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- Benoni, Henrik, et al.
(author)
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Relative and absolute cancer risks among Nordic kidney transplant recipients-a population-based study
- 2020
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In: Transplant International. - : WILEY. - 0934-0874 .- 1432-2277. ; 33:12, s. 1700-1710
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Journal article (peer-reviewed)abstract
- Kidney transplant recipients (KTRs) have an increased cancer risk compared to the general population, but absolute risks that better reflect the clinical impact of cancer are seldom estimated. All KTRs in Sweden, Norway, Denmark, and Finland, with a first transplantation between 1995 and 2011, were identified through national registries. Post-transplantation cancer occurrence was assessed through linkage with cancer registries. We estimated standardized incidence ratios (SIR), absolute excess risks (AER), and cumulative incidence of cancer in the presence of competing risks. Overall, 12 984 KTRs developed 2215 cancers. The incidence rate of cancer overall was threefold increased (SIR 3.3, 95% confidence interval [CI]: 3.2-3.4). The AER of any cancer was 1560 cases (95% CI: 1468-1656) per 100 000 person-years. The highest AERs were observed for nonmelanoma skin cancer (838, 95% CI: 778-901), non-Hodgkin lymphoma (145, 95% CI: 119-174), lung cancer (126, 95% CI: 98.2-149), and kidney cancer (122, 95% CI: 98.0-149). The five- and ten-year cumulative incidence of any cancer was 8.1% (95% CI: 7.6-8.6%) and 16.8% (95% CI: 16.0-17.6%), respectively. Excess cancer risks were observed among Nordic KTRs for a wide range of cancers. Overall, 1 in 6 patients developed cancer within ten years, supporting extensive post-transplantation cancer vigilance.
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- Bens, Annet, et al.
(author)
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Worse survival after breast cancer in women with anorexia nervosa
- 2018
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In: Breast Cancer Research and Treatment. - : SPRINGER. - 0167-6806 .- 1573-7217. ; 168:2, s. 495-500
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Journal article (peer-reviewed)abstract
- A history of anorexia nervosa has been associated with a reduced risk of developing breast cancer. We investigated survival after breast cancer among women with a prior anorexia nervosa diagnosis compared with women in a population comparison group. This register-based study included combined data from Sweden, Denmark and Finland. A total of 76 and 1462 breast cancer cases identified among 22,654 women with anorexia nervosa and 224,619 women in a population comparison group, respectively, were included in the study. Hazard ratios (HR) for overall and breast cancer-specific mortality after breast cancer diagnosis were estimated using Cox regression. Cause of death was available only for Swedish and Danish women; therefore, the analysis on breast cancer-specific mortality was restricted to these women. We observed 23 deaths after breast cancer among anorexia nervosa patients and 247 among population comparisons. The overall mortality after the breast cancer diagnosis was increased in women with a history of anorexia nervosa compared with population comparisons (HR 2.5, 95% CI 1.6-3.9) after adjustment for age, period and extent of disease. Results were similar for overall (HR 2.3, 95% CI 1.4-3.6) and breast cancer-specific mortality (HR 2.1, 95% CI 1.3-3.6) among Swedish and Danish women. We found that female breast cancer patients with a prior diagnosis of anorexia nervosa have a worse survival compared with other breast cancer patients.
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- Bermejo, Justo Lorenzo, et al.
(author)
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Age-time risk patterns of solid cancers in 60 901 non-Hodgkin lymphoma survivors from Finland, Norway and Sweden
- 2014
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In: British Journal of Haematology. - : Wiley. - 0007-1048. ; 164:5, s. 675-683
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Journal article (peer-reviewed)abstract
- Survival after non-Hodgkin lymphoma (NHL) has increased thanks to improved treatment but NHL survivors have an increased risk of second neoplasms. The assessment of cancer risk patterns after NHL may help to quantify the late side-effects of therapy. Poisson regression was used to estimate relative risks (RRs) and absolute incidence rates for nine solid tumours based on a nationwide cohort of 60 901 NHL survivors from Finland, Norway and Sweden. Patients were diagnosed between 1980 and 2006 and developed 6815 s neoplasms. NHL patients showed an increased risk of each of the nine investigated cancer sites: prostate and pancreas (both RRs 1.28), breast (1.37), colorectum (1.48), urinary bladder (1.52), stomach and lung (both RRs 1.87), skin (melanoma 2.27) and kidney (2.56). The RRs showed a U-shaped relationship with time after NHL for all nine-second cancer types. NHL diagnosis early in life was a risk factor for the development of second cancers with the exception of melanoma, but a risk excess was even observed in patients diagnosed with NHL at age 80+ years. The present study provides accurate estimates on the adverse late effects of NHL therapy, which should guide the establishment of cancer prevention strategies in NHL survivors.
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| 5. |
- Bolin, Kristian, et al.
