Sept 24 (Reuters) - GT Biopharma Inc GTBP.PK :
* PRESS RELEASE - GT BIOPHARMA ANNOUNCES THE SALE OF ITS FIXED DOSE COMBINATION TABLET (GTB-004) FOR MYASTHENIA GRAVIS (CHRONIC AUTOIMMUNE DISEASE) TO DAS THERAPEUTICS
* GT BIOPHARMA - TO RECEIVE $200,000 UP-FRONT PAYMENT, ANNUAL ROYALTIES OF 1.5% OF NET YEARLY SALES, $6 MILLION PAYMENT BASED ON COMMERCIAL MILESTONE