Emetine dihydrochloride hydrate is an anti-protozoal drug previously used for intestinal and tissue amoebiasis.
Mefloquine hydrochloride is a quinoline antimalarial drug that is structurally related to the antiarrhythmic agent quinidine. IC50 Value: 1 microM ( for K+ channel) [1]Target: AntiparasiticMefloquine is widely used in both the treatment and prophylaxis of Plasmodium falciparum malaria. MQ can induces oxidative stress in vitro. Evidence indicates that reactive oxygen species (ROS) may be used as a therapeutic modality to kill cancer cells [2].in vitro: Mefloquine inhibitedKvLQT1/minK channel currents with an IC50 value of approximately 1 microM. Mefloquine slowed the activation rate of KvLQT1/minK and more block was evident at lower membrane potentials compared with higher ones. HERG channel currents were about 6-fold less sensitive to block by mefloquine (IC50 = 5.6 microM). Block of HERG displayed a positive voltage dependence with maximal inhibition obtained at more depolarized potentials [1]. MQ has a highly selective cytotoxicity that inhibits PCa cell growth. MQ-mediated ROS simultaneously downregulated Akt phosphorylation and activated extracellular signal-regulated kinase (ERK), c-Jun N-terminal kinase (JNK) and adenosine monophosphate-activated protein kinase (AMPK) signaling in PC3 cells [2]. in vivo: Pregnant rats were treated orally with AS (15 and 40 mg/kg body weight (bwt)/day), MQ (30 and 80 mg/kg bwt/day) and AS/MQ (15/30 and 40/80 mg/kg bwt/day) on days 9-11 post coitum (pc). The dams were euthanized on day 12 pc and gestational and embryos histological parameters were evaluated [3].Clinical trial: Activity of Mefloquine Against Urinary Schistosomiasis . Phase 2
Dihydroartemisinic acid (Dihydroqinghao acid), isolated as a natural product from Artemisia annua, is a biosynthetic precursor to the antimalarial agent Artemisinin[1].
Ronidazole is an antiprotozoal agent.Target: AntiparasiticRonidazole is an antiprotozoal agent used in veterinary medicine. It may also have use for the treatment of Tritrichomonas foetus infection in cats. Ronidazole kills T foetus at concentrations > 0.1 μg/mL in vitro. Ronidazole (30 or 50 mg/kg) cures T foetus infection for follow-up durations of 21 to 30 weeks after treatment in 10/10 cats [1].
Cycloguanil hydrochloride, the active metabolite of Proguanil, acts on malaria schizonts in erythrocytes and hepatocytes[1].
Cipargamin (NITD609) is an potent antimalarial compound, with IC50 of appr 1 nM against P. falciparum.
BPH-715 is a bisphosphonate, inhibits Plasmodium liver-stage growth, with an IC50 of 10 μM for Plasmodium exoerythrocytic forms in HepG2 cells[1].
Praziquantel D11 is the deuterium labeled Praziquantel, which is an anthelmintic.
Closantel is a salicylanilide anthelmintic compound; exhibits different anthelmintic spectra and apparent toxicity in mammals.
Ornidazole(Ro 7-0207) is a 5-nitroimidazole derivative with antiprotozoal and antibacterial properties against anaerobic bacteria. Target: Antibacterial; AntiparasiticOrnidazole is a drug that cures some protozoan infections. Ornidazole 1 g/day is effective for the prevention of recurrence of Crohn's disease after ileocolonic resection [1]. Ornidazole is converted to reduction products that interact with DNA to cause destruction of helical DNA structure and strand leading to a protein synthesis inhibition and cell death in susceptible organisms [2].
Dinotefuran is an insecticide of the neonicotinoid class, its mechanism of action involves disruption of the insect's nervous system by inhibiting nicotinic acetylcholine receptors.Target: nAChR, Antiparasitic
Proguanil is an antimalarial prodrug that is metabolized to the active metabolite cycloguanil, a dihydrofolate reductase (DHFR) inhibitor.
KDU731, an orally active C. parvum PI4K inhibitor with an IC50 value of 25 nM, blocks Cryptosporidium infection in vitro and in vivo[1][2]. KDU731 is a promising drug candidate for the treatment of diarrhea caused by Cryptosporidium and meets a broad range of safety[2].
