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NCT00099762 · ClinicalTrials.gov registry record
Catheterization to Locate Mesenchymal Tumors in Patients With Tumor-Induced Osteomalacia or Oncogenic Osteomalacia
A clinical trial of Neoplasms and Osteomalacia, sponsored by National Institute of Dental and Craniofacial Research (NIDCR).
- Completed
- Registry status
- 45
- Enrollment target
- 1
- Study location
NCT00099762 is a study of Neoplasms and Osteomalacia that has completed, run by National Institute of Dental and Craniofacial Research (NIDCR). The registered enrollment target is 45 participants, below the 1,621-participant average among 158 other Neoplasms trials with a reported enrollment target (97% lower). The trial reports 1 study location across 1 state.
The verdict
NCT00099762, a study of Neoplasms and Osteomalacia, has completed, sponsored by National Institute of Dental and Craniofacial Research (NIDCR).
- COMPLETED
- Registry status
- 45 participants
- Enrollment target
- 1
- Study location
Study Summary
This study will use a procedure called selective venous catheterization in patients with tumor-induced osteomalacia (TIO) or oncogenic osteomalacia (OOM) to try to locate very small tumors that produce proteins called phosphatonins. Too much phosphatonin in the blood causes the kidneys to allow large amounts of phosphorus to be excreted in the urine, leading to low blood levels of phosphorus and, in turn, to osteomalacia (a condition of soft bones). Osteomalacia can cause bone fractures requiring many surgical procedures that can leave patients in pain. Patients may also feel weak and can lose height from massive bone loss. Selective venous catheterization is a way to measure the amount of phosphatonin in the blood and may be used as a way to locate phosphatonin-producing tumors that cannot be found using standard imaging techniques. Patients with TIO or OOM are screened under NIDR Protocol 01-D-0184 with a medical history, review of medical records and routine physical examination. Other procedures may include blood tests, urine tests, and imaging tests, such as x-rays, bone densitometry, bone scan, computed tomography (CT) and magnetic resonance imaging (MRI). This study will include mostly patients whose tumors were not able to be located through imaging procedures, but also a few patients whose tumors were located. All participants, regardless of whether or not their tumor was located, undergo selective venous catheterization. For this procedure, a radiologist inserts a catheter (thin flexible tube) into the body and uses fluoroscopy (a type of x-ray) to guide the tip of the catheter to different places in the body to collect small amounts of blood from the different areas. After the procedure, the patient lies flat for 2 hours and avoids moving his or her leg on the side where the catheter was placed. The blood is analyzed to measure the amount phosphatonin is in each sample, and the amounts are compared to the average amount of phosphatonin in the general b
Conditions Studied
Study Locations (1)
Maryland
- National Institutes of Health Clinical Center, 9000 Rockville Pike - Bethesda
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 45 participants |
| Start Date | 2004-12-15 |
Interested in This Trial?
Full Details on ClinicalTrials.gov ↗What the Registry Record Tells You About NCT00099762
The ClinicalTrials.gov registry entry for NCT00099762 describes a study currently listed as completed, categorized as an unspecified phase. The registered enrollment target is 45 participants, a figure that helps gauge the scale of data the investigators plan to collect, below the 1,621-participant average among 158 other Neoplasms trials with a reported enrollment target (97% lower). The listed sponsor is National Institute of Dental and Craniofacial Research (NIDCR), which has 91 total studies on file at ClinicalTrials.gov.
The record links to 2 conditions, with Neoplasms appearing as the primary indexed condition, and to 0 interventions.
NCT00099762 reports 1 study location spanning 1 distinct geographic area - top geographies include Maryland.
Frequently Asked Questions
What is clinical trial NCT00099762 about?
NCT00099762 is a clinical study titled "Catheterization to Locate Mesenchymal Tumors in Patients With Tumor-Induced Osteomalacia or Oncogenic Osteomalacia". This study will use a procedure called selective venous catheterization in patients with tumor-induced osteomalacia (TIO) or oncogenic osteomalacia (OOM) to try to locate very small tumors that produce proteins called phosphatonins. Too much phosphatonin in the blood causes the kidneys to allow larg...
What is the current status of trial NCT00099762?
This trial is currently completed. The enrollment target is 45 participants. The study started on 2004-12-15.
What conditions does trial NCT00099762 study?
This clinical trial studies the following conditions: Neoplasms, Osteomalacia.
Who is sponsoring clinical trial NCT00099762?
This trial is sponsored by National Institute of Dental and Craniofacial Research (NIDCR), which has 91 total clinical trials registered on ClinicalTrials.gov.
Where is trial NCT00099762 being conducted?
This trial has 1 study location across Maryland. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.
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