• Assessing treatment response and prognosis by serum and tissue metabolomics in breast cancer patients 

      Debik, Julia Barbara; Euceda, Leslie R.; Lundgren, Steinar; Gythfeldt, Hedda; Garred, Øystein; Borgen, Elin; Engebråten, Olav; Bathen, Tone Frost; Giskeødegård, Guro F. (Journal article; Peer reviewed, 2019)
      Patients with locally advanced breast cancer have a worse prognosis compared to patients with localized tumors and require neoadjuvant treatment before surgery. The aim of this study was to characterize the systemic metabolic ...
    • Breast Cancer Patients’ Experiences with Information and Communication in Cancer Disease Trajectories 

      Brattheim, Berit J; Sand, Kari; Gilstad, Heidi; Stalsberg, Ragna; Lundgren, Steinar; Reidunsdatter, Randi Johansen (Journal article; Peer reviewed, 2017)
      Patients’ experiences have been used as an indicator for hospital quality for a long time. The concept of patient experiences has many facets. One aspect of particular importance for optimal treatment and patients’ quality ...
    • CHEK2 Mutations Affecting Kinase Activity Together With Mutations in TP53 Indicate a Functional Pathway Associated with Resistance to Epirubicin in Primary Breast Cancer 

      Chrisanthar, Ranjan; Knappskog, Stian; Løkkevik, Erik; Anker, Gun Birgitta; Østenstad, Bjørn; Lundgren, Steinar; Berge, Elisabet Ognedal; Risberg, Terje; Mjaaland, Ingvil; Mæhle, Lovise; Engebretsen, Lars Fredrik; Lillehaug, Johan; Lønning, Per Eystein (Journal article; Peer reviewed, 2008)
      Background: Chemoresistance is the main obstacle to cure in most malignant diseases. Anthracyclines are among the main drugs used for breast cancer therapy and in many other malignant conditions. Single parameter analysis ...
    • Concomitant inactivation of the p53- and pRB- functional pathways predicts resistance to DNA damaging drugs in breast cancer in vivo 

      Knappskog, Stian; Berge, Elisabet Ognedal; Chrisanthar, Ranjan; Geisler, Stephanie; Staalesen, Vidar; Leirvaag, Beryl; Yndestad, Synnøve; de Faveri, Elise Norheim; Karlsen, Bård Ove; Wedge, David C.; Akslen, Lars A.; Lilleng, Peer Kåre; Løkkevik, Erik; Lundgren, Steinar; Østenstad, Bjørn; Risberg, Terje; Mjaaland, Ingvil; Aas, Turid; Lønning, Per Eystein (Peer reviewed; Journal article, 2015)
      Chemoresistance is the main obstacle to cancer cure. Contrasting studies focusing on single gene mutations, we hypothesize chemoresistance to be due to inactivation of key pathways affecting cellular mechanisms such as ...
    • Dietary changes in early-stage breast cancer patients from pre-surgery and over the 12 months post-surgery 

      Brunvoll, Sonja Hjellegjerde; Thune, Inger; Bertheussen, Gro Falkener; Fjeldheim, Frøydis Nyborg; Flote, Vidar Gordon; Frydenberg, Hanne; Lundgren, Steinar; Skjerven, Helle; Lømo, Jon; Fagerland, Morten; McTiernan, Anne; Schlichting, Ellen; Hjartåker, Anette (Peer reviewed; Journal article, 2020)
      The time after a breast cancer diagnosis is a potential period for making positive dietary changes, but previous results are conflicting. The main aim of the present study was to study breast cancer patients’ dietary changes ...
    • Diversity in changes of HRQoL over a one-year period after radiotherapy in Norwegian breast cancer survivors – results of cluster analyses 

      Lazarewicz, Magdalena Anna; Wlodarczyk, Dorota; Lundgren, Steinar; Reidunsdatter, Randi Johansen (Journal article; Peer reviewed, 2019)
      Purpose The diversity in long-term changes in health-related quality of life (HRQoL) among breast cancer (BC) survivors is poorly understood. The aim of this study was to identify clusters of trajectories (subgroups of ...
    • Do Breast Cancer Patients Manage to Participate in an Outdoor, Tailored, Physical Activity Program during Adjuvant Breast Cancer Treatment, Independent of Health and Socio-Demographic Characteristics? 

      Stalsberg, Ragna; Bertheussen, Gro Falkener; Børset, Harriet; Thomsen, Simon Nørskov; Husøy, Anders; Flote, Vidar Gordon; Thune, Inger; Lundgren, Steinar (Peer reviewed; Journal article, 2022)
      Exercise could reduce the side-effects of adjuvant breast cancer treatment; however, socio-demographic, health, and intervention conditions may affect patients’ adherence to interventions. This study aimed to examine ...
    • Evaluation of metabolomic changes during neoadjuvant chemotherapy combined with bevacizumab in breast cancer using MR spectroscopy 

      Euceda, Leslie R.; Haukaas, Tonje Husby; Giskeødegård, Guro F.; Vettukattil, Muhammad Riyas; Engel, Jasper; Silwal-Pandit, Laxmi; Lundgren, Steinar; Borgen, Elin; Garred, Øystein; Postma, Geert; Buydens, Lutgarde M.C.; Børresen-Dale, Anne-Lise; Engebråten, Olav; Bathen, Tone Frost (Journal article; Peer reviewed, 2017)
      Introduction Metabolomics investigates biochemical processes directly, potentially complementing transcriptomics and proteomics in providing insight into treatment outcome. Objectives This study aimed to use ...
    • Feasibility of contrast-enhanced MRI derived textural features to predict overall survival in locally advanced breast cancer. 

