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InCibitorTM is a complement inhibitor platform developed by Longbio independently. The bi-functional complement inhibitor LP-005 developed based on this platform is going to start Phase II/III study in 2024. At the same time, Longbio is exploring the development of drugs related to hematology, nephrology, neurology, ophthalmology, oncology, and gene therapy based on this platform.





  • High complement inhibition, both in AP (alternative pathway), CP (classical pathway) and LP (lectin pathway)
  • ~20Kd,excellent tissue penetration
  • Great drug properties with optimized solubility
  • Good performance on PK/PD
  • Paroxysmal nocturnal hemoglobinuria(PNH)
  • Generalized mvasthenia gravis (gMG)
  • Myelin-associated glycoprotein associated neuropathies (MAG-PN)
  • amyotrophic lateral sclerosis (ALS)
  • IgA nephropathy (lgAN)
  • Lupus nephropathy(LN)
  • C3 glomerulopathy (C3G)
  • DryAMD
  • AAV-based (new sequence
  • Oncolytic virus
  • Combined with I/0