D02

Clinical Psychology

Closing the gap between psychological need and effective therapeutic contact — and treating the mind as part of physical-illness care, not an afterthought

Domain assessment Assessed 2026-06-18 · v1

The standing claim

Two levers decide value in this domain: the time between psychological need and effective therapeutic contact, and whether psychological care is built into physical-illness pathways rather than bolted on. Psychological suffering is the part of the encounter the biomedical record is least able to see — and the part most likely to determine whether treatment is sustained and whether a life feels worth living.

Where practice stands

England has, in NHS Talking Therapies (formerly IAPT), a genuinely world-leading achievement on one axis: measured access at scale. The service publishes session-by-session outcomes for over a million people a year and meets firm access standards — ≥75% to first treatment within 6 weeks, ≥95% within 18 weeks. But two gaps matter for this domain. First, recovery sits around the 50% expected standard, not comfortably above it. Second, there is no distinct standard for older adults or for people with long-term physical conditions — precisely the groups this publication tracks. Provision of clinical psychology inside acute and older-people’s services is thin and variable: the British Psychological Society reports on the order of ~1,000 WTE psychological professionals across acute hospital trusts in England, much of it on time-limited funding (BPS, citing the NHS Benchmarking census). The need is whole-person; the provision is patchy and rarely embedded where physical illness is treated.

What good looks like

“Good” is stepped, integrated, measurement-based care — and the outcome evidence for it is strong. According to PubMed, the IMPACT trial (Unützer et al., 2002 — RCT, n=1,801, age ≥60) found collaborative care for late-life depression roughly doubled response: 45% achieved ≥50% symptom reduction at 12 months vs 19% with usual care (OR 3.45, 95% CI 2.71–4.38), with better function and quality of life. A meta-analysis of 20 RCTs (n=4,774) found collaborative care improves not only depression but physical illness burden (OR 1.64, 95% CI 1.47–1.83) — the mind-body integration is not rhetorical (van Eck van der Sluijs et al., 2017). NICE recommends exactly this model — collaborative, stepped care for depression with a chronic physical health problem (CG91; NG222) — and structured psychosocial intervention (e.g. cognitive stimulation therapy) in dementia (NG97); these are authoritative recommendations, not statutory mandates.

The exemplar is chosen on outcomes and transferability, not reputation — and it does not need importing. The collaborative-care model has already been delivered inside NHS primary care, for a deprived-inclusive population, in the COINCIDE programme: low-intensity psychological treatment delivered by existing Talking Therapies practitioners alongside practice nurses, for people with depression and diabetes or heart disease, at a cost of £16,123 per QALY — below the NICE threshold (Camacho et al., 2016). So the model with the best evidence is also the one with NHS-native proof of feasibility and value. NHS Talking Therapies is the international exemplar for measured access; collaborative care is the exemplar for integrated provision in physical illness and older age — and the distance between the two is the work.

Through the lenses

The measure is use value — does the person feel more capable, less frightened, more themselves — not the count of contacts. This is the illness vs disease distinction (Kleinman) and McGilchrist’s whole-person attention made operational: the psychological dimension is the living context the record omits. The VAT lever is time-to-effective-contact and right-sizing the intervention to the need. Cross-domain, psychological capacity shapes outcomes in every other domain — delirium and distress in acute frailty (D01), the emotional labour of rehabilitation (D04), and existential distress in the last year of life (D03).

Confidence and limits

IMPACT is high-quality RCT evidence but from US primary care; its transferability is evidenced by COINCIDE within the NHS. The Talking Therapies access figures are firm operational standards; the recovery figures are expected outcome standards, not statutes. One honest gap: we did not find a clean primary study isolating referral-to-treatment delay as a predictor of psychology outcomes — so the case for speed rests on the access standards and the stepped-care rationale, not a specific effect size. The thinnest, least-measured part of the system is exactly the part this domain cares about most: psychology embedded in physical-health and older-people’s settings.

What we are watching

Whether NHS Talking Therapies sets explicit standards for older adults and long-term-conditions provision; the acute-hospital psychology workforce (size and funding stability); and whether collaborative care is commissioned at scale into physical-illness pathways rather than piloted and withdrawn.

Sources

  1. Unützer J, Katon W, Callahan CM, et al. Collaborative care management of late-life depression in the primary care setting: a randomized controlled trial (IMPACT). JAMA. 2002;288(22):2836–45. doi:10.1001/jama.288.22.2836 PMID 12472325
  2. van Eck van der Sluijs JF, Castelijns H, Eijsbroek V, et al. Illness burden and physical outcomes associated with collaborative care in patients with comorbid depressive disorder in chronic medical conditions: a systematic review and meta-analysis. General Hospital Psychiatry. 2017;50:1–14. doi:10.1016/j.genhosppsych.2017.08.003 PMID 28957682
  3. Camacho EM, Ntais D, Coventry P, et al. Long-term cost-effectiveness of collaborative care (vs usual care) for depression with comorbid diabetes or cardiovascular disease: a Markov model informed by the COINCIDE RCT. BMJ Open. 2016;6(10):e012514. doi:10.1136/bmjopen-2016-012514 PMID 27855101
  4. National Institute for Health and Care Excellence. Depression in adults with a chronic physical health problem: recognition and management (CG91). NICE. 2009. Source →
  5. National Institute for Health and Care Excellence. Depression in adults: treatment and management (NG222). NICE. 2022. Source →
  6. National Institute for Health and Care Excellence. Dementia: assessment, management and support (NG97). NICE. 2018. Source →
  7. NHS England. NHS Talking Therapies for anxiety and depression: service standards. NHS England. 2025. Source →

Version 1 · assessed 2026-06-18 · next review 2026-09

This is the first assessment — no prior versions yet. Superseded assessments will be preserved here as the evidence moves.