Mark Berthold-Losleben

Author information from the last article

Mark Berthold-Losleben er ph.d., M.A., spesialist i psykiatri, overlege på Ketaminenheten ved DPS nord, leder av forskningsgruppen PsykForsk ved Sykehuset Østfold og førsteamanuensis ved NTNU.

Articles by Mark Berthold-Losleben

Clinical and non-clinical use of MDMA

Tor-Morten Kvam,
Ivar W. Goksøyr,
Lowan H. Stewart,
Mark Berthold-Losleben,
Ingrid Autran,
Ole A. Andreassen

16.06.2026: 3,4-methylenedioxymethamphetamine (MDMA), commonly known as ecstasy, has shown promising results in the treatment of post-traumatic stress disorder (PTSD). In clinical trials, the use of MDMA in combination with psychotherapy differs substantially from its illicit recreational use. MDMA is a central...

Ketamine in treatment-resistant depression

Mark Berthold-Losleben,
Ingrid Autran,
Rikke Lise Steen Folstad,
Benedikt Römer,
Tor-Morten Kvam,
Inger-Tove van de Vooren,
Lowan H. Stewart,
Ingmar Claussen,
Ole A. Andreassen

24.04.2025: Ketamine has a rapid antidepressant effect and appears to be a safe and effective treatment option for treatment-resistant depression. Depression is a common, serious illness that has a major negative impact on individuals, their families and society. Cardinal symptoms include low mood, loss of...