PF 1022A is a N-methylated cyclooctadepsipeptides (CODPs) with strong anthelmintic properties; acts as an ionophore.IC50 value:Target: PF 1022A showed strong anthelmintic activities against Ascaridia galli in chickens [1]. PF1022A is a novel anthelmintic that binds to the latrophilin-like transmembrane receptor important for pharyngeal pumping in nematodes. Furthermore, PF1022A binds to GABA receptors, which might contribute to the anthelmintic effect. Like other cyclodepsipeptides, PF1022A acts as an ionophore [2]. In vitro, PF1022A showed low activity on embryonation but significantly inhibited egg hatch (10 and 100 μg/ml), whereas albendazole (10 and 100 μg/ml) revealed statistically significant inhibitions of both embryonation and egg hatch. PF1022A (1-100 μg/ml) completely inhibited larval movement at most examination points [3].
Broxyquinoline is an antiprotozoal agent.
Diethyltoluamide is the most common active ingredient in insect repellents. It is intended to provide protection against mosquitoes, ticks, fleas, chiggers, leeches, and many other biting insects.
Ethopabate is an antiprotozoal agent which has been widely used to treat and prevent coccidiosis in chickens.
Avermectin B1 (Abamectin) is a widely used insecticide and anthelmintic. IC50 Value: N/ATarget: AntiparasiticAvermectin B1 is a mixture of avermectins containing more than 80% avermectin B1a and less than 20% avermectin B1b. These two components, B1a and B1b have very similar biological and toxicological properties. The avermectins are insecticidal and antihelmintic compounds derived from various laboratory broths fermented by the soil bacterium Streptomyces avermitilis. Avermectin B1 is a natural fermentation product of this bacterium.
Artemisone (Artemifone) is a potent and semi-synthetic antimalarial, inhibits P. falciparum strains, with a mean IC50 of 0.83 nM[1].
Levamisole Hcl is an anthelmintic and immunomodulator belonging to a class of synthetic imidazothiazole derivatives.IC50 value: Target: Levamisole suppresses the production of white blood cells, resulting in neutropenia and agranulocytosis. With the increasing use of levamisole as an adulterant, a number of these complications have been reported among cocaine users [1] [2]. Levamisole reversibly and noncompetitively inhibits most isoforms of alkaline phosphatase (e.g., human liver, bone, kidney, and spleen) except the intestinal and placental isoform [3]. It is thus used as an inhibitor along with substrate to reduce background alkaline phosphatase activity in biomedical assays involving detection signal amplification by intestinal alkaline phosphatase, for example in in situ hybridization or Western blot protocols. It is used to immobilize the nematode C. elegans on glass slides for imaging.
Cratoxylone, isolated from the bark of Cratoxylum Cochinchinense, possesses antiplasmodial activity[1][2].
Fexinidazole is a 5-nitroimidazole drug currently in clinical development for the treatment of human sleeping sickness (human African trypanosomiasis [HAT]), caused by infection with species of the protozoan parasite Trypanosoma brucei. Target: Antiparasiticin vivo: Fexinidazole shows dose-related efficacy in the T. b. rhodesiense (STIB900) acute mouse model at intraperitoneal (i.p.) doses of 20 to 50 mg/kg/day and oral (per os [p.o.]) doses of 25 to 100 mg/kg/day given on four consecutive days, with 100 mg/kg/day p.o. being 100% curative. Fexinidazole is shown to be effective in the GVR35 mouse model, which mimics the advanced and fatal stage of the disease, when parasites have disseminated into the brain. [1]
Dimetridazole is a nitroimidazole class drug that combats protozoan infections.Target: AntiparasiticDimetridazole (DMZ) is a 5-nitroimidazole drug traditionally used for the prevention and treatment of histomoniasis in turkeys, trichomoniasis in pigeons, genital trichomoniasis in cattle and the prevention and treatment of haemorrhagic enteritis in pigs.
Phenothrin is a synthetic pyrethroid that kills adult fleas and ticks. It has also been used to kill head lice in humans.
Tafenoquine (WR 238605) is an 8-aminoquinoline. Tafenoquine is an anti-malarial prophylactic agent[1].
Temefos is an organophosphate larvicide, used to treat water infested with disease-carrying insects including mosquitoes, midges, and black fly larvae. Temefos affects the central nervous system through inhibition of cholinesterase, results in death before reaching the adult stage.
Nifurtimox, an antiprotozoal agent, which is generally used for the treatment of infections with Trypanosoma cruzi, has been used in the therapy of neuroblastoma. Nifurtimox affects enzyme activity of lactate dehydrogenase (LDH).
Ivermectin is a widely used antiparasitic agent in human and veterinary medicine. It is a positive allosteric effector of P2X4 and the α7 neuronal nicotinic acetylcholine receptor (nAChRs).
Hydroxychloroquine sulfate is a synthetic antimalarial drug which can also inhibit Toll-like receptor 7/9 (TLR7/9) signaling.