Studies of phytochemical analysis, in vitro and in vivo evaluation of the local Pseudoelephantopus spicatus plant
August 2024
The plant Pseudoelephantopus spicatus is used in Bangladesh for its folkloric medicinal properties, particularly in rural and Chittagong Hill tract areas. Methanolic extracts of this plant and its various Kupchan partitionates (MESP, HSP, DCMSP, EtAcSP, and AQSP) were then subject to in vitro and in vivo bioassay investigations to determine their consistency and potency. The preclinical trial outcomes hold significance...
Evaluation of betablockers and digoxin in black African heart failure patients based on a non-interventional cohort study at Abidjan Heart Institute
July 2024
The aim was to determine the benefit of betablockers and/or digoxin on mortality in heart failure in black Africans using a comparative study. This was a prospective, non-interventional, comparative, four-arm follow-up cohort study using the Abidjan Heart Institute database. Patients were divided into four arms: betablocker alone, betablocker plus digoxin, digoxin alone, and a control group with conventional treatment...
Nicolau syndrome: An avoidable iatrogenic complication leading to disabilities
July 2024
Nicolau syndrome is a rare complication following intramuscular injection of various medications. The pathophysiology of the condition remains complex. However, corticosteroids are responsible for vasospasm and ischemic necrosis. The objective of this report was to demonstrate the often-preventable nature of this debilitating drug-induced iatrogenesis. Two cases of preventable Nicolau syndrome in children aged 2 and 6...
Preclinical immunomodulatory activity of COVIDEX® herbal product developed for supportive treatment of COVID-19 in Uganda
July 2024
The outbreak of the COVID-19 pandemic due to the SARSCoV-2 virus caused international lockdown with devastating effects on global health. In Africa, most people resorted to the use of herbal products for the prevention and treatment COVID-19 related symptoms. In Uganda COVIDEX® herbal product was widely used and is still used against COVID-19 and other viral symptoms of the upper respiratory tract. The product...
Tolerance profile of therapeutics at the Abidjan Cardiology Institute (CÔTE D’IVOIRE)
June 2024
Tolerance of treatments is an important factor in compliance and quality of care for various pathologies. The objective of our study was to evaluate the prevalence of adverse events observed in patients at the Abidjan Cardiology Institute (ACI). This descriptive, observational, cross-sectional study involved 200 patients of all ages who were undergoing drug treatment for cardiovascular diseases or other...
Impact of Artemisia annua and Moringa oleifera on Viral Load, T Cell Activation, and Exhaustion in Ugandan People Living with HIV/AIDS (PLWH)
June 2024
Highly active antiretroviral therapy (HAART) effectively controls HIV replication in HIV-positive individuals, but chronic immune activation persists, leading to increased virus replication, T cell depletion, and exhaustion, necessitating lifelong HAART to prevent disease progression. This study explores the potential of supplementing HAART with Artemisia annua and Moringa oleifera leaf powders as adjuvants to restore...
Social and environmental factors influencing drug promotion in Ethiopia
June 2024
Drug promotion influences physicians in such a way that they have a tendency for irrational prescribing, preference for newer, more expensive drugs and an inability to identify incorrect claims about drug products. Therefore, this study assessed interactions of drug promoters and physicians and its effect on prescribing in Ethiopia. A cross sectional study was conducted among physicians working both in private and...
Effect of flavonol from chamomile (Matricaria recutita) flavonoids on memory disorders and determination of oxidative stress in Alzheimer's rats
June 2024
Alzheimer's disease is one of the most common neurodegenerative diseases characterized by beta-amyloid plaques and neurofibrillary tangles. Alzheimer's is associated with various cellular changes including oxidative stress, neuronal inflammation, and mitochondrial disorders, ultimately leading to neuronal death. Flavonols found in the chamomile plant (Matricaria recutita) exert beneficial effects on brain...
