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A randomised, open label, placebo controlled exploratory study in healthy volunteers, to characterise the acid neutralisation activity of sodium alginate oral suspension in the fasted state, using a custom-designed intragastric and oesophageal pH catheter

The objective of this exploratory study is to investigate the acid neutralisation action of sodium alginate oral suspension versus placebo liquid, within the stomach and to assess suitability and robustness of the pH monitoring methodology.