      Chronaiou, Ioanna; Giskeødegård, Guro F.; Goa, Pål Erik; Teruel, Jose; Hedayati, Roja; Lundgren, Steinar; Huuse, Else Marie; Pickles, Martin D.; Gibbs, Peter; Sitter, Beathe; Bathen, Tone Frost (Journal article; Peer reviewed, 2019)
      Background The prognosis for women with locally advanced breast cancer (LABC) is poor and there is a need for better treatment stratification. Gray-level co-occurrence matrix (GLCM) texture analysis of magnetic resonance ...
    • Feasibility of MR metabolomics for immediate analysis of resection margins during breast cancer surgery 

      Bathen, Tone Frost; Geurts, Brigitte; Sitter, Beathe; Fjøsne, Hans Erikssønn; Lundgren, Steinar; Buydens, Lutgarde M. C.; Gribbestad, Ingrid S; Postma, Geert; Giskeødegård, Guro F. (Journal article; Peer reviewed, 2013-04-17)
      In this study, the feasibility of high resolution magic angle spinning (HR MAS) magnetic resonance spectroscopy (MRS) of small tissue biopsies to distinguish between tumor and non-involved adjacent tissue was investigated. ...
    • Feasibility of MR Metabolomics for Immediate Analysis of Resection Margins during Breast Cancer Surgery 

      Bathen, Tone Frost; Geurts, Brigitte; Sitter, Beathe; Fjøsne, Hans Erikssønn; Lundgren, Steinar; Buydens, Lutgarde M. C.; Gribbestad, Ingrid S; Postma, Geert; Giskeødegård, Guro F. (Journal article; Peer reviewed, 2013)
      In this study, the feasibility of high resolution magic angle spinning (HR MAS) magnetic resonance spectroscopy (MRS) of small tissue biopsies to distinguish between tumor and non-involved adjacent tissue was investigated. ...
    • Genome-Wide Profile of Pleural Mesothelioma versus Parietal and Visceral Pleura: The emerging Gene Portrait of the Mesothelioma Phenotype 

      Røe, Oluf Dimitri; Anderssen, Endre; Helge, Eli; Pettersen, Caroline Hild; Olsen, Karina Standahl; Sandeck, H; Haaverstad, Rune; Lundgren, Steinar; Larsson, Erik (Journal article; Peer reviewed, 2009)
    • Homologous Recombination Deficiency Across Subtypes of Primary Breast Cancer 

      Yndestad, Synnøve; Engebrethsen, Christina; Herencia-Ropero, A.; Nikolaienko, Oleksii; Vintermyr, Olav Karsten; Lillestøl, Reidun Kristine; Minsaas, Laura; Leirvaag, Beryl; Iversen, Gjertrud Titlestad; Gilje, Bjørnar; Blix, Egil Støre; Espelid, Helge; Lundgren, Steinar; Geisler, Jürgen; Aase, Hildegunn Siv; Aas, Turid; Gudlaugsson, Einar; Llop-Guevara, Alba; Serra, Violeta; Janssen, Emiel; Lønning, Per Eystein; Knappskog, Stian; Eikesdal, Hans Petter (Peer reviewed; Journal article, 2023)
      Purpose Homologous recombination deficiency (HRD) is highly prevalent in triple-negative breast cancer (TNBC) and associated with response to PARP inhibition (PARPi). Here, we studied the prevalence of HRD in non-TNBC to ...
    • Immune phenotype of tumor microenvironment predicts response to bevacizumab in neoadjuvant treatment of ER-positive breast cancer 

      Gythfeldt, Hedda von der Lippe; Lien, Tonje Gulbrandsen; Tekpli, Xavier; Silwal-Pandit, Laxmi; Borgen, Elin; Garred, Øystein; Skjerven, Helle; Schlichting, Ellen; Lundgren, Steinar; Wist, Erik; Naume, Bjørn; Kristensen, Vessela N.; Børresen-Dale, Anne-Lise; Lingjærde, Ole Christian; Engebråten, Olav (Peer reviewed; Journal article, 2020)
      Antiangiogenic drugs are potentially a useful supplement to neoadjuvant chemotherapy for a subgroup of patients with human epidermal growth factor receptor 2 (HER2) negative breast cancer, but reliable biomarkers for ...
    • Long term survival and local control outcomes from single dose targeted intraoperative radiotherapy during lumpectomy (TARGIT-IORT) for early breast cancer: TARGIT-A randomised clinical trial 

