Evaluation of Second Solid Cancers After Hematopoietic Stem Cell Transplantation in European Patients.

Tichelli, André; Beohou, Eric; Labopin, Myriam; Socié, Gérard; Rovó, Alicia; Badoglio, Manuela; van Biezen, Anja; Bader, Peter; Duarte, Rafael F; Basak, Grzegorz; Salooja, Nina (2018). Evaluation of Second Solid Cancers After Hematopoietic Stem Cell Transplantation in European Patients. JAMA oncology, 5(2), pp. 229-235. American Medical Association 10.1001/jamaoncol.2018.4934

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Importance Incidence and risk factors of second solid cancers (SSCs) that occur after hematopoietic stem cell transplantation (HSCT) are well documented. However, clinical outcome data of patients who developed an SSC after HSCT are limited. Objective To assess the outcome of patients with an SSC occurring after HSCT from the time of SSC diagnosis. Design, Setting, and Participants This cohort study used data of 4065 patients from 26 countries registered with the European Society for Blood and Marrow Transplantation, which has maintained clinical data since 1977 of patients who received a transplant. Information from all patients who underwent a transplant in Europe and had an SSC diagnosis between January 1, 2000, and December 31, 2014, was extracted. The cohort included patients with 18 different cancers. Data analysis was conducted from September 3, 2017, to March 17, 2018. Main Outcomes and Measures Median and 5-year age-standardized overall survival, causes of death, risk factor multivariate analysis using a clustered Cox proportional hazard regression model, and standardized mortality ratio were calculated for each of the 18 types of SSC. Results In total, 220 617 patients underwent a transplant, of whom only 4065 (1.8%) patients with a second solid cancer after HSCT were included in the study. Among the 4065 patients, 2321 (57.1%) were men and 1744 (42.9%) were women, with a mean (range) age of 59.1 (3.2-82.3) years at diagnosis of second solid cancer. The 5-year age-standardized overall survival was 47% (95% CI, 45%-49%). The 5-year overall survival rate after SSC diagnosis was poor for pancreas, lung, hepatobiliary, esophageal, brain, and gastric cancers, with a median survival between 0.6 and 1 year. The 5-year overall survival was intermediate for endometrial, colorectal, sarcomas, ovarian, bladder, oropharyngeal, and kidney cancers, with a median survival between 2 and 10 years. The 5-year overall survival was more favorable for melanoma, breast, prostate, cervix, and thyroid cancers, with a median survival of 10 or more years. Additional transplant-associated factors for mortality for patients treated with allogeneic HSCT were age at transplant, donor type, conditioning regimen, and graft-vs-host disease. In total, 1777 patients (43.7%) died, of which 1256 (74.8%) were from SSC, 344 (20.5%) from primary disease, and 79 (4.7%) from other causes. Standardized mortality ratio was higher, compared with de novo solid cancers, for melanoma, prostate, breast, kidney, bladder, colorectal, and endometrial cancers but not for the other cancers. Conclusions and Relevance The outcome of SSC is mainly dependent on the type of second cancer; thus, future studies should investigate the reasons the standardized mortality ratio is higher for some cancers to identify whether patients with these cancers should be treated differently and to help in screening and counseling patients who developed an SSC after HSCT.

Item Type:

Journal Article (Original Article)


04 Faculty of Medicine > Department of Haematology, Oncology, Infectious Diseases, Laboratory Medicine and Hospital Pharmacy (DOLS) > Clinic of Haematology and Central Haematological Laboratory

UniBE Contributor:

Rovó, Alicia


600 Technology > 610 Medicine & health




American Medical Association




Pierrette Durand Lüthi

Date Deposited:

08 Jan 2019 13:46

Last Modified:

22 Oct 2019 16:35

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