Grit Sommer
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View article: How mothers and fathers support adult childhood cancer survivors: parental attitudes, involvement, and motivation toward long-term follow-up care (results from the Swiss Childhood Cancer Survivor Study – Parents)
How mothers and fathers support adult childhood cancer survivors: parental attitudes, involvement, and motivation toward long-term follow-up care (results from the Swiss Childhood Cancer Survivor Study – Parents) Open
Purpose Many childhood cancer survivors (CCS) do not attend long-term follow-up (LTFU) care. We examined (1) the involvement of mothers and fathers, (2) their attitudes towards LTFU, (3) how they motivated their adult children to attend, (…
View article: The childhood cancer registry in Switzerland: methods and results in 2025
The childhood cancer registry in Switzerland: methods and results in 2025 Open
Summary Aims Nationwide registration of childhood cancers in Switzerland began in 1976. With the implementation of the Federal Law on Cancer Registration in 2020, cancer registration became compulsory, and methods were standardized nationw…
View article: Longitudinal Patterns of Fatigue in Long‐Term Survivors of Childhood and Adolescent Cancers: A Report From the Swiss Childhood Cancer Survivor Study
Longitudinal Patterns of Fatigue in Long‐Term Survivors of Childhood and Adolescent Cancers: A Report From the Swiss Childhood Cancer Survivor Study Open
Background Fatigue negatively affects quality of life. We aimed to compare the prevalence of fatigue in survivors of childhood cancer with the Swiss general population, describe longitudinal patterns of fatigue, and identify characteristic…
View article: Evaluation of a new, community-based screening program to detect hearing loss in adult childhood cancer survivors in Switzerland – Findings from the HEAR study
Evaluation of a new, community-based screening program to detect hearing loss in adult childhood cancer survivors in Switzerland – Findings from the HEAR study Open
2. Abstract Purpose Childhood cancer survivors have an increased risk of long-term health complications, including treatment-related hearing loss. Although early detection is important, many adult survivors do not attend hearing screenings…
View article: Prevalence of differences of sex development among pediatric endocrine care centers in Switzerland from 2000-2019
Prevalence of differences of sex development among pediatric endocrine care centers in Switzerland from 2000-2019 Open
Objective Reliable data on prevalence of differences of sex development (DSD) are lacking. We aimed to estimate population-based prevalence of DSD among pediatric endocrine care centers in Switzerland. Design Retrospective population-based…
View article: Awareness about the risk of hearing loss after ototoxic treatments in Swiss childhood cancer survivors
Awareness about the risk of hearing loss after ototoxic treatments in Swiss childhood cancer survivors Open
Educating CCS about potential late effects of ototoxic treatments is important to allow early diagnosis and treatment, especially for those who had cancer longer ago and those exposed to cranial radiation.
View article: Oligogenic analysis across broad phenotypes of 46,XY differences in sex development associated with NR5A1/SF-1 variants: findings from the international SF1next study
Oligogenic analysis across broad phenotypes of 46,XY differences in sex development associated with NR5A1/SF-1 variants: findings from the international SF1next study Open
View article: Assessing Pulmonary Function in Children and Adolescents After Cancer Treatment: Protocol for a Multicenter Cohort Study (Swiss Childhood Cancer Survivor Study FollowUp–Pulmo)
Assessing Pulmonary Function in Children and Adolescents After Cancer Treatment: Protocol for a Multicenter Cohort Study (Swiss Childhood Cancer Survivor Study FollowUp–Pulmo) Open
Background Childhood cancer survivors (CCS) are at risk of pulmonary dysfunction due to cancer treatments, but evidence on prevalence and risk factors remains limited. Most previous studies had small sample sizes or retrospective study des…
View article: Health-related quality of life in parents of long-term childhood cancer survivors: a report from the Swiss Childhood Cancer Survivor Study - Parents
Health-related quality of life in parents of long-term childhood cancer survivors: a report from the Swiss Childhood Cancer Survivor Study - Parents Open
View article: Assessing pulmonary function in children and adolescents after cancer treatment: protocol for a multicenter cohort study (SCCSS FollowUp–Pulmo) (Preprint)
Assessing pulmonary function in children and adolescents after cancer treatment: protocol for a multicenter cohort study (SCCSS FollowUp–Pulmo) (Preprint) Open
BACKGROUND Childhood cancer survivors (CCS) are at risk of pulmonary dysfunction due to cancer treatments, but evidence on prevalence and risk factors remains limited. Most previous studies had small sample sizes or retrospective study de…
