Pharmaceuticals (Basel) ; 15(11)2022 Nov 07.
Article En | MEDLINE | ID: mdl-36355537

Secukinumab is an anti-interleukin (IL)-17A IgG1-κ monoclonal antibody approved for psoriasis, psoriatic arthritis, and ankylosing spondylitis. Its efficacy is well documented, but the complete safety profile of secukinumab, especially on long-term use, needs to be studied. IL-17 inhibitors increase the risk of infections, especially respiratory tract infections and candidiasis, and inflammatory bowel disease; the causal relationships are well described. However, evidence regarding the other adverse events is scarce, and causal associations between the adverse events and the biologic remain unresolved. This review aims to present a narrative perspective on the safety of secukinumab and identify some key areas where the safety of secukinumab may potentially be useful in understanding the scope of secukinumab therapy and making informed clinical decisions.

10.
Health Sci Rep ; 5(6): e931, 2022 Nov.
Article En | MEDLINE | ID: mdl-36381408

Background and Aims: Doxycycline is recommended for use in rickettsial diseases. The available evidence regarding its safety for rickettsial infection in pregnancy is limited. Our study aimed to describe the adverse events of doxycycline when used during pregnancy for any indication, in terms of adverse maternal and/or neonatal outcomes, using the United States Food and Drug Administration Adverse Event Reporting System (FAERS). Methods: We used the OpenVigil software for extracting the safety reports from the United States submitted to the FAERS from 2004 to 2021. We manually reviewed reports of doxycycline use resulting in adverse pregnancy outcomes or congenital anomalies to describe the patient and safety event characteristics. Results: From 2004 to 2021, 59 individual case safety reports containing preferred terms indicative of drug exposure during pregnancy or drug-induced adverse fetal outcomes were identified in the FAERS database. Following deduplication and manual review, 20 relevant adverse event reports were obtained. Doxycycline was the suspect medication in 13/20 (65%) reports. The common adverse event terms reported were premature delivery/baby in 6 reports, spontaneous abortion in 6, intrauterine death in 2, and various congenital anomalies in the rest. Fifty percent of the safety reports contained other medications which could have potentially caused the outcome. Conclusions: The number of reported events in the FAERS database of adverse pregnancy/neonatal outcomes following doxycycline use is small, similar to the numbers reported from large cohort or surveillance studies. Given the presence of concomitant medications that could have contributed to the outcome, there does not seem to be a strong signal of harm, although this needs to be confirmed by surveillance studies.

11.
Pharmaceuticals (Basel) ; 15(8)2022 Aug 11.
Article En | MEDLINE | ID: mdl-36015138

Pediatric cancer treatment has evolved significantly in recent decades. The implementation of risk stratification strategies and the selection of evidence-based chemotherapy combinations have improved survival outcomes. However, there is large interindividual variability in terms of chemotherapy-related toxicities and, sometimes, the response among this population. This variability is partly attributed to the functional variability of drug-metabolizing enzymes (DME) and drug transporters (DTS) involved in the process of absorption, distribution, metabolism and excretion (ADME). The DTS, being ubiquitous, affects drug disposition across membranes and has relevance in determining chemotherapy response in pediatric cancer patients. Among the factors affecting DTS function, ontogeny or maturation is important in the pediatric population. In this narrative review, we describe the role of drug uptake/efflux transporters in defining pediatric chemotherapy-treatment-related toxicities and responses. Developmental differences in DTS and the consequent implications are also briefly discussed for the most commonly used chemotherapeutic drugs in the pediatric population.

12.
J Rehabil Assist Technol Eng ; 9: 20556683211070994, 2022.
Article En | MEDLINE | ID: mdl-35281782

Introduction: This manuscript describes the implementation of a Virtual Reality (VR) recreation program at long-term care sites across Ontario, Canada, using the RE-AIM Framework to guide the implementation and its evaluation. Methods: We developed a VR recreation program to enhance the lives of long-term care residents, through 3 sequential phases. In Phase 1, we learned about resident and staff needs through focus groups, staff surveys and observations. In Phase 2, we developed 10 VR experiences, based on the data from Phase 1. In Phase 3, we implemented the VR experiences and supporting manual and measured their implementation, using the RE-AIM Framework. Results: We found the VR program to be highly (but not consistently) implementable across all sites. Factors that supported implementation were the following: resident interest in the content and technology, relative ease of use for staff to implement and formally integrating VR into the recreation calendar. Factors that impeded implementation were the following: the size of the headset, inability for the headset to cast given the sites' Information Technology infrastructure and some content that was not engaging. Conclusions: VR programs are highly implementable and this implementation is enhanced by integration of the program into existing recreational systems, ease of use and resident engagement.

