Maintenance of response following prospective dose reduction in October 2013 in CP-CML patients. (A) MCyR maintenance. (B) MMR maintenance. Of the 42 CP-CML patients without MCyR who remained on study as of 10 October 2013, 17 had a dose reduction (45 to 30 mg per day, n = 7; 45 to 15 mg per day, n = 2; 30 to 15 mg per day, n = 6; other reduction, n = 2), whereas 3, 6, and 16 patients continued to receive 45, 30, and 15 mg per day, respectively. *Response maintained as of last response assessment. †Number of patients with response as of 10 October 2013.