Geir Erland Tjønnfjord

Adjunct Professor - Department of Haematology
Image of Geir Erland Tjønnfjord
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Visiting address Sognsvannsveien 20 OUS Rikshospitalet 0372 Oslo
Postal address Postboks 4950 Nydalen OUS, Rikshospitalet 0424 Oslo
Tags: Russia

Publications

  • Måseide, Ragnhild J.; Berntorp, Erik; Nummi, Vuokko; Lassila, Riitta; Tjønnfjord, Geir E. & Holme, Pål A. (2021). Bleeding phenotype of patients with moderate haemophilia A and B assessed by thromboelastometry and thrombin generation. Haemophilia. ISSN 1351-8216. p. 1–10. doi: 10.1111/hae.14355.
  • Cui, Xueyan; Tjønnfjord, Geir Erland; Kanse, Sandip; Dahm, Anders Erik A; Iversen, Nina & Myklebust, Christiane Filion [Show all 12 contributors for this article] (2021). Tissue factor pathway inhibitor upregulates CXCR7 expression and enhances CXCL12-mediated migration in chronic lymphocytic leukemia. Scientific Reports. ISSN 2045-2322. 11. doi: 10.1038/s41598-021-84695-8. Full text in Research Archive
  • Mirlashari, Mohammad Reza; Vetlesen, Annette; Nissen-Meyer, Lise Sofie Haug; Naper, Christian; Tjønnfjord, Geir Erland & Unhammer Njerve, Ida [Show all 12 contributors for this article] (2021). HLA class I depletion by citric acid, and irradiation of apheresis platelets for transfusion of refractory patients. Transfusion. ISSN 0041-1132. 61(4), p. 1222–1234. doi: 10.1111/trf.16282. Full text in Research Archive
  • Skaarud, Kristin Aneta Joan; Hov, Johannes Espolin Roksund; Hansen, Simen Hyll; Kummen, Martin; Valeur, Jørgen & Seljeflot, Ingebjørg [Show all 12 contributors for this article] (2021). Mortality and microbial diversity after allogenic hematopoietic stem cell transplantation: secondary analysis of a randomized nutritional intervention trial. Scientific Reports. ISSN 2045-2322. doi: 10.1038/s41598-021-90976-z. Full text in Research Archive
  • Måseide, Ragnhild Johanne; Berntorp, Erik; Astermark, Jan; Hansen, Jessica; Olsson, Anna & Bruzelius, Maria [Show all 11 contributors for this article] (2021). Haemophilia early arthropathy detection with ultrasound and haemophilia joint health score in the moderate haemophilia (MoHem) study. Haemophilia. ISSN 1351-8216. 27(2), p. e253–e259. doi: 10.1111/hae.14245. Full text in Research Archive
  • Schultz, Nina Haagenrud; Sørvoll, Ingvild Hausberg; Michelsen, Annika; Munthe, Ludvig Andre; Lund-Johansen, Fridtjof & Ahlen, Maria Therese [Show all 11 contributors for this article] (2021). Thrombosis and thrombocytopenia after CHADOX1 NCoV-19 vaccination. New England Journal of Medicine. ISSN 0028-4793. 384(22), p. 2124–2130. doi: 10.1056/NEJMoa2104882.
  • Lenartova, Andrea; Johannessen, Tom Børge & Tjønnfjord, Geir Erland (2020). Chronic lymphocytic leukemia and secondary hematological malignancies: A nation-wide cancer registry study. European Journal of Haematology. ISSN 0902-4441. 104(6), p. 546–553. doi: 10.1111/ejh.13396. Full text in Research Archive
  • Tvedt, Tor Henrik Anderson; Skaarud, Kristin Aneta Joan; Tjønnfjord, Geir Erland; Gedde-Dahl, Tobias; Iversen, Per Ole & Bruserud, Øystein (2020). The systemic metabolic profile early after allogeneic stem cell transplantation: Effects of adequate energy support administered through enteral feeding tube. Biology of Blood and Marrow Transplantation. ISSN 1083-8791. 26(2), p. 380–391. doi: 10.1016/j.bbmt.2019.10.005.
  • Mpinganzima, Clarisse; Haaland, Alf; Holm, Anne Guro Vreim; Thein, Swee Lay; Tjønnfjord, Geir Erland & Iversen, Per Ole (2020). Two Consecutive Episodes of Severe Delayed Hemolytic Transfusion Reaction in a Sickle Cell Disease Patient. Case reports in hematology. ISSN 2090-6560. doi: 10.1155/2020/2765012. Full text in Research Archive
  • Marvyin, Kristo; Tjønnfjord, Eirik; Breland, Unni Mathilde & Tjønnfjord, Geir Erland (2020). Transformation to plasmablastic lymphoma in CLL upon ibrutinib treatment. BMJ Case Reports. ISSN 1757-790X. 13:e235816(9), p. 1–3. doi: 10.1136/bcr-2020-235816.
  • Berentsen, Sigbjørn; Barcellini, Wilma; D'Sa, Shirley; Randen, Ulla; Tvedt, Tor Henrik Anderson & Fattizzo, Bruno [Show all 23 contributors for this article] (2020). Cold agglutinin disease revisited: a multinational, observational study of 232 patients. Blood. ISSN 0006-4971. 136(4), p. 480–488. doi: 10.1182/blood.2020005674.