13.
J Rehabil Assist Technol Eng ; 9: 20556683211072384, 2022.
Article En | MEDLINE | ID: mdl-35154808

INTRODUCTION: This paper describes the findings of a pilot implementation project that explored the potential of virtual reality (VR) technology in recreational programming to support the well-being of older adults in long-term care (LTC) homes. METHODS: 32 Adults in four LTC homes participated in a pilot implementation project where they viewed VR experiences of popular locations in Canada created especially for this project. Data in this paper are based on multiple viewing experiences (n = 102) over a two-week period. RESULTS: VR appeared to be an effective distraction from pain for the participants. Participants of this study found the VR experiences to be enjoyable and were relaxed and happy while viewing them. Most participants were attentive or focused while viewing the VR experiences, and the experiences were found to be a source of reminiscence for some of the participants. Participants related well to others around them during a majority of the experiences and the VR experiences were a point of conversation between the staff and the participants. CONCLUSION: The findings from this pilot implementation reveal that VR shows potential to enhance the physical, emotional, cognitive, and social well-being of older adults living in LTC, including those living with cognitive impairment.

14.
Sci Rep ; 11(1): 18818, 2021 09 22.
Article En | MEDLINE | ID: mdl-34552181

Tocilizumab (TCZ) is used to treat rheumatoid arthritis and other systemic inflammatory disorders. There is some evidence suggesting the occurrence of pancreatitis following TCZ use. We aimed to determine the reporting of pancreatitis following TCZ use in comparison with other drugs using the United States Food and Drug Administration Adverse Event Reporting System (FAERS) database. We extracted adverse event reports submitted to FAERS during 2013-2019. A reporting odds ratio (ROR) with the lower bound 95% confidence interval (CI) > 1 and a lower limit of a two-sided 95% interval of information component (IC025) more than zero was considered significant. Following deduplication, 3,383,910 adverse event reports were available; 144 (0.004%) reports were of pancreatic adverse events associated with TCZ use, and 15,907 (0.47%) associated with other drugs. Of the 144 cases, 74 (51.39%) received concomitant medications with pancreatotoxic potential. The likelihood of reporting of pancreatic events, compared with any other adverse event, with TCZ use was 1.32 times higher than that with other drugs. The lower bound of the 95% CI of the ROR and IC remained above the criteria of significance throughout the study period, except 2013. The findings suggest disproportionately high reporting of pancreatitis in patients receiving TCZ as compared with other drugs. This marginally high reporting is not likely to be of immediate clinical concern and needs to be interpreted cautiously.


Antibodies, Monoclonal, Humanized/adverse effects , Pancreatitis/chemically induced , Receptors, Interleukin-6/antagonists & inhibitors , Adverse Drug Reaction Reporting Systems/statistics & numerical data , Aged , Female , Humans , Male , Middle Aged , Retrospective Studies , United States , United States Food and Drug Administration
15.
World J Hepatol ; 13(7): 747-762, 2021 Jul 27.
Article En | MEDLINE | ID: mdl-34367496

Drug use during pregnancy is not common. Drug-induced liver injury (DILI) is a potential complication that is rare but can adversely affect both the mother and the fetus. Although many drugs can directly cause hepatotoxicity, idiosyncratic liver injury is common in pregnancy. Underreporting of adverse drug reactions, lack of adequate literature regarding drug safety in pregnancy, and the inherent difficulty in diagnosing DILI during pregnancy make the management of this condition challenging. This review attempts to describe the existing literature regarding DILI in pregnancy, which is mainly in the form of case reports; several studies have looked at the safety of antithyroid drugs, antiretroviral drugs, and paracetamol, which have an indication for use in pregnancy; the relevant data from these studies with regard to DILI has been presented. In addition, the review describes the diagnosis of DILI, grading the disease severity, assessment of causality linking the drug to the adverse event, regulatory guidelines for evaluating the potential of drugs to cause liver injury, efforts to ensure better participation of women in clinical trials and studies in pregnant women population in particular, and the challenges involved in generating adequate research evidence. The establishment of DILI registries in various countries is an encouraging development; however, there is a need for promoting active, spontaneous reporting of adverse events during pregnancy to ensure rapid generation of evidence regarding the safety of a drug in pregnant women.

