Antitumoral bioconjugates of hyaluronic acid or its derivatives obtained by indirect chemical conjugation, and their use in the pharmaceutical field
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United States of America Patent
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Jun 27, 2017
Grant Date -
Nov 27, 2008
app pub date -
Aug 2, 2006
filing date -
Aug 3, 2005
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Abstract
The present invention describes a new group of bioconjugates which can be obtained by means of indirect synthesis, via a molecular spacer, between hyaluronic acid and/or its derivatives and drugs with an antitumoral activity belonging to different groups, their preparation process and use in the oncological field. The new derivatives, in relation to the type of bond and Substitution degree, have different physico-chemical properties which improve their tolerability and efficiency and allow a more accurate modulation of the dosage, exploiting an active targeting mechanism.
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