ISRCTN38209986.

Trial name or title	Improving Psychodynamic Psychotherapy in Primary Care: Randomised Evaluation of Dynamic Interpersonal Therapy (DIT)
Methods	Single‐blind, multi‐site RCT
Participants	1. Aged over 18 years, male or female  2. Current diagnosis of Major depressive disorder (MDD) with or without dysthymic disorder according to Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition (DSM‐IV) criteria  3. Hamilton Depression Rating Scale score above 14  4. Patient Health Questionnaire (PHQ) score above 10  5. Confirmed need for high‐intensity treatment either at triage, following referral, or by low‐intensity worker and supervisor
Interventions	Dynamic Interpersonal Therapy vs Enhanced Wait List, Enhanced Wait list condition involving low‐level routine clinical care with elements of low‐intensity treatment.
Outcomes	Primary outcome measure: Hamilton Depression Rating Scale (HDRS‐17) Secondary outcome measures: Beck Depression Inventory (BDI‐II); Brief Symptom Inventory (BSI); EuroQOL (EQ‐5D); MINI+ (Mini‐International MINI international neuropsychiatric interview); Reflective Function Questionnaire (RFQ‐54); Revised Social Adjustment Scale (SAS‐r)
Starting date	20/06/2012
Contact information	Ms Tara  McFarquhar, email: tara.mcfarquhar@annafreud.org
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