  • Berentsen, Sigbjørn; Malecka, Agnieszka Maria; Randen, Ulla & Tjønnfjord, Geir Erland (2020). Cold agglutinin disease: where do we stand, and where are we going? Clinical Advances in Hematology & Oncology (CAH&O). ISSN 1543-0790. 18(1), p. 35–44.
  • Hetland, Geir; Tangen, Jon-Magnus; Mahmood, Faiza; Mirlashari, Mohammad Reza; Nissen-Meyer, Lise Sofie Haug & Nentwich, Ivo [Show all 9 contributors for this article] (2020). Antitumor, Anti-inflammatory and Antiallergic Effects of Agaricus blazei Mushroom Extract and the Related Medicinal Basidiomycetes Mushrooms, Hericium erinaceus and Grifola frondosa: A Review of Preclinical and Clinical Studies . Nutrients. ISSN 2072-6643. 12(5), p. 1–19. doi: 10.3390/nu12051339.
  • Måseide, Ragnhild Johanne; Berntorp, Erik; Astermark, Jan; Olsson, Anna; Bruzelius, Maria & Frisk, Tony [Show all 10 contributors for this article] (2020). Joint health and treatment modalities in Nordic patients with moderate haemophilia A and B – The MoHem study. Haemophilia. ISSN 1351-8216. 26(5), p. 891–897. doi: 10.1111/hae.14114. Full text in Research Archive
  • Skånland, Sigrid Strand; Cremaschi, Andrea; Bendiksen, Henrik; Hermansen, Johanne Uthus; Thimiri Govinda Raj, Deepak Balaji & Munthe, Ludvig Andre [Show all 8 contributors for this article] (2019). An in vitro assay for biomarker discovery and dose prediction applied to ibrutinib plus venetoclax treatment of CLL. Leukemia. ISSN 0887-6924. doi: 10.1038/s41375-019-0569-7.
  • Yaddehi Gamage, Thilini Hansamali Gamage; Lengle, Emma; Gunnes, Gjermund; Pullisaar, Helen; Holmgren, Asbjørn & Reseland, Janne Elin [Show all 16 contributors for this article] (2019). STIM1 R304W in mice causes subgingival hair growth and an increased fraction of trabecular bone. Cell Calcium. ISSN 0143-4160. 85. doi: 10.1016/j.ceca.2019.102110.
  • Skaarud, Kristin Aneta Joan; Veierød, Marit Bragelien; Lergenmuller, Simon; Bye, Asta; Iversen, Per Ole & Tjønnfjord, Geir Erland (2019). Body weight, body composition and survival after 1 year: follow-up of a nutritional intervention trial in allo-HSCT recipients . Bone Marrow Transplantation. ISSN 0268-3369. doi: 10.1038/s41409-019-0638-6. Full text in Research Archive
  • Jønsson, Viggo; Awan, Haneef; Jones, Neil D.; Johannessen, Tom Børge; Steig, Bjarni A & Andosdottir, Gudrid [Show all 7 contributors for this article] (2019). Inheritance of Susceptibility to Malignant Blood Disorders. Scientific Reports. ISSN 2045-2322. 9, p. 1–12. doi: 10.1038/s41598-019-38879-y. Full text in Research Archive
  • Andersen, May-Linn Fauske; Holme, Pål Andre & Tjønnfjord, Geir Erland (2019). Surgical intervention in patients with severe bleeding disorder 1997-2014. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 139(8), p. 709–712. doi: 10.4045/tidsskr.18.0592.
  • Chellappa, Stalin ; Kushekhar, Kushi; Munthe, Ludvig Andre; Tjønnfjord, Geir Erland; Aandahl, Einar Martin & Okkenhaug, Klaus [Show all 7 contributors for this article] (2019). The PI3K p110δ isoform inhibitor idelalisib preferentially inhibits human regulatory T cell function. Journal of Immunology. ISSN 0022-1767. 202(5), p. 1397–1405. doi: 10.4049/jimmunol.1701703.
  • Berentsen, Sigbjørn; Roth, Alexandra; Randen, Ulla; Jilma, Bernd & Tjønnfjord, Geir Erland (2019). Cold agglutinin disease: Current challenges and future prospects. Journal of Blood Medicine. ISSN 1179-2736. 10, p. 93–103. doi: 10.2147/JBM.S177621. Full text in Research Archive
  • Torkildsen, Synne; Gorunova, Ludmila; Heim, Sverre; Tjønnfjord, Geir Erland; Spetalen, Signe & Risberg, Bente [Show all 8 contributors for this article] (2019). Molecular Genetic Characterization of Acute Myeloid Leukemia With Trisomy 4 as the Sole Chromosome Abnormality. Cancer Genomics & Proteomics. ISSN 1109-6535. 16(3), p. 175–178. doi: 10.21873/cgp.20123. Full text in Research Archive
  • Lenartova, Andrea; Randen, Ulla; Johannessen, Tom Børge & Tjønnfjord, Geir Erland (2019). Richter syndrome epidemiology in a large population based chronic lymphocytic leukemia cohort from Norway. Cancer Epidemiology. ISSN 1877-7821. 60, p. 128–133. doi: 10.1016/j.canep.2019.04.002.
