Inside NICE's 2021 decision to recommend acupuncture for chronic pain.
For years, acupuncture's evidence for chronic pain was judged one trial at a time, one guideline at a time — a fragmented picture, with no single verdict.
STAGE 01 — A FRAGMENTED PICTURE
The strongest single body of evidence is the Acupuncture Trialists' Collaboration's individual patient data meta-analysis — real, patient-level records pooled from dozens of trials, updated in 2018 to just under 18,000 patients.
STAGE 02 — THE EVIDENCE BASE
NICE guideline committees use a pre-set bar to decide whether an effect counts as meaningful, not just statistically real: a standardised mean difference of 0.5 or greater — the minimal clinically important difference.
STAGE 03 — THE BAR FOR "MEANINGFUL"
In April 2021, the committee assessing chronic primary pain — pain such as fibromyalgia, myofascial pain, chronic pelvic pain and neck pain, without a separate condition fully explaining it — found acupuncture's effect size cleared that bar.
STAGE 04 — CLEARING THE THRESHOLD
The result was NICE guideline NG193: a recommendation to consider a single course of acupuncture for chronic primary pain — the first time acupuncture had passed this specific, pre-defined evidentiary test in NICE guidance.
STAGE 05 — THE RECOMMENDATION
The same guideline also recommended against several medicines still widely used for chronic pain — including opioids, NSAIDs and paracetamol — for this type of pain specifically. That part of the story is told far less often.
STAGE 06 — THE FULL PICTURE
NICE's guidance on chronic primary pain sits behind a specific, pre-defined evidentiary threshold — not a general endorsement, and not for every type of pain. Within that guidance, a single course of acupuncture is a genuine, evidence-backed option.
Sources: Cummings M. "Integration of Acupuncture into UK Healthcare — A NICE Perspective." Perspectives on Integrative Medicine, 2023;2(1):3–7 (the author is affiliated with the British Medical Acupuncture Society, an acupuncture advocacy body — this piece presents his account of the guideline history, not an independent audit). NICE guideline NG193, "Chronic pain (primary and secondary) in over 16s," published April 2021. Vickers AJ, Vertosick EA, et al. "Acupuncture for Chronic Pain: Update of an Individual Patient Data Meta-Analysis." J Pain, 2018;19(5):455–474. This piece deliberately covers NG193 (chronic primary pain) only — NICE's separate guidance on back pain and osteoarthritis follows a different evidence path and is not addressed here. Provided for context, not as a clinical guarantee; acupuncture at Zen by Omnia is offered as a complementary therapy alongside, not in place of, medical care.