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Evaluating Avive+ Soft Tissue Matrix for Prevention of Superficial Radial Nerve Morbidity Following Radial Forearm Free Flap Harvest
A Randomized Controlled Pilot Study Evaluating Avive+ Soft Tissue Matrix for Prevention of Superficial Radial Nerve Morbidity Following Radial Forearm Free Flap Harvest
Studie Overzicht
Toestand
Conditie
Interventie / Behandeling
Gedetailleerde beschrijving
Radial forearm free flap (RFFF) harvest is associated with significant donor-site morbidity, including neuropathic pain, hypoesthesia, and functional impairment related to superficial radial nerve irritation and postoperative scar formation. Current donor-site management focuses on wound closure and healing but does not directly address nerve protection.
Avive+ Soft Tissue Matrix is a human-derived biologic material designed for soft tissue reinforcement and protection. Its use as a barrier over surgically manipulated nerves is biologically plausible but has not been studied in this clinical context.
This study is a prospective, randomized controlled pilot trial designed to evaluate the feasibility, safety, and preliminary efficacy of Avive+ placement over the superficial radial nerve during RFFF harvest. Subjects will be randomized to standard closure versus Avive+ placement plus standard closure. Outcomes will focus on neuropathic pain, sensory function, and wound complications.
Studietype
Inschrijving (Geschat)
Fase
- Niet toepasbaar
Contacten en locaties
Studiecontact
- Naam: John M Le, MD, DDS
- Telefoonnummer: 205-975-6356
- E-mail: jle@uabmc.edu
Studie Locaties
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Alabama
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Birmingham, Alabama, Verenigde Staten, 35294
- University of Alabama at Birmingham
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Contact:
- John M Le, MD, DDS
- Telefoonnummer: 205-975-6356
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Deelname Criteria
Geschiktheidscriteria
Leeftijden die in aanmerking komen voor studie
- Volwassen
- Oudere volwassene
Accepteert gezonde vrijwilligers
Beschrijving
Inclusion Criteria:
- Age ≥ 18 years
- Undergoing RFFF for head and neck reconstruction
- Treated at University of Alabama at Birmingham
- Able to provide informed consent
- Willing to comply with follow-up
Exclusion Criteria:
- Reconstruction using a non-RFFF free flap
- Pre-existing ipsilateral radial nerve neuropathy
- Prior ipsilateral forearm surgery affecting nerve anatomy
- Active donor-site infection
- Severe peripheral vascular disease
- Inability to complete follow-up
Studie plan
Hoe is de studie opgezet?
Ontwerpdetails
- Primair doel: Preventie
- Toewijzing: Gerandomiseerd
- Interventioneel model: Parallelle opdracht
- Masker: Enkel
Wapens en interventies
Deelnemersgroep / Arm |
Interventie / Behandeling |
|---|---|
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Actieve vergelijker: Standard Closure (Control)
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Experimenteel: Avive+ Intervention
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Wat meet het onderzoek?
Primaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
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Clinically Significant Neuropathic Pain at 6 Months - DN4 score
Tijdsspanne: 6 months
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A DN4 questionnaire score of 4 or higher out of 10 indicates a high probability of neuropathic pain.
This validated tool, which can be viewed in this DN4 Questionnaire consists of seven patient-interview questions and three clinician-examination items, with a total score distinguishing neuropathic from non-neuropathic pain.
A score greater than or equal to 4 is considered positive for neuropathic pain
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6 months
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Clinically Significant Neuropathic Pain at 6 Months - Numeric Rating Scale
Tijdsspanne: 6 months
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Numeric Rating Scale (NRS) is used to measure pain, where 0 is "no pain" and 10 is "worst pain imaginable"
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6 months
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Secundaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
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Average Pain Severity
Tijdsspanne: 1, 3, 6, and 12 months
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Numeric Rating Scale (NRS): Commonly used in healthcare to measure pain, where 0 is "no pain" and 10 is "worst pain imaginable"
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1, 3, 6, and 12 months
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Average Sensory Function with Semmes-Weinstein monofilament testing
Tijdsspanne: 1, 3, 6, and 12 months
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The Semmes-Weinstein monofilament test is a quick, non-invasive, and objective clinical exam used to evaluate nerve function by measuring skin sensitivity to light touch and pressure.
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1, 3, 6, and 12 months
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Average Sensory Function with Static 2-point discrimination
Tijdsspanne: 1, 3, 6, and 12 months
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Static 2-point discrimination (2PD) is a clinical test measuring the minimum distance at which a patient can perceive two simultaneous touch stimuli as distinct, rather than one, using a device like an aesthesiometer or disk-criminator.
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1, 3, 6, and 12 months
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Percentage of Skin Graft Loss
Tijdsspanne: up to 3 months
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Measured by percentage of 0-100% total graft loss.
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up to 3 months
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Number of Participants that develop Infection
Tijdsspanne: Up to 3 months
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Measured by presence of cellulitis/purulence requiring antibiotics and/or surgical debridement with antibiotics.
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Up to 3 months
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Number of participants with Tendon Exposure
Tijdsspanne: up to 3 months
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Measured by number of participants with visual appearance of tendon exposure.
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up to 3 months
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Change in QuickDASH score
Tijdsspanne: 3, 6, and 12 months
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The QuickDASH is an 11-item questionnaire assessing upper limb musculoskeletal disability, scoring from 0 (no disability) to 100 (most severe).
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3, 6, and 12 months
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Medewerkers en onderzoekers
Onderzoekers
- Hoofdonderzoeker: John M Le, MD, DDS, University of Alabama at Birmingham
Studie record data
Bestudeer belangrijke data
Studie start (Geschat)
Primaire voltooiing (Geschat)
Studie voltooiing (Geschat)
Studieregistratiedata
Eerst ingediend
Eerst ingediend dat voldeed aan de QC-criteria
Eerst geplaatst (Werkelijk)
Updates van studierecords
Laatste update geplaatst (Werkelijk)
Laatste update ingediend die voldeed aan QC-criteria
Laatst geverifieerd
Meer informatie
Termen gerelateerd aan deze studie
Trefwoorden
Aanvullende relevante MeSH-voorwaarden
Andere studie-ID-nummers
- IRB-300016607
- UAB (Andere identificatie: UAB)
Plan Individuele Deelnemersgegevens (IPD)
Bent u van plan om gegevens van individuele deelnemers (IPD) te delen?
Informatie over medicijnen en apparaten, studiedocumenten
Bestudeert een door de Amerikaanse FDA gereguleerd geneesmiddel
Bestudeert een door de Amerikaanse FDA gereguleerd apparaatproduct
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