U.S. Department of Health & Human Services Divider Arrow National Institutes of Health Divider Arrow NCATS

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Showing 11 - 20 of 22 results

Status:
Other

Class (Stereo):
CHEMICAL (ABSOLUTE)

Niclosamide is an antihelminth used against tapeworm infections. It may act by the uncoupling of the electron transport chain to ATP synthase. The disturbance of this crucial metabolic pathway prevents creation of adenosine tri-phosphate (ATP), an essential molecule that supplies energy for metabolism. Niclosamide works by killing tapeworms on contact. Adult worms (but not ova) are rapidly killed, presumably due to uncoupling of oxidative phosphorylation or stimulation of ATPase activity. The killed worms are then passed in the stool or sometimes destroyed in the intestine. Niclosamide may work as a molluscicide by binding to and damaging DNA. Niclosamide is used for the treatment of tapeworm and intestinal fluke infections: Taenia saginata (Beef Tapeworm), Taenia solium (Pork Tapeworm), Diphyllobothrium latum (Fish Tapeworm), Fasciolopsis buski (large intestinal fluke). Niclosamide is also used as a molluscicide in the control of schistosomiasis. Niclosamide was marketed under the trade name Niclocide, now discontinued.
Sulfanitran is a sulfonamide antiinfective drug. It was approved for veterinary use as an aid in the treatment of coccidiosis caused by E. tenella, E. necatrix, and E. acervulina..
Status:
Possibly Marketed Outside US
Source:
UK NHS:Levamisole hydrochloride
Source URL:

Class (Stereo):
CHEMICAL (RACEMIC)



Tetramisole is a racemic mixture of levamisole and its enantiomer dexamisole, which is a specific inhibitor of tissue non-specific alkaline phosphatase (TNAP). This drug is used in veterinary to treat of ascariasis and other worm infections e.g hook-"ms. And also is used as an immunostimulant (in that case it is used for longer periods of time).
Nitromide is an anti-parasitic agent. In combination with sulfanitran (Unistat) it was used as an aid in the prevention of coccidiosis caused by Eimeria tenella, E. necatrix, and E. acervulina.
Status:
Possibly Marketed Outside US
Source:
TRAMISOL X-TRA by American Cyanamid
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)



Famphur is an insecticide and antihelmenthic. Famphur is approved in cattle as a pour-on (NADA 34-697; 21 CFR 524.900) and as medicated feed (NADA 34-266; 21 CFR 558.254). It is a component of the FDA-approved TRAMISOL X-TRA Combination Paste, used for the treatment of cattle infected with the following parasites: Stomach worms (Haemonchus, Trichostrongylus, Ostertagia), intestinal worms (Trichostrongylus, Cooperia, Nematodirus, Bunostomum, Oesophagostomum), lungworms (Dictyocaulus), cattle grubs (Hypoderma), biting lice (Bovicola), and sucking lice (Linognathus, Solenoptes). Famphur is a cholinesterase-inhibiting drug.
Levofloxacin is the L-isomer of the racemate, ofloxacin, a quinolone antimicrobial agent. Levofloxacin is used for oral and intravenous administration. Levofloxacin is sold under brand name levaquin and is used to treat infections in adults (≥18 years of age) caused by designated, susceptible bacteria such as, pneumonia: nosocomial and community acquired; skin and skin structure infections: complicated and uncomplicated; chronic bacterial prostatitis; inhalational anthrax. In addition this drug is used to treat plague; urinary tract infections: complicated and uncomplicated; acute pyelonephritis; acute bacterial exacerbation of chronic bronchitis and acute bacterial sinusitis. Levofloxacin, like other fluoroquinolones, inhibits the bacterial DNA gyrase, halting DNA replication. This results in strand breakage on a bacterial chromosome, supercoiling, and resealing. In addition, levofloxacin inhibits a bacterial type II topoisomerase.
Status:
Investigational
Source:
INN:dexamisole [INN]
Source URL:

Class (Stereo):
CHEMICAL (ABSOLUTE)

Dexamisole is the dextro-isomer of tetramisole, a broad spectrum anthelmintic. Dexamisole significantly improves mood and psychotonicity. In adrenergically innervated blood vessels dexamisole inhibits neuronal uptake of norepinephrine more than levamisole. Dexamisole antagonized the reserpine-induced hypothermia but was ineffective in the apomorphine-induced hypothermia in mice. It reduced ptosis produced by reserpine in mice but this effect was very weak. The effect of dexamisole on the amphetamine-induced hyperactivity depended upon the animal species. Dexamisole reduced the duration of immobility in the despair test in rats. It did not modify the 5-HTP-induced head twitch reaction in mice but produced stimulation of the hind limb flexor reflex in spinal rats. The latter effect was blocked by phenoxybenzamine but not by cyproheptadine and metergoline. Dexamisole also exerted a sedative and hypothermic effect. The above findings indicate that the pharmacological profile of dexamisole resembles in some respects that of tricyclic antidepressants; they also point out that this drug has a central noradrenergic activity.
Levamisole (the trade name Ergamisol), an anthelminthic drug with immunological properties. It also has antitumor activity when administered with 5-fluorouracil in patients with Duke's C colorectal carcinoma; however, this use was discontinued. The mechanism of the antitumor effect is unknown but has been postulated to be related to levamisole's immunomodulatory properties. Levamisole can stimulate antibody formation to various antigens, enhance T-cell responses by stimulating T-cell activation and proliferation, potentiate monocyte and macrophage functions including phagocytosis, chemotaxis and increases motility, adherence, and chemotaxis. Levamisole inhibits alkaline phosphatase and possesses cholinergic activity. The mechanism of action of levamisole as an antiparasitic agent, for example, to treat ascariasis, relates to its agonistic activity to L-subtype nicotinic acetylcholine receptors in nematode muscles. In addition, levamisole was studied for preventing relapses of the steroid-sensitive idiopathic nephrotic syndrome (SSINS). It was shown, that alone or in combination with steroids, the drug can prolong the time to relapse and prevented recurrence during one year of treatment. However, these studies also were also discontinued.
Levamisole (the trade name Ergamisol), an anthelminthic drug with immunological properties. It also has antitumor activity when administered with 5-fluorouracil in patients with Duke's C colorectal carcinoma; however, this use was discontinued. The mechanism of the antitumor effect is unknown but has been postulated to be related to levamisole's immunomodulatory properties. Levamisole can stimulate antibody formation to various antigens, enhance T-cell responses by stimulating T-cell activation and proliferation, potentiate monocyte and macrophage functions including phagocytosis, chemotaxis and increases motility, adherence, and chemotaxis. Levamisole inhibits alkaline phosphatase and possesses cholinergic activity. The mechanism of action of levamisole as an antiparasitic agent, for example, to treat ascariasis, relates to its agonistic activity to L-subtype nicotinic acetylcholine receptors in nematode muscles. In addition, levamisole was studied for preventing relapses of the steroid-sensitive idiopathic nephrotic syndrome (SSINS). It was shown, that alone or in combination with steroids, the drug can prolong the time to relapse and prevented recurrence during one year of treatment. However, these studies also were also discontinued.

Showing 11 - 20 of 22 results