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Somatrem

continues to be mired in persistent bioethical debate [A32292]. … Despite the ability of almost all contemporary recombinant growth hormones to cause definite and demonstrable increases in growth rate in patients who are administered the drug, the use of these agents

Estriol

It is however available in the United States by prescription filled only by compounding pharmacies.

Methysergide

Methysergide is used prophylactically in migraine and other vascular headaches and to antagonize serotonin in the carcinoid syndrome. … An ergot derivative that is a congener of lysergic acid diethylamide.

Vecuronium

Its lack of significant cardiovascular effects and lack of dependence on good kidney function for elimination as well as its short duration of action and easy reversibility provide advantages over, or

Ferumoxides

Sapropterin

Sapropterin (tetrahydrobiopterin or BH4) is a cofactor in the synthesis of nitric oxide. … It is also essential in the conversion of phenylalanine to tyrosine by the enzyme phenylalanine-4-hydroxylase; the conversion of tyrosine to L-dopa by the enzyme tyrosine hydroxylase; and conversion of

Oxitriptan

More study is needed to determine efficacy in treating depression. … 5-Hydroxytryptophan (5-HTP), also known as oxitriptan (INN), is a naturally occurring amino acid and metabolic intermediate in the synthesis of serotonin and melatonin. 5-HTP is sold over-the-counter in

Cresol

Ingestion of cresol induces toxicity in humans and can lead to burning of the mouth and throat, abdominal pain, and/or vomiting. … At concentrations normally found in the environment however, cresols do not pose any significant risk for the general population.

Asparaginase Escherichia coli

Asparaginase derived from _Escherichia coli_ (L-asparagine amidohydrolase, EC 3.5.1.1) is an enzyme responsible for the metabolism of L-asparagine, by catalyzing L-asparagine into L-aspartic acid and ammonia … Asparaginase from _E. coli_ has clinically shown to exhibit antitumor actions in models of leukaemias [A31996, A31997].

Amber

Amber is a plant/plant extract used in some OTC (over-the-counter) products. It is not an approved drug.