GLP-1 may induce sodium excretion by blocking sodium reabsorption in the proximal tubule through inhibition of sodium-hydrogen exchanger isoform 3 (NHE3) activity [23], as no GLP-1 receptors appear to be present in human kidneys outside of the renal vasculature [19]
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REDEFINE 4: The Tirzepatide Test The results that attracted the greatest market attention came from REDEFINE 4, an 84-week open-label Phase 3 trial reported in February 2026, in which CagriSema was pitted directly against tirzepatide 15 mg, the highest approved dose of Eli Lillys Zepbound

Lifestyle and dietary modifications form the cornerstone of initial management and include: Eating smaller, more frequent meals rather than large portions, which reduces gastric distension and reflux risk Avoiding trigger foods such as spicy, fatty, or acidic items that may exacerbate reflux symptoms Remaining upright for at least 23 hours after eating to allow gravity to assist gastric emptying Elevating the head of the bed by 1520 cm if nocturnal reflux symptoms occur Avoiding eating close to bedtime , ideally finishing meals at least 3 hours before lying down Staying well hydrated throughout the day, taking small sips of water regularly Chewing food thoroughly and eating slowly to facilitate digestion For patients experiencing reflux symptoms , over-the-counter antacids or alginates (such as Gaviscon) may provide symptomatic relief