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H. Frederiksen · SciRah

Researcher profile · Semantic Scholar

H. Frederiksen

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H. Frederiksen — researcher profile on SciRah

h-index: 45
Works: 251
Citations: 6,817

Most-cited papers

Antibody and T cell immune responses following mRNA COVID-19 vaccination in patients with cancer
S. Ehmsen, Anders Asmussen, S. S. Jeppesen, A. Nilsson +6 more
2021Cancer Cell154 citations Open access
Semantic Scholar
Sex differences in lymphoma incidence and mortality by subtype: A population‐based study
C. Radkiewicz, J. Bruchfeld, C. Weibull, M. L. Jeppesen +6 more
2022American journal of hematology/oncology80 citations Open access
Semantic Scholar
COVID-19 severity and mortality in patients with CLL: an update of the international ERIC and Campus CLL study
T. Chatzikonstantinou, A. Kapetanakis, L. Scarfò, Georgios Karakatsoulis +109 more
2021Leukemia76 citations Open access
Semantic Scholar
Increasing Incidence and Prevalence of Acquired Hemolytic Anemias in Denmark, 1980–2016
D. Hansen, S. Möller, K. Andersen, D. Gaist +1 more
2020Clinical Epidemiology65 citations Open access
Semantic Scholar
Evans syndrome in adults: an observational multicenter study
B. Fattizzo, M. Michel, J. Giannotta, D. Hansen +17 more
2021Blood Advances63 citations Open access
Semantic Scholar
Efficacy of recombinant erythropoietin in autoimmune hemolytic anemia: a multicenter international study
B. Fattizzo, M. Michel, A. Zaninoni, J. Giannotta +10 more
2020Haematologica63 citations Open access
Semantic Scholar
Effect of ibrutinib treatment on hemolytic anemia and acrocyanosis in cold agglutinin disease/cold agglutinin syndrome.
M. Jalink, S. Berentsen, J. Castillo, S. Treon +11 more
2021Blood56 citations Open access
Semantic Scholar
Mapping comorbidity in chronic lymphocytic leukemia: impact of individual comorbidities on treatment, mortality, and causes of death
E. Rotbain, C. Niemann, K. Rostgaard, C. da Cunha-Bang +2 more
2021Leukemia52 citations Open access
Semantic Scholar
Real‐world outcomes for 205 patients with chronic lymphocytic leukemia treated with ibrutinib
Kathrine Aarup, E. Rotbain, L. Enggaard, R. S. Pedersen +8 more
2020European Journal of Haematology50 citations Open access
Semantic Scholar
Risk of thromboembolic and bleeding outcomes following hematological cancers: A Danish population‐based cohort study
K. Adelborg, P. Corraini, B. Darvalics, H. Frederiksen +4 more
2019Journal of Thrombosis and Haemostasis46 citations Open access
Semantic Scholar
IGHV mutational status and outcome for patients with chronic lymphocytic leukemia upon treatment: a Danish nationwide population-based study
E. Rotbain, H. Frederiksen, H. Hjalgrim, K. Rostgaard +6 more
2019Haematologica42 citations Open access
Semantic Scholar
Routes to diagnosis and the association with the prognosis in patients with cancer - A nationwide register-based cohort study in Denmark.
B. Danckert, A. Falborg, N. L. Christensen, H. Frederiksen +6 more
2021Cancer Epidemiology41 citations Open access
Semantic Scholar
Minimal residual disease-guided stop and start of venetoclax plus ibrutinib for patients with relapsed or refractory chronic lymphocytic leukaemia (HOVON141/VISION): primary analysis of an open-label, randomised, phase 2 trial.
A. Kater, M. Levin, J. Dubois, S. Kersting +18 more
2022The Lancet Oncology39 citations Open access
Semantic Scholar
Relapse Risk and Loss of Lifetime After Modern Combined Modality Treatment of Young Patients With Hodgkin Lymphoma: A Nordic Lymphoma Epidemiology Group Study.
J. Biccler, I. Glimelius, S. Eloranta, K. Smeland +10 more
2019Journal of Clinical Oncology37 citations Open access
Semantic Scholar
A Randomized Phase III Study of Venetoclax-Based Time-Limited Combination Treatments (RVe, GVe, GIVe) Vs Standard Chemoimmunotherapy (CIT: FCR/BR) in Frontline Chronic Lymphocytic Leukemia (CLL) of Fit Patients: First Co-Primary Endpoint Analysis of the International Intergroup GAIA (CLL13) Trial
B. Eichhorst, C. Niemann, A. Kater, M. Fürstenau +41 more
2021Blood31 citations Open access
Semantic Scholar
Epidemiology of Secondary Warm Autoimmune Haemolytic Anaemia—A Systematic Review and Meta-Analysis
Stinne Tranekær, D. Hansen, H. Frederiksen
2021Journal of Clinical Medicine31 citations Open access
Semantic Scholar
Richter’s transformation in patients with chronic lymphocytic leukaemia: a Nationwide Epidemiological Study
Yasmin Ben-Dali, M. H. Hleuhel, C. da Cunha-Bang, C. Brieghel +13 more
