Blar i NTNU Open på forfatter "Hagen, Kristen"

Viser treff 1-20 av 29

    • A randomized controlled trial of concentrated ERP, self-help and waiting list for obsessive- compulsive disorder: The Bergen 4-Day Treatment 

      Launes, Gunvor; Hagen, Kristen; Sunde, Tor; Øst, Lars Gøran; Klovning, Ingrid; Laukvik, Inger Lill; Himle, Joseph A.; Solem, Stian; Hystad, Sigurd William; Hansen, Bjarne; Kvale, Gerd (Journal article; Peer reviewed, 2019)
      Background: The Bergen 4-day treatment (B4DT) is a concentrated exposure-based treatment for patients with Obsessive-Compulsive Disorder (OCD) delivered during four consecutive days. The B4DT has in a number of effectiveness ...

    • The Bergen 4-Day Treatment (B4DT) for Obsessive-Compulsive Disorder: Outcomes for Patients Treated After Initial Waiting List or Self-Help Intervention 

      Launes, Gunvor; Hagen, Kristen; Öst, Lars Gøran; Solem, Stian; Hansen, Bjarne; Kvale, Gerd (Peer reviewed; Journal article, 2020)
      The Bergen 4-day treatment (B4DT) for obsessive-compulsive disorder (OCD) was recently tested in a randomized controlled trial, where the results showed that the B4DT was more effective than a self-help intervention (SH) ...

    • The Bergen 4-day treatment for panic disorder: implementation in a rural clinical setting 

      Eide, Thorstein Olsen; Hjelle, Kay Morten; Sætre, Ida Ueland; Solem, Stian; Olsen, Thorbjørn; Skøld, Rolf Olof; Kvale, Gerd; Hansen, Bjarne Kristian Aaslie; Hagen, Kristen (Journal article; Peer reviewed, 2023)
      Introduction The Bergen 4-Day Treatment (B4DT) is a concentrated treatment with individually tailored exposure exercises. The format has shown promising results in the treatment of panic disorder. Aim The aim of the ...

    • The Bergen 4-day treatment for panic disorder: replication and implementation in a new clinic 

      Iversen, Hanne Moe; Eide, Thorstein Olsen; Harvold, Mathea; Solem, Stian; Kvale, Gerd; Hansen, Bjarne Kristian Aaslie; Hagen, Kristen (Peer reviewed; Journal article, 2022)
      Background Bergen 4-day treatment (B4DT) is a concentrated exposure-based treatment (cET), where the patient receives concentrated, individually tailored cognitive behavioral therapy (CBT) during four consecutive days. ...

    • Cessation of Deliberate Self-Harm Behavior in Patients With Borderline Personality Traits Treated With Outpatient Dialectical Behavior Therapy 

      Westad, Yngvill Ane Stokke; Hagen, Kristen; Jonsbu, Egil; Solem, Stian (Peer reviewed; Journal article, 2021)
      The first aim of the study was to identify when deliberate self-harm (DSH) behavior ceased in patients with borderline symptoms undergoing dialectical behavioral treatment (DBT). The second aim was to compare patients who ...

    • Changes in contamination-related obsessions and compulsions during the COVID-19 pandemic: A Norwegian longitudinal study 

      Grøtte, Torun; Hagen, Kristen; Eid, Jarle; Kvale, Gerd; Hellard, Stephanie Francoise Claire Le; Solem, Stian (Peer reviewed; Journal article, 2022)
      Background Early stages of the COVID-19 pandemic have been associated with increasing obsessive-compulsive symptoms (OCS), but less is known regarding these symptoms’ long-term trajectories. The aim of this study was ...

    • Changes in mental health symptoms from April (COVID-19 outbreak) to December 2020 in Norway: A two-wave study 

      Hagen, Kristen; Solem, Stian; Stavrum, Anne-Kristin Støbakk; Eid, Jarle; Kvale, Gerd; Samdal, Oddrun; Hellard, Stephanie Francoise Claire Le (Peer reviewed; Journal article, 2023)
      The main objective of the study was to investigate changes in mental health symptoms from the start of the pandemic in Norway (April) to December 2020. A total of 6017 participants completed an assessment of the survey at ...

    • Cohort Profile: COVIDMENT: COVID-19 cohorts on mental health across six nations 

