METHOD OF SYNTHESISING ADCS USING PHOTOCLEAVABLE LINKERS ON SOLID SUPPORT
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United States of America Patent
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Jul 8, 2015
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Jul 8, 2014
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Abstract
Disclosed is a solid phase method of synthesising biomolecule-drug-conjugates (e.g. antibody-drug-conjugates) using photocleavable moieties. The method comprises: (i) providing an immobilised photocleavable group-biomolecule conjugate; (ii) optionally contacting the immobilised photocleavable group-biomolecule conjugate with a chemical modification agent or activating agent to provide an immobilised photocleavable group-biomolecule conjugate that is chemically modified or activated at the biomolecule portion; (iii) contacting the immobilised photocleavable group-biomolecule conjugate of step (i) or the chemically modified or activated immobilised photocleavable group-biomolecule conjugate of step (ii) with a drug component to form an immobilised photocleavable group-biomolecule-drug-conjugate; and (iv) irradiating the immobilised photocleavable group-biomolecule-drug-conjugate of step (iii) with radiation thereby releasing the biomolecule-drug-conjugate.
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