  • Tangen, Jon-Magnus; Tjønnfjord, Geir Erland; Gulbrandsen, Nina; Gedde-Dahl, Thobias; Stormorken, Espen & Anderson, Kristina [Show all 9 contributors for this article] (2018). Improved outcome in patients following autologous stem cell transplantation for multiple myeloma in south eastern Norway 2001-2010: A retrospective, population based analysis. BMC Cancer. ISSN 1471-2407. 18:801, p. 1–9. doi: 10.1186/s12885-018-4722-x. Full text in Research Archive
  • Rogne, Marie; Svärd, Oksana; Madsen-Østerbye, Julia-Kristina Jensen; Hashim, Adnan; Tjønnfjord, Geir Erland & Staerk, Judith (2018). Cytokinesis arrest and multiple centrosomes in B cell chronic lymphocytic leukaemia. Journal of Cellular and Molecular Medicine. ISSN 1582-1838. 22(5), p. 2846–2855. doi: 10.1111/jcmm.13579. Full text in Research Archive
  • Holme, Pål Andre & Tjønnfjord, Geir Erland (2018). Continuous infusion of simoctocog alfa in haemophilia A patients undergoing surgeries. Haemophilia. ISSN 1351-8216. p. 1–6. doi: 10.1111/hae.13625. Full text in Research Archive
  • Skaarud, Kristin Aneta Joan; Hjermstad, Marianne Jensen; Bye, Asta; Veierød, Marit Bragelien; Gudmundstuen, Anne Marte & Lundin, Knut Erik Aslaksen [Show all 10 contributors for this article] (2018). Effects of individualized nutrition after allogeneic hematopoietic stem cell transplantation following myeloablative conditioning; a randomized controlled trial. Clinical Nutrition ESPEN. ISSN 2405-4577. 28, p. 59–66. doi: 10.1016/j.clnesp.2018.08.002.
  • Yaddehi Gamage, Thilini Hansamali Gamage; Gunnes, Gjermund; Lee, Robert Hugh; Louch, William Edward; Holmgren, Asbjørn & Bruton, Joseph D. [Show all 19 contributors for this article] (2018). STIM1 R304W causes muscle degeneration and impaired platelet activation in mice. Cell Calcium. ISSN 0143-4160. 76, p. 87–100. doi: 10.1016/j.ceca.2018.10.001. Full text in Research Archive
  • Habberstad, Andreas Hanssønn; Tran, Hoa Thi Tuyet; Randen, Ulla; Spetalen, Signe; Dybedal, Ingunn & Tjønnfjord, Geir Erland [Show all 7 contributors for this article] (2018). Neutropenia caused by hairy cell leukemia in a patient with myelofibrosis secondary to polycythemia vera: A case report. Journal of Medical Case Reports. ISSN 1752-1947. 12(1). doi: 10.1186/s13256-018-1663-6. Full text in Research Archive
  • Myhrvold, Ida Kristin; Cremaschi, Andrea; Hermansen, Johanne Uthus; Tjønnfjord, Geir Erland; Munthe, Ludvig Andre & Tasken, Kjetil [Show all 7 contributors for this article] (2018). Single cell profiling of phospho-protein levels in chronic lymphocytic leukemia. OncoTarget. ISSN 1949-2553. 9(10), p. 9273–9284. doi: 10.18632/oncotarget.23949. Full text in Research Archive
  • Jagjit, Bhamra Singh; Iversen, Per Ole; Tjønnfjord, Geir Erland; Akkøk, Cigdem Ahaein & Titze, Thomas Larsen (2018). A case of post-transfusion purpura with severe refractory thrombocytopenia but no cutaneous manifestations. Case reports in hematology. ISSN 2090-6560. doi: 10.1155/2018/8187659. Full text in Research Archive
  • Hermansen, Johanne Uthus; Tjønnfjord, Geir Erland; Munthe, Ludvig Andre; Tasken, Kjetil & Skånland, Sigrid Strand (2018). Cryopreservation of primary B cells minimally influences their signaling responses. Scientific Reports. ISSN 2045-2322. 8:17651, p. 1–7. doi: 10.1038/s41598-018-36121-9. Full text in Research Archive
  • Berentsen, Sigbjørn; Randen, Ulla; Oksman, Markku; Birgens, Henrik; Tvedt, Tor Henrik Anderson & Dalgaard, Jakob [Show all 13 contributors for this article] (2017). Bendamustine plus rituximab for chronic cold agglutinin disease: Results of a Nordic prospective multicenter trial. Blood. ISSN 0006-4971. 130(4), p. 537–541. doi: 10.1182/blood-2017-04-778175.
  • Wang, Dong; Fløisand, Yngvar; Myklebust, Camilla Victoria; Bürgler, Simone; Ribes, Anna Maria Parente & Hofgaard, Peter Olaf [Show all 13 contributors for this article] (2017). Autologous bone marrow Th cells can support multiple myeloma cell proliferation in vitro and in xenografted mice. Leukemia. ISSN 0887-6924. 31(10), p. 2114–2121. doi: 10.1038/leu.2017.69. Full text in Research Archive
  • Holme, Pål Andre; Tjønnfjord, Geir Erland & Batorova, A (2017). Continuous infusion of coagulation factor concentrates during intensive treatment. Haemophilia. ISSN 1351-8216. 24(1), p. 24–32. doi: 10.1111/hae.13331.
  • Malecka, Agnieszka Maria; Trøen, Gunhild; Tierens, Anne; Østlie, Ingunn; Malecki, Jedrzej Mieczyslaw & Randen, Ulla [Show all 10 contributors for this article] (2017). Frequent somatic mutations of KMT2D (MLL2) and CARD11 genes in primary cold agglutinin disease. British Journal of Haematology. ISSN 0007-1048. 183(5), p. 838–842. doi: 10.1111/bjh.15063.
