References and sources for evidentiary claims 1 UK–US Pharmaceutical Pricing Arrangement — HM Government / DHSC announcement, October 2025; UK commitment to increase medicines spend as a share of GDP. 2 National Audit Office (2017), Investigation into the Cancer Drugs Fund, HC 442. 3 OECD Health Statistics 2024; ABPI per-capita medicines expenditure analysis 2024. Comparative figures illustrative. 4 ABPI / NICE technology appraisal optimisation analysis — 47% optimised (Jan 2023–Dec 2024); mean access score 31% (down from 45% in 2020–22). 5 Office for Life Sciences (2024), Life Sciences Competitiveness Indicators — UK uptake of new medicines, 2018–2022 cohort; comparator average across 15 high-income countries. 6 Hofmarcher et al., IHE Comparator Report on Cancer in Europe (uptake / premature-mortality association); EFPIA W.A.I.T. Indicator 2024. 7 VPAS 2023 rebate-rate calculation; DHSC and ABPI scheme correspondence; coverage of company withdrawals from the voluntary scheme. 8 Office for Life Sciences / DHSC / Department for Business and Trade, inward life-sciences FDI data 2023–2025. 9 Industry R&D by country: EFPIA, The Pharmaceutical Industry in Figures (Key Data 2025), 2023 figures — UK the largest national R&D figure in Europe; medicines spend per capita from EFPIA market value ÷ population. 10 ABPI, Medicines Impacts and Investment Survey, January 2026. 11 Cencora HTAQ 2024; IGES AMNOG benefit-assessment review — German immediate-reimbursement / parallel- assessment model. 12 Haute Autorité de Santé, Accès Précoce annual reports 2022–2024; Remap Consulting analysis of the 2021 reform. 13 NICE Annual Report 2023–24 — published recommendation rate for technology appraisals. 57 14 Claxton K, Martin S, Soares M et al. (2015), ‘Methods for the estimation of the NICE cost-effectiveness threshold’, Health Technology Assessment 19(14). Source dataset: 2008 NHS programme-budgeting data. 15 Health-displacement modelling of NICE-recommended drugs 2000–2020, The Lancet, 2024. 16 Oxygen Strategy (May 2026), indicative QALY-burden scoping analysis, 2017–2022 window. Structured sample of 30 medicines extrapolated to ~255 positive NICE TAs. Indicative, not peer-reviewed. 17 Claxton K, Martin S, Soares M et al. (2015), Health Technology Assessment 19(14), Table 30 — structural sensitivity range for the threshold (£2,018–£29,314; best estimate £12,936). 18 Woods B, Lomas J, Sculpher M, Claxton K (2024), discussion of dynamic efficiency and cost-effectiveness analysis, Health Economics. 19 York Health Economics Consortium (YHEC), “The NICE Threshold Debate: More Than a Number”, blog roundtable, October 2025. 20 Brazier J et al. on response-shift and adaptation in valuation; Ubel, Loewenstein & Jepson (2003), ‘Whose quality of life? A commentary’, Quality of Life Research. 21 Oxygen Strategy synthesis (argued position): no published open-ended deliberative study has elicited current English societal preferences over the QALY as the unit of a ‘good year of healthy life’. 22 NICE, severity-modifier explanatory notes and methods update (2022); ABPI (2024), commentary on opportunity-cost neutrality of the severity modifier. 23 NICE Listens public dialogue report (2024–2025), Workshop 1 — budget-constraint and opportunity-cost-neutrality framing. 24 Powell PA, Carlton J, Rowen D, Brazier J (2026), paediatric utility-value research, ISPOR Europe 2026. 25 Department of Health and Social Care, Changes to NICE regulations: cost-effectiveness threshold: government response, 3 March 2026. 76% of respondents disagreed with removing NICE’s duty to consult on procedural changes resulting from a ministerial direction.