• Bipolar multiplex families have an increased burden of common risk variants for psychiatric disorders 

      Andlauer, Till F.M.; Guzman-Parra, José; Streit, Fabian; Strohmaier, Jana; González, Maria José; Flores, Susana Gil; Fabeiro, Francisco J. Cabaleiro; Noriega, Francisco del Río; Perez, Fermin Perez; González, Jesus Haro; Diaz, Guillermo Orozco; Diego-Otero, Yolanda de; Moreno-Küstner, Berta; Auburger, Georg; Degenhardt, Franziska; Heilmann-Heimbach, Stefanie; Herms, Stefan; Hoffmann, Per; Frank, Josef; Foo, Jerome C.; Treutlein, Jens; Witt, Stephanie H.; Cichon, Sven; Kogevinas, Manolis; Bøen, Erlend; Dale, Anders M.; Djurovic, Srdjan; Elvsåshagen, Torbjørn; Reinbold, Céline Sonja; Smeland, Olav Bjerkehagen; Agartz, Ingrid; Melle, Ingrid; Ødegaard, Ketil Joachim; Stordal, Eystein; Andreassen, Ole; Rivas, Fabio; Mayoral, Fermín; Müller-Myhsok, Bertram; Forstner, Andreas J.; Nöthen, Markus M.; Rietschel, Marcella; Stahl, Eli A.; Breen, Gerome; McQuillin, Andrew; Ripke, Stephan; Trubetskoy, Vassily; Mattheisen, Manuel; Wang, Yunpeng; Morken, Gunnar; Vaaler, Arne (Peer reviewed; Journal article, 2021)
      Multiplex families with a high prevalence of a psychiatric disorder are often examined to identify rare genetic variants with large effect sizes. In the present study, we analysed whether the risk for bipolar disorder (BD) ...
    • Chronotype and cellular circadian rhythms predict the clinical response to lithium maintenance treatment in patients with bipolar disorder 

      McCarthy, Michael J.; Stautland, Andrea; Jakobsen, Petter; Ødegaard, Ketil Joachim; Andreassen, Ole Andreas; Djurovic, Srdjan; Morken, Gunnar; Schøyen, Helle Kristine; McInnis, Melvin G.; Alda, Martin; Gage, Fred H.; Calabrese, Joseph R.; Zandi, Peter P.; Nievergelt, Caroline M.; Shilling, Paul D.; Kelsoe, John R. (Journal article; Peer reviewed, 2018)
      Bipolar disorder (BD) is a serious mood disorder associated with circadian rhythm abnormalities. Risk for BD is genetically encoded and overlaps with systems that maintain circadian rhythms. Lithium is an effective mood ...
    • Clinical Predictors of Non‐Response to Lithium Treatment in The Pharmacogenomics of Bipolar Disorder (PGBD) Study 

      Lin, Yan; Maihofer, Adam X.; Stapp, Emma; Ritchey, Megan; Alliey-Rodriguez, Ney; Anand, Amit; Balaraman, Yokesh; Berrettini, Wade H; Bertram, Holli; Bhattacharjee, Abesh; Calkin, Cynthia V.; Conroy, Carla; Coryell, William; D´Arcangelo, Nicole; DeModena, Anna; Biernacka, Joanna M.; Fisher, Carrie; Frazier, Nicole; Frye, Mark; Gao, Keming; Garnham, Julie; Gershon, Elliot; Glazer, Kara; Goes, Fernando S; Goto, Toyomi; Karberg, Elizabeth; Harrington, Gloria J.; Jakobsen, Petter; Kamali, Masoud; Kelly, Marisa; Leckband, Susan G.; Lohoff, Falk W.; Stautland, Andrea; McCarthy, Michael J.; McInnis, Melvin G.; Mondimore, Francis; Morken, Gunnar; Nurnberger, John I.; Ødegaard, Ketil Joachim; Syrstad, Vigdis Elin Giæver; Ryan, Kelly; Schinagle, Martha; Schøyen, Helle Kristine; Andreassen, Ole; Shaw, Martha; Shilling, Paul D.; Slaney, Claire; Tarwater, Bruce; Calabrese, Joseph R.; Alda, Martin; Nievergelt, Caroline M.; Zandi, Peter P.; Kelsoe, John R. (Journal article; Peer reviewed, 2021)
      Background Lithium is regarded as a first-line treatment for bipolar disorder (BD), but partial response and non-response commonly occurs. There exists a need to identify lithium non-responders prior to initiating treatment. ...
    • Dissecting the shared genetic basis of migraine and mental disorders using novel statistical tools 

