Bicycle Therapeutics plc, a clinical-stage biopharmaceutical company, develops a class of medicines for diseases that are underserved by existing therapeutics. Its lead product candidate is BT1718, a bicycle toxin conjugate (BTC), which is in Phase I/IIa clinical trials targeting tumors that express Membrane Type 1 matrix metalloprotease. The company's oncology product candidates also comprise BT5528, a BTC that is in a Phase I/IIa clinical trial targeting EphA2; BT8009, which is in preclinical studies targeting Nectin-4; and CD137, an immune cell co-stimulatory molecule that is in preclinical stage. In addition, it is developing THR-149, a plasma kallikrein inhibitor that completed Phase I clinical trials for the treatment of diabetic macular edema. Further, the company collaborates with biopharmaceutical companies and organizations to develop programs in therapeutic areas, such as anti-infective, cardiovascular, ophthalmology, and respiratory indications. It has a clinical trial and license agreement with the Cancer Research Technology Limited and CRUK; research collaboration agreements with AstraZeneca, Sanofi, Oxurion, and the Dementia Discovery Fund; and discovery collaboration and license agreement with Genentech for the discovery and development of Bicycle peptides for multiple immuno-oncology targets. Bicycle Therapeutics plc was incorporated in 2009 and is headquartered in Cambridge, the United Kingdom.