European journal of gastroenterology & hepatology · 1997
Efficacy of a pectin-based anti-reflux agent on acid reflux and recurrence of symptoms and oesophagitis in gastro-oesophageal reflux disease.
Клиническое исследованиеСтатьяРандомизированное исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Havelund T, Aalykke C, Rasmussen L
Аннотация
OBJECTIVE: Gastro-oesophageal reflux disease may be treated with a drug forming a floating neutral raft in the stomach. The pectin-based raft-forming anti-reflux agent Aflurax (Idoflux) was examined, first regarding reduction of oesophageal acid exposure, and next as to its efficacy as maintenance treatment in patients with healed oesophagitis.
DESIGN: Double-blind, placebo-controlled randomized clinical trials.
SETTING: Open access endoscopy unit.
PARTICIPANTS: Fourteen patients with erosive oesophagitis had measurement of acid exposure. Eighty-eight patients with healed erosive/ulcerative oesophagitis and relief of heartburn after pre-treatment with omeprazole received maintenance treatment.
INTERVENTIONS: Crossover 12-h oesophageal pH monitoring during Aflurax/placebo treatment. Maintenance treatment for up to 6 months with two tablets of Aflurax 1200 mg or placebo four times daily.
MAIN OUTCOME MEASURES: Percentage time pH less than 4 in 6 plus 6 h (upright + supine). Time to recurrence of moderate or severe heartburn (life table analysis).
RESULTS: The median (interquartile range) acid exposure times in the upright position were: 3.1% (1.6-13.0%) on Aflurax versus 6.7% (2.5-14.9%) on placebo (P = 0.10). In the supine position no difference was found (Aflurax 13.7%, placebo 13.2%). The time to recurrence of heartburn with Aflurax treatment was prolonged significantly; after 6 months the life table estimates were 48% of patients in remission on Aflurax versus 8% on placebo (P = 0.01). Following treatment, erosive oesophagitis was found in 17/34 on Aflurax versus 28/38 on placebo (P < 0.05).
CONCLUSION: Aflurax significantly delays recurrence of moderate or severe heartburn and erosive oesophagitis, when used as maintenance treatment. The acid exposure was not significantly reduced with pH monitoring.
DESIGN: Double-blind, placebo-controlled randomized clinical trials.
SETTING: Open access endoscopy unit.
PARTICIPANTS: Fourteen patients with erosive oesophagitis had measurement of acid exposure. Eighty-eight patients with healed erosive/ulcerative oesophagitis and relief of heartburn after pre-treatment with omeprazole received maintenance treatment.
INTERVENTIONS: Crossover 12-h oesophageal pH monitoring during Aflurax/placebo treatment. Maintenance treatment for up to 6 months with two tablets of Aflurax 1200 mg or placebo four times daily.
MAIN OUTCOME MEASURES: Percentage time pH less than 4 in 6 plus 6 h (upright + supine). Time to recurrence of moderate or severe heartburn (life table analysis).
RESULTS: The median (interquartile range) acid exposure times in the upright position were: 3.1% (1.6-13.0%) on Aflurax versus 6.7% (2.5-14.9%) on placebo (P = 0.10). In the supine position no difference was found (Aflurax 13.7%, placebo 13.2%). The time to recurrence of heartburn with Aflurax treatment was prolonged significantly; after 6 months the life table estimates were 48% of patients in remission on Aflurax versus 8% on placebo (P = 0.01). Following treatment, erosive oesophagitis was found in 17/34 on Aflurax versus 28/38 on placebo (P < 0.05).
CONCLUSION: Aflurax significantly delays recurrence of moderate or severe heartburn and erosive oesophagitis, when used as maintenance treatment. The acid exposure was not significantly reduced with pH monitoring.