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Clinical trialNCT02035280CompletedObservational

Prospective Evaluation of Elderly Deformity Surgery

SponsorAO Foundation, AO SpineEnrollment233Adult Spinal Deformity
View the registry record on ClinicalTrials.gov

Summary

The registered summary isn't in our current data snapshot. Read it on the ClinicalTrials.gov record ↗. Why? →

Investigators

The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

13 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

Canada
  • Toronto Western Hospital

    Toronto, Ontario, Canada

China
  • Queen Mary Hospital

    Hong Kong, China

  • Nanjing University Medical School

    Nanjing, China

Denmark
  • Rigshospitalet

    Copenhagen, Denmark

Japan
  • Hamamatsu University School of Medicine

    Hamamatsu, Japan

Netherlands
  • St. Maartens Kliniek

    Nijmegen, Netherlands

Spain
  • Hospital Vall D'Hebron

    Barcelona, Spain

Turkey (Türkiye)
  • Aciboden Maser Hospital

    Istanbul, Turkey (Türkiye)

United States
  • Ucsf Medical Center

    San Francisco, California, United States

  • University of Minnesota

    Minneapolis, Minnesota, United States

  • Washington University Orthopedics

    St Louis, Missouri, United States

  • New York Presbyterian - Columbia University Medical Center

    New York, New York, United States

  • University of Virginia

    Charlottesville, Virginia, United States

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

No drug or biological interventions are in our data for this study — it may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start
31 Dec 2013
Primary completion
31 Dec 2021
Completion
31 Dec 2022
Last update posted
28 Jul 2023
Registered enrollment
233
Registry id
NCT02035280

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 12 Jul 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.