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Osteogenesis ImperfectaPhase 3NCT00005901

Pamidronate to Treat Osteogenesis Imperfecta in Children

A Phase 3 study testing Pamidronate (Aredia) in people with Osteogenesis Imperfecta, run by Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) at 1 site in United States.

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

This study will evaluate the effect of pamidronate a drug that decreases bone resorption (breakdown) on osteogenesis imperfecta. This is a genetic disorder of collagen, the major protein in bone. Read more about this study

Who is it for?
Ages Up to 16 years
Conditions the study is for
Osteogenesis Imperfecta
What is being tested?
Pamidronate (Aredia)
Type of treatment
Injection or infusion
Could I receive a placebo?
No, everyone receives an active treatment
How many people
34 participants
Where
1 siteUnited States
Study dates
Jun 2000to Mar 2015
Phase
Phase 3
Are there results?
Yes, posted in the registrySummary in the doctors' view

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 Up to 16 years
  • All sexes
  • No healthy volunteers
  • Child

Who may be able to join

  • Children enrolled in this study will be limited to those with Sillence types III and IV OI, as determined by clinical and genetic criteria.
  • Most of the children who will be included in this study are already enrolled in the protocols Evaluation and Intervention for Ambulation, Growth, and Basilar Invagination in Osteogenesis Imperfecta (97-CH-0064) and Growth Hormone Therapy in Osteogenesis Imperfecta (92-CH-0034).
  • Screening of candidates will be based on telephone interviews with a parent, and referral records to include: AP and lateral radiographs of the lower extremities and spine, and family, developmental, fracture and medical history. An NIH clinical screening evaluation will be performed for those children who appear to have a history consistent with OI under protocol 04-CH-0077, Screening of and Diagnosis of Patients with Connective Tissue Disorder . Patients admitted for this screening visit who are less than four years of age as well as those older than 4 years of age but not meeting the criteria for inclusion in the growth hormone protocol, protocol 92-CH-0034, will be considered for enrollment in protocol 97-CH-0064 (Evaluation and Intervention for Ambulation, Growth and Basilar Invagination in OI), those older than four years who meet the criteria will be considered for co-enrollment in protocol 92-CH-0034.
  • The inclusion criteria for protocol 92-CH-0034 are as follows: patients must have a clinical/biochemical diagnosis of osteogenesis imperfecta types III or IV, height less than third percentile for age, and radiological evidence that long bone epiphyses have not yet fused.
  • Patients are excluded from protocol 92-CH-0034 if they have scoliosis of greater than 40 degrees unless scoliosis has been stable over the past two years, or evidence of severe basilar invagination.
  • Patients with previous exposure to bisphosphonates in outside trials will be considered for participation in this trial.

Who cannot join

  • Inability to comply with the visit schedule, maintenance of the physical therapy program, and ability to administer and comply with GH injections are central to our analysis of the outcomes of this study. Failure to comply with these conditions will constitute exclusion criteria.
  • Pregnancy.
  • Patients that have had or will have surgery to place instrumentation in the spine (i.e. result of spine fusion).

Trial locations and contacts

1 site in 1 country.

United States1 site
  • National Institutes of Health Clinical Center, 9000 Rockville Pike

    Bethesda, Maryland, 20892

Other trials in United States

About this study

Official title: A Trial of Pamidronate in Children With Osteogenesis Imperfecta

This study will evaluate the effect of pamidronate a drug that decreases bone resorption (breakdown) on osteogenesis imperfecta. This is a genetic disorder of collagen, the major protein in bone. The abnormal collagen causes weak bones, and children with severe osteogenesis imperfecta sustain many fractures throughout their lives. They also have growth deficiency, curvature of the spine, crumbling teeth, hearing loss, easy bruising and heart and lung problems. The study will compare bone density, quality and strength, final adult height, trunk height, and functional ability in children who receive 1) pamidronate every 3 months, 2) pamidronate every 3 months + growth hormone injections, 3) pamidronate every 6 months, or 4) pamidronate every 6 months + growth hormone injections.

Children 2 years of age and older with severe osteogenesis imperfecta (types III and IV) may be eligible for this study. Those enrolled will be randomly assigned to groups according to age; children two to four years of age will be randomly assigned to receive pamidronate every 3 or every 6 months. Children four years of age and older may participate in the growth hormone treatment groups. These children will continue on growth hormone until they reach their adult height or fail to grow as much as would be expected for someone on growth hormone.

Patients will be followed in the clinic every 3 months for a history, physical examination, X-rays, blood tests, and measurements (weight, head circumference, and bone lengths). Children will receive a 3 to 4 hour infusion of pamidronate through an intravenous catheter (thin flexible tube placed in a vein) once a day for 3 days each visit. (Once inserted, the catheter is left in place to avoid multiple needle sticks for administering the drug and collecting blood samples.) Children who are taking growth hormone will be given the drug at the first treatment visit. At that time, the accompanying parent will be instructed on how to mix the drug and give injections. The child receives an injection 6 days a week (Sunday off).

Read the detailed description

Osteogenesis imperfecta is an inherited disorder of connective tissue in which affected individuals synthesize abnormal type I collagen. This results in the formation of abnormal bone matrix and a predisposition to bony fractures. Many unsuccessful attempts have been made to increase the bone mineral density of these individuals in the hope that this will improve the strength of their bones and result in a decreased fracture rate.

