Randomised Controlled Trial of Cognitive Behaviour Therapy versus Mindfulness for Adults with Prolonged Grief

INTERVENTION: There are three arms to this trial. Arm 1: CBT. Arm 2: Emotion Regulaton/CBT. Arm 3: Wait‐List. Therapy is administered once‐weekly over 10 weeks on an individual 90 minute basis. CBT includes 4 sessions of supportive counsellng, followed by 6 sessions of education about Prolonged Grief, cognitive restructuring of erroneous beliefs about the loss , and exposure to memories of the death and to avoided situations. Emotion Regulation/CBT involves 4 sessions of learning skills on identifying and managing distress through distraction, mindfulness, and labelling emotions, followed by 6 sessions of of education about Prolonged Grief, cognitive restructuring of erroneous beliefs about the loss , and exposure to memories of the death and to avoided situations. The duration of the study for any participant will conclude after a 6‐month follow‐up assessment, resulting in participation duration of 9 months. CONDITION: Prolonged Grief PRIMARY OUTCOME: Prolonged Grief symptoms, as measured by the Prolonged Grief ‐13 inventory. SECONDARY OUTCOME: Depression, as measured by the Beck Depression Inventory INCLUSION CRITERIA: Adults who have lost a loved one more than six months ago and satisfy the criteria for Prolonged Grief