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  • Title: Efficacy and tolerability of 20 mg pantoprazole versus 300 mg ranitidine in patients with mild reflux-oesophagitis: a randomized, double-blind, parallel, and multicentre study.
    Author: van Zyl JH, de K Grundling H, van Rensburg CJ, Retief FJ, O'Keefe SJ, Theron I, Fischer R, Bethke T.
    Journal: Eur J Gastroenterol Hepatol; 2000 Feb; 12(2):197-202. PubMed ID: 10741935.
    Abstract:
    BACKGROUND AND AIM: The aim of this study was to compare the efficacy and tolerability of low dose pantoprazole (20 mg) (a gastric proton pump inhibitor) with standard dose ranitidine (300 mg) (a histamine-receptor antagonist), in their ability to relieve symptoms and heal oesophageal lesions associated with gastrooesophageal reflux disease (GORD). METHODS: Patients with endoscopically established mild GORD (stage I, modified Savary-Miller classification) were enrolled into a multicentre, randomized, double-blind, parallel-group comparison study (intention-to-treat population, n = 201; age range, 18-82 years). Patients took either oral pantoprazole 20 mg in the morning (n = 101) or ranitidine 300 mg in the evening (n = 100) once daily for 4 weeks or, if the healing was not complete, 8 weeks. Relief from key symptoms (heartburn, acid regurgitation, pain on swallowing) was assessed after 2, 4, and if applicable, 8 weeks. Healing of lesions was confirmed endoscopically after 4 and, if applicable, 8 weeks. RESULTS: Complete relief from key symptoms was noted after 2 weeks in 70/88 (80%) patients treated with pantoprazole vs 45/89 (51%) patients treated with ranitidine ('per-protocol and key-point available' populations, P < 0.001); the corresponding results after 4 weeks were 77/88 (88%) vs 51/88 (58%) (P < 0.001). Complete healing of lesions after 4 weeks of treatment was seen in 74/88 (84%) vs 49/89 (55%) in the pantoprazole and ranitidine group, respectively (P < 0.001, per-protocol); by week 8 the cumulative healing rates were 84/88 (95%) vs 69/89 (78%) in the pantoprazole and ranitidine group, respectively (P < 0.001). For the intention-to-treat populations, the corresponding values for healing after 4 and 8 weeks were 73% vs 49% (P < 0.001) and 83% vs 69% (P < 0.05), respectively. Both study medications were well tolerated. CONCLUSION: Compared to ranitidine 300 mg, the regimen with pantoprazole 20 mg provides faster relief from symptoms and is significantly more effective in healing of oesophageal lesions in patients with mild reflux-oesophagitis. Thus, the low dose of pantoprazole offers a treatment approach which minimizes drug exposure and costs while retaining high efficacy.
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