OnCo

Idea rankings

All ideas

Six ways to order the same 1,140 ideas, each built from fields the records already carry: how many people the linked cancers affect each year (GLOBOCAN 2022), how many cancers an idea spans, how much evidence is linked, its cost band, its horizon and its maturity. Every score shows its formula; nothing is estimated.

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Best bang for buck

Score = burden (annual new cases of the linked cancers, GLOBOCAN 2022) divided by the cost band (small 1, medium 2, large 3) and divided again by one plus the horizon in years; ties go to more evidence.

Top 30 of the 328 ideas this view can rank. 812 of 1,140 ideas are not ranked here: no linked cancer with a GLOBOCAN site estimate, or no cost band or horizon recorded.

  1. 1

    For each cancer type, agree the set of stains and tests that are always needed, and have the lab run them automatically on diagnosis rather than waiting for someone to ask.

  2. 2

    Cancer treatment often damages sexual function and intimacy, and almost nobody asks. Make it a routine question with a clinic to refer to.

  3. 3

    A majority of people of West African ancestry carry the Duffy-null variant, which lowers baseline neutrophil counts without raising infection risk. Trials apply a single neutrophil cut-off that wrongly labels them unfit, so protocols should use Duffy-specific thresholds; Duffy status is a cheap blood test.

  4. 4

    Not every survivor needs to see an oncologist every six months for years. Sort people by recurrence risk, send low-risk survivors back to their family doctor with a clear plan, and guarantee rapid return if something changes.

  5. 5

    Up to a fifth of people with advanced solid tumours have cancer in the brain and are usually barred from trials. Letting in those whose brain disease is treated, stable or symptom-free would widen trials and tell us whether drugs work in the brain.

  6. 6

    There are too few genetic counsellors to see every patient who should have an inherited-risk test. Let the cancer team order the test with a short consent script, and use video counsellors for those with results that matter.

  7. 7

    Anyone with ovarian, pancreatic, metastatic prostate or mismatch-repair-deficient colorectal cancer should be tested for inherited mutations, yet testing rates fall well short. Making it an automatic, opt-out laboratory step triggered by pathology, as reflex mismatch-repair testing already is, would close the gap.

  8. 8

    Most people do not know alcohol causes seven cancers. Ireland is putting cancer warnings on bottles; other countries should follow and measure the effect on drinking.

  9. 9

    A low dose of an old, inexpensive tablet improved appetite and weight in a randomised trial of people with advanced cancer. It could be used almost everywhere tomorrow.

  10. 10

    Funders would publish how their spending compares with deaths and years of life lost per cancer, and commit to shift a fixed share of money each year towards the biggest gaps.

  11. 11

    Palliative care given from the start of treatment for advanced cancer improves quality of life and may extend it. Instead of waiting for an oncologist to remember, the system should refer automatically when the diagnosis is recorded.

  12. 12

    Choices like mastectomy versus lumpectomy, or whether to have chemotherapy after surgery, depend on what matters to the patient. Good decision aids exist but are rarely used; building them into the clinic workflow would change that.

  13. 13

    Giving radiotherapy in five larger doses over one week instead of 15 to 25 smaller doses is non-inferior for cancer control and late toxicity in breast and prostate cancer, and triples the number of patients each machine can treat. The barriers are guideline inertia and payment per fraction, not hardware.

  14. 14

    One week of breast radiotherapy in five doses works as well as three weeks in fifteen, but clinics paid per dose lose money by switching; paying one price per course removes the penalty.

  15. 15

    Hospitals are paid for each radiotherapy session, so a proven five-session course earns less than an unproven twenty-five-session one. Paying per course removes the reason to give more treatment than needed.

  16. 16

    Hospitals usually keep one piece of a removed tumour. Keeping three pieces from different parts would show how varied the tumour is, at almost no extra cost.

  17. 17

    Millions of people have had weight-loss surgery or now take weight-loss drugs. Linking those records to cancer registries would show, cancer by cancer, how much reversing obesity prevents, for almost no cost.

  18. 18

    A cheap gene test for DPYD, UGT1A1 and TPMT or NUDT15 before fluoropyrimidines, irinotecan or thiopurines identifies people at risk of severe or fatal toxicity so their dose can be lowered. The EMA has recommended DPD testing since 2020; US uptake remains partial.

  19. 19

    Protons cost more than shaped X-ray beams. They are worth it when the extra punch where the beam stops, and the missing exit dose, widen the gap between killing the tumour and harming late-reacting tissue: an alpha/beta and RBE question, not a machine question.

  20. 20

    A drug that improves appetite and lean weight in cancer wasting is approved in Japan but almost nowhere else. Reviewing the existing evidence could widen access quickly.

  21. 21

    Millions of community health workers already visit homes for vaccines and maternal care. Training them to recognise cancer warning signs, guide patients through the system and support home pain care would reach people no hospital does.

  22. 22

    A few weeks of exercise, nutrition and mental preparation before a big operation helps older patients recover faster and with fewer complications. It costs little and should be routine.

  23. 23

    Fewer than half of patients starting treatment that can damage fertility have a documented fertility discussion or referral, with worse rates for women, minorities and patients outside academic centres. An order-set trigger that refers every patient under 40 to reproductive medicine unless they actively decline would make the conversation routine and timely.

  24. 24

    Hormone-blocking treatments for prostate and breast cancer, taken for years, raise the risk of diabetes, heart disease and bone fractures. Survivors on these drugs should get the same preventive care as diabetics.

  25. 25

    When a scan shows most tumours shrinking but one growing, that odd lesion holds the escape mechanism. Sampling it, and treating it locally, should be routine.

  26. 26

    Resistance mutations often exist in a tiny fraction of cells before treatment starts. Error-corrected sequencing that detects variants below 0.01 percent allele fraction could find them at diagnosis and prompt a mechanism-matched combination from day one.

  27. 27

    Building a genetically engineered mouse for a specific cancer takes years. Editing genes directly in an adult mouse's organ can produce the same tumour in weeks.

  28. 28

    Lung screening is a teachable moment. Giving cessation medicine and support by default at every scan, unless the person opts out, roughly doubles quit rates.

  29. 29

    A large trial showed that palliative care delivered by video works as well as in person for people with advanced lung cancer. Payers should cover it so that distance from a hospital no longer decides who gets it.

  30. 30

    Gut bacteria appear to influence whether immunotherapy works, and diet and antibiotics shape gut bacteria. Yet almost no drug trial records what patients ate or which antibiotics they took. Recording it would cost almost nothing.

(showing the first 30)

Burden figures are world estimates of new cases, both sexes, all ages, fetched 2026-09-08; a subtype with no site of its own uses its parent's site, and each site counts once per idea. Source: GLOBOCAN 2022, International Agency for Research on Cancer (IARC), Global Cancer Observatory. Idea votes has the discussion threads behind Most wanted.