Patent · US Active

4-(biphen-3-yl)-1H-pyrazolo[3,4-c]pyridazine derivatives of formula (I) as GABA receptor modulators for use in the treatment of epilepsy and pain

US10538523B2 · kind B2 · utility

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19Claims
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Key dates

Filing dateNov 22, 2016
Grant dateJan 21, 2020
Priority date
Expiry dateNov 22, 2036

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P25/08
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The present invention relates to pyrazolopyridazine derivatives. More particularly, it relates to 4-(biphenyl-3-yl)-1H-pyrazolo[3,4-c]pyridazine derivatives of formula (I), and pharmaceutically acceptable salts thereof, wherein X, R1, R2, R3, R4 and R5 are as defined in the description. The pyrazolopyridazine derivatives of the present invention modulate the activity of the GABAA receptor. They may useful in the treatment of a number of conditions, including pain and epilepsy.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.