alexa Abstract | New Pharmacological Therapies for Treatment of Gastroesophageal Reflux Disease

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Gastroesophageal reflux disease (GERD) is a chronic, relapsing disorder characterized by recurrent symptoms of acid reflux with esophageal injury. It rarely resolves spontaneously, and it is associated with frequent recurrences. It has adverse impact on quality of life. A variety of medications have been used in GERD treatment, and acid suppression therapy is the mainstay of treatment for GERD. Although proton pump inhibitor is the most potent acid suppressant and provides good efficacy in esophagitis healing and symptom relief, about one-third of patients with GERD still have persistent symptoms with poor response to standard dose proton pump inhibitors (PPI). These are generally well tolerated but there are associated with minor side effects such as headache, diarrhea, and abdominal pain. Newer formulations of PPI which have faster and longer duration of action and potassium-competitive acid blocker, a newer acid suppressant, are also in developing stages. Transient lower oesophageal sphincter relaxation (TLESR) is an important factor behind the occurrence of reflux, and preclinical studies have identified gamma aminobutyric acid (GABA) type B receptor (GABAB) agonists and metabotropic glutamate receptor 5 (mG1uR5) modulators as candidate drugs for modifying TLESR. Another novel therapeutic agent has focused on the underlying mechanisms of GERD, such as motility disorder, mucosal protection, and esophageal hypersensitivity are also under clinical trials

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Author(s): Rahul Saini, Shanmukhananda M. P., Sunaina

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