Non-Contact Low-Frequency Ultrasound Vs Standard LaLonde Protocol for Fingertip Injury Wound Healing
NCT ID: NCT06813430
Last Updated: 2025-05-15
Study Results
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Basic Information
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RECRUITING
NA
22 participants
INTERVENTIONAL
2025-02-10
2026-02-28
Brief Summary
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• Does non-contact low frequency ultrasound significantly improve patient outcomes in patients sustaining acute fingertip amputations?
Researchers will compare non-contact low frequency ultrasound to a standard Lalonde protocol to answer this questions.
Participants will be randomized one of the two study arms and evaluated by wound care therapy. They will receive cohort appropriate therapy sessions 2-3 times per week with measurement of wound size once per week.
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Detailed Description
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Possible treatment options for fingertip amputations without exposure of the distal phalanx include primary closure, healing by secondary intention, completion/revision amputation, full-thickness skin grafting, and split-thickness skin grafting, or flap coverage. However, when soft tissue allows, primary closure or healing by secondary intention have demonstrate positive and reliable outcomes.
New technologies, such as non-contact low-frequency ultrasound (NCLF-US), continue to be introduced to support healing of acute and chronic injuries to improve patient outcomes. While a moderate amount of research exists demonstrating safety and efficacy of NCLF-US in expediting the healing of chronic wounds, there is limited research on its efficacy in the treatment of acute injuries.
Given the significance of optimizing healing, especially in a population predominantly composed of young men engaged in manual labor, it is reasonable to wonder about the efficacy of NCLF-US in the treatment of fingertip amputations without exposed bone managed through secondary intention. This study aimed to compare the efficacy of NCLF-US in combination with standard treatment for secondary healing versus the standard treatment alone.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
DOUBLE
Study Groups
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Non-Contact Low Frequency Ultrasound
Lalonde therapy and non-contact low-frequency (UltraMIST) therapy - NCLF-US therapy involves delivering low-frequency (40 kHz), low-intensity (0.1-0.8 W/cm2) ultrasound energy via sterile water mist.
Non-contact Low Frequency Ultrasound
NCLF-US therapy involves delivering low-frequency (40 kHz), low-intensity (0.1-0.8 W/cm2) ultrasound energy via sterile water mist.
Lalonde Protocol (standard of care)
Standard of care local wound therapy using the Lalonde protocol - rinsing the site with clean water, applying a grease layer, wrapping with a one-inch gauze wrap, and securing with Coban tape.
Lalonde Protocol
Standard of care local wound therapy using the Lalonde protocol - rinsing the site with clean water, applying a grease layer, wrapping with a one-inch gauze wrap, and securing with Coban tape.
Lalonde Protocol (standard of care)
Standard of care local wound therapy using the Lalonde protocol - rinsing the site with clean water, applying a grease layer, wrapping with a one-inch gauze wrap, and securing with Coban tape.
Interventions
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Non-contact Low Frequency Ultrasound
NCLF-US therapy involves delivering low-frequency (40 kHz), low-intensity (0.1-0.8 W/cm2) ultrasound energy via sterile water mist.
Lalonde Protocol (standard of care)
Standard of care local wound therapy using the Lalonde protocol - rinsing the site with clean water, applying a grease layer, wrapping with a one-inch gauze wrap, and securing with Coban tape.
Eligibility Criteria
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Inclusion Criteria
Exclusion Criteria
* Injuries involving exposed bone
* Those with diagnosis of vascular disease
* Individuals with clinical suspicion or diagnosis of infection
* Unable to comply with prescribed therapy sessions
* Patients undergoing primary closure or surgical intervention
* Patients experiencing subsequent trauma following treatment initiation
18 Years
ALL
No
Sponsors
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St. Luke's Hospital, Pennsylvania
OTHER
Responsible Party
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Locations
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St. Luke's University Health Network
Bethlehem, Pennsylvania, United States
Countries
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Central Contacts
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Facility Contacts
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References
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Yao M, Hasturk H, Kantarci A, Gu G, Garcia-Lavin S, Fabbi M, Park N, Hayashi H, Attala K, French MA, Driver VR. A pilot study evaluating non-contact low-frequency ultrasound and underlying molecular mechanism on diabetic foot ulcers. Int Wound J. 2014 Dec;11(6):586-93. doi: 10.1111/iwj.12005. Epub 2012 Nov 19.
