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Healthcare professionals' understanding and perception of drug-related issues linked to off-label pharmacological medications used for COVID-19

Munir MZ, Khan AH, Khan TM

Expert Rev Anti Infect Ther, 2024 Jan 24.
PMID: 38263904 DOI: 10.1080/14787210.2024.2310004

BACKGROUND: To evaluate the opinions of healthcare workers regarding drug therapy problems linked to anti-infective medicines used for the treatment of COVID-19 infection in Pakistan.
RESEARCH METHODOLOGY: This cross-sectional study was conducted from January to October 2022 using a self-administered questionnaire developed by the authors, having three sections: demographics, knowledge, and perception. The study was validated by research experts and pilot-tested on 30 subjects. The study included medical doctors, nurses, pharmacists from Punjab's government and private medical institutes.
RESULTS: In this study, 382 of 400 participants replied. The mean knowledge score was 9.52 (SD 2.97), showing that participants had adequate knowledge of COVID-19 pharmacological interventions. The knowledge scores were significantly higher of those who treated COVID-19 patients and were from Lahore. Many doctors considered that elderly patients and those with blood disorders were at greater risk of experiencing drug-related problems. Most pharmacists support electronic prescription systems. Many doctors thought the lack of unified treatment guidelines, multiple prescribers, and self-medication were key obstacles in managing COVID-19 patients.
CONCLUSION: Most respondents had adequate knowledge. Older patients with comorbidities are at risk of adverse effects. Self-medication, polypharmacy, and multiple prescriptions can lead to misdiagnosis and complications. Electric prescriptions, team effort, and training programs can decrease these issues.
Worm burden and leukocyte response in Angiostrongylus malaysiensis-infected rats: the influence of testosterone

Kamis AB, Ahmad RA, Badrul-Munir MZ

Parasitol Res, 1992;78(5):388-91.
PMID: 1495916

Gonadectomized male albino rats aged 7 weeks were given 1.5 mg/kg testosterone propionate daily and inoculated with 50 third-stage larvae of Angiostrongylus malaysiensis. The treatment significantly increased the number of larvae and adult worms recovered from the brain and pulmonary arteries, respectively, and the rats exhibited smaller thymus glands. The total numbers of leukocytes, monocytes, neutrophils, and especially eosinophils increased significantly post-infection, but the counts were higher in the untreated infected controls. Presumably, immunosuppressive effects of testosterone may at least partly be responsible for the higher loads of A. malaysiensis worms found in male rats as compared with females in the field.
Effects of estradiol on worm burden and peripheral leukocytes in Parastrongylus malaysiensis-infected rats

Kamis AB, Ahmad RA, Badrul-Munir MZ

Parasitol Res, 1994;80(1):74-7.
PMID: 8153130

Gonadectomized male laboratory rats were given 0.06 mg/kg estradiol benzoate daily for 14 days before being inoculated with 50 third-stage larvae of Parastrongylus malaysiensis. Hormone treatment was continued until the rats were killed. The numbers of larvae in the brain and of adult worms in the pulmonary area of the rats were determined every 7 days after the inoculation. It was found that the rats treated daily with estradiol benzoate had significantly and consistently higher numbers of larvae and adult worms as compared with the controls. The number of total leukocytes increased significantly after the rats were infected. The results show that estradiol-treated rats become susceptible to P. malaysiensis infection, which may indicate that the immunosuppressive effects of testosterone observed in earlier studies may partly be caused by estradiol that was peripherally aromatized from testosterone.
Attraction and consumption of methyl eugenol by male Bactrocera umbrosa Fabricius (Diptera: Tephritidae) promotes conspecific sexual communication and mating performance

Wee SL, Abdul Munir MZ, Hee AKW

Bull. Entomol. Res., 2018 Feb;108(1):116-124.
PMID: 28625191 DOI: 10.1017/S0007485317000554

The Artocarpus fruit fly, Bactrocera umbrosa (Fabricius) (Diptera: Tephritidae), is an oligophagous fruit pest infesting Moraceae fruits, including jackfruit (Artocarpus heterophyllus Lamarck), a fruit commodity of high value in Malaysia. The scarcity of fundamental biological, physiological and ecological information on this pest, particularly in relation to behavioural response to phytochemical lures, which are instrumental to the success of many area-wide fruit fly control and management programmes, underpins the need for studies on this much-underrated pest. The positive response of B. umbrosa males to methyl eugenol (ME), a highly potent phytochemical lure, which attracts mainly males of many Bactrocera species, was shown to increase with increasing age. As early as 7 days after emergence (DAE), ca. 22% of males had responded to ME and over 50% by 10 DAE, despite no occurrence of matings (i.e. the males were still sexually immature). Male attraction to ME peaked from 10 to 27 DAE, which corresponded with the flies' attainment of sexual maturity. In wind-tunnel assays during the dusk courtship period, ME-fed males exhibited earlier calling activity and attracted a significantly higher percentage of virgin females compared with ME-deprived males. ME-fed males enjoyed a higher mating success than ME-deprived males at 1-day post ME feeding in semi-field assays. ME consumption also promotes aggregation behaviour in B. umbrosa males, as demonstrated in wind-tunnel and semi-field assays. We suggest that ME plays a prominent role in promoting sexual communication and enhancing mating performance of the Artocarpus fruit fly, a finding that is congruent with previous reports on the consequences of ME acquisition by other economically important Bactrocera species.