The reemergence of adult t-cell leukemia/lymphoma after a period of remission check for "https://www.cancer.gov/about-cancer/treatment/clinical-trials/intervention/c8251" active clinical trials using this agent. ("http://ncit.nci.nih.gov/ncitbrowser/conceptreport.jsp?dictionary=nci%20thesaurus&code=c8251" nci thesaurus)