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| Content Provider | Springer Nature Link |
|---|---|
| Author | Kougoulos, Eleftherios Smales, Ian Verrier, Hugh M. |
| Copyright Year | 2011 |
| Abstract | A novel experimental approach describing the integration of drug substance and drug production design using particle engineering techniques such as sonocrystallization, high shear wet milling (HSWM) and dry impact (hammer) milling were used to manufacture samples of an active pharmaceutical ingredient (API) with diverse particle size and size distributions. The API instability was addressed using particle engineering and through judicious selection of excipients to reduce degradation reactions. API produced using a conventional batch cooling crystallization process resulted in content uniformity issues. Hammer milling increased fine particle formation resulting in reduced content uniformity and increased degradation compared to sonocrystallized and HSWM API in the formulation. To ensure at least a 2-year shelf life based on predictions using an Accelerated Stability Assessment Program, this API should have a D [v, 0.1] of 55 μm and a D [v, 0.5] of 140 μm. The particle size of the chief excipient in the drug product formulation needed to be close to that of the API to avoid content uniformity and stability issues but large enough to reduce lactam formation. The novel methodology described here has potential for application to other APIs. |
| Starting Page | 287 |
| Ending Page | 294 |
| Page Count | 8 |
| File Format | |
| Journal | AAPS PharmSciTech |
| Volume Number | 12 |
| Issue Number | 1 |
| e-ISSN | 15309932 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2011-01-19 |
| Publisher Institution | American Association of Pharmaceutical Scientists |
| Publisher Place | Boston |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | chemical stability crystal engineering crystallization formulation particle size Pharmacology/Toxicology Pharmacy Biotechnology Biochemistry |
| Content Type | Text |
| Resource Type | Article |
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