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. 2022 Jan 11;23(1):52. doi: 10.1208/s12249-021-02175-8

Table V.

Flap Number and Flap to Capsule Fraction Difference for Carrier-Based Budesonide Formulations and Carrier-Free Rifampicin Formulations Characterized from ACGcaps™ HI, Embocaps® VG, Vcaps®, and Quali-V® I Capsules at 2-kPa and 4-kPa Drop Conditions. Flap Number is Defined as the Number of Attached Flaps on the Capsule Pieces After NGI. Flap to Capsule Fraction is Defined as the Portion of Capsule Pieces with Attached Flaps Among All Actuated Capsule Pieces

Capsules types Embocaps® VG Vcaps® Quali-V® I ACGCAPS™ HI
2 kPa 4 kPa 2 kPa 4 kPa 2 kPa 4 kPa 2 kPa 4 kPa
Total flap number after NGI Carrier-based 21 24 15 11 33 25 28 28
Carrier-free 6 3 2 2 7 3 5 3
Flap to piercing fraction after NGI (%) Carrier-based 52.5 60 37.5 27.5 82.5 62.5 70 70
Carrier-free 75 37.5 25 25 87.5 37.5 62.5 37.5