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Three Year Outcomes After Shoulder Arthroplasty

8. september 2026 oppdatert av: Vani Sabesan

Evaluating Three-Year Outcomes For Total Versus Reverse Shoulder Arthroplasty

The purpose of this multicenter observational cohort study is to evaluate three-year outcomes in adults who underwent anatomic or reverse total shoulder arthroplasty using a contemporary shoulder implant system. The main questions it aims to answer are:

Are three-year patient-reported outcomes after anatomic total shoulder arthroplasty comparable to those after reverse total shoulder arthroplasty? How often do the implants used during surgery differ from the preoperative three-dimensional (3D) surgical plan, and are these differences associated with patient outcomes, complications, or revision surgery?

Researchers will compare patient-reported outcomes, function, complications, and revision rates between patients who underwent anatomic and reverse total shoulder arthroplasty.

Researchers will review participant existing medical records and surgical information. Participants whose two- or three-year outcome measures are not available may be asked to complete a one-time questionnaire by telephone or secure electronic survey. No treatments or additional clinical procedures will be performed as part of this study.

Studieoversikt

Detaljert beskrivelse

Contemporary shoulder arthroplasty systems incorporate modular components, updated implant geometry, three-dimensional (3D)-printed technology, and preoperative 3D surgical planning to support patient-specific implant selection and intraoperative decision-making. Although these features are intended to improve procedural efficiency and flexibility, multicenter evidence regarding their clinical performance and associated patient outcomes remains limited.

This multicenter observational cohort study will evaluate patients who underwent primary anatomic total shoulder arthroplasty (aTSA) or reverse total shoulder arthroplasty (rTSA) using a single contemporary shoulder arthroplasty platform between 2020 and 2024. The study will combine retrospective review of existing clinical data with prospective collection of missing two- or three-year patient-reported outcome measures at a single follow-up time point. No investigational treatment, study-directed procedure, or alteration to routine clinical care will occur.

Existing electronic medical records, operative reports, imaging, preoperative planning files, implant information, and patient-reported outcome databases will be retrospectively reviewed. Data collected will include demographic and clinical characteristics, surgical and implant details, preoperative planning parameters, postoperative function, patient-reported outcomes, complications, readmissions, reoperations, and revisions. When two- or three-year patient-reported outcomes are not available through routine clinical follow-up, participants may be contacted to complete a one-time validated questionnaire by telephone or secure electronic survey.

The primary analysis will evaluate whether three-year outcomes after aTSA are non-inferior to those after rTSA using the American Shoulder and Elbow Surgeons score and a prespecified non-inferiority margin of 9 points. Additional analyses will compare functional outcomes, complications, and revision rates between the two procedure groups.

Among patients with available preoperative 3D planning data, the study will also evaluate agreement between the planned and implanted glenoid and humeral components. Investigators will characterize the frequency and types of intraoperative deviations from the surgical plan and assess whether these deviations are associated with postoperative outcomes, complications, patient satisfaction, or revision surgery. The target sample size is up to 300 participants, with approximately 150 participants in each procedure group.

Studietype

Observasjonsmessig

Registrering (Antatt)

300

Kontakter og plasseringer

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

Studiekontakt

Studiesteder

    • Florida
      • Atlantis, Florida, Forente stater, 33462
    • Iowa
      • North Liberty, Iowa, Forente stater, 52317
    • Kansas
      • Leawood, Kansas, Forente stater, 66224
    • New York
      • Carmel, New York, Forente stater, 10512
        • Somers Orthopaedic Surgery & Sports Medicine Group
        • Ta kontakt med:
    • Tennessee
      • Columbia, Tennessee, Forente stater, 38401

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

Prøvetakingsmetode

Ikke-sannsynlighetsprøve

Studiepopulasjon

Eligible patients will be identified from a cohort of individuals who underwent either a total or reverse shoulder arthroplasty from 2020-2024 using a single innovative implant system, with a target enrollment of 300 patients. The cohort will include patients from participating sites and the data collected will be deidentified.

Beskrivelse

Inclusion Criteria:

  • Primary shoulder arthroplasty
  • Age >18 years at the time of surgery
  • At least 2 years from the date of surgery

Exclusion Criteria:

  • Revision shoulder arthroplasty
  • Acute fracture cases
  • Inability to obtain consent for outcome collection

Studieplan

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

Hvordan er studiet utformet?

Designdetaljer

Kohorter og intervensjoner

Gruppe / Kohort
Anatomic Total Shoulder Arthroplasty
Patients who underwent primary anatomic total shoulder arthroplasty using the study implant platform between 2020 and 2024.
Reverse Total Shoulder Arthroplasty
Patients who underwent primary reverse total shoulder arthroplasty using the study implant platform between 2020 and 2024.

