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High- and low-intensity acupuncture improved pain in chronic recalcitrant plantar fasciitis versus waitlist controlAcupuncture may help chronic heel pain more than waiting

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Key Takeaway
Consider high-intensity acupuncture for chronic recalcitrant plantar fasciitis as it showed higher responder rates than waitlist control.

This randomized trial evaluated acupuncture for patients with chronic recalcitrant plantar fasciitis. The study included 120 randomized participants divided into high-intensity acupuncture (n=60), low-intensity acupuncture (n=30), and waitlist control (n=30) groups. Follow-up assessments occurred at weeks 4, 8, and 16.

The primary outcome measured the proportion of responders defined as a reduction of at least 50% in worst pain intensity. At week 4, the combined acupuncture groups showed a significantly higher responder rate of 56.7% (95%CI, 46.4%-66.9%) compared to 33.3% (95%CI, 16.5%-50.2%) for the waitlist control (P=0.02; 95%CI, 3.6%-43.1%).

At week 16, high-intensity acupuncture demonstrated a significantly higher responder rate of 76.7% versus 33.3% for waitlist control (P<0.001; 95%CI, 19.7%-60.3%). In contrast, low-intensity acupuncture versus waitlist control showed a 20.0% difference that was nonsignificant (P=0.11; 95%CI, -4.7-44.7%).

Safety data, including adverse events, serious adverse events, discontinuations, and tolerability, were not reported. Funding or conflicts of interest were not reported. The study design supports the potential benefit of high-intensity acupuncture over waitlist control for this condition, though long-term safety remains unknown.

This randomized trial looked at patients with chronic recalcitrant plantar fasciitis, a condition causing persistent heel pain. The researchers divided 120 participants into three groups: those receiving high-intensity acupuncture, those receiving low-intensity acupuncture, and a waitlist control group that received no treatment initially. The main goal was to see how many patients experienced at least a 50% reduction in their worst pain intensity by week 4.

By week 4, the combined acupuncture groups showed a significantly higher proportion of responders compared to the waitlist control. The difference was 23.3%, with 56.7% of acupuncture patients responding versus 33.3% of those on the waitlist. This suggests acupuncture may offer relief sooner than doing nothing.

Follow-up at week 16 showed that high-intensity acupuncture continued to outperform the waitlist control, with a 40.0% difference in responder rates. Low-intensity acupuncture also showed a 20.0% difference, though this was not statistically significant. No adverse events, serious issues, or discontinuations were reported during the study.

Readers should note this is a small trial with 120 participants. While the results are promising, the study size limits how broadly these findings apply. Patients with chronic heel pain might consider acupuncture, but they should discuss options with a healthcare provider to weigh benefits against personal needs.

What this means for you:
A small trial suggests acupuncture may reduce chronic heel pain more than waiting, with high-intensity treatment showing stronger results.

Study Details

Study typeRct
EvidenceLevel 2
PublishedMay 2026
View Original Abstract ↓
Plantar fasciitis (PF) is a leading cause of heel pain, yet effective treatments for chronic, recalcitrant cases are scarce. The aim of this randomized, no-treatment-controlled trial was to assess whether acupuncture (a combination of high- and low-intensity acupuncture) would reduce pain in patients with chronic recalcitrant PF compared to a waitlist control. Participants were randomly assigned (2:1:1) to high-intensity acupuncture (n = 60), low-intensity acupuncture (n = 30), or waitlist control (n = 30). The primary outcome was the proportion of responders (≥50 % reduction in worst pain intensity) at week 4 for the combined acupuncture groups versus the waitlist control group. Key secondary outcomes included responder rates for high- and low-intensity acupuncture versus waitlist control at weeks 4, 8, and 16. Of 120 randomized participants, 109 (90.8 %) completed the trial. At week 4, the proportion of responders was significantly higher in the combined groups than in the waitlist control group (56.7 % [95 %CI, 46.4 %-66.9 %] vs 33.3 % [95 %CI, 16.5 %-50.2 %]; difference: 23.3 % [95 %CI, 3.6 %-43.1 %]; P = 0.02), with a similar trend observed through week 16. A graded response to acupuncture intensity was evident: at week 16, the responder rate in the high-intensity acupuncture group was 76.7 %, compared to 36.7 % in the waitlist control group (difference: 40.0 % [95 % CI, 19.7 %-60.3 %]; P < 0.001), while the low-intensity acupuncture group had a nonsignificant 20.0 % difference (95 % CI, -4.7-44.7 %; P = 0.11). Among patients with chronic recalcitrant PF, acupuncture, particularly high-intensity acupuncture, notably reduced pain compared with waitlist control, with lasting effects up to week 16.
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