Alligator Bioscience announced that a development milestone payment of USD 6 million has been triggered under the partnership agreement for ADC-1013 (JNJ-64457107) with Janssen Biotech Inc. The milestone payment is for the partnership agreement to initiate a clinical combination study of ADC-1013 with one of Janssen's proprietary PD-1 inhibitors. This is the first out of a number of pre-defined milestones, related to the start of combination or phase II studies as part of the ADC-1013 clinical program, which all together have an aggregated potential value of USD 35 million. The licensing agreement with Janssen Biotech Inc. encompasses milestone payments up to a potential total value of USD 695 million. Alligator is also eligible to receive tiered royalties on worldwide net sales upon successful launch and commercialization of ADC-1013.