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Collagenase Injection for Contracture Management

2. juli 2026 opdateret af: Sheng Li, The University of Texas Health Science Center, Houston

Collagenase Injection for Contracture and Spasticity Management

The overall goal is to investigate the effectiveness of a novel intervention - Collagenase injection, for contracture management in patients with neurological impairments, such as stroke, brain injury, and spinal cord injury.

Studieoversigt

Status

Ikke rekrutterer endnu

Betingelser

Intervention / Behandling

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

15

Fase

  • Tidlig fase 1

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiekontakt

Undersøgelse Kontakt Backup

Studiesteder

  • Forenede Stater
    • Texas
      • Houston, Texas, Forenede Stater, 77030
        • The University of Texas Health Science Center at Houston

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

  • Voksen
  • Ældre voksen

Tager imod sunde frivillige

Ingen

Beskrivelse

Inclusion Criteria:

  • ≥ 6 months post stroke, brain injury or spinal cord injury, medically stable;
  • clinical diagnosis of tendon contracture

Exclusion Criteria:

  • Is hypersensitive to XIAFLEX or collagenase;
  • Is currently adjusting tone alternating medications (e.g., baclofen), or
  • Received botulinum toxin injection to target areas <4 months, or phenol injections < 9 months;
  • Received surgical release of tendons;
  • Is a pregnant woman;
  • Has coagulation disorders, including those who receive concomitant anticoagulants (except for low-dose aspirin).
  • has heritable connective tissue disorders, including those within the Ehlers-Danlos syndrome (EDS) spectrum.

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: N/A
  • Interventionel model: Enkelt gruppeopgave
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Active XIAFLEX Collagenase injection
Biologisk: Active XIAFLEX Collagenase injection
Collagenase is an enzyme that breaks down collagen, which is a key component of connective tissue, such as fascia. XIAFLEX is an FDA-Approved collagenase for treatment of Dupuytren's contracture with a palpable cord in the fingers, and Peyronie's disease in the penile tissue. In this research project, we plan to use collagenase to treat contracture in patients with neurological impairments, such as stroke, brain injury, and spinal cord injury. FDA guidelines will be followed for dosing and patient selection to minimize or reduce the risks.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Change in spasticity as assessed by the Modified Ashworth Scale (MAS)
Tidsramme: Baseline before the intervention, follow up visits at 2 days (24 to 72 hours), 2 weeks, 1 month and 3 months post-injections
The Modified Ashworth Scale (MAS) evaluates the increase in muscle tone associated with upper motor neuron lesions. MAS scores will be recorded for the target muscle group(s) at each assessment time point.Scores range from 0 to 4, with an additional grade of 1+ between 1 and 2. Scores are defined as: 0 = no increase in muscle tone; 1 = slight increase in muscle tone with a catch and release or minimal resistance at the end of the range of motion; 1+ = slight increase in muscle tone with a catch followed by minimal resistance through less than half of the range of motion; 2 = more marked increase in muscle tone through most of the range of motion, but the affected part is easily moved; 3 = considerable increase in muscle tone, passive movement difficult; 4 = affected part rigid in flexion or extension.Lower MAS scores indicate reduced spasticity and improved muscle tone, whereas higher scores indicate greater spasticity.
Baseline before the intervention, follow up visits at 2 days (24 to 72 hours), 2 weeks, 1 month and 3 months post-injections
Safety as assessed by the number of adverse events
Tidsramme: From baseline to end of study (3 months post-injections)

Adverse events include

  1. Serious complications of XIAFLEX injection include tendon rupture, serious ligament damage, or skin laceration that may result in the inability to fully bend the joint and may require surgery to correct the complication.
  2. XIAFLEX injection is likely to result in swelling, bruising, bleeding, and/or pain of the injected site and surrounding tissue.
From baseline to end of study (3 months post-injections)

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Change in range of motion of target joints as assessed by the Passive Range of Motion (PROM)
Tidsramme: Baseline before the intervention, follow up visits at 2 days (24 to 72 hours), 2 weeks, 1 month and 3 months post-injections
Range of motion (ROM) refers to the degree of movement available at a joint, measured in degrees using a goniometer. For PROM, the examiner will move the joint to its maximal pain-free range. Measurements will be recorded in degrees, and higher values indicate greater joint mobility.
Baseline before the intervention, follow up visits at 2 days (24 to 72 hours), 2 weeks, 1 month and 3 months post-injections
Change in range of motion of target joints as assessed by the Active Range of Motion (AROM)
Tidsramme: Baseline before the intervention, follow up visits at 2 days (24 to 72 hours), 2 weeks, 1 month and 3 months post-injections
Range of motion (ROM) refers to the degree of movement available at a joint, measured in degrees using a goniometer. For AROM, participants will be instructed to move the joint as far as possible without assistance. Measurements will be recorded in degrees, and higher values indicate greater joint mobility.
Baseline before the intervention, follow up visits at 2 days (24 to 72 hours), 2 weeks, 1 month and 3 months post-injections

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

The University of Texas Health Science Center, Houston

Efterforskere

  • Ledende efterforsker: Sheng Li, MD, PhD, The University of Texas Health Science Center, Houston

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Anslået)

1. september 2026

Primær færdiggørelse (Anslået)

31. maj 2031

Studieafslutning (Anslået)

30. september 2031

Datoer for studieregistrering

Først indsendt

2. juli 2026

Først indsendt, der opfyldte QC-kriterier

2. juli 2026

Først opslået (Faktiske)

9. juli 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

9. juli 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

2. juli 2026

Sidst verificeret

1. juli 2026

Mere information

Begreber relateret til denne undersøgelse

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • HSC-MS-25-0499 (Experiment 2)

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

INGEN

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

Studerer et amerikansk FDA-reguleret lægemiddelprodukt

Ja

Studerer et amerikansk FDA-reguleret enhedsprodukt

Ingen

Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .

Kliniske forsøg med Active XIAFLEX Collagenase injection

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Placeringer

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