Clinical trial Recruiting at 16 sites Phase 3 Interventional Ages 2 to 21

Comparing treatments for simple bone cysts in children

Official title: Simple Bone Cysts in Kids (SBoCK)

Run by The Hospital for Sick Children · NCT02193841 · Data updated 2026-11-12

This study is testing which treatment works better for simple bone cysts in children: one that uses a curettage and puncture alone or one that adds an injection of Vitoss morsels.

Quick facts

PhasePhase 3
Study typeInterventional
Ages2 Years to 21 Years
SexAll
Enrollment160 (estimated)
SponsorThe Hospital for Sick Children
Academic / other
Locations25 sites (Birmingham, Alabama and 24 other locations)
StatusRecruiting
StartedMarch 2015
Main results expectedMarch 2027
Study endsMarch 2027
Registry record updatedJuly 12, 2023
Trial IDNCT02193841 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are children with a confirmed simple bone cyst in a long bone who have not received treatment in the last three months.

Probably not a fit

Patients with underlying bone diseases or those with cysts crossing the growth plate may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This clinical trial aims to compare the effectiveness of two common treatments for simple bone cysts (SBCs) in children, specifically curettage with puncture alone versus curettage with puncture followed by injection with Vitoss morsels. SBCs are fluid-filled cysts that commonly occur in the long bones of children and can cause pain and functional limitations. The study will assess the rate of radiographic healing, identify prognostic factors associated with healing and fractures, and evaluate the impact of SBCs on children and their families. By utilizing a network of surgeons and researchers, the trial seeks to provide evidence-based insights into the best treatment options for SBCs.

Why it matters

Potential benefit: If successful, this study could lead to more effective treatment options for children suffering from simple bone cysts, improving their quality of life.

How similar studies have gone: While few randomized clinical trials have focused on simple bone cysts, this study aims to fill a gap in the existing literature and provide valuable comparative data.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Patients with a confirmed simple bone cyst in a long bone (ie. arm or leg) within last 3 months
* At least 3 weeks must have elapsed since last fracture
* At least 3 months must have elapsed since last cyst treatment
* Patients and/or their legal representatives willing to provide written informed consent (and assent, when appropriate)
* Patients with stabilizing implants in the bone where the cyst is located

Exclusion Criteria:

* Patients with bone disease (ie. osteogenesis imperfecta, cancer, osteoporosis, Paget's disease)
* Pregnant or breastfeeding female
* Patients with cysts crossing the growth plate (area where bone grows)

Where it's running

  • Loma Linda University
    Loma Linda, California, United States
    Recruiting
  • Ann & Robert H. Lurie Children's Hospital of Chicago
    Chicago, Illinois, United States
    Recruiting
  • University of North Carolina - Chapel Hill
    Chapel Hill, North Carolina, United States
    Recruiting
  • Texas Children's Hospital
    Houston, Texas, United States
    Recruiting
  • The Royal Children's Hospital
    Melbourne, Australia
    Recruiting
  • Alberta Children's Hospital
    Calgary, Alberta, Canada
    Recruiting
Show 19 more locations
  • BC Children's Hospital
    Vancouver, British Columbia, Canada
    Recruiting
  • IWK Health Centre
    Halifax, Nova Scotia, Canada
    Recruiting
  • Children's Hospital at London Health Sciences Centre
    London, Ontario, Canada
    Recruiting
  • Children's Hospital of Eastern Ontario
    Ottawa, Ontario, Canada
    Recruiting
  • The Hospital for Sick Children
    Toronto, Ontario, Canada
    Recruiting
  • Alder Hey Children's Hospital
    Liverpool, United Kingdom
    Recruiting
  • Great Ormond Street Hospital for Children
    London, United Kingdom
    Recruiting
  • Royal Manchester Children's Hospital
    Manchester, United Kingdom
    Recruiting
  • Nuffield Orthopaedic Centre
    Oxford, United Kingdom
    Recruiting
  • Sheffield Children's Hospital
    Sheffield, United Kingdom
    Recruiting
  • Children's Hospital of Alabama
    Birmingham, Alabama, United States
    Withdrawn
  • Nemours/Alfred I. duPont Hospital for Children
    Wilmington, Delaware, United States
    Completed
  • The John Hopkins Hospital
    Baltimore, Maryland, United States
    Withdrawn
  • Hospital for Joint Diseases
    New York, New York, United States
    Withdrawn
  • Hospital for Special Surgery
    New York, New York, United States
    Withdrawn
  • The Children's Hospital at Montefiore
    The Bronx, New York, United States
    Completed
  • Cincinnati Children's Hospital Medical Center
    Cincinnati, Ohio, United States
    Completed
  • Winnipeg Health Sciences Centre
    Winnipeg, Manitoba, Canada
    Withdrawn
  • Shriners Hospital for Children - Canadian Unit
    Montreal, Quebec, Canada
    Completed

Study contacts

  • Principal investigator: James G. Wright — The Hospital for Sick Children
  • Study coordinator: Project Manager
  • Email: sbock.study@sickkids.ca

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.