Table 1 Best systemic and CNS response rates among patients with active CNS lymphoma.

From: Clinical outcomes of CD3xCD20 bispecific antibodies in patients with central nervous system involvement by lymphoma

Variable

(CNS + systemic)

CNSa

ORR, n (%)

CR, n (%)

ORR, n (%)

CR, n (%)

All patients, n = 18a

10 (56%)

6 (33%)

11 (65%)

6 (35%)

Bispecific agent

 ▪ Glofitamab, n = 15a

9 (60%)

5 (33%)

10 (71%)

5 (36%)

 ▪ Epcoritamab, n = 2

1 (50%)

1 (50%)

1 (50%)

1 (50%)

 ▪ Mosunetuzumab, n = 1

0

0

0

0

CNS site

 ▪ Parenchymal, n = 12

8 (67%)

5 (42%)

9 (75%)

5 (42%)

 ▪ Leptomeningeal, n = 3

2 (67%)

1 (33%)

2 (67%)

1 (33%)

 ▪ Both, n = 3a

0

0

0

0

Treatment type

 ▪ Monotherapy, n = 6a

4 (67%)

3 (50%)

4 (80%)

3 (60%)

 ▪ Combination, n = 12

6 (50%)

3 (25%)

7 (58%)

3 (33%)

Lymphoma histology

 ▪ DLBCL, n = 13a

8 (62%)

5 (38%)

9 (75%)

5 (42%)

 ▪ HGBL, n = 2

0

0

0

0

 ▪ PCNSL, n = 2

1 (50%)

1 (50%)

1 (50%)

1 (50%)

 ▪ MCL, n = 1

1 (100%)

0

1 (100%)

0

Prior CAR T-cell therapy

 ▪ Yes, n = 11

7 (64%)

4 (36%)

8 (73%)

4 (36%)

 ▪ No, n = 7a

3 (43%)

2 (29%)

3 (50%)

2 (33%)

Time from CART to bispecific

 ▪ ≤6 months, n = 4

2 (50%)

2 (50%)

2 (50%)

2 (50%)

 ▪ >6 months, n = 7

5 (71%)

2 (29%)

6 (86%)

2 (29%)

Time from first CNS involvement to bispecific

 ▪ ≤6 months, n = 8a

5 (63%)

3 (38%)

5 (71%)

3 (43%)

 ▪ >6 months, n = 10

5 (50%)

3 (30%)

6 (60%)

3 (30%)

Prior lines of treatment

 ▪ 2, n = 9a

6 (67%)

4 (44%)

6 (75%)

4 (50%)

 ▪ ≥3, n = 9

4 (44%)

2 (22%)

5 (56%)

2 (22%)

  1. a1 patient was unevaluable for CNS response but had systemic PD.
  2. CAR T chimeric antigen receptor T-cell therapy, CNS central nervous system, CR complete response, DLBCL diffuse large B-cell lymphoma, HGBL high-grade B-cell lymphoma, MCL mantle cell lymphoma, ORR overall response rate, PCNSL primary central nervous system lymphoma, PD progressive disease.