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J Clin Oncol. 2009 Mar 10;27(8):1209-13. doi: 10.1200/JCO.2008.19.6121. Epub 2009 Feb 2.

Outcome of deferred initial therapy in mantle-cell lymphoma.

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1
Starr Building Rm 340, Weill Cornell Medical College and New York Presbyterian Hospital, 520 E 70th St, New York, NY 10021, USA.

Abstract

PURPOSE:

Treatment of mantle-cell lymphoma (MCL) is nonstandardized, though patients are commonly treated immediately at diagnosis. Because data on observation, or "watch and wait," have not been previously reported, we analyzed the outcome of deferred initial therapy.

PATIENTS AND METHODS:

Inclusion criteria in this retrospective analysis were a diagnosis of MCL between 1997 and 2007 and known date of first treatment. Hospital and research charts were reviewed for prognostic and treatment-related information. Date of death was derived from hospital records and confirmed using an online Social Security death index.

RESULTS:

Of 97 patients with MCL evaluated at Weill Cornell Medical Center, 31 patients (32%) were observed for more than 3 months before initial systemic therapy, with median time to treatment for the observation group of 12 months (range, 4 to 128 months). The observation group (median follow-up, 55 months) had a median age of 58 years (range, 40 to 81 years). Prognostic factors in assessable patients included advanced stage (III/IV) in 75%, elevated lactate dehydrogenase in 25%, and intermediate- or high-risk Mantle Cell International Prognostic Index in 54%. Better performance status and lower-risk standard International Prognostic Index scores were more commonly present in those undergoing observation. Although time to treatment did not predict overall survival in a multivariate analysis, the survival profile of the observation group was statistically superior to that of the early treatment group (not reached v 64 months, P = .004).

CONCLUSION:

In selected asymptomatic patients with MCL, deferred initial treatment ("watch and wait") is an acceptable management approach.

PMID:
19188674
DOI:
10.1200/JCO.2008.19.6121
[Indexed for MEDLINE]
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