      Vaidya, Jayant S; Bulsara, Max; Baum, Michael; Wenz, Frederik; Massarut, Samuele; Pigorsch, Steffi; Alvarado, Michael; Douek, Michael; Saunders, Christobel; Flyger, Henrik; Eiermann, Wolfgang; Brew-Graves, Chris; Williams, Norman R; Potyka, Ingrid; Roberts, Nicholas; Bernstein, Marcelle; Brown, Douglas; Sperk, Elena; Laws, Siobhan; Sütterlin, Marc; Corica, Tammy; Lundgren, Steinar; Holmes, Dennis; Vinante, Lorenzo; Bozza, Fernando; Pazos, Montserrat; Le Blanc-Onfroy, Magali; Gruber, Günther; Polkowski, Wojciech; Dedes, Konstantin J; Niewald, Marcus; Blohmer, Jens; McCready, David; Hoefer, Richard; Kelemen, Pond; Petralia, Gloria; Falzon, Mary; Joseph, David J; Tobias, Jeffrey S (Journal article; Peer reviewed, 2020)
    • Long term survival and local control outcomes from single dose targeted intraoperative radiotherapy during lumpectomy (TARGIT-IORT) for early breast cancer: TARGIT-A randomised clinical trial 

      Vaidya, Jayant S; Bulsara, Max; Baum, Michael; Wenz, Frederik; Massarut, Samuele; Pigorsch, Steffi; Alvarado, Michael; Douek, Michael; Saunders, Christobel; Flyger, Henrik; Eiermann, Wolfgang; Brew-Graves, Chris; Williams, Norman R; Potyka, Ingrid; Roberts, Nicholas; Bernstein, Marcelle; Brown, Douglas; Sperk, Elena; Laws, Siobhan; Sütterlin, Marc; Corica, Tammy; Lundgren, Steinar; Holmes, Dennis; Vinante, Lorenzo; Bozza, Fernando; Pazos, Montserrat; Le Blanc-Onfroy, Magali; Gruber, Günther; Polkowski, Wojciech; Dedes, Konstantin J; Niewald, Marcus; Blohmer, Jens; McCready, David; Hoefer, Richard; Kelemen, Pond; Petralia, Gloria; Falzon, Mary; Joseph, David J; Tobias, Jeffrey S (Peer reviewed; Journal article, 2020)
      Objective To determine whether risk adapted intraoperative radiotherapy, delivered as a single dose during lumpectomy, can effectively replace postoperative whole breast external beam radiotherapy for early breast ...
    • Longitudinal Changes in Circulating Metabolites and Lipoproteins After Breast Cancer Treatment 

      Giskeødegård, Guro F.; Madssen, Torfinn Støve; Sangermani, Matteo; Lundgren, Steinar; Wethal, Torgeir; Andreassen, Trygve; Reidunsdatter, Randi Johansen; Bathen, Tone Frost (Peer reviewed; Journal article, 2022)
      The multimodal treatment of breast cancer may induce long term effects on the metabolic profile and increase the risk of future cardiovascular disease. In this study, we characterized longitudinal changes in serum lipoprotein ...
    • Low expression levels of ATM may substitute for CHEK2/TP53 mutations predicting resistance towards anthracycline and mitomycin chemotherapy in breast cancer 

      Knappskog, Stian; Chrisanthar, Ranjan; Løkkevik, Erik; Anker, Gun Birgitta; Østenstad, Bjørn; Lundgren, Steinar; Risberg, Terje; Mjaaland, Ingvil; Leirvaag, Beryl; Miletic, Hrvoje; Lønning, Per Eystein (Journal article; Peer reviewed, 2012)
      Introduction Mutations affecting p53 or its upstream activator Chk2 are associated with resistance to DNA-damaging chemotherapy in breast cancer. ATM (Ataxia Telangiectasia Mutated protein) is the key activator of p53 ...
    • Metabolic characterization of triple negative breast cancer 

      Cao, Maria Dung; Lamichhane, Santosh; Lundgren, Steinar; Bofin, Anna M.; Fjøsne, Hans Erikssønn; Giskeødegård, Guro F.; Bathen, Tone Frost (Journal article; Peer reviewed, 2014)
      Background The aims of this study were to characterize the metabolite profiles of triple negative breast cancer (TNBC) and to investigate the metabolite profiles associated with human epidermal growth factor receptor-2/neu ...
    • Metabolic profiles of brain metastases 

      Sjøbakk, Torill Eidhammer; Vettukattil, Riyas M; Gulati, Michel; Gulati, Sasha; Lundgren, Steinar; Gribbestad, Ingrid S; Torp, Sverre Helge; Bathen, Tone Frost (Journal article; Peer reviewed, 2013)
      Metastasis to the brain is a feared complication of systemic cancer, associated with significant morbidity and poor prognosis. A better understanding of the tumor metabolism might help us meet the challenges in controlling ...