Drug class

Opioid Antagonists, Peripherally-Acting

Peripherally-acting opioid antagonists—frequently designated as peripherally acting mu-opioid receptor antagonists (PAMORAs)—are a class of therapeutic agents designed to selectively inhibit opioid receptors in peripheral tissues, particularly within the gastrointestinal tract, with minimal to no penetration across the blood-brain barrier. Read more about Opioid Antagonists, Peripherally-Acting

11 drugs in this class 9 manufacturers

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Drugs in Opioid Antagonists, Peripherally-Acting

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ALVIMOPAN

OPIOID ANTAGONISTS · POSTOPERATIVE ILEUS
Hikma Pharmaceuticals USA
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About Opioid Antagonists, Peripherally-Acting.

Peripherally-acting opioid antagonists—frequently designated as peripherally acting mu-opioid receptor antagonists (PAMORAs)—are a class of therapeutic agents designed to selectively inhibit opioid receptors in peripheral tissues, particularly within the gastrointestinal tract, with minimal to no penetration across the blood-brain barrier.

By blocking local opioid binding without counteracting opioid-mediated central analgesia or precipitating central withdrawal, they restore gastrointestinal motility and secretion.

The class is primarily used to treat opioid-induced constipation in adult patients with chronic non-cancer or advanced illness pain, as well as to accelerate the recovery of gastrointestinal function following bowel resection surgery.