Assessing the Risk of Leachables from Single-Use Systems - This article is the second in a two-part series on extractables and leachables. - BioPharm International

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Assessing the Risk of Leachables from Single-Use Systems
This article is the second in a two-part series on extractables and leachables.


BioPharm International
Volume 25, Issue 2, pp. 32-40

CONCLUSION

The data presented indicate there is little risk from leachables when using single-use systems. The QbD methodology used to identify materials ensures incorporation of components with low aqueous solubilities, materials cleared as food contact substances by FDA, and materials qualified as Class VI by USP.

The low concentrations of leachables that do enter into the product should not affect drug performance or quality-control tests.

As shown in the first case study, if the leachable is introduced upstream, the clarification process will reduce the concentration below the limit of concern. Realistic working conditions allow the level of leachables to fall below the threshold of concern for genotoxic compounds.

The second case study demonstrates that the concentration of leachables from the final formulation and fill–finish assemblies do not pose a risk to patients because concentrations are well below the TTC.

Paul F. Killian, PhD, is a senior research scientist in the analytical technologies group at EMD MIllipore, Bedford, MA,
.

REFERENCES

1. C.M. Hansen, Hansen Solubility Parameters: A User's Handbook (Taylor & Francis, Boca Raton, FL, 2nd ed., 2007).

2. ExxonMobil Chemical, Tips From Technology—Slip and Anti-Block Additives in Polyethylene Film (2003).

3. EPA database, iaspub.epa.gov/opthpv/Public_Search.PublicTabs?SECTION=1&epcount=1&v_re_list=25063720/, accessed Fan 23, 2011.

4. FDA Regulatory Information, http://www.fda.gov/RegulatoyInformation/Legislation/FederalFoodDrugandCosmeticAct/

FDCActChapterIVFood/ucm107843.htm, accessed Jan. 23, 2011.

5. About USP, http://www.usp.org/aboutUSP/ accessed July 9, 2009.

6. http://www.fda.gov/Food/FoodIngredientsPackaging/FoodContactSubstancesFCS/CEDIADIDatabase/default.htm, accessed Jan. 23, 2011.

7. G.M. Cramer et al, Food Cosmet. Tox. 16 (3), 255–276 (1976).

8. R. Kroes et al., Food Chem. Toxicol. 42 (1), 65–83 (2004).

9. Millipore Corporation, Extractables Testing Report PureFlex and SureFlex Disposable Process Container Films, White Paper (2009).


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