Optimal safety management procedures for medications with potent teratogenic properties: a prospective intervention cluster randomized non-inferiority comparative study

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  • 強い催奇形性を有する医薬品の適正な安全管理手順における前向き介入クラスターランダム化非劣性比較研究
  • ツヨイ サイキケイセイ オ ユウスル イヤクヒン ノ テキセイ ナ アンゼン カンリ テジュン ニ オケル マエムキ カイニュウ クラスターランダムカ ヒレッセイ ヒカク ケンキュウ

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Abstract

<p>Using the “periodic confirmation sheet” employed in the safety management procedure of thalidomide drugs, we looked at whether patients’ knowledge of compliance with the procedure varies depending on the length of the gap between confirmations. In 31 centers, 215 participants were male patients and female patients who might be pregnant participants. Subjects have treated a group of patients who used periodic confirmation slips at the standard confirmation interval and a group of patients who increase the confirmation interval to 4 or 6 months, the % of respondents that correctly answered each of all six questions in questions 1-6 on the second comprehension questionnaire, excluding question 7 to confirm behavior change, was 87.0%. Comparing the percentage of correct answers to all questions the first time and the second time, no pregnancy cases were observed and there was no decline in the percentage of accurate responses after the second attempt for either group. One cannot judge changes in behavior. The mixed-effect model also additionally demonstrated non-inferiority in the patient group with the extended confirmation interval (a difference of −6.7% in the proportion of correct answers on the comprehension test (95%CI: −20.3-7.0%)), thus it appears that going forward, both male patients and female patients of potential pregnancy should complete the periodic confirmation form once every 4 or 6 months.</p>

Journal

  • Rinsho Ketsueki

    Rinsho Ketsueki 64 (3), 175-186, 2023

    The Japanese Society of Hematology

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