  • Tjønnfjord, Eirik; Vengen, Øystein; Berentsen, Sigbjørn & Tjønnfjord, Geir Erland (2017). Prophylactic use of eculizumab during surgery in chronic cold agglutinin disease. BMJ Case Reports. ISSN 1757-790X. 2017, p. 1–4. doi: 10.1136/bcr-2016-219066.
  • Vojdeman, Fie Juhl; van't Veer, Mars B.; Tjønnfjord, Geir Erland; Itälä-Remes, Maija; Kimby, Eva & Polliack, Aaron [Show all 15 contributors for this article] (2017). The HOVON68 CLL trial revisited: performance status and comorbidity affect survival in elderly patients with chronic lymphocytic leukemia. Leukemia and Lymphoma. ISSN 1042-8194. 58(3), p. 594–600. doi: 10.1080/10428194.2016.1213831.
  • Vojdeman, Fie Juhl; Herman, Sarah E.M.; Kirkby, Nikolai; Wiestner, Adrian; van t' Veer, Mars B. & Tjønnfjord, Geir Erland [Show all 20 contributors for this article] (2017). Soluble CD52 is an indicator of disease activity in chronic lymphocytic leukemia. Leukemia and Lymphoma. ISSN 1042-8194. 58(10), p. 2356–2362. doi: 10.1080/10428194.2017.1285027.
  • Panagopoulos, Ioannis; Gorunova, Ludmila; Torkildsen, Synne; Tjønnfjord, Geir Erland; Micci, Francesca & Heim, Sverre (2017). DEK-NUP214-Fusion Identified by RNA-Sequencing of an Acute Myeloid Leukemia with t(9;12)(q34;q15). Cancer Genomics & Proteomics. ISSN 1109-6535. 14, p. 437–443. doi: 10.21873/cgp.20053.
  • von Krogh, Anne-Sophie; Quist-Paulsen, Petter; Waage, Anders; Langseth, Øystein Olstad; Thorstensen, Ketil & Brudevold, Robert [Show all 10 contributors for this article] (2016). High prevalence of hereditary thrombotic thrombocytopenic purpura in central Norway: From clinical observation to evidence. Journal of Thrombosis and Haemostasis. ISSN 1538-7933. 14(1), p. 73–82. doi: 10.1111/jth.13186.
  • Stray-Pedersen, Asbjørg; Sorte, Hanne Sørmo; Samarakoon, Pubudu Saneth; Gambin, Tomasz; Chinn, Ivan K. & Akdemir, Zeynep H.C. [Show all 51 contributors for this article] (2016). Primary immunodeficiency diseases: Genomic approaches delineate heterogeneous Mendelian disorders. Journal of Allergy and Clinical Immunology. ISSN 0091-6749. 139(1), p. 232–245. doi: 10.1016/j.jaci.2016.05.042.
  • Fløisand, Yngvar; Lundin, Knut Erik Aslaksen; Lazarevic, Vladimir; Kristiansen, Jørn Dehli; Osnes, Liv T. N. & Tjønnfjord, Geir Erland [Show all 8 contributors for this article] (2016). Targeting integrin α4β7 in steroid-refractory intestinal graft-versus-host disease. Biology of Blood and Marrow Transplantation. ISSN 1083-8791. 23(1), p. 172–175. doi: 10.1016/j.bbmt.2016.10.009.
  • Barratt-Due, Andreas; Fløisand, Yngvar; Lang, Hilde Elisabeth; Kvam, Ann Kristin; Holme, Pål Andre & Bergseth, Grete [Show all 8 contributors for this article] (2016). Complement activation is a crucial pathogenic factor in catastrophic antiphospholipid syndrome. Rheumatology. ISSN 1462-0324. doi: 10.1093/rheumatology/kew040. Full text in Research Archive
  • Lenartova, Andrea; Johannessen, Tom Børge & Tjønnfjord, Geir Erland (2016). National trends in incidence and survival of chronic lymphocytic leukemia in Norway for 1953–2012: a systematic analysis of population-based data. Cancer Medicine. ISSN 2045-7634. 5(12), p. 3588–3595. doi: 10.1002/cam4.849. Full text in Research Archive
  • Vandraas, Kathrine; Tjønnfjord, Geir Erland; Johannessen, Tom Børge & Brandal, Petter (2016). Persistent bone marrow depression following short-term treatment with temozolomide. BMJ Case Reports. ISSN 1757-790X. 2016. doi: 10.1136/bcr-2016-215797.
  • Ghanima, Waleed Khalid; Khelif, Abderrahim; Waage, Anders; Michel, Marc; Tjønnfjord, Geir Erland & Romdhan, Neila Ben [Show all 9 contributors for this article] (2015). Rituximab as second-line treatment for adult immune thrombocytopenia (the RITP trial): A multicentre, randomised, double-blind, placebo-controlled trial. The Lancet. ISSN 0140-6736. 385(9978), p. 1653–1661. doi: 10.1016/S0140-6736%2814%2961495-1.
  • Nissen-Meyer, Lise Sofie Haug; Tjønnfjord, Geir Erland; Golebiowska, Elzbieta; Kjeldsen-Kragh, Jens & Akkøk, Cigdem Ahaein (2015). Paroksysmal nattlig hemoglobinuri ved Oslo universitetssykehus 2000-10 :. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 135(11), p. 1039–1043. doi: 10.4045/tidsskr.14.0444.