2020Leukemia and Lymphoma28 citations
Semantic Scholar
The CLL comorbidity index in a population-based cohort: a tool for clinical care and research
E. Rotbain, Max J. Gordon, N. Vainer, H. Frederiksen +3 more
2022Blood Advances27 citations Open access
Semantic Scholar
Antibody responses following third mRNA COVID-19 vaccination in patients with cancer and potential timing of a fourth vaccination
S. Ehmsen, Anders Asmussen, S. S. Jeppesen, A. Nilsson +4 more
2022Cancer Cell26 citations Open access
Semantic Scholar
Venetoclax and Ibrutinib for Patients with Relapsed/Refractory Chronic Lymphocytic Leukemia.
C. Niemann, M. Levin, J. Dubois, S. Kersting +16 more
2020Blood25 citations Open access
Semantic Scholar
Risks of Solid and Lymphoid Malignancies in Patients with Myeloproliferative Neoplasms: Clinical Implications
M. Brabrand, H. Frederiksen
2020Cancers25 citations Open access
Semantic Scholar
Survival in autoimmune hemolytic anemia remains poor, results from a nationwide cohort with 37 years of follow‐up
D. Hansen, Sören Möller, H. Frederiksen
2022European Journal of Haematology24 citations Open access
Semantic Scholar
Increased risk of osteoporosis following commonly used first-line treatments for lymphoma: a Danish Nationwide Cohort Study
J. Baech, S. Hansen, L. Jakobsen, A. Øvlisen +12 more
2020Leukemia and Lymphoma24 citations
Semantic Scholar
Clinical presentation and mortality in hospitalized patients aged 80+ years with COVID-19–A retrospective cohort study
L. Karlsson, L. Jakobsen, Louise Hollensberg, J. Ryg +9 more
2020Archives of gerontology and geriatrics (Print)23 citations Open access
Semantic Scholar
Dehydrated hereditary stomatocytosis: clinical perspectives
H. Frederiksen
2019Journal of Blood Medicine23 citations Open access
Semantic Scholar
Myeloproliferative and lymphoproliferative malignancies occurring in the same patient: a nationwide discovery cohort.
J. M. Holst, T. Plesner, M. Pedersen, H. Frederiksen +20 more
2019Haematologica23 citations Open access
Semantic Scholar
Longitudinal trajectory patterns of plasma albumin and C-reactive protein levels around diagnosis, relapse, bacteraemia, and death of acute myeloid leukaemia patients
K. O. Gradel, P. Póvoa, O. Garvik, P. Vinholt +9 more
2020BMC Cancer22 citations Open access
Semantic Scholar
Mental health among patients with non‐Hodgkin lymphoma: A Danish nationwide study of psychotropic drug use in 8750 patients and 43 750 matched comparators
A. Øvlisen, L. Jakobsen, K. Kragholm, R. Nielsen +13 more
2022American journal of hematology/oncology21 citations Open access
Semantic Scholar
R/R-IPI: An international prognostic calculator for relapsed/refractory diffuse large B-cell lymphoma
M. Maurer, L. Jakobsen, Raphael Mwangi, N. Schmitz +19 more
2021American journal of hematology/oncology20 citations Open access
Semantic Scholar
SARS‐CoV‐2 infection among patients with haematological disorders: Severity and one‐month outcome in 66 Danish patients in a nationwide cohort study
A. Glenthøj, L. Jakobsen, H. Sengeløv, S. Ahmad +20 more
2020European Journal of Haematology20 citations Open access
Semantic Scholar
Depression and anxiety in Hodgkin lymphoma patients: A Danish nationwide cohort study of 945 patients
A. Øvlisen, L. Jakobsen, K. Kragholm, R. Nielsen +8 more
2020Cancer Medicine20 citations Open access
Semantic Scholar
Validation of the UK myeloma research alliance risk profile, a new clinical prediction model for outcome in patients with newly diagnosed multiple myeloma not eligible for autologous stem cell transplantation; a population‐based study from the Danish national multiple myeloma registry
L. Redder, T. Klausen, A. Vangsted, H. Gregersen +12 more
2020British Journal of Haematology20 citations Open access
Semantic Scholar
Risk of new malignancies among patients with CLL treated with chemotherapy: results of a Danish population‐based study
C. da Cunha-Bang, K. Rostgaard, M. A. Andersen, E. Rotbain +4 more
2021British Journal of Haematology18 citations Open access
Semantic Scholar
Impact of C-reactive protein and albumin levels on short, medium, and long term mortality in patients with diffuse large B-cell lymphoma
K. O. Gradel, T. Larsen, H. Frederiksen, P. Vinholt +10 more
2022Annals medicus17 citations Open access
Semantic Scholar
Increased antibody titers and reduced seronegativity following fourth mRNA COVID-19 vaccination in patients with cancer
S. Ehmsen, Anders Asmussen, S. S. Jeppesen, A. Nilsson +3 more
2022Cancer Cell16 citations Open access
