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Growth DisordersNCT00334945

Evaluate the Effect of Growth Hormone (GH) Treatment on Fibroblast Growth Factor 23, a Known Phosphaturic Agent

An observational study of Growth Disorders, run by University of Alabama at Birmingham.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The purpose of this study is to evaluate the effect of growth hormone treatment on phosphorus levels in the body. Phosphorus is an important mineral for bone growth. It is well known that growth hormone treatment improves bone density and bone mineral content. The amount of phosphorus is maintained by the kidneys. Read more about this study

Who is it for?
Ages 3 to 14 yearsHealthy volunteers can take part
Conditions the study is for
Growth Disorders
How many people
35 participants
Where
No sites listed yet
Study dates
Apr 2006to Aug 2011
Phase
Observational
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 3 to 14 years
  • All sexes
  • Healthy volunteers accepted
  • Child

Study population: Children attending Endocrinology clinics of Children's Hospital of Alabama. Ages are 3-14 years of age.

Who may be able to join

  • Twenty children with significant short stature < 3rd percentile, ages 3-14 years, and referred to Children's Hospital of Alabama
  • Normal healthy volunteer children 3-18 years with normal stature

Who cannot join

  • Patients on medication including GH
  • Patients with concomitant hormonal abnormalities
  • Patients with disorders of calcium and phosphate metabolism
  • Active neoplasms
  • Closed epiphysis
  • Known bone disorders

About this study

Official title: Evaluate the Effect of Growth Hormone (GH) Treatment on Fibroblast Growth Factor 23 (a Known Phosphaturic Agent)

The purpose of this study is to evaluate the effect of growth hormone treatment on phosphorus levels in the body. Phosphorus is an important mineral for bone growth. It is well known that growth hormone treatment improves bone density and bone mineral content. The amount of phosphorus is maintained by the kidneys. Fibroblast Growth Factor 23 has recently been recognized to help kidneys control phosphate levels.

Read the detailed description

This study will compare Fibroblast Growth Factor 23 levels in children with and without growth hormone deficiency. Children with growth hormone deficiency will have levels taken before starting growth hormone replacement and after it has been initiated.

Keywords
Fibroblast Growth Factors, Bone development
Medical subject headings
Growth Disorders

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

Study groups in NCT00334945
Study groupRoleWhat they receive
Growth HormonePatient ages 3-14 years receiving growth hormone for growth hormone deficiency or short stature
Healthy ChildrenChildren with normal stature ages 3-18 years.

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted8 Jun 2006 (estimated)
  2. Study startApr 2006
  3. Primary completionJun 2010
  4. Study completionAug 2011

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Cohort
Time perspective
Prospective
Enrolment
35 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00334945
Sponsor's protocol ID
X041104010
Other IDs
X3395n, Genentech X3395n
Status last verified
Nov 2011
First submitted
7 Jun 2006
Last updated
16 Nov 2011
Results posted
No
Data monitoring committee
No

Questions about this trial

What is this clinical trial studying?

An observational study of Growth Disorders, run by University of Alabama at Birmingham.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 2 inclusion and 6 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 16 Nov 2011. Status can change between updates, so confirm with the study contact before making plans.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 16 Nov 2011.

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