Background: Very elderly patients ( ‡80 years old) with non-Hodgkin's lymphoma (NHL) frequently have co-morbid conditions and are generally excluded from clinical trials or even from treatment. The optimal treatment of these patients is unknown.
Patients and methods:We reviewed the records of 109 patients ‡80 years at diagnosis of NHL (65 F/44 M; median age: 84 years, range; 80-95).Results: Seventy-eight patients (72%) had aggressive NHL, 25 (23%) had indolent and NHL, eight had unclassified disease. Advanced-stage disease was noted in 54%. Forty patients (39%) had a poor ECOG performance status (PS), and 52 (49%) had an intermediate or high risk International Prognostic Index (IPI). Seventy-nine patients (72%) were treated with chemotherapy and 37 (34%) with radiotherapy. Initial chemotherapy consisted of chlorambucil in 15, oral etoposide in 2, and combination protocol in 62. Only 16% of patients received full-dose therapy, and only 50% completed ‡6 cycles of combination chemotherapy. The overall response rate for the 69 evaluable patients was 84% (complete 56.5%, partial 27.5%). Overall 5-year survival for the whole group was 39%, and median survival time was 26 months.
Conclusion:A high response rate can be achieved in very elderly NHL patients despite aggressive histology, poor prognostic features, and reduced doses of chemotherapy. Age alone should not be a contraindication to treatment.Key words: combination chemotherapy, non-Hodgkin's lymphoma, radiotherapy, survival, very elderly patients introduction The number of people living longer than 65 years has more than doubled over the last century and it is expected to double again over the next 50 years, and to quadruple for the over-85-year age group [1].Non-Hodgkin's lymphoma (NHL) is the sixth most common cancer, and the sixth most common cause of death in men and the seventh in women [2]. The risk of NHL rises with age, from 0.15 (1 in 658) from birth through age 39 years to 1.25 (1 in 80) from age 60 to 79 years (1). Moreover, the incidence of NHL has been increasing by 1-2% annually over the past 2 decades, most dramatically in people over 60 years old. The greatest change in incidence was noted in older (75-84 years) white men, in whom the rate rose from 19 per 100 000 person-years to 99 per 100 000 person-years [3]. Accordingly, NHL has become an increasingly important cause of morbidity and mortality in the aging population. Age greater than 60 years is a recognized adverse prognostic factor for NHL. Overall survival decreases with increasing age, and patients over 70 years old have worse outcomes than patients 60 to 70 years old [4]. Several factors may account for this finding [5]:• Differences in disease biology by age group.• Presence of co-morbid illnesses which are more common in the elderly.• Altered pharmacokinetics in the elderly and poorer host tissue tolerance.• Changes in bone marrow hematopoietic reserve and microenvironment with increasing age, which may lead to increased treatment-related myelotoxicity.• Higher rate of treatment-rela...