View article: Awareness about the risk of hearing loss after ototoxic treatments in Swiss childhood cancer survivors
Awareness about the risk of hearing loss after ototoxic treatments in Swiss childhood cancer survivors Open
Objectives The International Guideline Harmonization Group recommends childhood cancer survivors (CCS) exposed to ototoxic treatments be aware of the risk of hearing loss. We assessed awareness among adult CCS. Methods We identified adults…
View article: Childhood growth of singletons conceived following intracytoplasmic sperm injection – irrelevance of gonadotropin stimulation
Childhood growth of singletons conceived following intracytoplasmic sperm injection – irrelevance of gonadotropin stimulation Open
Background In conventional, gonadotropin stimulated, in vitro fertilization or intracytoplasmic sperm injection (c-IVF/ICSI) growth and development of multiple follicles is induced by gonadotropins, combined with gonadotropin-releasing hor…
View article: Parental smoking and respiratory outcomes in young childhood cancer survivors
Parental smoking and respiratory outcomes in young childhood cancer survivors Open
Background Passive exposure to cigarette smoke has negative effects on respiratory health. Childhood cancer survivors (CCS) are at an increased risk for respiratory disease due to treatment regimens that may harm the respiratory system. Th…
View article: Characterization of 35 Novel <i>NR5A1</i>/SF-1 Variants Identified in Individuals With Atypical Sexual Development: The SF1next Study
Characterization of 35 Novel <i>NR5A1</i>/SF-1 Variants Identified in Individuals With Atypical Sexual Development: The SF1next Study Open
Context Steroidogenic factor 1 (NR5A1/SF-1) is a nuclear receptor that regulates sex development, steroidogenesis, and reproduction. Genetic variants in NR5A1/SF-1 are common among differences of sex development (DSD) and associate with a …
View article: Incidence and prevalence of musculoskeletal health conditions in survivors of childhood and adolescent cancers: A report from the Swiss childhood cancer survivor study
Incidence and prevalence of musculoskeletal health conditions in survivors of childhood and adolescent cancers: A report from the Swiss childhood cancer survivor study Open
Purpose Childhood cancer and its treatment can cause damage to the musculoskeletal system. We aimed to determine the incidence and prevalence of musculoskeletal health conditions (MSHC) in survivors, and to investigate differences by cance…
View article: Prevalence of differences of sex development in children and adolescents in Switzerland from 2000-2019
Prevalence of differences of sex development in children and adolescents in Switzerland from 2000-2019 Open
Objective Reliable data on prevalence of differences of sex development (DSD) are lacking. We aimed to estimate population-based prevalence of DSD in Switzerland. Design Retrospective population-based study including children and adolescen…
View article: Recommendations for surveillance of pulmonary dysfunction among childhood, adolescent, and young adult cancer survivors: a report from the International Late Effects of Childhood Cancer Guideline Harmonization Group
Recommendations for surveillance of pulmonary dysfunction among childhood, adolescent, and young adult cancer survivors: a report from the International Late Effects of Childhood Cancer Guideline Harmonization Group Open
View article: Implementation of the Short-Form 36 (SF-36) in childhood cancer survivors: An analysis on measurement properties across 5 European countries
Implementation of the Short-Form 36 (SF-36) in childhood cancer survivors: An analysis on measurement properties across 5 European countries Open
Purpose The Short Form-36 (SF-36) is widely used in many research contexts and cultures to assess health-related quality of life (HRQOL). We investigated the measurement properties of the SF-36 in a large cohort study among childhood cance…
View article: Clinical and genetic characteristics of a large international cohort of individuals with rare NR5A1/SF-1 variants of sex development
Clinical and genetic characteristics of a large international cohort of individuals with rare NR5A1/SF-1 variants of sex development Open
Swiss National Science Foundation (320030-197725) and Boveri Foundation Zürich, Switzerland.
View article: Cumulative Absolute Risk of Subsequent Colorectal Cancer After Abdominopelvic Radiotherapy Among Childhood Cancer Survivors: A PanCareSurFup Study
Cumulative Absolute Risk of Subsequent Colorectal Cancer After Abdominopelvic Radiotherapy Among Childhood Cancer Survivors: A PanCareSurFup Study Open
PURPOSE Childhood cancer survivors are at the risk of developing subsequent colorectal cancers (CRCs), but the absolute risks by treatment modality are uncertain. We quantified the absolute risks by radiotherapy treatment characteristics u…
View article: Childhood growth of singletons conceived following assisted reproductive technology - does gonadotropin stimulation matter?
