US Patent 11884747 Compstatin analogs with increased solubility and improved pharmacokinetic properties

Compounds comprising peptides capable of binding C3 protein and inhibiting complement activation are disclosed. The compounds comprise compstatin analogs in which the N-terminus and/or C-terminus contains an added component that improves (1) the peptide's solubility at physiological pH; (2) the peptide's plasma half-life; (3) the peptide's intraocular retention; and/or (4) the peptide's binding affinity to C3 or its fragments as compared to an unmodified compstatin peptide under equivalent conditions. Pharmaceutical compositions and methods of using the compounds are also disclosed.