3 results on '"Lokhesh C. Anbalagan"'
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2. Management of Acute Aluminum Phosphide Poisoning: Has Anything Changed?
- Author
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Navneet Arora, Lokhesh C. Anbalagan, and Ashok Kumar Pannu
- Subjects
medicine.medical_specialty ,Phosphines ,medicine.medical_treatment ,Antidotes ,Clinical Biochemistry ,Pharmaceutical Science ,Cochrane Library ,Case fatality rate ,medicine ,Humans ,Multicenter Studies as Topic ,Pharmacology (medical) ,Pesticides ,Lethal toxin ,Aluminum Compounds ,Intensive care medicine ,Antidote ,Severe toxicity ,Toxidrome ,business.industry ,Biochemistry (medical) ,medicine.disease ,Glucose ,Aluminum phosphide ,Lipid emulsion ,business - Abstract
Due to its easy availability, rapid and severe toxicity, and no specific antidote, aluminum phosphide has emerged as a lethal toxin, commonly used for suicidal intent in agricultural communities. Despite various advances in medicine, this compound’s toxicity is poorly understood, and it still has a very high case fatality rate with no definitive treatment options available. This review aims to understand the mechanism of toxicity, clinical toxidrome of acute aluminum phosphide poisoning, and the available therapeutic options, including recent advances. A literature review was performed searching PubMed, EMBASE Ovid, and Cochrane Library, using the following search items: (“aluminum phosphide poisoning” OR “aluminum phosphide poisoning toxicity” OR “aluminum phosphide ingestion”) AND (“management” OR “therapy” OR “treatment”). Selected articles were discussed amongst all the authors to shape this review. High case fatality rate and lack of any specific antidote are persisting challenges. Therapeutic measures need to be implemented from all fronts – reducing easy access to the poison, developing less toxic alternatives for use as a pesticide, and more studies directed at developing an effective reversal agent for phosphine. The advent of promising agents like glucose-insulin-potassium infusion and lipid emulsion is a new ray of hope in the complete recovery in this fatal poisoning. The need of the hour is to find an agent that rapidly and effectively reverses aluminum phosphide's toxic effects. Large multicenter controlled trials are required to establish the role of glucose-insulin-potassium and lipid emulsion.
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- 2021
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3. Towards Eradication of Malaria: Is the WHO’s RTS,S/AS01 Vaccination Effective Enough?
- Author
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Lokhesh C. Anbalagan, Navneet Arora, and Ashok Kumar Pannu
- Subjects
Pediatrics ,medicine.medical_specialty ,Population ,malaria ,circumsporozoite ,Review ,Cochrane Library ,03 medical and health sciences ,WHO ,0302 clinical medicine ,vaccine ,parasitic diseases ,Medicine ,030212 general & internal medicine ,education ,education.field_of_study ,biology ,business.industry ,Malaria vaccine ,030503 health policy & services ,Health Policy ,Public health ,Public Health, Environmental and Occupational Health ,RTS,S ,Plasmodium falciparum ,medicine.disease ,biology.organism_classification ,pre-erythrocytic ,Vaccination ,RTS‚S/AS01 ,0305 other medical science ,business ,RTS‚S ,Malaria - Abstract
Background Recent advances in mosquito eradication and antimalarial treatments have reduced the malaria burden only modestly. An effective malaria vaccine remains a high priority, but its development has several challenges. Among many potential candidates, the RTS,S/AS01 vaccine (MosquirixTM) remains the leading candidate. Objective and method This review aims to understand the advances in the RTS,S/AS01 vaccine, and future comments regarding the vaccine's effectiveness in malaria eradication. Literature review for the past five decades was performed searching PubMed, EMBASE Ovid, and Cochrane Library, with using the following search items: ("malaria" OR "WHO's malaria" OR "Plasmodium falciparum" OR "RTS,S" OR "RTS,S/AS01" OR "RTS,S/AS02" OR "pre-erythrocytic malaria" OR "circumsporozoite" OR "Mosquirix") AND ("vaccine" OR "vaccination"). Results RTS,S/AS01, a recombinant pre-erythrocytic vaccine containing Plasmodium falciparum surface-protein (circumsporozoite) antigen, is safe, well-tolerated, and immunogenic in children. Three doses, along with a booster, have a modest efficacy of about 36% in children (age 5-17 months) and about 26% in infants (age 6-12 weeks) against clinical malaria during a 48-month follow-up. However, the efficacy varies among population subgroups and with the parasite strain, it reduces without a booster and offers protection for a limited duration. Because of its potential cost-effectiveness and positive public health effect, the vaccine is being investigated in a pilot program for mortality benefits and broader deployment. Conclusion The RTS,S/AS01 vaccine prevents malaria; however, it should be considered another addition to the malaria-control program and not as an eradication tool because of its relatively low to modest efficacy.
- Published
- 2021
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