Childhood growth of singletons conceived following assisted reproductive technology - does gonadotropin stimulation matter? Open
Purpose: To investigate whether gonadotropin stimulation influences growth or weight gain of children conceived following assisted reproductive technology. Methods: We conducted a single-center, prospective cohort study (2010–2017) includi…
View article: THU207 11-oxygenated Androgens Are Strongly Associated With Treatment Quality In Children With Congenital Adrenal Hyperplasia Due To 21-Hydroxylase Deficiency
THU207 11-oxygenated Androgens Are Strongly Associated With Treatment Quality In Children With Congenital Adrenal Hyperplasia Due To 21-Hydroxylase Deficiency Open
Disclosure: O. Abawi: None. T. Du Toit: None. G. Sommer: None. C.D. Vögel: None. M. Groessl: None. U. Halbsguth: None. S.E. Hannema: None. C. de Bruin: None. E. Charmandari: None. E.L. van den Akker: None. C.E. Flueck: None. Introduction: …
View article: THU208 Predicting Treatment Quality Assessment Of Children With Congenital Adrenal Hyperplasia Using 24h Urine Metabolomics Profiling And A Machine Learning-assisted Approach
THU208 Predicting Treatment Quality Assessment Of Children With Congenital Adrenal Hyperplasia Using 24h Urine Metabolomics Profiling And A Machine Learning-assisted Approach Open
Disclosure: O. Abawi: None. G. Sommer: None. M. Groessl: None. U. Halbsguth: None. S.E. Hannema: None. C. de Bruin: None. E. Charmandari: None. E.L. van den Akker: None. A.B. Leichtle: None. C.E. Flueck: None. Introduction: Current treatme…
View article: Auditory complications among childhood cancer survivors and health-related quality of life: a PanCareLIFE study
Auditory complications among childhood cancer survivors and health-related quality of life: a PanCareLIFE study Open
View article: Recommendations for surveillance of pulmonary dysfunction among childhood, adolescent, and young adult cancer survivors: a report from the International Late Effects of Childhood Cancer Guideline Harmonization Group
Recommendations for surveillance of pulmonary dysfunction among childhood, adolescent, and young adult cancer survivors: a report from the International Late Effects of Childhood Cancer Guideline Harmonization Group Open
Childhood, adolescent, and young adult (CAYA) cancer survivors are at risk of pulmonary dysfunction. Current follow-up care guidelines are discordant. Therefore, the International Late Effects of Childhood Cancer Guideline Harmonization Gr…
View article: Impaired health-related quality of life in long-COVID syndrome after mild to moderate COVID-19
Impaired health-related quality of life in long-COVID syndrome after mild to moderate COVID-19 Open
A growing number of patients with SARS-CoV-2 infections experience long-lasting symptoms. Even patients who suffered from a mild acute infection show a variety of persisting and debilitating neurocognitive, respiratory, or cardiac symptoms…
View article: Health-related quality of life before and during the COVID-19 pandemic in Switzerland: a cross-sectional study
Health-related quality of life before and during the COVID-19 pandemic in Switzerland: a cross-sectional study Open
View article: Auditory Complications among Childhood Cancer Survivors and Health-related Quality of Life: A PanCareLIFE study
Auditory Complications among Childhood Cancer Survivors and Health-related Quality of Life: A PanCareLIFE study Open
Auditory complications are potential side effects from childhood cancer treatment. Yet, limited evidence exists about the impact of auditory complications—particularly tinnitus—on health-related quality of life (HRQoL) among childhood canc…
View article: Leukocyte Telomere Length in Children With Congenital Adrenal Hyperplasia
Leukocyte Telomere Length in Children With Congenital Adrenal Hyperplasia Open
Context Exposure to chronic stress and hypercortisolism is associated with decreased leukocyte telomere length (LTL), a marker for biological aging and cardiovascular disease. Children with congenital adrenal hyperplasia (CAH) are treated …
View article: Stable Metabolic Control but Increased Demand for Professional Support in Children with Type 1 Diabetes in the Past Ten Years in Bern/Switzerland: A Quality Control Study
Stable Metabolic Control but Increased Demand for Professional Support in Children with Type 1 Diabetes in the Past Ten Years in Bern/Switzerland: A Quality Control Study Open
Introduction. Lower HbA1c targets and increasingly complex diabetes management with substantially increasing costs dominate today’s type 1 diabetes therapy in children and adolescents. Objective. To evaluate metabolic control in children a…