  • Lappegård, Knut Tore; Bjerre, Anna Kristina; Tjønnfjord, Geir Erland & Mollnes, Tom Eirik (2015). Terapeutisk komplementhemming – fra eksperimentell til klinisk medisin. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 135(19), p. 1745–1749. doi: 10.4045/tidsskr.15.0049.
  • Tran, Hoa Thi Tuyet; Sørensen, B.; Bjørnsen, Stine; Pripp, Are Hugo; Tjønnfjord, Geir Erland & Holme, Pål Andre (2015). Monitoring bypassing agent therapy - a prospective crossover study comparing thromboelastometry and thrombin generation assay. Haemophilia. ISSN 1351-8216. 21(2), p. 275–283. doi: 10.1111/hae.12570.
  • Bürgler, Simone; Vives, Aleix Gimeno; Ribes, Anna Maria Parente; Wang, Dong; Os, Audun & Devereux, Stephen [Show all 10 contributors for this article] (2015). Chronic lymphocytic leukemia cells express CD38 in response to Th1 cell-derived IFN-γ by a T-bet-dependent mechanism. Journal of Immunology. ISSN 0022-1767. 194(2), p. 827–835. doi: 10.4049/jimmunol.1401350.
  • Tangen, Jon-Magnus; Tierens, Anne; Caers, Jo; Binsfeld, Marilene; Olstad, Ole Kristoffer & Siebke, Anne-Marie [Show all 9 contributors for this article] (2015). Immunomodulatory Effects of the Agaricus blazei Murrill-Based Mushroom Extract AndoSan in Patients with Multiple Myeloma Undergoing High Dose Chemotherapy and Autologous Stem Cell Transplantation: A Randomized, Double Blinded Clinical Study. BioMed Research International. ISSN 2314-6133. doi: 10.1155/2015/718539.
  • Berentsen, Sigbjørn; Randen, Ulla & Tjønnfjord, Geir Erland (2015). Cold Agglutinin-Mediated Autoimmune Hemolytic Anemia. Hematology/Oncology Clinics of North America. ISSN 0889-8588. 29(3), p. 455–471. doi: 10.1016/j.hoc.2015.01.002.
  • Torkildsen, Synne; Gorunova, Ludmila; Beiske, Klaus; Tjønnfjord, Geir Erland; Heim, Sverre & Panagopoulos, Ioannis (2015). Novel ZEB2-BCL11B fusion gene identified by RNA-sequencing in acute myeloid leukemia with t(2;14)(q22;q32). PLOS ONE. ISSN 1932-6203. 10(7). doi: 10.1371/journal.pone.0132736.
  • Misceo, Doriana; Holmgren, Asbjørn; Louch, William Edward; Holme, Pål Andre; Mizobuchi, Masahiro & Morales, Raul J. [Show all 14 contributors for this article] (2014). A Dominant STIM1 Mutation Causes Stormorken Syndrome. Human Mutation. ISSN 1059-7794. 35(5), p. 556–564. doi: 10.1002/humu.22544.
  • Bruserud, Øystein; Tvedt, Tor Henrik Anderson; Quist-Paulsen, Petter; Ahmed, Aymen B; Gedde-Dahl, Thobias & Tjønnfjord, Geir Erland [Show all 9 contributors for this article] (2014). Extracorporeal photopheresis (photochemotherapy) in the treatment of acute and chronic graft versus host disease: Immunological mechanisms and the results from clinical studies. Cancer Immunology and Immunotherapy. ISSN 0340-7004. 63(8), p. 757–777. doi: 10.1007/s00262-014-1578-z.
  • Tran, Hoa Thi Tuyet; Tjønnfjord, Geir Erland & Holme, Pål Andre (2014). Use of thromboelastography and thrombin generation assay to predict clinical phenotype in patients with severe FVII deficiency. Haemophilia. ISSN 1351-8216. 20(1), p. 141–146. doi: 10.1111/hae.12256.
  • Ruffini, Pier Adelchi; Os, Audun; Dolcetti, Riccardo; Tjønnfjord, Geir Erland; Munthe, Ludvig Andre & Bogen, Bjarne (2014). Targeted DNA vaccines eliciting crossreactive anti-idiotypic antibody responses against human B cell malignancies in mice. Journal of Translational Medicine. ISSN 1479-5876. 12(1). doi: 10.1186/1479-5876-12-207.
  • WESTBERG, MARIANNE; Paus, Albert Collett; Holme, Pål Andre & Tjønnfjord, Geir Erland (2014). Haemophilic arthropathy: Long-term outcomes in 107 primary total knee arthroplasties. Knee (Oxford). ISSN 0968-0160. 21(1), p. 147–150. doi: 10.1016/j.knee.2013.09.010.
  • Tran, Hoa Thi Tuyet; Sørensen, B.; Rea, C.J.; Bjørnsen, Stine; Ueland, Thor & Pripp, Are Hugo [Show all 8 contributors for this article] (2014). Tranexamic acid as adjunct therapy to bypassing agents in haemophilia A patients with inhibitors. Haemophilia. ISSN 1351-8216. 20(3), p. 369–375. doi: 10.1111/hae.12318.
  • Zeidler, Cornelia; Grote, Ulrike A.H.; Nickel, Anna; Brand, Beate; Carlsson, Göran & Cortesao, Emilia [Show all 18 contributors for this article] (2014). Outcome and management of pregnancies in severe chronic neutropenia patients by the European branch of the severe chronic neutropenia international registry. Haematologica. ISSN 0390-6078. 99(8), p. 1395–1402. doi: 10.3324/haematol.2013.099101.
