OnCo
ideasIdea

Structured deprescribing review at cancer diagnosis and again at transition to palliative care

Older cancer patients often take ten or more medicines, some of which no longer help and may interact with cancer treatment. A pharmacist review to stop unnecessary ones, at diagnosis and when goals change, would reduce harm.

Polypharmacy is common in older patients with cancer and is associated with toxicity, falls, and hospitalisation. Preventive medicines with long time-to-benefit (statins in limited prognosis, tight glycaemic control, bisphosphonates for osteoporosis in the last year of life) can be stopped. Evidence-based deprescribing algorithms exist for many drug classes. A protocolised pharmacist-led review at two defined points would apply them systematically.

Hypothesis
Structured deprescribing will reduce the mean number of medicines by at least two per patient and reduce adverse drug events and falls by at least 20%, without increasing symptom burden.
Rationale
Deprescribing trials in geriatrics show safety and modest benefit; oncology adds a clear prognostic frame that makes stopping easier to justify.
What would test it
A randomised trial in 600 patients over 70 with adverse drug events, falls, quality of life, and medicine counts as endpoints.
Maturity
early clinical
Who has to act
clinic
Cost to try
Small (under $1M)
Years to first evidence
2
Bottlenecks it attacks

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