An in vitro evaluation of the antileishmanial and cytotoxic activity of methyl gallate associated with conventional treatment for cutaneous leishmaniasis
May 2024
Cutaneous leishmaniasis (CL) is a non-contagious infectious-parasitic disease caused by protozoa of the genus Leishmania sp. It is considered a neglected tropical disease and involves public health issues because it affects socially vulnerable populations. The therapy recommended by the Brazilian Ministry of Health as the standard treatment for CL presents numerous challenges. Therefore, it is necessary to look for...
Evaluation and validation of limited sampling strategy for estimating individual exposure of mycophenolic acid in renal transplant children receiving concomitant tacrolimus
May 2024
Limited sampling strategies (LSS) for estimating the area under the concentration-time curve (AUC) of mycophenolic acid (MPA) in renal transplant children receiving concomitant tacrolimus have been developed, but they have not yet undergone full validation. The objectives of the present study were to evaluate the predictive performance of previously published LSS of MPA in an independent pediatric population and to...
Clinical and parasitological evaluation of cutaneal lesions in Mesocricetus auratus infected with Leishmania amazonensis
May 2024
Cutaneous leishmaniasis is an infectious-parasitic disease that is vector-transmitted by female Phlebotomus species through a blood meal. The drugs recommended by the Ministry of Health show moderate efficacy and numerous adverse reactions, making it necessary to develop new drugs. However, it is essential to establish new and vibrant diagnostic techniques detecting and quantifying the parasites in experimental animals...
Effects of Adansonia digitata L fruit pulp and Lawsonia inermis L leaves extracts on some smooth muscle preparations
April 2024
Plant materials serve as valuable sources of new medicinal agents, with a considerable number of them being used medicinally. However, it is important to follow systematic research methodology to evaluate the pharmacological properties of these plant materials. The aim of this study was to evaluate the effects on some smooth muscle preparations of Adansonia digitata L (Bombacaceae) fruit pulp and Lawsonia inermis L...
Antioxidant and antibiofilm activity of Ageratum conyzoides L, and Bidens pilosa L against wound pathogens
April 2024
Biofilm infections represent a significant challenge in the medical field due to escalating antibiotic resistance. Plants offer a promising avenue for addressing this issue, as they harbor a diverse array of phytochemicals with various biological activities, including antioxidant properties crucial for preventing biofilm formation in wounds. This study aimed to explore the antioxidant and antibiofilm capabilities of...
Effects of the use of piper betle l. leaf extract associated with adipose-derived stem cells on ulcers in streptozotocin-induced diabetic mice
April 2024
Diabetic ulcers often present challenges in healing or may heal incompletely without the restoration of proper function. Piper betle L. is recognized as a valuable traditional medicine for treating open wounds due to its antibacterial and anti-inflammatory properties, as well as its ability to stimulate fibroblast proliferation. Additionally, adipose-derived stem cells (ADSCs) have the capacity to self-renew and...
Approval of conventional medicines in Cameroon in 2023: Why do some fail?
March 2024
This study focuses on the work of the specialized commission responsible for assessing the conformity of registration files for drugs seeking marketing authorization (MA) in Cameroon during 2023, particularly examining why certain applicants submit noncompliant files for approval. First, the files submitted to the specialized commission in 2023 were listed. The data on the reasons for noncompliance were then compiled,...
Antihyperglycemic and pancreatic ?-Cells protective effects of Cassia siamea in Alloxan-induced diabetic wistar rats
January 2024
The study aimed to investigate the β-cell protective effects of ethanol extracts of Cassia siamea (Fabaceae) leaves (LECS). Initially, acute toxicity of LECS (2000 mg/kg/day/bw; po) was assessed in rats. In vitro, antioxidant activity was evaluated on HUVEC cultures. Subsequently, acute hypoglycemic and antihyperglycemic properties were examined for three doses of LECS (100, 200, and 400 mg/kg/bw; po) in Wistar...