  • Randen, Ulla; Trøen, Gunhild; Tierens, Anne; Steen, Chloe Beate; Warsam, Abdirashid Ali & Beiske, Klaus [Show all 9 contributors for this article] (2014). Primary cold agglutinin associated lymphoproliferative disease: a B-cell lymphoma of the bone marrow distinct from lymphoplasmacytic lymphoma. Haematologica. ISSN 0390-6078. 99(3), p. 497–504. doi: 10.3324/haematol.2013.091702.
  • Panagopoulos, Ioannis; Torkildsen, Synne; Gorunova, Ludmila; Tierens, Anne; Tjønnfjord, Geir Erland & Heim, Sverre (2014). Comparison between karyotyping-FISH-reverse transcription PCR and RNA- sequencing-fusion gene identification programs in the detection of KAT6A-CREBBP in acute myeloid leukemia. PLOS ONE. ISSN 1932-6203. 9(5). doi: 10.1371/journal.pone.0096570.
  • Samarakoon, Pubudu Saneth; Sorte, Hanne Sørmo; Kristiansen, Bjørn Evert; Skodje, Tove; Sheng, Ying & Tjønnfjord, Geir Erland [Show all 10 contributors for this article] (2014). Identification of copy number variants from exome sequence data. BMC Genomics. ISSN 1471-2164. 15(1). doi: 10.1186/1471-2164-15-661.
  • Geisler, Christian H.; Van t'Veer, Mars B.; Jurlander, Jesper; Walewski, Jan; Tjønnfjord, Geir Erland & Itala Remes, Maija [Show all 15 contributors for this article] (2014). Frontline low-dose alemtuzumab with fludarabine and cyclophosphamide prolongs progression-free survival in high-risk CLL. Blood. ISSN 0006-4971. 123(21), p. 3255–3262. doi: 10.1182/blood-2014-01-547737.
  • Husøy, Magnus Andreas Rognlien; Brinch, Lorentz; Tjønnfjord, Geir Erland; Gedde-Dahl, Tobias Jr.; Heldal, Dag & Holme, Pål Andre [Show all 16 contributors for this article] (2014). Allogen stamcelletransplantasjon hos voksne 1985-2012. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 134(16), p. 1569–1575. doi: 10.4045/tidsskr.13.1415.
  • Jønsson, Viggo; Awan, Haneef; Johannesen, Tom Børge & Tjønnfjord, Geir Erland (2014). Chronic Lymphocytic Leukemia, Advantages of Monoclones? Journal of Leukemia. ISSN 2329-6917. 2(3).
  • Awan, Haneef; Furuholmen, Johanna; Tjønnfjord, Geir Erland; Ly, Bernt; Johannesen, Tom Børge & Tierens, Anne [Show all 8 contributors for this article] (2014). Segregation of Malignant Hematological Disease in Families with Malignant Lymphoma. Journal of genetic syndrome & gene therapy. ISSN 2157-7412. 5(6).
  • Skaarud, Kristin Aneta Joan; Grov, Ellen Karine; Tjønnfjord, Geir Erland & Iversen, Per Ole (2013). Food and drink preferences and nurses' support to increase oral intake in patients during stem cell transplantation - compared with an institutional food guideline :. Vård i Norden. ISSN 0107-4083. 33(2), p. 4–10.
  • Vojdeman, Fie Juhl; Jurlander, Jesper; van't Veer, Mars; Itälä-Remes, Maija; Kimby, Eva & Tjønnfjord, Geir Erland [Show all 14 contributors for this article] (2013). Plasma alemtuzumab levels in patients with chronic lymphocytic leukemia treated with alemtuzumab combined with chemotherapy reflect the efficacy of the treatment: a hypothesis. Leukemia and Lymphoma. ISSN 1042-8194. 54(4), p. 790–793. doi: 10.3109/10428194.2012.720373.
  • Randen, Ulla; Tierens, Anne; Tjønnfjord, Geir Erland & Delabie, Jan (2013). Bone Marrow Histology in Monoclonal B-Cell Lymphocytosis Shows Various B-Cell Infiltration Patterns. American Journal of Clinical Pathology. ISSN 0002-9173. 139(3), p. 390–395. doi: 10.1309/AJCPPHSUQM8XBJH7.
  • Os, Audun; Bürgler, Simone; Ribes, Anna Maria Parente; Funderud, Ane; Wang, Dong & Thompson, Keith M [Show all 9 contributors for this article] (2013). Chronic Lymphocytic Leukemia Cells Are Activated and Proliferate in Response to Specific T Helper Cells. Cell reports. ISSN 2211-1247. 4(3), p. 566–577. doi: 10.1016/j.celrep.2013.07.011.
  • Tjønnfjord, Geir Erland; Ly, Bernt Erik; Johannesen, Tom Børge; Tierens, Anne; Beiske, Klaus & Heim, Sverre [Show all 7 contributors for this article] (2012). Kronisk lymfatisk leukemi i Norge – insidens og prognose ved diagnosetidspunktet. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 132(18), p. 2056–2059. doi: 10.4045/tidsskr.11.1349.
  • Berentsen, Sigbjørn & Tjønnfjord, Geir Erland (2012). Diagnosis and treatment of cold agglutinin mediated autoimmune hemolytic anemia. Blood reviews. ISSN 0268-960X. 26(3), p. 107–115. doi: 10.1016/j.blre.2012.01.002.