(author)
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Characteristics of finasteride users in comparison with non-users: a Nordic nationwide study based on individual-level data from Denmark, Finland, and Sweden
- 2020
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In: Pharmacoepidemiology and Drug Safety. - : Wiley. - 1053-8569 .- 1099-1557. ; 29:4, s. 453-460
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Journal article (peer-reviewed)abstract
- Purpose: Published epidemiological studies on the association between finasterideuse and the risk of male breast cancer have been inconclusive due to methodologicallimitations including a few male breast cancer cases included. Determinants of malebreast cancer have been studied, but it remains unexplored whether these are alsorelated to finasteride use and thereby constitute potential confounders. This studyaimed to assess whether there are differences between finasteride users andnonusers with regard to numerous potential confounders.Methods: In total, 246 508 finasteride users (≥35 years) were identified in the pre-scription registries of Denmark (1995-2014), Finland (1997-2013), and Sweden(2005-2014). An equal number of nonusers were sampled. The directed acyclic graph(DAG) methodology was used to identify potential confounders for the associationbetween finasteride and male breast cancer. A logistic regression model comparedfinasteride users and nonusers with regard to potential confounders that were mea-surable in registries and population surveys.Results: Finasteride users had higher odds of testicular abnormalities (odds ratio[OR] 1.40; 95% confidence interval [CI] 1.36-1.44), obesity (1.31; 1.23-1.39), exoge-nous testosterone (1.61; 1.48-1.74), radiation exposure (1.22; 1.18-1.27), and diabe-tes (1.07; 1.04-1.10) and lower odds of occupational exposure in perfume industry orin high temperature environments (0.93; 0.87-0.99), living alone (0.89; 0.88-0.91), liv-ing in urban/suburban areas (0.97; 0.95-0.99), and physical inactivity (0.70;0.50-0.99) compared to nonusers.Conclusions: Systematic differences between finasteride users and nonusers werefound emphasizing the importance of confounder adjustment of associationsbetween finasteride and male breast cancer.
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| 6. |
- Bosetti, Cristina, et al.
(author)
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High constant incidence rates of second primary cancers of the head and neck: a pooled analysis of 13 cancer registries
- 2011
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In: International Journal of Cancer. - : Wiley. - 0020-7136 .- 1097-0215. ; 129:1, s. 173-179
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Journal article (peer-reviewed)abstract
- Scanty data are available on the incidence (i.e., the absolute risk) of second cancers of the head and neck (HN) and its pattern with age. We investigated this issue using data from a multicentric study of 13 population-based cancer registries from Europe, Canada, Australia and Singapore for the years 1943-2000. A total of 99,257 patients had a first primary HN cancer (15,985 tongue, 22,378 mouth, 20,758 pharyngeal, and 40,190 laryngeal cancer), contributing to 489,855 person-years of follow-up. A total of 1,294 of the patients (1.3%) were diagnosed with second HN cancers (342 tongue, 345 mouth, 418 pharynx and 189 larynx). Male incidence rates of first HN cancer steeply increased from 0.68/100,000 at age 30-34 to 46.2/100,000 at age 70-74, and leveled off at older age; female incidence increased from 0.50/100,000 at age 30-34 to 16.5/100,000 at age 80-84. However, age-specific incidence of second HN cancers after a first HN cancer in men was around 200-300/100,000 between age 40-44 and age 70-74 and tended to decline at subsequent ages (150/100,000 at age 80-84); in women, incidence of second HN cancers was around 200-300/100,000 between age 45-49 and 80-84. The patterns of age-specific incidence were consistent for different subsites of second HN cancer and sexes; moreover, they were similar for age-specific incidence of first primary HN cancer in patients who subsequently developed a second HN cancer. The incidence of second HN cancers does not increase with age, but remains constant, or if anything, decreases with advancing age.
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| 7. |
- Chen, Tianhui, et al.
(author)
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Circulating sex steroids during pregnancy and maternal risk of non-epithelial ovarian cancer
- 2011
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In: Cancer Epidemiology, Biomarkers and Prevention. - 1055-9965 .- 1538-7755. ; 20:2, s. 324-336
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Journal article (peer-reviewed)abstract
- This is the first prospective study providing initial evidence that elevated androgens play a role in the pathogenesis of SCST. Impact: Our study may note a particular need for larger confirmatory investigations on sex steroids and NEOC. Cancer Epidemiol Biomarkers Prev; 20(2); 324-36. ©2010 AACR.
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| 8. |
- Chen, Zhishan, et al.
(author)
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Fine-mapping analysis including over 254 000 East Asian and European descendants identifies 136 putative colorectal cancer susceptibility genes
- 2024
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In: Nature Communications. - : Springer Nature. - 2041-1723. ; 15:1
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Journal article (peer-reviewed)abstract
- Genome-wide association studies (GWAS) have identified more than 200 common genetic variants independently associated with colorectal cancer (CRC) risk, but the causal variants and target genes are mostly unknown. We sought to fine-map all known CRC risk loci using GWAS data from 100,204 cases and 154,587 controls of East Asian and European ancestry. Our stepwise conditional analyses revealed 238 independent association signals of CRC risk, each with a set of credible causal variants (CCVs), of which 28 signals had a single CCV. Our cis-eQTL/mQTL and colocalization analyses using colorectal tissue-specific transcriptome and methylome data separately from 1299 and 321 individuals, along with functional genomic investigation, uncovered 136 putative CRC susceptibility genes, including 56 genes not previously reported. Analyses of single-cell RNA-seq data from colorectal tissues revealed 17 putative CRC susceptibility genes with distinct expression patterns in specific cell types. Analyses of whole exome sequencing data provided additional support for several target genes identified in this study as CRC susceptibility genes. Enrichment analyses of the 136 genes uncover pathways not previously linked to CRC risk. Our study substantially expanded association signals for CRC and provided additional insight into the biological mechanisms underlying CRC development.
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