Cryoanalgesia to treat phantom limb pain following a trans-femoral (above-knee) amputation: a randomized, sham-controlled pilot study.
Ilfeld BM; Finneran JJ; Abdullah B; Vadakkan S; Alkabalan RA; Gabriel RA · 2026 · Regional anesthesia and pain medicine
WASTE classifies this as Negative / Null Result Report · AI classification, approximate
The study found no significant effect — useful as a negative control or null benchmark for your own design.
Abstract (excerpt)
Background A previous clinical trial applied percutaneous cryoneurolysis to lower limb amputees with phantom pain. The primary outcome measure was negative, but a secondary analysis suggested that patients with a below-knee amputation…
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Metadata source: Europe PMC · DOI 10.1136/rapm-2025-107116