Immunomodulatory effect of Artemisia annua and Moringa oleifera on viral load among PLWH on antiretroviral therapy in Uganda
November 2023
Contemporary highly active antiretroviral therapy (HAART) is effective and tolerable for a long time but cannot eradicate human immunodeficiency virus (HIV) infection by either elimination of viral reservoirs or enhancement of HIV-specific immune responses. HIV infects the B cell germinal centers in follicles of lymphoid tissue and induces dysfunction, which may persist during HAART, negatively affecting IgG subclass...
Pharmacotherapeutics of cerebrovascular accidents in the medical intensive care unit of the Abidjan Cardiology Institute (Ivory Coast)
November 2023
Stroke is responsible for 52% of vascular deaths in Africa, compared to 38% in Europe. A rigorous and rapid pharmacotherapeutic approach, based on the rational use of drugs, could improve this figure. This work aimed to study the pharmacotherapeutic treatment of strokes in the medical intensive care unit of the Abidjan Cardiology Institute. A retrospective descriptive cross-sectional study carried out on patient records...
Polyphenol content, antioxidant and antiproliferative effects of a plant mixture composed of four medicinal plants with hepatoprotective potential
October 2023
Reactive oxygen species (ROS), known as normal by-products of various cellular processes, are involved in several human diseases, including cancer and liver diseases. The present study aimed to (i) determine the polyphenol contents, (ii) assess the antioxidant, and (iii) antiproliferative effects of a mixture composed of Balanites aegyptiaca, Calotropis procera, Cochlospermum tinctorium, and Acanthospermum hispidum....
Hydrocotyle bonariensis Comm ex Lamm (Araliaceae) leaves effects on rabbit’s blood pressure and electrocardiogram
September 2023
Hydrocotyle bonariensis Comm ex Lamm (Araliaceae) is traditionally used to treat various pathologies like hypertension. This work aims to evaluate the impact of hydro-ethanolic extract of its leaves on the blood pressure and cardiac activity of rabbits, and then to compare its hypotensive effect to conventional hypotensives. Intravenous injection of the hydro-ethanolic leaf extract (10; 20; 40; 80 and 160 mg /kg body...
Assessment of the in vivo acute toxicity of aqueous extracts of artavol® antimalaria herbal tea
September 2023
Acute toxicity testing plays a pivotal role in the initial safety assessment of products. It examines the effects of a single or multiple doses of a product administered to animals or taken by humans within a 24-hour period. This test holds particular importance in determining the toxic characteristics of products intended for use in humans, animals, and agriculture. Despite the availability of numerous herbal medicinal...
Attitudes towards vaccines and intentions to vaccinate against COVID-19 among undergraduate students at the University of Zambia
August 2023
Negative attitudes regarding vaccines and unwillingness to accept vaccinations are major barriers to managing the COVID-19 pandemic. Therefore, this study assessed the attitudes towards vaccines and intentions to vaccinate against COVID-19 among undergraduate students at the University of Zambia. This cross-sectional study was conducted among undergraduate students from August to September 2021. Data were collected...
Microbial and physical evaluation of selected cough syrups sold at peripheral drug outlets in Bushenyi District, South Western Uganda
August 2023
Syrups, being non-sterile liquid pharmaceutical formulations, are prone to microbial contamination. The most common microbial contaminants are bacteria and fungi. Contamination of oral liquid pharmaceuticals makes them hazardous due to potential to cause infections, and may also change their physical, chemical, and organoleptic properties. This study assessed the microbial quality and physical characteristic parameters...
Synthesis of organic compounds using yellow yam (Dioscorea praehensilis) tyrosinase as catalyst
July 2023
The authors report the synthesis of some bioactive organic compounds which could be of pharmacological interest using Dioscorea praehensilis tyrosinase immobilized on calcium-alginate beads. The enzymatic synthesis of these compounds involved pyruvic acid as a source of carbonyl groups, ammonia and catechol. Catechol was used as substrate and a parent compound that supplied aromatic ring carbons for the reactions. The...
