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Extension Block Pinning vs Conservative Treatment for Mallet Finger Fractures (PO-EBPT)

23. april 2026 oppdatert av: Kemal Arda Çöl, Haseki Training and Research Hospital

Pin Orthosis Extension Block Pinning Versus Conservative Treatment for Doyle Type 4B Mallet Fractures

Mallet finger fractures are injuries affecting the tip of the finger and can be treated either with splinting or surgery. However, there is no clear agreement on which treatment provides better outcomes for certain types of these fractures.

In this study, patients with mallet finger fractures were randomly assigned to receive either surgical treatment using a pin-orthosis extension-block pinning technique or conservative treatment with splint immobilization. Patients were followed at regular intervals, and outcomes such as finger movement, function, bone healing, and complications were evaluated over time.

The purpose of this study is to compare these two treatment approaches and determine which one leads to better clinical and functional outcomes.

Studieoversikt

Detaljert beskrivelse

Mallet finger fractures, particularly those involving a significant portion of the distal interphalangeal joint articular surface, present a therapeutic challenge, and there is no consensus regarding the optimal treatment strategy. Both conservative management with splinting and various surgical techniques have been described in the literature.

This randomized controlled trial was designed to compare the clinical and radiographic outcomes of the pin-orthosis extension-block pinning technique and conventional conservative treatment in patients with mallet finger fractures. Patients were randomly assigned to either surgical or conservative treatment groups and followed at regular intervals.

Clinical and functional outcomes were assessed throughout the follow-up period to evaluate the effectiveness and safety of both treatment approaches."

Studietype

Intervensjonell

Registrering (Faktiske)

62

Fase

  • Ikke aktuelt

Kontakter og plasseringer

Denne delen inneholder kontaktinformasjon for de som utfører studien, og informasjon om hvor denne studien blir utført.

Studiesteder

    • Sultangazi
      • Istanbul, Sultangazi, Tyrkia (Türkiye), 34265
        • Haseki Training and Research Hospital

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

  • Voksen
  • Eldre voksen

Tar imot friske frivillige

Nei

Beskrivelse

Inclusion Criteria:

  • Age between 18 and 65 years
  • Acute mallet fracture (≤ 3 weeks from injury)
  • Fracture fragment involving 20-50% of the distal interphalangeal (DIP) joint articular surface

Exclusion Criteria:

  • Open fractures
  • Chronic mallet fractures (> 3 weeks from injury)
  • Fracture fragment involving more than 50% of the DIP joint articular surface
  • Open physes
  • Inability to complete 12-month follow-up

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Behandling
  • Tildeling: Randomisert
  • Intervensjonsmodell: Parallell tildeling
  • Masking: Ingen (Open Label)

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Eksperimentell: Surgical Treatment (PO-EBPT)
Participants in this group underwent surgical treatment using the pin-orthosis extension-block pinning technique.
The pin-orthosis extension-block pinning technique was performed under appropriate anesthesia. A Kirschner wire was used to block extension at the distal interphalangeal joint and stabilize the fracture fragment, followed by immobilization with an orthosis. The fixation was maintained for a defined period, and patients were followed according to the study protocol.
Aktiv komparator: Conservative Treatment (Splinting)
Participants in this group received conservative treatment with splint immobilization of the distal interphalangeal joint.
Conservative treatment consisted of continuous splint immobilization of the distal interphalangeal joint in extension. Patients were instructed to maintain uninterrupted splint use for the recommended duration with regular follow-up visits to monitor compliance and clinical progress.

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Distal Interphalangeal Joint Extension Lag
Tidsramme: 12 months
Degree of extension lag at the distal interphalangeal joint measured using a goniometer.
12 months

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Distal Interphalangeal Joint Range of Motion
Tidsramme: Up to 12 months (assessed at 2 weeks, 4 weeks, 6 weeks, 3 months, 6 months, and 12 months)
Range of motion of the distal interphalangeal joint measured in degrees.
Up to 12 months (assessed at 2 weeks, 4 weeks, 6 weeks, 3 months, 6 months, and 12 months)
Functional Outcome According to Crawford Criteria
Tidsramme: 12 months
Functional outcome assessed using the Crawford classification system.
12 months
Fracture Union
Tidsramme: Up to 12 months (assessed at 6 weeks, 3 months, 6 months, and 12 months)
Radiographic evidence of fracture healing assessed during follow-up.
Up to 12 months (assessed at 6 weeks, 3 months, 6 months, and 12 months)
Complication Rate
Tidsramme: Up to 12 months
Incidence of treatment-related complications observed during the study period.
Up to 12 months

Samarbeidspartnere og etterforskere

Det er her du vil finne personer og organisasjoner som er involvert i denne studien.

Etterforskere

  • Hovedetterforsker: Kemal A Col, Doctor, Haseki Training and Research Hospital

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart (Faktiske)

13. januar 2022

Primær fullføring (Faktiske)

15. oktober 2024

Studiet fullført (Faktiske)

15. oktober 2024

Datoer for studieregistrering

Først innsendt

23. april 2026

Først innsendt som oppfylte QC-kriteriene

23. april 2026

Først lagt ut (Faktiske)

30. april 2026

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

30. april 2026

Siste oppdatering sendt inn som oppfylte QC-kriteriene

23. april 2026

Sist bekreftet

1. april 2026

Mer informasjon

Begreper knyttet til denne studien

Plan for individuelle deltakerdata (IPD)

Planlegger du å dele individuelle deltakerdata (IPD)?

NEI

IPD-planbeskrivelse

Individual participant data will not be shared due to privacy and institutional data protection policies.

Legemiddel- og utstyrsinformasjon, studiedokumenter

Studerer et amerikansk FDA-regulert medikamentprodukt

Nei

Studerer et amerikansk FDA-regulert enhetsprodukt

Nei

Denne informasjonen ble hentet direkte fra nettstedet clinicaltrials.gov uten noen endringer. Hvis du har noen forespørsler om å endre, fjerne eller oppdatere studiedetaljene dine, vennligst kontakt register@clinicaltrials.gov. Så snart en endring er implementert på clinicaltrials.gov, vil denne også bli oppdatert automatisk på nettstedet vårt. .

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