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Omeprazole versus placebo in duodenal ulcer healing

The United States experience

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Abstract

The study objective was to study the ulcer healing effects and safety of the proton pump inhibitor, omeprazole, given in a dose of 20 mg once daily before breakfast. The study design was a randomized, double-blind, multicenter comparison of omeprazole and placebo using endoscopy to assess ulcer healing after two or four weeks of therapy. One hundred fifty-three patients with endoscopically documented active duodenal ulcer were studied. One hundred two patients received omeprazole and 51 received placebo. Patients in both groups were similar with regard to age, sex, duration of disease, initial ulcer size, smoking history, and alcohol use. A “per protocol” analysis of healing rates showed a significant advantage for omeprazole (P<0.01) at both week 2 (41% vs 13%) and week 4 (75% vs 27%). Concomitant factors (including smoking and ulcer size) did not alter the significance of the differences in healing rates between omeprazole and placebo. Complete relief of day and night pain was more often achieved (P<0.01) in the omeprazole group. “All-patients treated” analyses for healing and pain relief gave results similar to the respective “per protocol” analyses. Omeprazole was well tolerated; fewer patients had clinical and laboratory adverse experiences in the omeprazole group than in the placebo group. Fasting serum gastrin levels increased with omeprazole therapy (mean 34.9 to 73.5 pg/ml) but exceeded the normal range (>150 pg/ml) in only 12.3% of patients. Two weeks after therapy was stopped, serum gastrin levels showed a decrease toward baseline but had not yet completely returned to pretreatment levels (mean 49.7 pg/ml). Observations from Europe and Australia of >90% healing of duodenal ulcers after four weeks of omeprazole therapy were not confirmed in this study. No single factor explains this difference. Considerable variation in the degree of suppression of acid secretion has been demonstrated with the 20-mg daily dose of omeprazole; it is possible that, in US populations, a greater degree of antisecretory effect may be required to achieve the healing rates observed in Europe and Australia. In conclusion, omeprazole was more effective than placebo in the treatment of active duodenal ulcer, as determined by ulcer healing and relief of pain, and was well tolerated in the short-term treatment of patients with duodenal ulcer.

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Authors and Affiliations

  1. VA Medical Center (111D), 2002 Holcombe Blvd., 77030, Houston, Texas

    David Y. Graham MD, Arthur McCullough MD, Manuel Sklar MD, Stephen J. Sontag MD, Walter M. Roufail MD, Richard C. Stone MD, Robert H. Bishop MD, Norman Gitlin MD, Angeline J. Cagliola BBA, Rayanne S. Berman MS & Thomas J. Humphries MD

  2. Metropolitan General Hospital, Cleveland, Ohio

    David Y. Graham MD, Arthur McCullough MD, Manuel Sklar MD, Stephen J. Sontag MD, Walter M. Roufail MD, Richard C. Stone MD, Robert H. Bishop MD, Norman Gitlin MD, Angeline J. Cagliola BBA, Rayanne S. Berman MS & Thomas J. Humphries MD

  3. Hechtman Health Care Center, Bingham Farms, Michigan

    David Y. Graham MD, Arthur McCullough MD, Manuel Sklar MD, Stephen J. Sontag MD, Walter M. Roufail MD, Richard C. Stone MD, Robert H. Bishop MD, Norman Gitlin MD, Angeline J. Cagliola BBA, Rayanne S. Berman MS & Thomas J. Humphries MD

  4. VA Hospital, Hines, Illinois

    David Y. Graham MD, Arthur McCullough MD, Manuel Sklar MD, Stephen J. Sontag MD, Walter M. Roufail MD, Richard C. Stone MD, Robert H. Bishop MD, Norman Gitlin MD, Angeline J. Cagliola BBA, Rayanne S. Berman MS & Thomas J. Humphries MD

  5. Hawthorn Medical Center, Winston-Salem, North Carolina

    David Y. Graham MD, Arthur McCullough MD, Manuel Sklar MD, Stephen J. Sontag MD, Walter M. Roufail MD, Richard C. Stone MD, Robert H. Bishop MD, Norman Gitlin MD, Angeline J. Cagliola BBA, Rayanne S. Berman MS & Thomas J. Humphries MD

  6. Dallas Medical & Surgical Center, Dallas, Texas

    David Y. Graham MD, Arthur McCullough MD, Manuel Sklar MD, Stephen J. Sontag MD, Walter M. Roufail MD, Richard C. Stone MD, Robert H. Bishop MD, Norman Gitlin MD, Angeline J. Cagliola BBA, Rayanne S. Berman MS & Thomas J. Humphries MD

  7. Memorial Clinic Of Indianapolis, Indianapolis, Indiana

    David Y. Graham MD, Arthur McCullough MD, Manuel Sklar MD, Stephen J. Sontag MD, Walter M. Roufail MD, Richard C. Stone MD, Robert H. Bishop MD, Norman Gitlin MD, Angeline J. Cagliola BBA, Rayanne S. Berman MS & Thomas J. Humphries MD

  8. VA Medical Center, Fresno, California

    David Y. Graham MD, Arthur McCullough MD, Manuel Sklar MD, Stephen J. Sontag MD, Walter M. Roufail MD, Richard C. Stone MD, Robert H. Bishop MD, Norman Gitlin MD, Angeline J. Cagliola BBA, Rayanne S. Berman MS & Thomas J. Humphries MD

  9. Merck Sharp & Dohme Research Laboratories, West Point, Pennsylvania

    David Y. Graham MD, Arthur McCullough MD, Manuel Sklar MD, Stephen J. Sontag MD, Walter M. Roufail MD, Richard C. Stone MD, Robert H. Bishop MD, Norman Gitlin MD, Angeline J. Cagliola BBA, Rayanne S. Berman MS & Thomas J. Humphries MD

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  1. David Y. Graham MD
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  2. Arthur McCullough MD
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  3. Manuel Sklar MD
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  4. Stephen J. Sontag MD
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  5. Walter M. Roufail MD
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  7. Robert H. Bishop MD
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  8. Norman Gitlin MD
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  9. Angeline J. Cagliola BBA
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  10. Rayanne S. Berman MS
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  11. Thomas J. Humphries MD
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Graham, D.Y., McCullough, A., Sklar, M. et al. Omeprazole versus placebo in duodenal ulcer healing. Digest Dis Sci 35, 66–72 (1990). https://doi.org/10.1007/BF01537225

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  • DOI: https://doi.org/10.1007/BF01537225

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