Variation of antioxidant and antibacterial activities of ethanolic extracts of propolis in three bee-keeping agro-ecological zones of Uganda
July 2023
Propolis is a resinous plant material collected by bees to defend their colony. This study evaluated the antibacterial and antioxidant activities of ethanolic extracts of Ugandan propolis in three bee-keeping agro-ecological zones. Antibacterial assays were performed on two Gram-positive (S. aureus and S. pneumoniae) and two Gram-negative (E. coli and P. aeruginosa) bacteria within a concentration range of ~1.6 to 100...
Effects of traditional remedy Sarenta and glibenclamide combination on hyperglycemia orally induced in rats
July 2023
Herbal preparations are commonly used by low-income populations to treat diabetes. The objective of this work was to evaluate interaction between Sarenta remedy with antidiabetic drug such as glibenclamide. Experimental study was carried out according to protocol described by Kambouche. Before giving different solutions on study, baseline blood glucose was taken using "One call plus" glucometer, then...
Assessment of antibiotics use and associated problems at Jimma Health Center, South West Ethiopia
July 2023
Misuse of antibiotics is the main cause for resistance development. The objective of this study is to assess patterns of antibiotics use and associated problems at Jimma Health Center. The study was conducted from February 25, 2016 to March 25, 2016. For the analysis of prescribing indicators retrospectively 295 patient charts that fulfills inclusion criteria were systematically selected from a total of 9800 charts from...
Genetic diversity of pvcsp and pvs25 in Plasmodium vivax isolates in malaria-endemic areas in Asia, Africa, and America: A systematic review
June 2023
Analysis of genetic diversity is an important tool for evaluating Plasmodium vivax drug resistance, relapse patterns, and vaccine development. P. vivax circumsporozoite protein (pvcsp) is involved in sporozoite binding to liver cells. The three pvcsp patterns, i.e., VK210, VK247, or P. vivax-like types, are indentified in P. vivax isolates, which are characterized by repeated sequences. The VK210 pattern is a major...
Assessment of pharmacy professionals’ knowledge and practice on the management and dispensing of investigational drugs in clinical trials
June 2023
In quality approach for the development of clinical research in Africa, the level of knowledge and practices of professionals influences the quality of the trial, the confidence of the sponsors in the performance of sites. We evaluated the management and dispensing of experimental drugs in Burkina Faso. From January to June 2018, we conducted a descriptive cross-sectional study with a sample of pharmacists and state...
A review of phylogeny, medicinal values, phytochemistry and toxicity of Sarcophyte piriei Hutch (Balanophoraceae)
June 2023
In recent years, plants have shown potential as sources of antimicrobial agents due to their immense phytochemical constituents, and there is a need to continuously search and develop potent antimicrobial agents to combat the growing threat of antimicrobial resistance worldwide. The challenges facing the utilization of ethnomedicine are lack of sufficient studies to ascertain their therapeutic use. Sarcophyte is a...
Relationship between vancomycin trough concentration and 24-h area under the curve concentration in Tunisian patients
June 2023
The 24-h area under the curve concentration (AUC24 h) is associated with better clinical and bacteriological response to vancomycin in patients with methicillin-resistant Staphylococcus aureus who achieve the target AUC24 h between 400 and 700 mg×h/L. Recent consensus recommends maintaining trough concentrations between 15 and 20 mg/mL as a convenient target to reach an AUC/minimum inhibitory concentration...
Assessment of antibiotics use and associated problems at Jimma Health Center, South West Ethiopia
April 2023
Misuse of antibiotics is the main cause for resistance development. The objective of this study is to assess patterns of antibiotics use and associated problems at Jimma Health Center. The study was conducted from February 25, 2016 to March 25, 2016. For the analysis of prescribing indicators retrospectively 295 patient charts that fulfills inclusion criteria were systematically selected from a total of 9800 charts from...
Bioactivities of Picrasma javanica Blume. leaf extract
March 2023
Picrasma javanica Blume. is locally known as Nilghanta. Traditionally, the plant is used as an anti-pyretic. The aim of this study was to determine the biological properties of P. javanica leaf extract. The writhing test and tail flick response were determined to assess peripheral and central analgesic activities, respectively. Castor oil was fed orally to induce diarrhea in the test animals. Paw edema method was...
