Abstract
During the write-up of the meeting summary reports from the 2019 dissolution similarity workshop held at the University of Maryland’s Center of Excellence in Regulatory Science and Innovation (M-CERSI), several coauthors continued their discussions to develop a “best-practice” document defining the steps required to assess dissolution profiles in support of certain biowaivers and postapproval changes. In previous reports, current challenges related to dissolution profile studies were discussed such that the steps outlined in the two flow charts (“decision trees”) presented here can be applied. These decision trees include both recommendations for the use of equivalence procedures between reference and test products as well as application of the dissolution safe space concept. Common approaches towards establishing dissolution safe spaces are described. This paper encourages the preparation of protocols clearly describing why and how testing is performed along with the expected pass/fail criteria prior to generating data on the materials to be evaluated. The target audience of this manuscript includes CMC regulatory scientists, laboratory analysts, as well as statisticians from industry and regulatory health agencies involved in the assessment of product quality via in vitro dissolution testing. Building upon previous publications, this manuscript provides a solution to the current ambiguity related to dissolution profile comparison. The principles outlined in this and previous manuscripts provide a basis for global regulatory alignment in the application of dissolution profile assessment to support manufacturing changes and biowaiver requests.
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Acknowledgements
The authors express their gratitude to the organizers, presenters, break-out facilitators, scribes, and attendants of the 2019 workshop on the state of dissolution profile comparison which convened at the University of Maryland’s Center of Excellence in Regulatory Science and Innovation (M-CERSI). Special thanks to Sandra Suarez (Simulations Plus) and David LeBlond (Consultant in CMC statistical studies) for their input.
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Abbreviations | |
---|---|
ACLMD | Approximate confidence limit of Mahalanobis distance |
ANVISA | Brazilian Health Surveillance Agency |
BCS | Biopharmaceutics Classification System |
BE | Bioequivalence |
BO | Breakout (session) |
boot f2 | Bootstrapped f2 |
cGMP | Current good manufacturing practices |
CMA | Critical materials attribute |
CMC | Chemistry, manufacturing and controls |
CPP | Critical process parameter |
CRDS | Clinically relevant dissolution specifications |
CV | Coefficient of variation |
DR | Delayed release |
EMA | European Medicines Agency |
ER | Extended release |
FDA | Food and Drug Administration |
HC | Health Canada |
ICH | International Council for Harmonisation of Technical Requirements for Pharmaceuticals for Human Use |
IR | Immediate release |
LC | Label claim |
IVIVC | in vitro–in vivo Correlation |
M-CERSI | (University of) Maryland(’s) Center of Excellence in Regulatory Science and Innovation |
MD | Mahalanobis distance |
MR | Modified release |
MSD | Multivariate statistical distance |
NMT | Not more than |
PBBM | Physiologically based biopharmaceutics modeling |
PBC | Pairwise batch comparison |
PK | Pharmacokinetic(s) |
PMDA | Pharmaceutics and Medical Device Agency |
Q | Amount (quantity) of dissolved active ingredient, expressed as a percentage of the labeled content of the dosage form (from USP <711>) |
QC | Quality control |
QMD | Quadratic mean difference |
SD | Standard deviation |
SUPAC | Scale-up and post-approval changes |
T1E | Type 1 error |
UBEL, LBEL | Upper/lower bioequivalence limit |
VAR | Variant |
VBE | Virtual bioequivalence |
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Abend, A.M., Hoffelder, T., Cohen, M.J. et al. Dissolution Profile Similarity Assessment—Best Practices, Decision Trees and Global Harmonization. AAPS J 25, 44 (2023). https://doi.org/10.1208/s12248-023-00795-5
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DOI: https://doi.org/10.1208/s12248-023-00795-5