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| Name | Class |
|---|---|
| Shriners Hospitals for Children | OTHER |
| BioMarin Pharmaceutical | INDUSTRY |
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The purpose of this study is to identify patients with Morquio syndrome type A (MPS IVA) and Maroteaux-Lamy syndrome (MPS VI) who may have been missed or misdiagnosed due to atypical clinical features, a milder course, and/or negative urine screening. We will recruit participants who have certain hip and/or joint problems that could potentially be caused by one of these two genetic conditions through a chart review process conducted at Shriners Hospital for Children in Greenville, SC. Diagnostic testing will be performed for each participant to determine if he or she is affected by one of these two conditions. Results will be disclosed to all participants and their legal guardians, and appropriate follow up will be recommended for those who are found to have abnormal results.
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| Measure | Description | Time Frame |
|---|---|---|
| Prevalence of MPS IVA and MPS VI in an pediatric orthopedic population | The primary objective of this study is to identify patients with Morquio syndrome type A or Maroteaux-Lamy syndrome who may have been missed or misdiagnosed due to atypical clinical features, a milder course, and/or negative mucopolysaccharidosis urine screening. | Data will be reviewed at the end of 1 year |
| Measure | Description | Time Frame |
|---|---|---|
| DNA and urine collection and storage in a pediatric orthopedic population | The secondary objective of this study is to obtain and keep blood and urine samples for possible future research on Morquio syndrome type A, Maroteaux-Lamy syndrome, or other related or unrelated diseases. | Specimen collection will occur within one year, and specimen storage will be indefinite |
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Inclusion Criteria:
Exclusion Criteria:
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We plan to recruit 75 patients who will meet chart review criteria, selected from a population of 250-300 patients in the Shriners Hospitals for Children--Greenville (SHC) database. In addition, any patients evaluated at a monthly Genetics clinic held at SHC who meet eligibility criteria will be offered enrollment in the study in person (with a goal of 15). Participants of any ethnicity and both genders will be represented in this study. Since participants will be selected from the SHC patient database, as well as Greenwood Genetic Center clinics held at SHC in Greenville, SC, study participant's geographic location will be concentrated in the Southeastern region of the United States.
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| Name | Affiliation | Role |
|---|---|---|
| Richard Curtis Rogers, MD | Greenwood Genetic Center | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Greenwood Genetic Center | Greenville | South Carolina | 29605 | United States |
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| ID | Term |
|---|---|
| D009085 | Mucopolysaccharidosis IV |
| D009087 | Mucopolysaccharidosis VI |
| ID | Term |
|---|---|
| D009083 | Mucopolysaccharidoses |
| D002239 | Carbohydrate Metabolism, Inborn Errors |
| D008661 | Metabolism, Inborn Errors |
| D030342 | Genetic Diseases, Inborn |
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Consent will be requested for specimen storage (DNA and urine) to allow use of the specimens for future research related or unrelated to the participant's condition.
| D009358 | Congenital, Hereditary, and Neonatal Diseases and Abnormalities |
| D016464 | Lysosomal Storage Diseases |
| D017520 | Mucinoses |
| D003240 | Connective Tissue Diseases |
| D017437 | Skin and Connective Tissue Diseases |
| D008659 | Metabolic Diseases |
| D009750 | Nutritional and Metabolic Diseases |