Cannabis and regulatory science: A review of challenges in Africa
March 2023
To some Cannabis is antisocial anathema, to others it is a harmless sedative-hypnotic, or narcotic analgesic and to others it occupies a cultural position as religious sacrament. Some fear its use leads to psychosis and addiction; to others still it is a legal anomaly and should be decriminalized. Whatever the case may be, in Africa where Cannabis is a recreational drug. It is caught in a bizarrely legal and regulatory...
Prevalence and possible psychoactive effects of hair cream use among students
February 2023
In the last decade, there have been different mental health challenges among students due to academic stress, especially during examinations. This has led to the need to explore the relationship between psychoactive ingredients, behavioral responses and academic stress in relation to the use of hair creams. The objectives of the study were to identify hair creams containing psychoactive ingredients in use by female...
Anti-inflammatory and analgesic activities of methanolic extract of Elaeis guineensis Jacq. leaves (Arecaceae) and its fractions
February 2023
Elaeis guineensis Jacq. is an arborescent monocotyledon of the Arecaceae family. It is a plant originated from tropical rainforest of West Africa. For centuries, it has been a source of food and a natural remedy against several pathologies. The aim of the present research was to evaluate anti-inflammatory and analgesic activities of methanolic extract E. guineensis Jacq. (Arecaceae) leaves and phytochemical groups....
Acute and sub-acute toxicity evaluation of aqueous stem bark extract of Zanthoxylum Zanthoxyloides (Lam.) in male Albino Wistar rats
February 2023
Zanthoxylum zanthoxyloides has been used for decades in traditional medicine across West African countries to treat several ailments such as malaria and pain. However, sometimes it is used without information on its toxicity level. This present work aimed to explore the toxicity level of Zanthoxylum zanthoxyloides bark aqueous extract (AZZ) on albino Wistar rats after single and repeated administrations. For the acute...
In vitro inhibition of cyclooxygenases, anti-denaturation and antioxidant activities of Malian medicinal plants
February 2023
Cyclooxygenase 2 (COX-2) is involved in the production of prostaglandins that sustain the inflammatory process. Inflammatory cells release a number of reactive species. Furthermore, reactive oxygen species can initiate intracellular signaling cascades and enhance the expression of pro-inflammatory genes. The objective was to study the cyclooxygenase and protein denaturation inhibition and antioxidant activity of ten...
Acute toxicity and laxative effect of the aqueous extract of the leaves Crossopteryx febrifuga (Benth) in rats
January 2023
The leaves of Crossepteryx febrifuga (Euphorbiaceae) are commonly used in the Republic of Congo in traditional medicine as a laxative. The present study aims to justify the traditional use of C. febrifuga in the treatment of constipation. The acute toxicity of the aqueous extract was evaluated at the doses of 2000 and 5000 mg/kg in mice in accordance with the OECD (2001) guideline no. 423. The laxative activity of the...
Anti-viral compounds from Jatropha curcas seed extract with anti-HIV-1 and anti-SARS-CoV-2 action
January 2023
Many studies have dealt with the medicinal properties of Jatropha curcas; however, there are limited studies on the scope of its antiviral potential. This is a fact associated with the current challenges posed by HIV-AIDS and COVID-19, which has reinforced the need to expand the knowledge about its antiviral resource. Based on the search for natural products with anti-HIV-1 and anti-SARS-CoV-2 activities, this work...
Clinical Pharmacy in South Africa: Qualitative investigation of perspectives of practicing pharmacists
November 2022
The National Department of Health identified the need for Universal Health Coverage, highlighting improved access to quality healthcare in South Africa.Clinical pharmacists play a vital role in various settings, including medication safety, therapeutic drug monitoring and antimicrobial stewardship. Healthcare-related key performance indicators measures quality that ensure accountability, improve patient safety and...
