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General considerations for bioequivalence approaches for solid oral drug products acting locally within gastrointestinal tract
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Fang YAN, Chong YAO, Ke-zhan WANG, Xiao SONG, Jun WANG
Chinese Journal of Clinical Pharmacology | 2026, 42(6) : 879 - 884
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Chinese Journal of Clinical Pharmacology | 2026, 42(6): 879-884
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General considerations for bioequivalence approaches for solid oral drug products acting locally within gastrointestinal tract
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Fang YAN, Chong YAO, Ke-zhan WANG, Xiao SONG, Jun WANG
Affiliations
  • Center for Drug Evaluation, National Medical Products Administration, Beijing 100076, China
Published: 2026-03-28 doi: 10.13699/j.cnki.1001-6821.2026.06.020
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The establishment of appropriate bioequivalence (BE) approaches for locally acting gastrointestinal drugs has been a challenging issue. This article introduces available approaches for BE studies, and further, taking specific drugs as examples, discusses general considerations for BE approaches for generic solid oral drug products acting locally within gastrointestinal tract, based on technical requirements and studies carried out for generic drugs in China, as well as referring to experiences of advanced regulatory agencies.

generic drugs  /  locally acting gastrointestinal drugs  /  solid oral drug products  /  bioequivalence
Fang YAN, Chong YAO, Ke-zhan WANG, Xiao SONG, Jun WANG. General considerations for bioequivalence approaches for solid oral drug products acting locally within gastrointestinal tract[J]. Chinese Journal of Clinical Pharmacology, 2026 , 42 (6) : 879 -884 . DOI: 10.13699/j.cnki.1001-6821.2026.06.020
Year 2026 volume 42 Issue 6
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doi: 10.13699/j.cnki.1001-6821.2026.06.020
  • Receive Date:2025-03-20
  • Online Date:2026-08-06
  • Published:2026-03-28
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  • Received:2025-03-20
Affiliations
    Center for Drug Evaluation, National Medical Products Administration, Beijing 100076, China
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表12种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
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种数
Number of
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Percentage of total
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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