The 36-patient acne laser pilot published in 2026 compared three light treatments for moderate-to-severe inflammatory acne. The options were PDL, IPL, and Q-switched Nd:YAG 1064-nm laser, and none beat the others for lesion clearing.
Inflammatory acne means red, tender pimples and bumps. The pilot split 36 patients at random into PDL, IPL, and Nd:YAG groups for three sessions. Lesions and daily burden fell in all three groups during the short study window.
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Table of Contents
- How the three groups were treated
- Did one device clear more lesions?
- Pain, redness and daily life
- What to ask before you book
How the three groups were treated
The pilot enrolled 36 patients with moderate-to-severe inflammatory acne. Staff assigned them at random to PDL, IPL, or Q-switched Nd:YAG 1064-nm care. The U.S. National Library of Medicine abstract record describes this three-arm randomized design U.S.
National Library of Medicine abstract record. Each group received three sessions spaced two weeks apart. Staff tracked lesions and severity through treatment. Final quality-of-life checks occurred two weeks after the third session.
Did one device clear more lesions?
The U.S. National Library of Medicine abstract record reports no significant between-group differences in lesion counts or severity at any session. P-values ranged from 0.06 to 0.92.
In plain terms, the devices looked similar for clearing during treatment. Lesion counts and severity fell significantly inside each group over time. Small pilots often show this pattern when all arms receive active care. The result favors short-term benefit from each option, not superiority of one.
Pain, redness and daily life
Cardiff Acne Disability Index scores measure how acne affects daily life. Scores fell significantly from baseline to two weeks after the third session in all groups. The NIH PubMed Central full-text archive reports this quality-of-life gain alongside the lesion improvement NIH PubMed Central full-text archive.
Safety looked favorable across groups. Only one PDL participant developed mild redness. The same NIH archive notes less procedural pain in the Nd:YAG group than in the other two groups.
What to ask before you book
Follow-up lasted only two weeks after the third session in 36 patients. Springer Nature Link lists the paper as open access and notes authors view all three tools as promising short-term options without proven long-term superiority Springer Nature listing. Choice may therefore rest on pain tolerance and availability.
Use the pilot as a question list, not a prescription. These prompts fit a short visit and reflect the pilot limits. Track redness and pain after each session in your phone notes. Bring that log plus your pain history so the clinician can match device availability to your needs.
- Say how much procedural pain worries you, since Nd:YAG caused less pain in the pilot.
- Ask which of PDL, IPL, or Nd:YAG 1064-nm the clinic offers and how many sessions it plans.
- Ask how redness will be tracked and when you should report it.