16.
J Pharmacopuncture ; 24(2): 84-90, 2021 Jun 30.
Article En | MEDLINE | ID: mdl-34249399

OBJECTIVES: Our study aimed to determine the attitudes of second- and final-year medical students and doctors (teaching faculty) of modern medicine towards complementary and alternative medicine (CAM) using the Complementary, Alternative, and Integrative Medicine Attitude Questionnaire (CAIMAQ). METHODS: We invited 248 second-year medical students, 245 final-year medical students, and 48 faculty members to participate in the study. The CAIMAQ consists of 30 items, divided into five categories assessing various aspects of CAM, and scored using a 7-point Likert scale. The median scores obtained were compared between groups; a p-value < 0.05 was considered statistically significant. RESULTS: A total of 138 medical students and faculty responded and participated in the study, of which, 24 (17.4%) were faculty, 40 (29%) were final-year medical students and 74 (53.6%) were second-year medical students. The overall attitude towards the various CAM concepts and therapies was positive. In general, the faculty were significantly less likely to consider referring patients for CAIM treatments, integrating them with conventional medicine, referring patients to alternative healthcare providers, considering the use of subtle energy fields as an ethical form of treatment, or considering CAIM treatments to be less invasive and harmful compared with conventional medicine. There was no significant difference in the attitudes of second- and final-year students. CONCLUSION: The attitude of medical students and doctors towards CAM is positive, and although the medical faculty have reservations in recommending specific types of CAM therapies or integrating them with conventional care, building evidence for supporting CAM therapies in specific diseases is likely to increase its uptake among health care professionals.

17.
Expert Opin Drug Saf ; 20(12): 1559-1564, 2021 Dec.
Article En | MEDLINE | ID: mdl-34328807

Background: Remdesivir has been used for treating patients with moderate to severe coronavirus disease 2019 (COVID-19) although there is conflicting evidence regarding its usefulness. Data regarding its safety largely come from the clinical trials conducted to support its emergency use authorization (EUA). This study aimed to identify the adverse events of remdesivir with disproportionately high reporting using real-world data.Research design and methods: The adverse event reports submitted to the United States Food and Drug Administration Adverse Event Reporting System (FAERS) by health-care professionals for drugs that have received EUA or approved for the treatment of COVID-19 in the US were studied. Adisproportionality analysis was performed to determine adverse events more frequently reported with remdesivir compared with other COVID-19 drugs in the database.Results: Elevated liver enzymes, acute kidney injury, raised blood creatinine levels, bradycardia, cardiac arrest, and death had disproportionately higher reporting with remdesivir as asuspect drug compared with other drugs. There is no significant difference in the reporting of these events based on patient sex or age.Conclusions: Our study confirms the drug label information regarding liver enzyme elevation. The renal and cardiac safety signals identified necessitate reevaluation for potential drug-labeling changes.


Acute Kidney Injury , Adenosine Monophosphate/analogs & derivatives , Alanine/analogs & derivatives , Bradycardia , COVID-19 Drug Treatment , COVID-19 , Drug-Related Side Effects and Adverse Reactions , Liver Function Tests , Acute Kidney Injury/chemically induced , Acute Kidney Injury/diagnosis , Adenosine Monophosphate/administration & dosage , Adenosine Monophosphate/adverse effects , Adverse Drug Reaction Reporting Systems/statistics & numerical data , Alanine/administration & dosage , Alanine/adverse effects , Antiviral Agents/administration & dosage , Antiviral Agents/adverse effects , Bradycardia/chemically induced , Bradycardia/diagnosis , COVID-19/complications , COVID-19/epidemiology , Drug Approval/methods , Drug-Related Side Effects and Adverse Reactions/diagnosis , Drug-Related Side Effects and Adverse Reactions/epidemiology , Drug-Related Side Effects and Adverse Reactions/etiology , Female , Humans , Liver Function Tests/methods , Liver Function Tests/statistics & numerical data , Male , Middle Aged , SARS-CoV-2 , United States/epidemiology , United States Food and Drug Administration/statistics & numerical data
18.
ScientificWorldJournal ; 2021: 6695532, 2021.
Article En | MEDLINE | ID: mdl-33551687

Simple reaction time (SRT) is the minimum time required to respond to a stimulus; it is a measure of processing speed. Our study aimed to determine the variation in visual SRT with time among individuals of the same gender and between genders. We carried out a prospective, parallel group, pilot study involving ten male and ten female medical students aged 18-25 years. After obtaining written informed consent, the participants were familiarized with the procedures, and each completed a single practice session of a computerized visual SRT which was administered using Psychology Experiment Building Language Version 2.0 software. On a predetermined day, the participants completed the exercise at 10 a.m., 1 p.m., and 5 p.m. The results showed no statistically significant difference in SRT based on time of day between genders (χ 2(2) = 4.300, p=0.116) as well as within gender (males (χ 2(2) = 0.600, p=0.741); females (χ 2(2) = 5.000, p=0.082). Our study showed that visual SRT does not change significantly at different times of the day and within and between genders. Intraindividual variations in visual SRT can mask the presence of a small but significant difference; hence, further studies are warranted.


