Indian Journal of Ophthalmology

FEATURED ARTICLE
Year
: 2018  |  Volume : 66  |  Issue : 10  |  Page : 1395--1400

Mortality after deferral of treatment or no treatment for choroidal melanoma


Bradley R Straatsma1, Marie Diener-West2, Robert Caldwell1, Robert E Engstrom1, For The Collaborative Ocular Melanoma Study Group*3 
1 Jules Stein Eye Institute and Department of Ophthalmology, David Geffen School of Medicine at University of California Los Angeles, Los Angeles, CA, USA
2 Department of Biostatistics, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MA, USA

Correspondence Address:
Dr. Bradley R Straatsma
Jules Stein Eye Institute, David Geffen School of Medicine at UCLA, 100 Stein Plaza, UCLA, Los Angeles, CA - 90095-7000
USA

Purpose: To report mortality of patients who were eligible for enrollment in the Collaborative Ocular Melanoma Study (COMS) clinical trials of medium-sized choroidal melanoma or large-sized choroidal melanoma but chose to defer treatment or receive no melanoma treatment. Design: Prospective nonrandomized multicenter cohort study as an adjunct to COMS randomized clinical trials. Methods: Patient follow-up procedures included examinations, correspondence, telephone contacts, and National Death Index searches. Primary outcome was patient death measured by all-cause mortality. Secondary outcomes were melanoma treatment and melanoma metastasis. Results: Of 77 patients eligible for COMS clinical trials who chose to defer or receive no melanoma treatment, 61 were appropriate candidates and 45 (74%) enrolled in the natural history study (NHS). In all, 42 patients (42 eyes) had medium melanoma, and the median follow-up was 5.3 years (range, 4–10.7 years). In all, 22 patients (52%) had subsequent melanoma treatment, and 20 (48%) had no melanoma treatment. For the 42 patients, Kaplan–Meier estimate of 5-year mortality was approximately 30% [95% confidence interval (CI), 18%–47%]. For COMS medium melanoma trial, 5-year mortality was 18% (95% CI, 16%–20%), not statistically significantly different from the NHS patients. After adjusting for differences in age and longest basal diameter, the 5-year risk of death for NHS patients versus COMS trial patients was 1.54 (95% CI, 0.93–2.56). Three patients had large melanoma. Melanoma metastasis was confirmed or suspected in 8 (42%) of 19 deaths. Conclusion: Greater mortality and higher risk of death for NHS patients are probative but not conclusive evidence of a beneficial, life-extending effect of medium melanoma treatment.


How to cite this article:
Straatsma BR, Diener-West M, Caldwell R, Engstrom RE, For The Collaborative Ocular Melanoma Study Group*. Mortality after deferral of treatment or no treatment for choroidal melanoma.Indian J Ophthalmol 2018;66:1395-1400


How to cite this URL:
Straatsma BR, Diener-West M, Caldwell R, Engstrom RE, For The Collaborative Ocular Melanoma Study Group*. Mortality after deferral of treatment or no treatment for choroidal melanoma. Indian J Ophthalmol [serial online] 2018 [cited 2019 Nov 18 ];66:1395-1400
Available from: http://www.ijo.in/article.asp?issn=0301-4738;year=2018;volume=66;issue=10;spage=1395;epage=1400;aulast=Straatsma;type=0