      Bahrami, Shahram; Hindley, Guy Frederick Lanyon; Winsvold, Bendik K S; O'Connell, Kevin S; Frei, Oleksandr; Shadrin, Alexey; Cheng, Weiqiu; Bettella, Francesco; Rødevand, Linn; Ødegaard, Ketil Joachim; Fan, Chun C; Pirinen, Matti J; Hautakangas, Heidi M; Martinsen, Amy; Skogholt, Anne Heidi; Brumpton, Ben Michael; Willer, Cristen J; Tronvik, Erling Andreas; Kristoffersen, Espen Saxhaug; Zwart, John Anker Henrik; Nielsen, Jonas Bille; Hagen, Knut; Nilsen, Kristian Bernhard; Hveem, Kristian; Stovner, Lars Jacob; Fritsche, Lars; Thomas, Laurent; Pedersen, Linda Margareth; Gabrielsen, Maiken Elvestad; Johnsen, Marianne Bakke; Lie, Marie; Holmen, Oddgeir Lingaas; Børte, Sigrid; Stensland, Synne; Zhou, Wei; Dale, Anders; Djurovic, Srdjan; Smeland, Olav Bjerkehagen; Andreassen, Ole (Peer reviewed; Journal article, 2022)
      Migraine is three times more prevalent in people with bipolar disorder or depression. The relationship between schizophrenia and migraine is less certain although glutamatergic and serotonergic neurotransmission are ...
    • Genome-wide association study identifies 30 loci associated with bipolar disorder 

