Regeneron’s $2.2bn Parabilis pact signals rising interest in next-generation conjugates

ADCs changed cancer delivery. Regeneron and Parabilis now want Helicon peptides to push conjugates inside harder-to-drug biology.

ADCs changed cancer delivery. Regeneron and Parabilis now want Helicon peptides to push conjugates inside harder-to-drug biology.

In the decades-long war against disease, pharmaceutical companies have learned to build drugs like locksmiths—designing compounds that fit neatly into molecular pockets, disabling enzymes and receptors with surgical precision. But not every biological lock comes with a keyhole. Protein–protein interactions, or PPIs, often involve broad, flat, and shifting surfaces that refuse to conform to conventional […]