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Contribution of scintigraphy to verify the reliability of different preparation processes for enteric coated capsules

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Summary

The aim of this work was to use radiopharmaceuticals such as technetium (99mTc) and indium (DTPA-CA-111In) to visualize, with a gamma-camera, the disintegration area and time of 3 types of enteric coated hard gelatin capsules (obtained by 3 different preparation processes) and thus, to verify that they are really resistant in gastric fluids and soluble in intestinal zones. Results are well correlated with those previously obtained in vitro (disintegration, dissolution) and in vivo (profiles of plasmatic concentrations versus time).

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Authors and Affiliations

  1. Laboratoire de Pharmacie Galénique et Biopharmacie, Faculté de Pharmacie, B.P. 83, 59006, Lille Cedex, France

    D. Catteau, C. Barthélémy, H. Robert & F. Trublin

  2. Service Associé de Médecine Nucléaire, CHR, Lille, France

    M. Deveaux & X. Marchandise

  3. Labotech, Sint Antoniushove Hospital, Leidschendam, The Netherlands

    H. van Drunen

Authors
  1. D. Catteau
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  2. C. Barthélémy
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  3. M. Deveaux
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  4. H. Robert
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  5. F. Trublin
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  6. X. Marchandise
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  7. H. van Drunen
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Catteau, D., Barthélémy, C., Deveaux, M. et al. Contribution of scintigraphy to verify the reliability of different preparation processes for enteric coated capsules. Eur. J. Drug Metab. Pharmacokinet. 19, 91–98 (1994). https://doi.org/10.1007/BF03188829

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  • DOI: https://doi.org/10.1007/BF03188829

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