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. Author manuscript; available in PMC: 2025 Feb 28.
Published in final edited form as: Lancet Oncol. 2022 Jul 11;23(8):1021–1030. doi: 10.1016/S1470-2045(22)00333-3

Table 3:

Antitumour activity by disease type and subgroup

Evaluable patients Overall response Complete response

Follicular lymphoma
Overall 62 51 (82%; 70–91) 14 (23%; 13–35)
Zandelisib monotherapy 41 32 (78%; 62–89)   9 (22%;11–38)
Zandelisib plus rituximab 21 19 (90%; 70–99)   5 (24%; 8–47)
 Refractory to rituximab*   8   7 (88%; 47–100)   1 (13%; 0–53)
 Relapsed to rituximab* 13 12 (92%; 64–99)   4 (31%; 9–61)
Continuous dosing group (zandelisib monotherapy) 25 19 (76%; 55–91)   4 (16%; 4–36)
Intermittent dosing group 37 32 (86%; 71–95) 10 (27%; 14–44)
 Zandelisib monotherapy 18 14 (78%; 52–94)   5 (28%; 10–53)
 Zandelisib plus rituximab 19 18 (95%; 74–100)   5 (26%; 9–51)
Chronic lymphocytic leukaemia or small lymphocytic lymphoma
Overall 20 20 (100%; 83–100)   5 (25%; 9–49)
Zandelisib monotherapy 13 13 (100%; 75–100)   4 (31%; 9–61)
Zandelisib plus rituximab   7   7 (100%; 59–100)   1 (14%; 4–58)
Continuous dosing group (zandelisib monotherapy) 10 10 (100%; 69–100)   3 (30%; 8–65)
Intermittent dosing group 10 10 (100%; 69–100)   2 (20%; 3–57)
 Zandelisib monotherapy   4   4 (100%; 40–100)   1 (25%; 6–81)
 Zandelisib plus rituximab   6   6 (100%; 54–100)   1 (17%; 4–64)
Marginal zone lymphoma
Zandelisib plus rituximab   4   4 (100%; 40–100)   1 (25%; 6–81)
Diffuse large B-cell lymphoma
Zandelisib plus rituximab   9   1 (11%; 3–48)   1 (11%; 3–48)

Data are n or n (%; 95% CI).

*

Post-hoc analysis.

All on intermittent dosing.