A Mindfulness Course Eased Depression That Talking Therapy Hadn’t Shifted

CATEGORY: STRESS & MIND-BODY

You finish a full course of therapy, and the depression is still there. It’s one of the most discouraging moments in mental health care. What comes next has never been clear. A UK trial enrolled 234 adults in exactly that position and offered half of them an eight-week mindfulness course on top of their usual care. Eight months in, their depression scores were about 2.5 points lower on the 27-point questionnaire doctors use than the scores of people who got usual care alone.¹

Eight Weeks of Group Sessions, by Video Call

The course was mindfulness-based cognitive therapy, or MBCT. It blends meditation practice with techniques from cognitive therapy, and it teaches people to notice the thought spirals that drag a low mood lower. Everyone in the trial had already completed at least 12 sessions of high-intensity NHS talking therapy without remission. A random draw then decided who got a course place and who didn’t, which is what makes the comparison trustworthy. Groups met by video call once a week for eight weeks, led by a trained therapist. Attendance held up well: 86% of those offered the course completed at least half the sessions.¹

Two and a Half Points, Still There at Eight Months

Depression was scored on the PHQ-9, a nine-question checklist that runs from 0 to 27. A score of 10 or more signals at least moderate depression, and everyone started at 10 or above. At 34 weeks, the MBCT group sat 2.49 points lower than the usual-care group (95% CI 1.09 to 3.89 points, p=0.0006).¹ The researchers describe that as a small-to-moderate effect. It’s not a cure. It is a real, lasting difference in people whose depression had already resisted a full course of treatment, and it was still visible six months after the course ended.

Under £100 a Person to Run

The economic side may matter as much as the symptom scores. Delivering the course cost less than £100 per person, and overall health and care costs came out slightly lower in the MBCT group. The analysis put the chance that the course is cost-effective by standard NHS thresholds at 99%.¹ That combination is rare. A treatment helped people other treatments had missed, and it likely paid for itself.

Seven Trials Point the Same Way

Other research lands in the same place. A 2026 analysis pooled individual data from seven trials, 777 people in all, testing MBCT in difficult-to-treat depression. Against usual care, MBCT likely helps, with about a 92% probability that the benefit is clinically relevant.² One caution came with it: when MBCT was compared against other active therapies rather than usual care, no clear difference emerged. So the honest reading is that MBCT earns a place among second-line options, not above them.

Key Takeaways

• Depression that survives a full course of talking therapy may still respond to a different approach; this trial found meaningful improvement from an eight-week mindfulness course added to usual care.
• The benefit was about 2.5 points on the 27-point PHQ-9 depression scale, a small-to-moderate effect that persisted six months after the course ended.
• The course cost under £100 per person to deliver and was judged 99% likely to be cost-effective for the NHS.
• Pooled data from seven trials back the finding against usual care, though MBCT hasn’t been shown to beat other active therapies.

References

1. Barnhofer T, Dunn BD, Strauss C, et al. Mindfulness-based cognitive therapy versus treatment as usual after non-remission with NHS Talking Therapies high-intensity psychological therapy for depression: a UK-based clinical effectiveness and cost-effectiveness randomised, controlled, superiority trial. The Lancet Psychiatry. 2025;12(6):433–446. link
2. Barnhofer T, Niemi M, Michalak J, et al. Efficacy and Moderators of Mindfulness-Based Cognitive Therapy in Difficult-to-Treat Depression: A Systematic Review and Individual Participant Data Meta-Analysis. Psychotherapy and Psychosomatics. 2026:1–16. link