Bisphosphonates are synthetic analogs of pyrophosphate which have an affinity for hydroxyapatite. These drugs act primarily on osteoclasts, impairing the development of immature osteoclasts and the function of mature osteoclasts, as well as depressing chemical signaling to adjacent cells, resulting in a shift in the balance of deposition and resorption in bone. Conditions for which bisphosphonates are being used in children include four broad categories, 1) a primary defect in bone mineralization 2) bone matrix abnormalities 3) bone abnormalities due to systemic disease or the effects of treatment of systemic disease or 4) significant soft tissue calcification with no bone abnormality.

Pamidronate, an aminobisphosphonate, is a potent inhibitor of bone resorption. The purpose of this protocol is to evaluate the effectiveness of pamidronate in children with types III and IV osteogenesis imperfecta when the cycle time is varied. We plan to compare children treated with pamidronate on an every-three-month infusion cycle to children treated every six months with the same dose per infusion. We also plan to continue to compare children treated with pamidronate and growth hormone to children treated with pamidronate alone.

Being tested
Pamidronate (Aredia)
Keywords
Bisphosphonates, Growth Hormone, Bone Density, Osteogenesis Imperfecta
Medical subject headings
Osteogenesis Imperfecta

What participants receive

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

  • Pamidronate (Aredia)Drug

    Patients receive a dose of 1mg/kg/cycle (3-day infusion = 1 cycle)

Study groups in NCT00005901
Study groupRoleWhat they receive
Pamidronate every 3 months for 3 yearsActive comparatorSubjects who received Pamidronate every 3 months for 3 years.
Receives: Drug: Pamidronate (Aredia)
Pamidronate every 6 months for 3 yearsActive comparatorSubjects who received Pamidronate every 6 months for 3 years.
Receives: Drug: Pamidronate (Aredia)

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Change in Bone Mineral Density in Response to Pamidronate

    Dual-energy X-ray Absorptiometry (DXA) measurements were obtained using a Hologic QDR 4500 densitometer and low density software package. Measurements have a precision of 0.011 SD. Raw measurements were converted to Z-scores for analysis using the manufacturer's reference standards for age and pubertal status.

    Measured: Baseline vs. 12 months after first dose

  2. Change in Bone Mineral Density in Response to Pamidronate

    Dual-energy X-ray Absorptiometry (DXA) measurements were obtained using a Hologic QDR 4500 densitometer and low density software package. Measurements have a precision of 0.011 SD. Raw measurements were converted to Z-scores for analysis using the manufacturer's reference standards for age and pubertal status.

    Measured: Baseline vs. 18 months after first dose

  3. Change in Bone Mineral Density in Response to Pamidronate

    Dual-energy X-ray Absorptiometry (DXA) measurements were obtained using a Hologic QDR 4500 densitometer and low density software package. Measurements have a precision of 0.011 SD. Raw measurements were converted to Z-scores for analysis using the manufacturer's reference standards for age and pubertal status.

    Measured: Baseline vs. 24 months after first dose

  4. Change in Bone Mineral Density in Response to Pamidronate

    Dual-energy X-ray Absorptiometry (DXA) measurements were obtained using a Hologic QDR 4500 densitometer and low density software package. Measurements have a precision of 0.011 SD. Raw measurements were converted to Z-scores for analysis using the manufacturer's reference standards for age and pubertal status.

    Measured: Baseline vs. 30 months after first dose

  5. Change in Bone Mineral Density in Response to Pamidronate

    Dual-energy X-ray Absorptiometry (DXA) measurements were obtained using a Hologic QDR 4500 densitometer and low density software package. Measurements have a precision of 0.011 SD. Raw measurements were converted to Z-scores for analysis using the manufacturer's reference standards for age and pubertal status.

    Measured: Baseline vs. 36 months after first dose

  6. Change in Bone Mineral Density in Response to Pamidronate

    Dual-energy X-ray Absorptiometry (DXA) measurements were obtained using a Hologic QDR 4500 densitometer and low density software package. Measurements have a precision of 0.011 SD. Raw measurements were converted to Z-scores for analysis using the manufacturer's reference standards for age and pubertal status.

    Measured: Baseline vs. 6 months after first dose

Timeline

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

  1. First posted7 Jun 2000 (estimated)
  2. Study startJun 2000
  3. Primary completionMay 2014
  4. Study completionMar 2015

Resources

More details

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

Study design
Study type
Interventional
Phase
Phase 3
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
34 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00005901
Sponsor's protocol ID
000136
Other IDs
00-CH-0136
Status last verified
Feb 2016
First submitted
6 Jun 2000
Last updated
1 Mar 2016
Data monitoring committee
Yes

Publications

  • Marini JC. Osteogenesis imperfecta: comprehensive management. Adv Pediatr. 1988;35:391-426. No abstract available.

    PubMed 3055864
  • Prockop DJ, Kivirikko KI. Heritable diseases of collagen. N Engl J Med. 1984 Aug 9;311(6):376-86. doi: 10.1056/NEJM198408093110606. No abstract available.

    PubMed 6146097
  • Marini JC, Bordenick S, Heavner G, Rose S, Chrousos GP. Evaluation of growth hormone axis and responsiveness to growth stimulation of short children with osteogenesis imperfecta. Am J Med Genet. 1993 Jan 15;45(2):261-4. doi: 10.1002/ajmg.1320450223.

    PubMed 8456815

Questions about this trial

What is this clinical trial studying?

A Phase 3 study testing Pamidronate (Aredia) in people with Osteogenesis Imperfecta, run by Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) at 1 site in United States.

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 6 inclusion and 3 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 1 Mar 2016. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

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.

What does this phase mean?

Phase 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 1 Mar 2016). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

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.

What does the primary outcome measure?

Change in Bone Mineral Density in Response to Pamidronate (time frame: Baseline vs. 12 months after first dose). The study lists 6 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT00005901, which also lists 3 linked publications.

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 1 Mar 2016.

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