Clinical Study

Comparison of Three Chemotherapy Regimens in Elderly Patients with Diffuse Large B Cell Lymphoma: Experience at a Single National Reference Center in Mexico

Table 2

Complications, response rate, and survival by treatment regimen.

RCHOPRChOPRCOP value

(%)53 (100)48 (100)40 (100)

Complications of treatment

Infections
 None18 (33.96)14 (29.17)23 (57.5)0.09
 Ambulatory treated15 (22.64)12 (25.0)10 (25)
 Febrile neutropenia (FN)12 (22.64)11 (22.92)4 (10)
 Other than FN, requiring hospitalization8 (15.09)11 (22.92)3 (7.5)

Myelosuppression
 None36 (67.92)30 (62.5)26 (65)0.94
 No transfusion required6 (11.32)8 (16.67)5 (12.5)
 Required transfusion11 (20.75)10 (20.83)9 (22.5)

Other complications (G III-IV)
 None28 (52.83)17 (35.42)24 (60)0.359
 Pain3 (5.66)4 (8.33)2 (5)
 2nd malignancy01 (2.08)0
 Neuropathy1 (1.89)5 (10.42)2 (5)
 Lung01 (2.08)0
 Thrombosis1 (1.89)3 (6.25)0
 Cardiovascular8 (15.09)5 (10.42)6 (15)
 Gastrointestinal8 (15.09)5 (10.42)6 (15)
 Renal4 (7.55)7 (14.58)2 (5)

Required radiotherapy22 (41.51) 17 (35.42)18 (45) 0.065

Response
 Complete35 (66.04)30 (62.5)21 (52.5)
 Partial 6 (11.32)3 (6.25)3 (7.5)0.418
 Stable disease001 (2.5)
 Progressive disease2 (3.77)6 (12.5)3 (7.5)
 Not evaluated10 (18.87)9 (18.75)12 (30)

Relapsed6 (11.32)6 (12.5) 7 (17.5)0.668

Mean disease-free survival (95% IC)34.72 (29.54–39.89)27.77 (22.28–33.25)24.99 (18.9–31.09)>0.05

Mean overall survival (95% IC)35.8 (30.56–41.05)27.69 (22.18–33.2)44.29 (32.65–55.93)>0.05

Restricted mean.