      Stahl, Eli A.; Breen, Gerome; Forstner, Andreas J.; McQuillin, Andrew; Ripke, Stephan; Trubetskoy, Vassily; Mattheisen, Manuel; Wang, Yunpeng; Coleman, Jonathan R.I.; Gaspar, Héléna A.; de Leeuw, Christiaan A.; Steinberg, Stacy; Pavlides, Jennifer M. Whitehead; Trzaskowski, Maciej; Byrne, Enda M.; Pers, Tune H.; Holmans, Peter A.; Richards, Alexander L.; Abbott, Liam; Agerbo, Esben; Akil, Huda; Albani, Diego; Alliey-Rodriguez, Ney; Als, Thomas D.; Anjorin, Adebayo; Antilla, Verneri; Awasthi, Swapnil; Badner, Judith A.; Bækvad-Hansen, Marie; Barchas, Jack D.; Bass, Nicholas; Bauer, Michael; Belliveau, Richard; Bergen, Sarah E.; Pedersen, Carsten Bøcker; Bøen, Erlend; Boks, Marco P.; Boocock, James; Budde, Monika; Bunney, William; Burmeister, Margit; Bybjerg-Grauholm, Jonas; Byerley, William; Casas, Miquel; Cerrato, Felecia; Cervantes, Pablo; Chambert, Kimberly; Charney, Alxander W.; Chen, Danfeng; Churchhouse, Claire; Clarke, Toni-Kim; Coryell, William; Craig, David W.; Cruceanu, Cristiana; Curtis, David; Czerski, Piotr M.; Dale, Anders; de Jong, Simone; Degenhardt, Franziska; Del-Favero, Jurgen; Depaulo, J. Raymond; Djurovic, Srdjan; Dobbyn, Amanda L.; Dumont, Ashley; Elvsåshagen, Torbjørn; Escott-Price, Valentina; Fan, Chun Chieh; Fischer, Sascha B.; Flickinger, Matthew; Foroud, Tatiana M.; Forty, Liz; Frank, Josef; Fraser, Christine; Freimer, Nelson B.; Frisén, Louise; Gade, Katrin; Gage, Diane; Garnham, Julie; Giambartolomei, Claudia; Pedersen, Marianne Giørtz; Goldstein, Jaqueline; Gordon, Scott D.; Gordon-Smith, Katherine; Green, Elaine K.; Green, Melissa J.; Greenwood, Tifany A.; Grove, Jakob; Guan, Weihua; Guzman-Parra, José; Hamshere, Marian L.; Hautzinger, Martin; Heilbronner, Urs; Herms, Stefan; Hipolito, Maria; Hoffmann, Per; Holland, Dominic; Huckins, Laura; Jamain, Stéphane; Johnson, Jessica S.; Juréus, Anders; Kandaswamy, Radhika; Karlsson, Robert; Kennedy, James L.; Kittel-Schneider, Sarah; Knowles, James A.; Kogevinas, Manolis; Koller, Anna C.; Kupka, Ralph; Lavebratt, Catharina; Lawrence, Jacob; Lawson, William B.; Leber, Markus; Lee, Phil H.; Levy, Shawn E.; Li, Jun Z.; Liu, Chunyu; Lucae, Susanne; Maaser, Anna; MacIntyre, Donald J.; Mahon, Pamela B.; Maier, Wolfgang; Martinsson, Lina; McCarroll, Steve; McGuffin, Peter; McInnis, Melvin G.; McKay, James D.; Medeiros, Helena; Medland, Sarah E.; Meng, Fan; Milani, Lili; Montgomery, Grant W.; Morris, Derek W.; Mühleisen, Thomas W.; Mullins, Niamh; Nguyen, Hoang; Nievergelt, Caroline M.; Adolfsson, Annelie Nordin; Nwulia, Evaristus A.; O'Donovan, Claire; Loohuis, Loes M. Olde; Ori, Anil P.S.; Oruc, Lilijana; Ösby, Urban; Perlis, Roy H.; Perry, Amy; Pfennig, Andrea; Potash, James B.; Purcell, Shaun M.; Regeer, Eline J.; Reif, Andreas; Reinbold, Céline S.; Rice, John P.; Rivas, Fabio; Rivera, Margarita; Roussos, Panos; Ruderfer, Douglas M.; Ryu, Euijung; Sánchez-Mora, Cristina; Schatzberg, Alan F.; Scheftner, William A.; Schork, Nicholas J.; Shannon Weickert, Cynthia; Shehktman, Tatyana; Shilling, Paul D.; Sigurdsson, Engilbert; Slaney, Claire; Smeland, Olav Bjerkehagen; Sobell, Janet L.; Søholm Hansen, Christine; Spijker, Anne T.; St Clair, David; Steffens, Michael; Strauss, John S.; Streit, Fabian; Strohmaier, Jana; Szelinger, Szabolcs; Thompson, Robert C.; Thorgeirsson, Thorgeir E; Treutlein, Jens; Vedder, Helmut; Wang, Weiqing; Watson, Stanley J.; Weickert, Thomas W.; Witt, Stephanie H.; Xi, Simon; Xu, Wei; Young, Allan H.; Zandi, Peter; Zhang, Peng; Zöllner, Sebastian; Adolfsson, Rolf; Agartz, Ingrid; Alda, Martin; Backlund, Lena; Baune, Bernhard T.; Bellivier, Frank; Berrettini, Wade H.; Biernacka, Joanna M.; Blackwood, Douglas H.R.; Boehnke, Michael; Børglum, Anders D.; Corvin, Aiden; Craddock, Nicholas; Daly, Mark J.; Dannlowski, Udo; Esko, Tõnu; Etain, Bruno; Frye, Mark; Fullerton, Janice M.; Gershon, Elliot S.; Gill, Michael; Goes, Fernando; Grigoroiu-Serbanescu, Maria; Hauser, Joanna; Hougaard, David M.; Hultman, Christina M.; Jones, Ian; Jones, Lisa A.; Kahn, René S.; Kirov, George; Landén, Mikael; Leboyer, Marion; Lewis, Cathryn M.; Li, Qingqin S.; Lissowska, Jolanta; Martin, Nicholas G.; Mayoral, Fermin; McElroy, Susan L.; McIntosh, Andrew M.; McMahon, Francis J.; Melle, Ingrid; Metspalu, Andres; Mitchell, Philip B.; Morken, Gunnar; Mors, Ole; Mortensen, Preben Bo; Müller-Myhsok, Bertram; Myers, Richard M.; Neale, Benjamin M.; Nimgaonkar, Vishwajit; Nordentoft, Merete; Nöthen, Markus M.; O'Donovan, Michael C; Ødegaard, Ketil Joachim; Owen, Michael J.; Paciga, Sara A.; Pato, Carlos; Pato, Michele T.; Posthuma, Danielle; Ramos-Quiroga, Josep Antoni; Ribasés, Marta; Rietschel, Marcella; Rouleau, Guy A.; Schalling, Martin; Schofield, Peter R.; Schulze, Thomas G.; Serretti, Alessandro; Smoller, Jordan W.; Stefansson, Hreinn; Stefansson, Kari; Stordal, Eystein; Sullivan, Patrick F.; Turecki, Gustavo; Vaaler, Arne; Vieta, Eduard; Vincent, John B.; Werge, Thomas; Nurnberger, John I.; Wray, Naomi R.; Di Florio, Arianna; Edenberg, Howard J.; Cichon, Sven; Ophoff, Roel A.; Scott, Laura J.; Andreassen, Ole Andreas; Kelsoe, John; Sklar, Pamela (Journal article; Peer reviewed, 2019)
      Bipolar disorder is a highly heritable psychiatric disorder. We performed a genome-wide association study (GWAS) including 20,352 cases and 31,358 controls of European descent, with follow-up analysis of 822 variants with ...
    • Linear and non-linear analyses of Conner's Continuous Performance Test-II discriminate adult patients with attention deficit hyperactivity disorder from patients with mood and anxiety disorders 

