2009 China, US National Library of Medicine. Conclusion: Acupuncture had a better therapeutic effect for premature ejaculation than oral Sailete tablets.
2011 Ankara, Turkey, published in European Urology. Conclusion: Acupuncture had some positive effects although placebo did well, also.
2017 UK, published in the Journal of Sexual Medicine. Conclusion: Combination Therapy works best: Acupuncture and herbal medicines combined with SSRIs or topical creams provide the best results