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MS-N123 · Supportive care · Human evidence · Appraised 24 October 2026

Does needle acupuncture add benefit to guideline-based antiemetics for chemotherapy-induced nausea and vomiting (CINV)?

Evidence at a glance

  • Evidence label: Uncertain adjunctive benefit; not a replacement for antiemetics
  • Benefit: Pooled studies suggest possible improvement in some vomiting-control outcomes, mainly when acupuncture is added to usual care.
  • Certainty: Low or very low certainty; sham-controlled comparisons are less convincing and trials vary in chemotherapy and antiemetic use.
  • Risk: Usually minor needling effects, but infection and bleeding precautions are important during chemotherapy.

What was studied

Population and design: A 2023 review included 38 randomized trials with 2,503 participants across cancer types and chemotherapy regimens.

Studied regimen: Needle or electroacupuncture protocols varied widely in points, frequency, timing and control group. These research regimens should not be generalized as a single dose.

What the evidence found

Against usual care, complete control of acute vomiting had a pooled risk ratio of 1.13 (95% CI 1.02–1.25) and delayed vomiting 1.47 (1.07–2.00). Other outcomes did not consistently improve. Importantly, comparisons with sham acupuncture did not show clear benefit. A 2026 overview reached a similar conclusion: delayed symptoms may improve, but certainty remained low or very low.

How to interpret it

Heterogeneity, small trials, imperfect blinding and older antiemetic regimens make the pooled effect difficult to apply today. Reviews can include overlapping trials; they are not counted here as new independent experiments. Evidence concerns symptom control only.

Practical safety context

Do not replace dexamethasone, serotonin antagonists, NK1 antagonists or other prescribed antiemetics. Coordinate acupuncture with the chemotherapy team for neutropenia, low platelets, anticoagulation, skin infection, central lines or severe vomiting that may require fluids and medication adjustment.

Questions for the care team

  • Is the symptom or complication being caused by something that needs conventional treatment first?
  • Would blood counts, anticoagulants, infection risk, surgery, radiation effects or implanted devices change whether this is safe?
  • What outcome will we track, and when should we stop if it is not helping?

Funding and conflicts

Funding and conflicts varied across trials and were incompletely reported in the review.

Sources

Last literature search: 24 October 2026. Record appraisal: 24 October 2026. This page is educational and does not replace individualized medical advice. Symptom improvement must not be interpreted as evidence of tumor response, delayed recurrence or longer survival.