  • Tjønnfjord, Geir Erland; Jønsson, Viggo; Ly, Bernt Erik & Johannessen, Tom Børge (2012). Familiær forekomst av kronisk lymfatisk leukemi i Norge. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 132(18), p. 2060–2063. doi: 10.4045/tidsskr.11.1350.
  • Thorsen, Jim; Aamot, Hege Vangstein; Roberto, Roberta; Tjønnfjord, Geir Erland; Micci, Francesca & Heim, Sverre (2012). Myelodysplastic syndrome with a t(2;11)(p21;q23-24) and translocation breakpoint close to miR-125b-1. Cancer Genetics and Cytogenetics. ISSN 0165-4608. 205(10), p. 528–532. doi: 10.1016/j.cancergen.2012.06.003.
  • Fløisand, Yngvar; Brinch, Lorentz; Gedde-Dahl, Thobias; Tjønnfjord, Geir Erland; Dybedal, Ingunn & Holte, Harald [Show all 18 contributors for this article] (2012). Ultra-short course sirolimus contributes to effective GVHD prophylaxis after reduced-intensity allogeneic hematopoietic cell transplantation. Bone Marrow Transplantation. ISSN 0268-3369. 47(12), p. 1552–1557. doi: 10.1038/bmt.2012.63.
  • Ruud, Ellen; Kanellopoulos, Adriani; Zeller, Bernward; Widing, Eva; Tjønnfjord, Geir Erland & Fosså, Sophie Dorothea (2012). Senfølger etter akutt lymfatisk leukemi – hva vet pasientene? Tidsskrift for Den norske legeforening. ISSN 0029-2001. 132(18), p. 2052–255. doi: 10.4045/tidsskr.12.0153.
  • Jønsson, Viggo; Awan, Haneef; Nyquist, Emil; Maisenhölder, Martin; Johannesen, Tom Børge & Ly, Bernt Erik [Show all 7 contributors for this article] (2011). Familial Hodgkin's Lymphoma in Scandinavia. In Vivo. ISSN 0258-851X. 25(3), p. 431–437.
  • Tran, Hoa Thi Tuyet; Tjønnfjord, Geir Erland; Paus, Albert Collett & Holme, Pål Andre (2011). rFVIIa administered by continuous infusion during surgery in patients with severe congenital FVII deficiency. Haemophilia. ISSN 1351-8216. 17(5), p. 764–770. doi: 10.1111/j.1365-2516.2011.02596.x.
  • Slåstad, Heidi Synnøve; Wu, Weiwei; Goulart, Luiz Fernando De Souza; Kanderova, Veronika; Tjønnfjord, Geir Erland & Stuchly, Jan [Show all 9 contributors for this article] (2011). Multiplexed immuno-precipitation with 1725 commercially available antibodies to cellular proteins. Proteomics. ISSN 1615-9853. 11(23), p. 4578–4582. doi: 10.1002/pmic.201000744.
  • Jønsson, Viggo; Tjønnfjord, Geir Erland; Johannesen, Tom Børge; Ly, Bernt Erik; Olsen, Jørgen H & Yuille, Martin (2010). Familial Chronic Lymphocytic Leukemia in Norway and Denmark. Comments on Pleiotropy and Birth Order. In Vivo. ISSN 0258-851X. 24(1), p. 85–95.
  • Ghanima, Waleed Khalid; Holme, Pål Andre & Tjønnfjord, Geir Erland (2010). Immunologisk trombocytopeni - patofysiologi og behandling :. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 130(21), p. 2120–2123.
  • Jønsson, Viggo; Awan, Haneef; Johannesen, Tom B.; Ly, Bernt & Tjønnfjord, Geir Erland (2010). Anticipation in Families with Chronic Lymphocytic Leukemia and Other Lymphoproliferative Disorders. Translational Oncogenomics. ISSN 1177-2727. 4, p. 1–9.

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  • Malecka, Agnieszka Maria; Trøen, Gunhild; Delabie, Jan; Malecki, Jedrzej Mieczyslaw; Østlie, Ingunn & Tierens, Anne [Show all 9 contributors for this article] (2021). The mutational landscape of cold agglutinin disease: CARD11 and CXCR4 mutations are correlated with lower hemoglobin levels. American Journal of Hematology. ISSN 0361-8609. doi: 10.1002/ajh.26205.
  • Malecka, Agnieszka Maria; Delabie, Jan; Østlie, Ingunn; Tierens, Anne; Randen, Ulla & Berentsen, Sigbjørn [Show all 8 contributors for this article] (2020). Cold agglutinin-associated B-cell lymphoproliferative disease shows highly recurrent gains of chromosome 3 and 12 or 18. Blood Advances. ISSN 2473-9529. 4(6), p. 993–996. doi: 10.1182/bloodadvances.2020001608.
  • Cui, Xueyan; Tjønnfjord, Geir Erland; Kanse, Sandip; Iversen, Nina; Dahm, Anders Erik A & Myklebust, Christiane Filion [Show all 11 contributors for this article] (2019). Tissue factor pathway inhibitor enhances transendothelial migration of chronic lymphocytic leukemia cells trhough CXCL12/CXCR7 chemotaxis. Research and Practice in Thrombosis and Haemostasis. ISSN 2475-0379. 3.
