Saturday, July 11, 2026

Drug profile · INN

loperamide

loperamide (GASTREX) is a mu opioid receptor agonist. Associated with Lacuna Pharma Pty Ltd.

TGA: approved NMPA: clinical trials
Patents linked 0
Pipeline programs 13
News articles 0
Drug details — loperamide

Quick answer

loperamide (GASTREX) is a mu opioid receptor agonist. Associated with Lacuna Pharma Pty Ltd.

Key facts

INN loperamide
Brand GASTREX
Mechanism Mu opioid receptor agonist

Mechanism of action

Mu opioid receptor agonist

Approval history

Authority Status Date
TGA approved
NMPA clinical trials

Pipeline programs

  1. BoWell - Sb252 Phase 3 · Biocodex · Non-constipated Irritable Bowel Syndrome (IBS)
  2. Household-based water treatment with NADCC tablets Phase 3 · United Therapeutics Europe · Diarrhoea
  3. Loperamide Phase 3 · Chengdu University of · Diarrhea-predominant Irritable Bowel Syndrome
  4. Loperamide Phase 3 · Chinese Academy of · Diarrhea-predominant Irritable Bowel Syndrome
  5. ZWI-ZW25-301 Phase 3 · Jazz Pharmaceuticals Ireland · Gastroesophageal Adenocarcinoma (GEA)
  6. Furoic acid loperamide hydrochloride cream Phase 2 · Universal Integrated · Eczema
  7. Bioequivalence clinical trial of two formulations of loperamide. Phase 1 · Tillomed Laboratories · Healthy volunteers
  8. Bioequivalence clinical trial of two formulations of loperamide. Phase 1 · Tillomed Laboratories · Healthy volunteers

Frequently asked questions

What is loperamide?

loperamide (GASTREX) is a mu opioid receptor agonist. Associated with Lacuna Pharma Pty Ltd.

What is the brand name for loperamide?

GASTREX is a marketed brand name for loperamide. Check FDA Drugs@FDA for the current US label holder and prescribing information.