SwePub - sökning: L773:1365 2125

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1.	García Rodríguez, LA, et al. (författare) A cohort study of the ocular safety of anti-ulcer drugs. 1996 Ingår i: British Journal of Clinical Pharmacology. - : Wiley. - 0306-5251 .- 1365-2125. ; 42:2, s. 213-216 Tidskriftsartikel (refereegranskat)abstract 1. Recently, some cases have been reported where intravenous use of omeprazole was followed by loss of vision. We followed up a cohort of close to 140,000 persons during periods of treatment and non-treatment with five anti-ulcer drugs. 2. The relative risk of vascular disorders of the eye during use of omeprazole compared with non-use was 1.8 (95% CI 0.5-6.0). Use of other anti-ulcer drugs was associated with a similar risk of vascular disorders. The relative risk associated with current use of any anti-ulcer drug was 1.9 (95% CI 1.1-3.4). We did not find a single case of optic inflammatory disorder during treatment with any of the five anti-ulcer drugs. 3. These results do not suggest a major increased risk for vascular or inflammatory disorders of the eye associated with use of omeprazole or other anti-ulcer drugs.
2.	García Rodríguez, LA, et al. (författare) The risk of acute liver injury associated with cimetidine and other acid-suppressing anti-ulcer drugs. 1997 Ingår i: British Journal of Clinical Pharmacology. - : Wiley. - 0306-5251 .- 1365-2125. ; 43:2, s. 183-188 Tidskriftsartikel (refereegranskat)abstract AIMS The objective of this study was to estimate the risk of acute liver injury associated with individual acid-suppressing drugs and assess the role of dose and duration of treatment. METHODS We used a nested case-control study design within a cohort of over 100,000 users of cimetidine, famotidine, omeprazole and ranitidine. The primary source of information was the General Practitioners Research Database. We identified 108,981 persons aged 20-74 years who received at least one prescription for cimetidine, famotidine, omeprazole, or ranitidine during 1990-93, and we ascertained the first occurrence of clinically acute liver injury referred to a specialist or admitted to a hospital. RESULTS After review of medical records, 33 patients were considered eligible cases of idiopathic acute liver injury with no fatal cases. The type of liver injury was hepatocellular in almost half of the cases, and 80% of all cases presented with jaundice. Twelve cases occurred among current users of cimetidine, five among ranitidine users and one in an omeprazole user. The absolute risk of acute liver injury associated with cimetidine was estimated to be slightly greater than one per 5000 users of cimetidine. The adjusted relative risk (RRs) and 95% CI of developing acute liver injury associated with current use of cimetidine compared to non-use was 5.5 (1.9-15.9), with omeprazole 2.1 (0.2-19.2) and with ranitidine 1.7 (0.5-5.8). In the absence of concomitant use of other hepatotoxic drugs, the RR with cimetidine was 14.4 (2.9-73.7). Among users of cimetidine, the risk was especially high in the first 2 months of starting therapy (RR: 11.3, 3.7-35.1) and at daily doses of 800 mg or greater (RR: 8.8, 3.0-26.0). CONCLUSIONS Cimetidine was the individual anti-ulcer drug with the highest risk of developing symptomatic acute liver disease. Further data are required to confirm this finding. Our study indicates that there is a dose relationship and a short latent period between cimetidine treatment and acute liver injury.

García Rodríguez, LA, et al. (författare)
The risk of acute liver injury associated with cimetidine and other acid-suppressing anti-ulcer drugs.
1997
Ingår i: British Journal of Clinical Pharmacology. - : Wiley. - 0306-5251 .- 1365-2125. ; 43:2, s. 183-188
Tidskriftsartikel (refereegranskat)abstract
- AIMS The objective of this study was to estimate the risk of acute liver injury associated with individual acid-suppressing drugs and assess the role of dose and duration of treatment. METHODS We used a nested case-control study design within a cohort of over 100,000 users of cimetidine, famotidine, omeprazole and ranitidine. The primary source of information was the General Practitioners Research Database. We identified 108,981 persons aged 20-74 years who received at least one prescription for cimetidine, famotidine, omeprazole, or ranitidine during 1990-93, and we ascertained the first occurrence of clinically acute liver injury referred to a specialist or admitted to a hospital. RESULTS After review of medical records, 33 patients were considered eligible cases of idiopathic acute liver injury with no fatal cases. The type of liver injury was hepatocellular in almost half of the cases, and 80% of all cases presented with jaundice. Twelve cases occurred among current users of cimetidine, five among ranitidine users and one in an omeprazole user. The absolute risk of acute liver injury associated with cimetidine was estimated to be slightly greater than one per 5000 users of cimetidine. The adjusted relative risk (RRs) and 95% CI of developing acute liver injury associated with current use of cimetidine compared to non-use was 5.5 (1.9-15.9), with omeprazole 2.1 (0.2-19.2) and with ranitidine 1.7 (0.5-5.8). In the absence of concomitant use of other hepatotoxic drugs, the RR with cimetidine was 14.4 (2.9-73.7). Among users of cimetidine, the risk was especially high in the first 2 months of starting therapy (RR: 11.3, 3.7-35.1) and at daily doses of 800 mg or greater (RR: 8.8, 3.0-26.0). CONCLUSIONS Cimetidine was the individual anti-ulcer drug with the highest risk of developing symptomatic acute liver disease. Further data are required to confirm this finding. Our study indicates that there is a dose relationship and a short latent period between cimetidine treatment and acute liver injury.

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