Kavros SJ, Schenck EC. Use of noncontact low-frequency ultrasound in the treatment of chronic foot and leg ulcerations: a 51-patient analysis. J Am Podiatr Med Assoc. 2007 Mar-Apr;97(2):95-101. doi: 10.7547/0970095.
Kavros SJ, Miller JL, Hanna SW. Treatment of ischemic wounds with noncontact, low-frequency ultrasound: the Mayo clinic experience, 2004-2006. Adv Skin Wound Care. 2007 Apr;20(4):221-6. doi: 10.1097/01.ASW.0000266660.88900.38.
Driver VR, Yao M, Miller CJ. Noncontact low-frequency ultrasound therapy in the treatment of chronic wounds: a meta-analysis. Wound Repair Regen. 2011 Jul-Aug;19(4):475-80. doi: 10.1111/j.1524-475X.2011.00701.x. Epub 2011 Jun 7.
Escandon J, Vivas AC, Perez R, Kirsner R, Davis S. A prospective pilot study of ultrasound therapy effectiveness in refractory venous leg ulcers. Int Wound J. 2012 Oct;9(5):570-8. doi: 10.1111/j.1742-481X.2011.00921.x. Epub 2012 Feb 1.
Olyaie M, Rad FS, Elahifar MA, Garkaz A, Mahsa G. High-frequency and noncontact low-frequency ultrasound therapy for venous leg ulcer treatment: a randomized, controlled study. Ostomy Wound Manage. 2013 Aug;59(8):14-20.
Kavros SJ, Liedl DA, Boon AJ, Miller JL, Hobbs JA, Andrews KL. Expedited wound healing with noncontact, low-frequency ultrasound therapy in chronic wounds: a retrospective analysis. Adv Skin Wound Care. 2008 Sep;21(9):416-23. doi: 10.1097/01.ASW.0000323546.04734.31.
Ennis WJ, Valdes W, Gainer M, Meneses P. Evaluation of clinical effectiveness of MIST ultrasound therapy for the healing of chronic wounds. Adv Skin Wound Care. 2006 Oct;19(8):437-46. doi: 10.1097/00129334-200610000-00011.
Ennis WJ, Foremann P, Mozen N, Massey J, Conner-Kerr T, Meneses P. Ultrasound therapy for recalcitrant diabetic foot ulcers: results of a randomized, double-blind, controlled, multicenter study. Ostomy Wound Manage. 2005 Aug;51(8):24-39.
Lee LP, Lau PY, Chan CW. A simple and efficient treatment for fingertip injuries. J Hand Surg Br. 1995 Feb;20(1):63-71. doi: 10.1016/s0266-7681(05)80019-1.
Mennen U, Wiese A. Fingertip injuries management with semi-occlusive dressing. J Hand Surg Br. 1993 Aug;18(4):416-22. doi: 10.1016/0266-7681(93)90139-7.
Lee DH, Mignemi ME, Crosby SN. Fingertip injuries: an update on management. J Am Acad Orthop Surg. 2013 Dec;21(12):756-66. doi: 10.5435/JAAOS-21-12-756.
Peterson SL, Peterson EL, Wheatley MJ. Management of fingertip amputations. J Hand Surg Am. 2014 Oct;39(10):2093-101. doi: 10.1016/j.jhsa.2014.04.025.
Sorock GS, Lombardi DA, Hauser RB, Eisen EA, Herrick RF, Mittleman MA. Acute traumatic occupational hand injuries: type, location, and severity. J Occup Environ Med. 2002 Apr;44(4):345-51. doi: 10.1097/00043764-200204000-00015.
Other Identifiers
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FY2025-115
Identifier Type: -
Identifier Source: org_study_id
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