Reaction Time , Visual Perception , Adolescent , Adult , Age Factors , Female , Humans , Male , Photic Stimulation , Pilot Projects , Psychomotor Performance , Sex Factors , Young Adult
19.
Sci Rep ; 11(1): 445, 2021 01 11.
Article En | MEDLINE | ID: mdl-33431995

Domperidone, ondansetron and olanzapine can prolong the QT interval. The clinical use of combinations of these drugs is not uncommon. Our study aimed to determine the presence of any QTc prolonging effect of the combination when used as antiemetic in patients receiving cancer chemotherapy. We carried out a prospective, observational study of patients with malignancy who were to receive domperidone, ondansetron and olanzapine-containing antiemetic regimen. Electrocardiograms were recorded before and during the administration of antiemetics, for three consecutive days. A blinded assessor determined the QTc interval using Bazett and Fridericia formulae. Thirty-six patients completed the study; 23 (63.9%) were females. There was a statistically significant change in QTc with time (Fridericia, χ2(4) = 15.629, p = 0.004; Bazett, χ2(4) = 15.910, p = 0.003); QTc on Day 1 was more than that during baseline (p < 0.001); these differences were significant in females (Fridericia, χ2(4) = 13.753, p = 0.008; Bazett, χ2 (4) = 13.278, p = 0.010) but not in males (Fridericia, χ2 (4) = 4.419, p = 0.352; Bazett, χ2(4) = 4.280, p = 0.369). Two female patients had an absolute QTc prolongation (Bazett correction) of > 500 ms. However, no clinically significant adverse events occurred. The findings show that QTc prolongation is a concern with olanzapine alone and in combination with domperidone and ondansetron, and needs to be investigated further.


Antiemetics/adverse effects , Antineoplastic Agents/adverse effects , Domperidone/adverse effects , Long QT Syndrome/chemically induced , Nausea/drug therapy , Neoplasms/drug therapy , Olanzapine/adverse effects , Ondansetron/adverse effects , Adolescent , Adult , Aged , Aged, 80 and over , Antiemetics/administration & dosage , Domperidone/administration & dosage , Drug Combinations , Electrocardiography , Female , Humans , Long QT Syndrome/diagnosis , Male , Middle Aged , Nausea/chemically induced , Olanzapine/administration & dosage , Ondansetron/administration & dosage , Prospective Studies , Single-Blind Method , Young Adult
20.
J Neurosurg Case Lessons ; 2(8): CASE21281, 2021 Aug 23.
Article En | MEDLINE | ID: mdl-35855087

BACKGROUND: Myeloid sarcoma is a rare malignant hematopoietic neoplasm that arises at extramedullary sites. Although myeloid sarcoma may involve any organ, central nervous system (CNS) involvement is exceptionally rare. To date, few case reports and case series have described CNS myeloid sarcoma, the majority of which include peripheral disease. OBSERVATIONS: The authors present an illustrative case of an adult male with acute myeloid leukemia (AML) in remission relapsing with an isolated, diffuse myeloid sarcoma of the cerebellum. Magnetic resonance imaging showed posterior fossa crowding and diffuse enhancement within the cerebellar white matter without an apparent mass lesion. The patient required ventriculostomy due to obstructive hydrocephalus and ultimately suboccipital craniectomy with duraplasty due to posterior fossa compression. An open cerebellar biopsy revealed myeloid sarcoma. Peripheral studies did not meet the criteria for recurrent AML. The patient subsequently received high-dose systemic chemotherapy and has responded well to treatment. LESSONS: Myeloid sarcoma may be a neurosurgical lesion because it has the potential to cause mass effect with obstructive hydrocephalus requiring emergent cerebrospinal fluid diversion and possible decompression. The authors report a rare case of isolated recurrence of AML in the form of diffuse CNS myeloid sarcoma and describe the role of neurosurgery in its diagnosis and treatment.

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