Among 26 evaluable patients, the ORR was 76.9%, and the CRR was 53%. The median number of aza/romi cycles was 3 (range, 1-12), and the median follow-up was 8.7 months. The ORR and CRR in patients with angioimmunoblastic lymphoma and TFH-PTCL was 69.5% (16/23) and 60.8% (14/23), respectively. The ORR and CRR in patients who had mutations in TET2, IDH2, and DNMT3A (total of 9 individual patients) were 77.7% (7/9) and 44.4% (4/9), respectively.