Table 3 Multivariable analysis for the association of selected patient and disease characteristics with PFS and OS for entire patient population.

From: Impact of Extraosseous Extramedullary Disease on Outcomes of Patients with Relapsed-Refractory Multiple Myeloma receiving Standard-of-Care Chimeric Antigen Receptor T-Cell Therapy

 

PFS

OS

Variables

N (event N)

HR (95% CI)

P-value

N (event N)

HR (95% CI)

P-value

Active EMD

  

0.005

  

0.033

No

105 (49)

1.00 (reference)

 

105 (49)

1.00 (reference)

 

Yes

47 (40)

2.12 (1.26–3.6)

 

47 (40)

2.09 (1.06–4.12)

 

Age

  

0.353

  

0.136

≤65

87 (57)

1.00 (reference)

 

87 (57)

1. 00 (reference)

 

>65

65 (43)

0.79 (0.48–1.3)

 

65 (43)

0.59 (0.30–1.18)

 

ECOG PS

  

0.483

  

0.024

2–4

20 (14)

1.00 (reference)

 

20 (14)

1.00 (reference)

 

0–1

132 (75)

0.75 (0.33–1.7)

 

132 (75)

0.35 (0.14–0.87)

 

Cytogenetics

  

0.039

  

0.16

Standard risk

71 (59)

1.00 (reference)

 

71 (59)

1.00 (reference)

 

High risk

49 (41)

1.77 (1.03–3.0)

 

49 (41)

1.60 (0.83–3.08)

 

Penta-refractory status

  

0.099

  

0.509

No

94 (62)

1.00 (reference)

 

94 (62)

1.00 (reference)

 

Yes

58 (38)

1.60 (0.92–2.8)

 

58 (38)

0.77 (0.36–1.65)

 

Prior BCMA therapy

  

<0.001

  

0.149

No

127 (84)

1.00 (reference)

 

127 (84)

1.00 (reference)

 

Yes

25 (16)

2.76 (1.52–5.0)

 

25 (16)

1.17 (0.83–3.55)

 

CAR T product

  

0.043

  

0.829

Cilta-cel

44 (29)

1.00 (reference)

 

44 (29)

1.00 (reference)

 

Ide-cel

108 (81)

2.19 (1.02–4.7)

 

108 (81)

0.91 (0.38–2.15)

 

Baseline CRP

  

0.507

  

0.774

High

55 (36)

1.00 (reference)

 

55 (36)

1.00 (reference)

 

Low

97 (64)

1.20 (0.7–2.0)

 

97 (64)

0.9 (0.46–1.79)

 

Baseline ferritin

  

0.049

   

High

90 (59)

1.00 (reference)

 

90 (59)

1.00 (reference)

0.106

Low

62 (41)

0.52 (0.28–1.0)

 

62 (41)

0.50 (0.22–1.16)

 
  1. BCMA B-cell maturation antigen, CRP C-reactive protein, ECOG PS Eastern Cooperative Oncology Group performance status, EMD extramedullary disease, OS overall survival, PFS progression free survival.
  2. Bold P-values indicates statistically significant.