Annexon, Inc.

Annexon is a drug development company working on treatments for diseases where the immune system causes inflammation and damage. The company is testing several experimental medicines in clinical trials, including a drug called Tanruprubart for rare neurological conditions like Guillain-Barré syndrome and amyotrophic lateral sclerosis, and another drug for an eye disease called geographic atrophy. These medicines are still in testing phases and have not been approved by regulators yet. The company was founded in 2011 and is based in California.