      Fasmer, Ole Bernt; Mjeldheim, Kristin; Førland, Wenche; Hansen, Anita Lill; Syrstad, Vigdis Elin Giæver; Ødegaard, Ketil Joachim; Berle, Jan Øystein (Peer reviewed; Journal article, 2016)
      Background: Attention Deficit Hyperactivity Disorder (ADHD) is a heterogeneous disorder. Therefore it is important to look for factors that can contribute to better diagnosis and classification of these patients. The aims ...
    • Neurocognitive profiles in treatment-resistant bipolar I and bipolar II disorder depression 

      Kessler, Ute; Schøyen, Helle Kristine; Andreassen, Ole Andreas; Eide, Geir Egil; Hammar, Åsa; Malt, Ulrik Fredrik; Ødegaard, Ketil Joachim; Morken, Gunnar; Sundet, Kjetil Søren; Vaaler, Arne Einar (Journal article; Peer reviewed, 2013)
      Background: The literature on the neuropsychological profiles in Bipolar disorder (BD) depression is sparse. The aims of the study were to assess the neurocognitive profiles in treatment-resistant, acutely admitted BD ...
    • The Pharmacogenomics of Bipolar Disorder study (PGBD): Identification of genes for lithium response in a prospective sample 

      Ødegaard, Ketil Joachim; Alda, Martin; Anand, Anit; Andreassen, Ole Andreas; Balaraman, Yokesh; Berrettini, Wade H.; Bhattacharjee, Abesh; Brennand, Kristen J.; Burdick, Katherine E.; Calabrese, Joseph R.; Calkin, Cynthia V.; Claasen, Ana; Coryell, William H.; Craig, David; DeModena, Anna; Frye, Mark A.; Gage, Fred H.; Gao, Keming; Garnham, Julie; Gershon, Elliot; Jakobsen, Petter; Leckband, Susan G.; McCarthy, Michael J.; McInnis, Melvin G.; Maihofer, Adam X.; Mertens, Jerome; Morken, Gunnar; Nievergelt, Caroline M.; Nurnberger, John I.; Pham, Son; Schøyen, Helle Kristine; Shekhtman, Tatyana; Shilling, Paul D.; Szelinger, Szabolcs; Tarwater, Bruce; Yao, Jun; Zandi, Peter P.; Kelsoe, John R. (Journal article; Peer reviewed, 2016)
      Background Bipolar disorder is a serious and common psychiatric disorder characterized by manic and depressive mood switches and a relapsing and remitting course. The cornerstone of clinical management is stabilization ...
    • The Pharmacogenomics of Bipolar Disorder study (PGBD): identification of genes for lithium response in a prospective sample 

      Ødegaard, Ketil Joachim; Alda, Martin; Anand, Anit; Andreassen, Ole Andreas; Balaraman, Yokesh; Berrettini, Wade H.; Bhattacharjee, Abesh; Brennand, Kristen J.; Burdick, Katherine E.; Calabrese, Joseph R.; Calkin, Cynthia V.; Claasen, Ana; Coryell, William H.; Craig, David; DeModena, Anna; Frye, Mark A.; Gage, Fred H.; Gao, Keming; Garnham, Julie; Gershon, Elliot; Jakobsen, Petter; Leckband, Susan G.; McCarthy, Michael J.; McInnis, Melvin G.; Maihofer, Adam X.; Mertens, Jerome; Morken, Gunnar; Nievergelt, Caroline M.; Nurnberger, John I.; Pham, Son; Schoeyen, Helle K.; Shekhtman, Tatyana; Shilling, Paul D.; Szelinger, Szabolcs; Tarwater, Bruce; Yao, Jun; Zandi, Peter P.; Kelsoe, John R. (Journal article; Peer reviewed, 2016)
      Background Bipolar disorder is a serious and common psychiatric disorder characterized by manic and depressive mood switches and a relapsing and remitting course. The cornerstone of clinical management is stabilization ...
    • The study protocol of the Norwegian randomized controlled trial of electroconvulsive therapy in treatment resistant depression in bipolar disorder 

      Kessler, Ute; Vaaler, Arne E.; Schøyen, Helle; Ødegaard, Ketil Joachim; Bergsholm, Per; Andreassen, Ole Andreas; Malt, Ulrik Fredrik; Morken, Gunnar (Journal article; Peer reviewed, 2010)
      Background: The treatment of depressive phases of bipolar disorder is challenging. The effects of the commonly used antidepressants in bipolar depression are questionable. Electroconvulsive therapy is generally considered ...