  • Diep, Phoi Phoi; Melberg, Hans Olav; Brinch, Lorentz; Buechner, Jochen; Fløisand, Yngvar & Gedde-Dahl, Thobias [Show all 9 contributors for this article] (2018). Cost-utility of allogeneic hematopoietic stem cell transplantation in Norway. Bone Marrow Transplantation. ISSN 0268-3369. 53(5), p. 657–660. doi: 10.1038/s41409-018-0091-y.
  • Diep, Phoi Phoi; Melberg, Hans Olav; Brinch, Lorentz; Buechner, Jochen; Fløisand, Yngvar & Gedde-Dahl, Thobias [Show all 8 contributors for this article] (2017). Allogeneic hematopoietic stem cell transplantation in Norway 1974-2009: Cost-utility and survival in children and young adults .
  • Ribes, Anna Maria Parente; Skånland, Sigrid Strand; Bürgler, Simone; Os, Audun; Wang, Dong & Bogen, Bjarne [Show all 9 contributors for this article] (2016). Spleen tyrosine kinase inhibitors reduce CD40l-induced proliferation of chronic lymphocytic leukemia cells but not normal B cells. Haematologica. ISSN 0390-6078. 101(2), p. e59–e62. doi: 10.3324/haematol.2015.135590.
  • Malecka, Agnieszka Maria; Trøen, Gunhild; Tierens, Anne; Østlie, Ingunn; Malecki, Jedrzej Mieczyslaw & Randen, Ulla [Show all 9 contributors for this article] (2016). Immunoglobulin heavy and light chain gene features are correlated with primary cold agglutinin disease onset and activity. Haematologica. ISSN 0390-6078. 101(9), p. e361–e364. doi: 10.3324/haematol.2016.146126.
  • Tjønnfjord, Geir Erland & Bogen, Bjarne (2015). Myeloproliferative og lymfoproliferative sykdommer. In Hagve, Tor-Arne & Berg, Jens Petter (Ed.), Klinisk biokjemi og fysiologi. Gyldendal Akademisk. ISSN 978-82-05-46367-7. p. 140–154.
  • von Krogh, Anne-Sophie; Hovinga, Johanna A. Kremer; Tjønnfjord, Geir Erland; Ringen, Ingrid Marie; Lämmle, Bernhard & Waage, Anders [Show all 7 contributors for this article] (2014). The impact of congenital thrombotic thrombocytopenic purpura on pregnancy complications. Thrombosis and Haemostasis. ISSN 0340-6245. 111(6), p. 1180–1183. doi: 10.1160/TH13-08-0713.
  • Hetland, Geir; Tangen, Jon-Magnus; Tierens, Anne; Kvalheim, Gunnar; Osnes, Liv T. N. & Tjønnfjord, Geir Erland (2013). The Agaricus blazei-based mushroom extract, AndosanTM,has immuno-suppressive and anti-inflammatory effects when used as supplement to multiple myeloma patients receiving high-dose chemotherapy and autologous bone marrow transplantation.
  • Os, Audun; Bürgler, Simone; Ribes, Anna Maria Parente; Funderud, Ane; Thompson, Keith M & Tjønnfjord, Geir Erland [Show all 8 contributors for this article] (2011). CLL Cells can Collaborate with Antigen-Specific T Helper Cells and Receive Help to Proliferate. Scandinavian Journal of Immunology. ISSN 0300-9475. 73(4), p. 383–383.
  • Fløisand, Yngvar; Delabie, Jan; Fosså, Alexander; Helseth, Eirik; Jacobsen, Eva Astrid & Rolke, Jürgen [Show all 7 contributors for this article] (2011). Richter syndrome presenting as a solitary cerebellar tumor during first-line treatment for chronic lymphocytic leukemia. Leukemia and Lymphoma. ISSN 1042-8194. 52(10), p. 2007–2009. doi: 10.3109/10428194.2011.580480.
  • Skaarud, Kristin Aneta Joan; Grov, Ellen Karine; Tjønnfjord, Geir Erland & Iversen, Per Ole (2010). A food guideline to hospitalized patients with haematological neoplasias treated with stem cell transplantation. Bone Marrow Transplantation. ISSN 0268-3369. 45, p. S362–S363.
  • Heldal, Dag; Brinch, Lorentz; Fløisand, Yngvar; Dybedal, Ingunn; Gedde-Dahl, Thobias & Holme, Pål Andre [Show all 8 contributors for this article] (2010). Long-term (>= 5 years) follow-up of a randomized study of allogeneic stem cell transplantation with stem cells from blood or bone marrow. Bone Marrow Transplantation. ISSN 0268-3369. 45, p. S155–S156.
  • Berentsen, Sigbjørn & Tjønnfjord, Geir Erland (2010). Chronic cold agglutinin disease: High response rates and durable remissions after fludarabine and rituximab combination therapy. Haematologica. ISSN 0390-6078. 95, p. 198–199.
  • Krishnan, Biju; Else, Monica; Tjønnfjord, Geir Erland; Cazin, B.; Carney, Dennis & Carter, John [Show all 11 contributors for this article] (2010). Stem cell transplantation after alemtuzumab in T-cell prolymphocytic leukaemia results in longer survival than after alemtuzumab alone: a multicentre retrospective study. British Journal of Haematology. ISSN 0007-1048. 149(6), p. 907–910. doi: 10.1111/j.1365-2141.2010.08134.x.

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Published Apr. 13, 2011 2:53 PM - Last modified June 6, 2016 1:40 PM