Novel Antimalarial drug from India completes Phase I trials

The dwindling efficacy of commonly used antimalarials has contributed substantially to the resurgence of
malaria during last three decades. Although new antimalarials have appeared in the market during this time, none has yet supplemented chloroquine. Thus there has been a need for continued efforts on new antimalarial drug development.

The Central Drug Research Institute has developed a novel antimalarial drug which was given an in house name “Compound 97/78”. CDRI 97/78 has shown efficacy in animal models of falciparum malaria. Recently, it was tested for the first time in-human phase I trial in healthy volunteers. In the study, the compound was found to be well tolerated by healthy volunteers. The few adverse events noted were of grade 2 severity, not requiring intervention and not showing any dose response relationship.

Compound CDRI 97/78, a fully synthetic 1,2,4 trioxane derivative has been identified for development as a viable alternative to artemisinine derivatives for use against drug resistant P. falciparum and cerebral malaria cases. Clinical development of this compound is being pursued under Licensing agreements with IPCA Pharmaceuticals Ltd., Mumbai

The Central Drug Research Institute (CDRI) is a multidisciplinary research laboratory in Lucknow, India which has been the leader in new antimalarial drug development. Its objective is to develop new blood schizontocidal antimalarials / drug combinations for control of drug resistant parasites, development of new safer Gametocytocidal, Prophylactic and Anti-relapse agents, harnessing of malaria parasite genome for identification of new drug targets, molecular mechanism of drug action, biochemical markers for characterization of resistant parasites, evaluation of immuno-prophylactic agents, development of newer in vitro assay / tests for parasiticidal activity.

References:
http://www.ncbi.nlm.nih.gov/pubmed/24800100
http://www.cdriindia.org/parasitic2.htm
http://www.cdriindia.org/malaria.htm

The Arogyada
www.arogyada.in

Exposure to mosquito coil smoke may be a risk factor for lung cancer

A recent Indian study highlighted the presence of carcinogenic Polycyclic Aromatic Hydrocarbons

(PAHs)  in the emissions, indicating the potential risks associated with the inhalation of coil smoke.

Another potent lung carcinogen called bischloromethyl ether (BCME), has also been reported by researchers based in the US.

A case control study based in Taiwan, where mosquito coil usage has high prevalence as in India, proved that smoke from mosquito coils may be a risk factor for lung cancer. This study stemmed out of the observation that about 50% of lung cancer deaths in Taiwan are not related to cigarette smoking.

Mosquito coil smoke exposure was more frequent in lung cancer patients than controls (38.1% vs.17.8%; p < 0.01). Risk of lung cancer was significantly higher in frequent burners of mosquito coils (more than 3 times per week) than nonburners (adjusted odds ratio = 3.78; 95% confidence interval- 1.55-6.90). Those who seldom burned mosquito coils (less than 3 times per week) also had a significantly higher risk of lung cancer (adjusted odds ratio = 2.67; 95% confidence interval- 1.60-4.50).

This shows that mosquito coils used widely, even in urban households in India present a significant risk of developing lung cancer. As per the current practice, mosquito coils are freely marketed in India and there is no warning issued for regular consumers on its health risks.

The Arogyada
www.arogyada.in