Drug class

Antidiarrheal - Tryptophan Hydroxylase Inhibitor

Antidiarrheal tryptophan hydroxylase inhibitors are a targeted therapeutic class of medications designed to manage refractory diarrhea driven by excess peripheral serotonin production. Read more about Antidiarrheal - Tryptophan Hydroxylase Inhibitor

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About Antidiarrheal - Tryptophan Hydroxylase Inhibitor.

Antidiarrheal tryptophan hydroxylase inhibitors are a targeted therapeutic class of medications designed to manage refractory diarrhea driven by excess peripheral serotonin production.

While the official FDA Established Pharmacologic Class is simply "tryptophan hydroxylase inhibitor," commercial compendia classify the agent under this combined functional heading.

Mechanistically, these agents inhibit tryptophan hydroxylase, the rate-limiting enzyme in serotonin biosynthesis, which suppresses peripheral serotonin production and normalizes serotonin-mediated gastrointestinal motility and intestinal fluid secretion.

Currently represented in clinical practice by telotristat ethyl, this class is primarily indicated for treating carcinoid syndrome diarrhea in adult patients with neuroendocrine tumors whose symptoms remain inadequately controlled by somatostatin analog therapy.