Showing posts with label Drug-resistance. Show all posts
Showing posts with label Drug-resistance. Show all posts

Wednesday, 12 July 2023

Enhanced Antimalarial Therapy Using Mefloquine and Artesunate in the Treatment of Uncomplicated Plasmodium falciparum| Chapter 5 | New Advances in Medicine and Medical Science Vol. 8

 The current study proposed to investigate hopeful alternative regimens of artesunate-mefloquine with revised efficacy to deal with multidrug resistant P. falciparum. Malaria-accompanying mortality has wonderfully reduced during the last two decades because the introduction of artemisinin-located combination remedy (ACT). Data from the previously written article on the clinical efficiency of the three-day artesunate-mefloquine blend in the Thai-Myanmar borders during 2008-2009 were secondhand for pharmacokinetic-pharmacodynamic (PK/PD) analysis. All subjects were treated with a three-era combination of artesunate-mefloquine. Population PK-PD models were grown. Data from clinical remarks were used to validate the grown models. Based on mefloquine sensitivity, patient adherence, and dependent biomass, simulations of the clinical productiveness of alternative mefloquine regimens were completed activity. The created PK/PD models are well described accompanying data from dispassionate observations. For mefloquine-opposing P. falciparum, a three-day standard menu of artesunate-mefloquine is suitable (>50% efficacy) only when the level of bootlicker sensitivity was < 1.5-fold of the halt level (IC50 < 36 nM). For mefloquine-sensitive deadbeats with IC50 < 23.19 nM (0.96-fold), all procedures provided satisfactory productiveness. In the isolates with IC50 of 24 nM, regime-I is recommended. Curative situation criteria for mefloquine and artesunate were C336h (>408 ng.mL-1) or Cmax/IC50 (>130.1 g.m/M) and Cmax/IC50 (>381.2 g.m/M), individually. A three-day artesunate-mefloquine is suitable for mefloquine-opposing P. falciparum with IC50 of < 36 nM. Efficacy of the shortened dose procedures is satisfactory only when IC50 was < 24 nM.

Author(s) Details:

Teerachat Saeheng,
Center of Excellence in Pharmacology and Molecular Biology of Malaria and Cholangiocarcinoma, Chulabhorn International College, 99 moo 18, Phaholyothin Road, Thammasat University (Rangsit Campus), Klongneung, Klongluang District, Pathumthani-12121, Thailand.

Kesara Na-Bangchang,
Center of Excellence in Pharmacology and Molecular Biology of Malaria and Cholangiocarcinoma, Chulabhorn International College, 99 moo 18, Phaholyothin Road, Thammasat University (Rangsit Campus), Klongneung, Klongluang District, Pathumthani-12121, Thailand and Drug Discovery and Development Center, Office of Advanced Science and Technology, 99 Moo 18, Phaholyothin Road, Thammasat University (Rangsit Campus), Klongneung, Klongluang District, Pathumthani-12121, Thailand.

Please see the link here: https://stm.bookpi.org/NAMMS-V8/article/view/11073

Wednesday, 12 April 2023

Emergence of Drug-resistant Problem by Staphylococcus aureus: A Review | Chapter 5 | Research Advances in Microbiology and Biotechnology Vol. 4

 Staphylococcus aureus also-known bacteria are guide numerous infectious ailments. The habitats of Staphylococcus aureus exist in nursing homes, homes, parks, schools etc. Some established antibiotics cannot eradicate Staphylococcus aureus because many antibiotic-resistant genes were moved in bacteria. Thus, many researchers provide their efforts to eliminate drug-opposing Staphylococcus aureus. This review illustrates features of Staphylococcus aureus and the main warning derived from the drug-opposing strains, such as methicillin- and vancomycin-resistant Staphylococcus aureus. The review still highlights the plight in ruling drug resistance caused by Staphylococcus aureus.

Author(s) Details:

Zhu Li,
Guang Dong Medical University, Zhanjiang, China.

Please see the link here: https://stm.bookpi.org/RAMB-V4/article/view/10131

Sunday, 12 September 2021

A Brief Study of Natural Drug Camptothecin | Chapter 6 | New Innovations in Chemistry and Biochemistry Vol. 1

 The natural alkaloid 20-(S)-Camptothecin (CPT) is derived from the bark of the Camptotheca acuminata tree (Chinese happy tree). It works as a DNA topoisomerase 1 toxin with intriguing anticancer properties, but its application is restricted due to low stability and unexpected drug-drug interactions. It has been widely employed in cancer therapy since the late twentieth century, and because extraction yields from plant tissues are limited, multiple synthetic approaches have been devised to meet the increased demand for CPT. SAR investigations have also aided the creation of more potent CPT analogues, such as topotecan and irinotecan. Sadly, resistance has already developed in a number of tumour lines. More research is needed to better understand the relationship between substituents and resistance, as well as the clinical implications of relevant gene polymorphisms. Modifying the delivery mechanism to promote tumour cell absorption and reduce toxicity is one of the most recent study efforts [1].


Author (S) Details

Seema Manchanda
B. K. Birla College, Kalyan, Maharashtra, India.

View Book :- https://stm.bookpi.org/NICB-V1/article/view/3349