Aug 4 (Reuters) - GlobeImmune Inc (GBIM.O) :
* Says on July 31, 2015 co and Celgene Corporation entered into Celgene amendment' agreement
* Says Celgene amendment provides company's gi-6100 program replaced the company's gi-3000 program as a drug candidate
* Globeimmune -co eligible for milestone payments of up to $145 mln,and tiered royalty payments in the low teens for sales of gi-6100
* Source text for Eikon
* Further company coverage (GBIM.O)