Process and Intermediates for the Preparation of Voxellotor
Summary
The European Patent Office has published application EP3898618A1, filed by CURIA SPAIN, S.A.U., covering a process and intermediates for the preparation of Voxellotor, a compound used in the treatment of sickle cell disease. The application includes three named inventors and has been classified under multiple IPC subclasses covering heterocyclic and acyclic compounds. This publication makes the application publicly available for examination and potential opposition.
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GovPing monitors EPO Patent Bulletin - Organic Chemistry (C07D) for new healthcare & life sciences regulatory changes. Every update since tracking began is archived, classified, and available as free RSS or email alerts — 31 changes logged to date.
What changed
EPO published application EP3898618A1 on April 15, 2026, covering a process and intermediates for preparing Voxellotor, a known pharmaceutical compound for sickle cell disease. The application designates all EU member states plus the UK, Switzerland, Norway, and other EPC contracting states.
Manufacturers and pharmaceutical companies involved in compound synthesis or generic drug development may wish to review this publication to assess freedom-to-operate implications. The application becomes part of the public record and may be cited in subsequent patent prosecution or litigation proceedings.
Archived snapshot
Apr 23, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
PROCESS AND INTERMEDIATES FOR THE PREPARATION OF VOXELOTOR
Publication EP3898618A1 Kind: A1 Apr 15, 2026
Applicants
CURIA SPAIN, S.A.U.
Inventors
FERREIRO GIL, Juan José, IGLESIAS RETUERTO, Jesús Miguel, LORENTE BONDE-LARSEN, Antonio
IPC Classifications
C07D 405/14 20060101AFI20200701BHEP C07C 259/10 20060101ALI20200701BHEP C07D 319/08 20060101ALI20200701BHEP C07D 401/04 20060101ALI20200701BHEP C07D 405/12 20060101ALI20200701BHEP C07D 213/61 20060101ALI20200701BHEP
Designated States
AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR
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Source
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