      Unnarsdóttir, Anna Bára; Lovik, Anikó; Fawns-Ritchie, Chloe; Ask, Helga; Kõiv, Kadri; Hagen, Kristen; Didriksen, Maria; Christoffersen, Lea Arregui Nordahl; Garðarsson, Alexander Berg; McIntosh, Andrew; Kähler, Anna K.; Campbell, Archie; Hauksdóttir, Arna; Erikstrup, Christian; Mikkelsen, Dorte Helenius; Altschul, Drew; Thordardottir, Edda Bjork; Frans, Emma Maria; Kvale, Gerd; Tómasson, Gunnar; Kariis, Hanna Maria; Jónsdóttir, Harpa Lind; Rúnarsdóttir, Harpa; Magnúsdóttir, Ingibjörg; Eid, Jarle; Jakobsdóttir, Jóhanna; Nielsen, Kaspar René; Kaspersen, Kathrine Agergård; Milani, Lili; Trogstad, Lill-Iren Schou; Yi, Lu; Bruun, Mie Topholm; Sullivan, Patrick F.; Magnus, Per Minor; Shen, Qing; Nesvåg, Ragnar; Brandlistuen, Ragnhild Eek; Mägi, Reedik; Ostrowski, Sisse Rye; Løkhammer, Solveig; Solem, Stian; Reichborn-Kjennerud, Ted; Hansen, Thomas Folkmann; Werge, Thomas; Aspelund, Thor; Porteous, David J.; Fang, Fang; Lehto, Kelli; Andreassen, Ole; Pedersen, Ole Birger Vesterager; Hellard, Stephanie Francoise Claire Le; Valdimarsdóttir, Unnur Anna (Journal article; Peer reviewed, 2021)
      Key features • COVIDMENT [www.covidment.is] is a NordForsk-funded research collaboration across six nations, with the overarching aim to significantly advance current knowledge on mental morbidity trajectories associated ...

    • Comorbid Obsessive- Compulsive Disorder and Psychosis Prevalence, Prognosis, and Psychological Treatment 

      Hagen, Kristen (Doctoral thesis at NTNU;2016:120, Doctoral thesis, 2016)
      Sammendrag på norsk/ Summary in Norwegian: De fleste studier som har undersøkt sammenhengen mellom OCD og psykose har vist at 8- 26% av pasienter med schizofreni oppfyller kriteriene for OCD. Disse komorbide tilstandene er ...

    • Digital cognitive-behavioural therapy for insomnia compared with digital patient education about insomnia in individuals referred to secondary mental health services in Norway: Protocol for a multicentre randomised controlled trial 

      Kallestad, Håvard; Saksvik, Simen Berg; Vedaa, Øystein; Langsrud, Knut; Morken, Gunnar; Lydersen, Stian; Simpson, Melanie Rae; Dørheim, Signe Karen; Holmøy, Bjørn; Germans Selvik, Sara; Hagen, Kristen; Stiles, Tore C; Harvey, Allison G.; Ritterband, Lee M.; Sivertsen, Børge; Scott, Janine Linda (Peer reviewed; Journal article, 2021)
      Introduction Insomnia is highly prevalent in outpatients receiving treatment for mental disorders. Cognitive–behavioural therapy for insomnia (CBT-I) is a recommended first-line intervention. However, access is limited and ...

    • Does Concentrated Exposure Treatment for Obsessive-Compulsive Disorder Improve Insomnia Symptoms? Results From a Randomized Controlled Trial 

      Hagen, Kristen; Nordahl, Håkon; Launes, Gunvor; Kvale, Gerd; Öst, Lars Gøran; Hystad, Sigurd; Hansen, Bjarne; Solem, Stian (Peer reviewed; Journal article, 2021)
      Insomnia is a substantial problem in patients with obsessive-compulsive disorder (OCD). There is, however, a lack of studies investigating changes in concurrent symptoms of insomnia in OCD after concentrated treatment. A ...

    • Effect of D-Cycloserine on the Effect of Concentrated Exposure and Response Prevention in Difficult-to-Treat Obsessive-Compulsive Disorder: A Randomized Clinical Trial 

      Kvale, Gerd; Hansen, Bjarne; Hagen, Kristen; Abramowitz, Jonathan S.; Børtveit, Tore; Craske, Michelle G.; Franklin, Martin E.; Haseth, Svein; Himle, Joseph A; Hystad, Sigurd William; Kristensen, Beate; Launes, Gunvor; Lund, Anders; Solem, Stian; Öst, Lars Gøran (Peer reviewed; Journal article, 2020)
      Importance Evidence is lacking for viable treatment options for patients with difficult-to-treat obsessive-compulsive disorder (OCD). It has been suggested that D-cycloserine (DCS) could potentiate the effect of exposure ...

    • The functional connectome in obsessive-compulsive disorder: resting-state mega-analysis and machine learning classification for the ENIGMA-OCD consortium 

