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Synonyms: ACT451840 | Actelion-451840
Compound class: Synthetic organic
Comment: ACT-451840 is an investigational antimalarial drug, selected from a new class of compounds identified from a phenotypic screen [2,4]. Chemically it is a piperazine-containing compound.
The Malaria tab on this ligand page provides additional curator comments of relevance to the Guide to MALARIA PHARMACOLOGY.
|Guide to Malaria Pharmacology Comments|
|ACT-451840 has activity against P. falciparum (asexual and sexual blood stages) and clinical isolates of P. vivax (asexual blood stage) . The same study used an in vitro parasite reduction ratio (PRR) assay to show that ACT-451840 has a fast parasite killing profile against P. falciparum (log PRR of 4.4) and is similar to that of chloroquine, including no lag phase in the killing curve. The parasite clearance time (PCT) to kill 99.9% of the initial population is 28 hours for ACT-451840 and is comparable to that of artemisinin and chloroquine.
The structure is one of those claimed in patent WO2011083413 .
Potential Target/Mechanism Of Action: ACT-451840 is reported to target the P. falciparum multidrug resistance protein 1 (PfMDR1; PF3D7_0523000) [4-5,8].
|Target Candidate Profiles|
|Profile||Intended Use||Target Stage||Comment||References|
|TCP-1||reduce parasite burden||asexual blood stages||7|