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
American Shoulder and Elbow Surgeons (ASES) Score
Tidsramme: Three Years Postoperatively
The ASES score is a patient-reported measure of shoulder pain and function scored from 0 to 100, with higher scores indicating better outcomes. Three-year ASES scores will be compared between patients who underwent anatomic and reverse total shoulder arthroplasty.
Three Years Postoperatively
ASES Score
Tidsramme: One Year, Two Years Postoperatively
The ASES score is a patient-reported measure of shoulder pain and function scored from 0 to 100, with higher scores indicating better outcomes. Three-year ASES scores will be compared between patients who underwent anatomic and reverse total shoulder arthroplasty.
One Year, Two Years Postoperatively

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Simple Shoulder Test score
Tidsramme: One Year, Two Years, and Three Years Postoperatively
The Simple Shoulder Test is a 12-item patient-reported assessment of shoulder function. Scores range from 0 to 12, with higher scores indicating better shoulder function.
One Year, Two Years, and Three Years Postoperatively
Single Assessment Numeric Evaluation score
Tidsramme: One Year, Two Years, Three Years Postoperatively
Participants rate their shoulder function as a percentage of normal from 0 to 100, with higher scores indicating better perceived shoulder function.
One Year, Two Years, Three Years Postoperatively
Constant-Murley score
Tidsramme: One Year, Two Years, Three Years Postoperatively
The Constant-Murley score evaluates shoulder pain, activities of daily living, range of motion, and strength. Scores range from 0 to 100, with higher scores indicating better shoulder function.
One Year, Two Years, Three Years Postoperatively
PENN Shoulder Score
Tidsramme: One Year, Two Years, Three Years Postoperatively
The Penn Shoulder Score evaluates shoulder pain, satisfaction, and function. Scores range from 0 to 100, with higher scores indicating better outcomes.
One Year, Two Years, Three Years Postoperatively
University of California Los Angeles Shoulder Score
Tidsramme: One Year, Two Years, Three Years Postoperatively
The UCLA Shoulder Score evaluates pain, function, active forward flexion, strength, and patient satisfaction. Scores range from 0 to 35, with higher scores indicating better outcomes.
One Year, Two Years, Three Years Postoperatively
Shoulder Pain and Disability Index
Tidsramme: One Year, Two Years, Three Years Postoperatively
The SPADI evaluates shoulder pain and disability. Scores range from 0 to 100, with higher scores indicating greater pain and disability.
One Year, Two Years, Three Years Postoperatively
Disabilities of the Arm, Shoulder and Hand Score
Tidsramme: One Year, Two Years, Three Years Postoperatively
The DASH evaluates symptoms and difficulty performing upper-extremity activities. Scores range from 0 to 100, with higher scores indicating greater disability.
One Year, Two Years, Three Years Postoperatively
Western Ontario Osteoarthritis of the Shoulder Index
Tidsramme: One Year, Two Years, Three Years Postoperatively
The WOOS evaluates shoulder-related physical symptoms, sports and recreation, work, and emotional function. Scores will be converted to a percentage from 0 to 100, with higher normalized scores indicating better shoulder-related quality of life.
One Year, Two Years, Three Years Postoperatively
Short Form-12 Outcome Score
Tidsramme: One Year, Two Years, Three Years Postoperatively
The SF-12 evaluates general health-related quality of life and produces physical and mental component summary scores. Higher scores indicate better health-related quality of life.
One Year, Two Years, Three Years Postoperatively
Shoulder Range of Motion
Tidsramme: One, Two, Three Years Postoperatively
Shoulder forward flexion, abduction, external rotation, and internal rotation will be obtained from available clinical records. Forward flexion, abduction, and external rotation will be measured in degrees, and each motion will be analyzed separately.
One, Two, Three Years Postoperatively
Postoperative Complications
Tidsramme: From date of surgery to time of data abstraction
The number and percentage of participants experiencing postoperative complications, including infection, dislocation or instability, scapular notching, acromial stress fracture, implant failure, or rotator cuff failure, will be assessed through review of existing clinical records.
From date of surgery to time of data abstraction
Revision Shoulder Surgery
Tidsramme: From date of surgery through time of study completion, an average of three years
The number and percentage of participants undergoing revision shoulder arthroplasty or another reoperation involving the operative shoulder will be assessed through review of existing clinical records.
From date of surgery through time of study completion, an average of three years
Concordance between planned and implanted components
Tidsramme: Date of Index Surgery
Among participants with available preoperative three-dimensional planning data, the proportion of cases in which the planned glenoid and humeral component characteristics match the components implanted during surgery will be determined. The number and percentage of cases with one or more deviations from the preoperative surgical plan will be assessed.
Date of Index Surgery

Samarbeidspartnere og etterforskere

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

Sponsor

Samarbeidspartnere

Publikasjoner og nyttige lenker

Den som er ansvarlig for å legge inn informasjon om studien leverer frivillig disse publikasjonene. Disse kan handle om alt relatert til studiet.

Generelle publikasjoner

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 (Antatt)

1. september 2026

Primær fullføring (Antatt)

1. januar 2028

Studiet fullført (Antatt)

1. august 2028

Datoer for studieregistrering

Først innsendt

31. august 2026

Først innsendt som oppfylte QC-kriteriene

8. september 2026

Først lagt ut (Faktiske)

11. september 2026

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

11. september 2026

Siste oppdatering sendt inn som oppfylte QC-kriteriene

8. september 2026

Sist bekreftet

1. september 2026

Mer informasjon

Begreper knyttet til denne studien

Andre studie-ID-numre

  • SORE3Y001
  • DPS-JMP-CS-2025-015 (Annet stipend/finansieringsnummer: DePuy Synthes)

Plan for individuelle deltakerdata (IPD)

Planlegger du å dele individuelle deltakerdata (IPD)?

NEI

Legemiddel- og utstyrsinformasjon, studiedokumenter

Studerer et amerikansk FDA-regulert medikamentprodukt

Nei

Studerer et amerikansk FDA-regulert enhetsprodukt

Nei

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