Obesity related alterations in kidney function and plasma cytokines: Impact of sibutramine and diet in male Wistar rats
November 2022
Obesity is a global problem due to widespread consumption of high fat diet (HFD) with implications to well-being. This study was to investigate the modulatory effect of sibutramine and normal diet on obesity-induced alteration in kidney functions and adipokines in Wistar rats. Hundred rats were divided into four groups of 25 each and fed with either normal rat chow (NRC) (group I, control group, n=25) or HFD (n=75)....
In vivo studies of the immunomodulatory effect of aqueous extract of Artemisia herba alba
September 2022
Historically Artemisia herba alba (AHA) is widely used in traditional Moroccan medicine. Few studies have been carried out to confirm its traditional use, in particularly immunological studies and to the authors’ knowledge; no study has treated the in vivo immunomodulatory effect of AHA aqueous extracts. This work was established to assess the immunological effects of AHA, including the humoral and cellular...
Maternal-fetal repercussions of Angylocalyx oligophyllus leaves aqueous extract in pregnant rat
September 2022
Angylocalyx oligophyllus (Fabaceae) is a shrub used traditionally to treat diabetes mellitus and intestinal parasites. Although it is also used by pregnant women, no scientific study has yet revealed its effects on pregnancy. This work aimed to assess the toxic effects of A. oligophyllus leaves aqueous extract on pregnancy, reproduction and fetal development in pregnant rats. The acute toxicity of the A. oligophyllus...
Characterization of native, acetylated and enzymatically modified amura starch (Tacca involucrata) for tablet binding
August 2022
This research is aimed at producing alternative starch used for tablet binding from amura tuber. The microbiological load and physicochemical properties of native and modified amura starches were determined using plate counting method and standard method of BP. Amylose and amylopectin content of native and modified amura starches were determined using spectrophotometric method. Binding and disintegrant abilities of...
Evaluation of the pharmaceutical quality of two nutraceutical lysine products in South Africa
August 2022
Dietary supplements, particularly nutraceuticals, are an expanding sector on the South African market, especially since the beginning of the COVID-19 pandemic. However, regulatory authorities do not regulate nutraceuticals and concern arose regarding safety, quality and efficacy of the product reaching the end-user. The aim of the study was to evaluate the pharmaceutical quality, specifically the physical and the...
Dynamics of herbal medicine processing and production in Benue State Nigeria
July 2022
The aim of this study was to determine the knowledge base of traditional medicine practitioners (TMPs) in Benue State in relation to current good manufacturing practice for effective quality, safety, and increased economic value. A cross-sectional study was conducted among the TMPs using questionnaire. Information such as practice area, type of herbal medicine preparations, water quality, preservatives as well as...
Formulation and evaluation of gastro-retentive floating tablets of griseofulvin
June 2022
About 50% of an oral dose of griseofulvin passes through the gastro-intestinal tract unabsorbed and is excreted in faeces. Short residence time of the low soluble griseofulvin, in stomach and small intestine, limits its dissolution. Griseofulvin is highly soluble in acidic pH, and so a gastro-retentive floating matrix system was developed to control dissolution rate and thereby enhance solubility to develop an...
In vivo antiplasmodial activity of an aqueous extract of leafy stems of Ipomoea pes-caprea (L.) R.Br. in Swiss mice infected with Plasmodium berghei
June 2022
The study aimed to evaluate the in vivo antiplasmodial activity of an aqueous extract of aerial parts of Ipomoea pes-caprea in mice infected with Plasmodium berghei. Extracts of Ipomoea pes-caprea were obtained from the decoction of the dried leafy stem of the plant. The extracts obtained were used for the evaluation of the antiplasmodial activity which was done according to two methods: the Rane test was used to...
Development of novel preparation method for rapid release of paclitaxel as a dry powder for inhalation: A preparation method for dry powder inhalers
May 2022
The purpose of this experiment was to develop a novel dry powder inhalation preparation method. Paclitaxel dry powder for inhalation was prepared by spraying a paclitaxel-ethanol solution directly onto an inhalable lactose carrier. This process was carried out under a relatively low temperature, avoiding potential damage to the drug from exposure to high temperatures. After preparation, the particle morphology, size,...
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