Semantic Scholar
Health-related quality of life of patients with haematologic cancer during COVID-19 and their opinions on telehealth consultations – a Danish single site cross-sectional survey
Charlotte Ellehuus, S. S. Jeppesen, L. Eckhoff, H. Vestergaard +3 more
2021Acta oncologica16 citations Open access
Semantic Scholar
Evans syndrome in children below 13 years of age – A nationwide population-based cohort study
N. Mannering, D. Hansen, H. Frederiksen
2020PLoS ONE15 citations Open access
Semantic Scholar
Parenthood Rates and Use of Assisted Reproductive Techniques in Younger Hodgkin Lymphoma Survivors: A Danish Population-Based Study
A. Øvlisen, L. Jakobsen, S. Eloranta, K. Kragholm +12 more
2021Journal of Clinical Oncology14 citations
Semantic Scholar
Seasonal variation in the incidence of cold agglutinin disease in Norway, Denmark, and Italy
D. Hansen, S. Berentsen, B. Fattizzo, P. L. Hansen +2 more
2021American journal of hematology/oncology14 citations Open access
Semantic Scholar
Prevalence of Congenital Hemolytic Disorders in Denmark, 2000–2016
D. Hansen, A. Glenthøj, S. Möller, Bart J. Biemond +4 more
2020Clinical Epidemiology14 citations Open access
Semantic Scholar
Patients in complete remission after R-CHOP(-like) therapy for diffuse large B-cell lymphoma have limited excess use of health care services in Denmark
L. Jakobsen, A. Øvlisen, M. Severinsen, J. Bæch +12 more
2022Blood Cancer Journal13 citations Open access
Semantic Scholar
BQ.1.1, XBB.1, and XBB.1.5 neutralization after bivalent mRNA COVID-19 booster in patients with cancer
S. Ehmsen, R. M. Pedersen, L. L. Bang, Anders Asmussen +8 more
2023Cancer Cell12 citations Open access
Semantic Scholar
Thrombopoietin receptor agonists in adult Evans syndrome: an international multicenter experience
B. Fattizzo, N. Cecchi, M. Bortolotti, Giulio Giordano +10 more
2022Blood12 citations Open access
Semantic Scholar
Assessing how routes to diagnosis vary by the age of patients with cancer: a nationwide register-based cohort study in Denmark
B. Danckert, N. L. Christensen, A. Falborg, H. Frederiksen +7 more
2022BMC Cancer12 citations Open access
Semantic Scholar
Clinical characteristics and outcomes among 2347 patients aged ≥85 years with major lymphoma subtypes: a Nordic Lymphoma Group study
T. Wästerlid, Kim Oren Gradel, S. Eloranta, I. Glimelius +3 more
2020British Journal of Haematology12 citations Open access
Semantic Scholar
Risk of Inflammatory Bowel Disease in Patients with Chronic Myeloproliferative Neoplasms: A Danish Nationwide Cohort Study
Marie Bak, T. Jess, E. M. Flachs, A. Zwisler +2 more
2020Cancers12 citations Open access
Semantic Scholar
Risk of infection in adult patients with primary immune thrombocytopenia (ITP): a systematic review
Melanie Sandvad, E. Pedersen, H. Frederiksen, N. Mannering
2021Expert Review of Hematology10 citations Open access
Semantic Scholar
Real‐world outcomes upon second‐line treatment in patients with chronic lymphocytic leukaemia
N. Vainer, Kathrine Aarup, M. A. Andersen, Lise Wind-Hansen +6 more
2023British Journal of Haematology9 citations Open access
Semantic Scholar
Statistical Challenges in Development of Prognostic Models in Diffuse Large B-Cell Lymphoma: Comparison Between Existing Models – A Systematic Review
J. Jelicic, T. Larsen, H. Frederiksen, B. Andjelic +2 more
2020Clinical Epidemiology9 citations Open access
Semantic Scholar
Elevated Hemolysis Index is associated with higher risk of cardiovascular diseases
C. Gils, D. Hansen, M. Nybo, H. Frederiksen
2023Clinical Chemistry and Laboratory Medicine8 citations Open access
Semantic Scholar

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C. Niemann — researcher profile on SciRah
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L. Jakobsen — researcher profile on SciRah
T. El-Galaly×9
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D. Hansen×8
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A. Glenthøj×6

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E. Rotbain — researcher profile on SciRah

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M. Clausen — researcher profile on SciRah

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A. Øvlisen — researcher profile on SciRah

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M. Severinsen — researcher profile on SciRah

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S. S. Jeppesen — researcher profile on SciRah

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B. Fattizzo — researcher profile on SciRah