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The fixed-dose procedure (FDP), proposed in 1992 by the British Toxicology Society, is a method to assess a substance's acute oral toxicity. [ 1 ] [ 2 ] In comparison to the older LD 50 test developed in 1927, this procedure produces similar results while using fewer animals and causing less pain and suffering. [ 3 ]
Trazodone lacks any affinity for the muscarinic acetylcholine receptors, so does not produce anticholinergic side effects. mCPP, a non-selective serotonin receptor modulator and serotonin releasing agent , is an active metabolite of trazodone and has been suggested to possibly play a role in its therapeutic benefits.
Other reports list the lethal dose (LD50) at 24 to 30 mg per kilogram when given by IV. The LD50 is when half the dogs die at that dose, so the toxic dose may be a lot lower, and if your dog has a ...
In toxicology, the median lethal dose, LD 50 (abbreviation for "lethal dose, 50%"), LC 50 (lethal concentration, 50%) or LCt 50 is a toxic unit that measures the lethal dose of a given substance. [1] The value of LD 50 for a substance is the dose required to kill half the members of a tested population after a specified test duration.
Niaprazine (Nopron) – a drug related to this group but does not inhibit the reuptake of serotonin or the other monoamines. Medifoxamine (Clédial, Gerdaxyl) – could perhaps technically be said to belong to this group, as it is a serotonin–dopamine reuptake inhibitor and 5-HT 2A and 5-HT 2C receptor antagonist , but not grouped as such.
An atypical antidepressant is any antidepressant medication that acts in a manner that is different from that of most other antidepressants. Atypical antidepressants include agomelatine, bupropion, iprindole, mianserin, mirtazapine, nefazodone, opipramol, tianeptine, and trazodone.
In most rodents, the LD 50 is 1 mg/kg, but it can vary between species: from 0.12 mg/kg in the common vole (Microtus arvalis) to more than 10 mg/kg in the Cairo spiny mouse (Acomys cahirinus). For dogs the LD 50 is 0.075-0.25 mg/kg.
Up-and-down procedure (or method) for toxicology tests in medicine is an alternative to the LD 50 test, in which animals are used for acute toxicity testing. [ 1 ] [ 2 ] It requires fewer animals to achieve similar accuracy as the LD 50 test because animals are dosed one at a time. [ 3 ]