ニジェールにおける幼児死亡率を減らすためのアジトロマイシンの大量薬物投与 (AVENIR II):コミュニティベースの健康介入を評価するためのクラスターランダム化適応プラットフォーム試験のマスタープロトコル
Ahmed M Arzika1, Abdou Amza2, Sani Ousmane3
1Centre de Recherche et Interventions en Santé Publique, Birni N'Gaoure, Niger.
Trials
|February 19, 2026
まとめ
アジトロマイシンの大量投与 (MDA) は,小児の死亡率を下げますが,抗菌剤耐性 (AMR) を高めます. ニジェールでのこの適応性プラットフォーム試験は,これらの影響を監視しながら,コミュニティの健康介入の柔軟な評価を可能にします.
科学分野:
- グローバル・ヘルス グローバル・ヘルス
- 感染症疫学 感染症疫学
- 臨床試験のデザイン
背景:
- アジトロマイシンの大量投与 (MDA) は,1~59ヶ月の小児の死亡率を低下させるが,抗菌剤耐性 (AMR) に関する懸念を提起している.
- 世界保健機関は,MDAプログラムにおける死亡率とAMRの同時モニタリングを推奨しています.
- ニジェールは,子供の生存のためにアジトロマイシンMDAの全国プログラムを拡大しています.
研究 の 目的:
- ナイジェリアの拡大中のアジトロマイシンMDAイニシアチブのための強力なプログラムモニタリングを確立する.
- 5歳未満の死亡率とAMRに対するアジトロマイシンMDAの影響を評価する.
- MDAと並行して他の地域保健介入の評価のための柔軟なプラットフォームを作成する.
主な方法:
- 2年ごとに再ランダム化されるクラスタランダム化適応プラットフォーム試験設計 (AVENIR II).
- 5歳未満の死亡率のモニタリング,AMR,実施,および安全性に関する結果.
- プログラム配信とAMRモニタリングのバランスをとるための適応アルゴリズム,MDAを遅延または停止するためにサブセットをランダム化します.
主要な成果:
- この研究は,死亡率とAMRを2年ごとに監視し,継続的に実施/安全性を監視するように設計されています.
- 適応アルゴリズムは,MDAの遅延または停止のためのランダム化比率をガイドします.
- プラットフォームは,研究アームを追加または削除し,追加の介入の評価を可能にします.
結論:
- AVENIR II試験は,アジトロマイシンMDAからのAMRに関する懸念に対処しています.
- それは,プログラムの影響の厳格で継続的な評価と,将来の介入のための柔軟性のための枠組みを提供します.
- このデザインは,ニジェール国内外の公衆衛生プログラムのための,証拠に基づいた意思決定をサポートします.
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