      Bruin, Willem B.; Abe, Yoshinari; Alonso, Pino; Anticevic, Alan; Backhausen, Lea L.; Balachander, Srinivas; Bargallo, Nuria; Batistuzzo, Marcelo C.; Benedetti, Francesco; Bertolin Triquell, Sara; Brem, Silvia; Calesella, Federico; Couto, Beatriz; Denys, Damiaan A. J. P.; Echevarria, Marco A. N.; Eng, Goi Khia; Ferreira, Sónia; Feusner, Jamie D.; Grazioplene, Rachael G.; Gruner, Patricia; Guo, Joyce Y.; Hagen, Kristen; Hansen, Bjarne Kristian Aaslie; Hirano, Yoshiyuki; Hoexter, Marcelo Q.; Jahanshad, Neda; Jaspers-Fayer, Fern; Kasprzak, Selina; Kim, Minah; Koch, Kathrin; Bin Kwak, Yoo; Kwon, Jun Soo; Lazaro, Luisa; Li, Chiang-Shan R.; Lochner, Christine; Marsh, Rachel; Martínez-Zalacaín, Ignacio; Menchon, Jose M.; Moreira, Pedro S.; Morgado, Pedro; Nakagawa, Akiko; Nakao, Tomohiro; Narayanaswamy, Janardhanan C.; Nurmi, Erika L.; Zorrilla, Jose C. Pariente; Piacentini, John; Picó-Pérez, Maria; Piras, Fabrizio; Piras, Federica; Pittenger, Christopher; Reddy, Janardhan Y. C.; Rodriguez-Manrique, Daniela; Sakai, Yuki; Shimizu, Eiji; Shivakumar, Venkataram; Simpson, Blair H.; Soriano-Mas, Carles; Sousa, Nuno; Spalletta, Gianfranco; Stern, Emily R.; Stewart, S. Evelyn; Szeszko, Philip R.; Tang, Jinsong; Thomopoulos, Sophia I.; Thorsen, Anders Lillevik; Tokiko, Yoshida; Tomiyama, Hirofumi; Vai, Benedetta; Veer, Ilya M.; Venkatasubramanian, Ganesan; Vetter, Nora C.; Vriend, Chris; Walitza, Susanne; Waller, Lea; Wang, Zhen; Watanabe, Anri; Wolff, Nicole; Yun, Je-Yeon; Zhao, Qing; van Leeuwen, Wieke A.; van Marle, Hein J. F.; van de Mortel, Laurens A.; van der Straten, Anouk; van der Werf, Ysbrand D.; Kvale, Gerd; Thompson, Paul M.; Stein, Dan J.; van den Heuvel, Odile A; van Wingen, Guido A. (Peer reviewed; Journal article, 2023)
      Current knowledge about functional connectivity in obsessive-compulsive disorder (OCD) is based on small-scale studies, limiting the generalizability of results. Moreover, the majority of studies have focused only on ...

    • Is sensory processing sensitivity related to treatment outcome in concentrated exposure and response prevention treatment for obsessive-compulsive disorder? 

      Holm, Silje Elisabeth Hasmo; Hansen, Bjarne; Kvale, Gerd; Eilertsen, Thomas; Hagen, Kristen; Solem, Stian (Peer reviewed; Journal article, 2019)
      It has been debated whether concentrated exposure and response prevention (ERP) is too difficult to tolerate for some patients. This report therefore uses quality assurance data looking into whether sensory processing ...

    • Mental health symptoms during the first months of the COVID-19 outbreak in Norway: A cross-sectional survey study 

      Hagen, Kristen; Solem, Stian; Stavrum, Anne-Kristin Støbakk; Eid, Jarle; Kvale, Gerd; Samdal, Oddrun; Hellard, Stephanie Francoise Claire Le (Peer reviewed; Journal article, 2021)
      Background: The COVID-19 pandemic has led to major social and economic changes that could impact public mental health. The main aim of the current study was to investigate mental health in Norway during the COVID-19 outbreak ...

    • Obsessive-compulsive disorder (OCD) in patients with first- episode psychosis (FEP): A prospective study 

      Hagen, Kristen; Solem, Stian; Larsen, Tor Ketil; Joa, Inge; Kvale, Gerd; Hansen, Bjarne (Journal article; Peer reviewed, 2014)

    • Personality traits and hardiness as risk- and protective factors for mental distress during the COVID-19 pandemic: a Norwegian two-wave study 

      Lassen, Espen Rasmussen; Hagen, Kristen; Kvale, Gerd; Eid, Jarle; Le Hellard, Stephanie; Solem, Stian (Peer reviewed; Journal article, 2022)
      Background Several risk factors for anxious-depressive symptomatology during the COVID-19 pandemic have been established. However, few studies have examined the relationship between personality traits, hardiness, and such ...

    • Prevalence and clinical characteristics of patients with obsessive-compulsive disorder in first-episode psychosis 

      Hagen, Kristen; Hansen, Bjarne; Joa, Inge; Larsen, Tor Ketil (Journal article; Peer reviewed, 2013)
      Background: Obsessive-compulsive disorder (OCD) in patients with psychotic disorders has been reported to be a frequent co-morbid disorder in patients with psychotic disorders. The aim of the study determine the prevalence ...

    • Prevalence of personality disorders in patients with OCD and relationship to treatment outcome 

      Øvrehus, Espen Handeland; Martinsen, Anneli Sund; Hagen, Kristen; Hansen, Bjarne; Kvale, Gerd (Peer reviewed; Journal article, 2016)
      Objective: As a rule of thumb 30-40% of patients with OCD do not experience clinically relevant change from exposure and response prevention (ERP), and 50% can expect to be classified as recovered post treatment. The ...

    • Psychological distress among caregivers of children with neurodevelopmental disorders in Nepal 

      Maridal, Hans Kristian; Bjørgaas, Hanne Marit; Hagen, Kristen; Jonsbu, Egil; Mahat, Pashupati; Malakar, Shankar; Dørheim, Signe Karen (Peer reviewed; Journal article, 2021)
      Parenting a child with neurodevelopmental disorder (NDD) is related to a higher rate of anxiety and depression, increased stress, and reduced quality of life. Although there is reason to believe that parenting children ...