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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT02561182
Other study ID # 15-002284
Secondary ID
Status Completed
Phase
First received
Last updated
Start date September 2015
Est. completion date May 23, 2019

Study information

Verified date January 2022
Source Mayo Clinic
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

The goal of this study is to determine whether or not patients with overgrowth syndromes have decreased bone density.


Description:

It is known that patients with complex vascular malformation are at risk of decreased bone density and even vanishing bone disease. However, what is not known is if patients with OGS are at decreased bone density at locations that are distant from the vascular malformation. This study will look at bone health in patient's with OGS in a cross sectional fashion. If they are found to be at a particular risk for decreased bone density then this can be addressed in early childhood, through nutrition and activity recommendations. The study will consist of 15 participants, all who have a known clinical diagnosis of an overgrowth syndrome, and will be >5 years old so that they can co operate with a DEXA or Xtreme CT scan. Study specifics: - They will be asked specific questions regarding medical and family history and an intake form will be filled out. - The height, weight, body mass index and Tanner stage measurements will be recorded during this visit. - Photos of the affected area(s) will be taken, however, this is optional. - A urine pregnancy test will be done in all females of childbearing potential . - Laboratory studies will be performed in all patients. - A 24-hour urine sample will be collected from adults who are able and willing; in children and in those not able or unwilling to provide a 24-hour urine, a spot urine will be collected. - Bone age will be assessed via plain film of the wrist - Bone density will be assessed for each patient via DEXA scan - Cortical and trabecular parameters and bone strength will be assessed by HRpQCT


Recruitment information / eligibility

Status Completed
Enrollment 30
Est. completion date May 23, 2019
Est. primary completion date May 23, 2019
Accepts healthy volunteers No
Gender All
Age group 5 Years and older
Eligibility Inclusion Criteria: - Age > 5 years such that the patient is able to cooperate with the DXA scan or Xtreme CT - Known clinical diagnosis of an overgrowth syndrome such as Klippel-Trenaunay Syndrome, CLOVE syndrome, Proteus syndrome, diffuse capillary malformation with overgrowth, or other unspecified OGS. Exclusion Criteria: - Age < 5 years - Inability to comply with the scan - No or uncertain diagnosis of an OGS. - Prior bisphosphonate use - Systemic steroids in the past 6 months - Pregnant women

Study Design


Related Conditions & MeSH terms


Locations

Country Name City State
United States Mayo Clinic Rochester Minnesota

Sponsors (1)

Lead Sponsor Collaborator
Mayo Clinic

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Evidence of decreased bone density in patients with vascular malformations, confirmed by DEXA scans One year
Primary Evidence of decreased bone density in patients with vascular malformations, confirmed by serum specific bone markers Bone markers : Alkaline phosphatase; albumin; PTH; 1-25 dihydroxyvitamin D, 25- hydroxyvitamin D One year
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