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Transplant Bone DiseaseNCT00302627

Pamidronate, Vitamin D, and Calcium for the Bone Disease of Kidney and Heart Transplantation

A study testing Pamidronate, vitamin D and Calcium Carbonate in people with Transplant Bone Disease, run by Providence Health & Services 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

Bone is lost rapidly and fractures occur in 10-20% of patients who receive organ transplants within 2 years. The purpose of this study is to evaluate long-term effects of a pamidronate-vitamin D-calcium regimen on bone loss, fractures, and safety in recipients of kidney and heart transplants. Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Transplant Bone Disease
What is being tested?
Pamidronate, vitamin D and Calcium Carbonate
Could I receive a placebo?
No, everyone receives an active treatment
How many people
43 participants
Where
1 siteUnited States
Study dates
Jan 1999to Nov 2002
Phase
Interventional
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 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Kidney or heart transplant recipients

Who cannot join

  • Hyperparathyroidism

Trial locations and contacts

1 site in 1 country.

United States1 site
  • Providence Medical Research Center

    Spokane, Washington, 99204

Other trials in United States

About this study

Bone is lost rapidly and fractures occur in 10-20% of patients who receive organ transplants within 2 years. The purpose of this study is to evaluate long-term effects of a pamidronate-vitamin D-calcium regimen on bone loss, fractures, and safety in recipients of kidney and heart transplants.

Read the detailed description

Pamidronate improves bone mass in numerous disorders of bone. Other bisphosphonates, as well as pamidronate, have been proven to be beneficial in steroid-related bone disorders. Steroid treatment is a major cause of bone loss after organ transplantation. Small, short-term studies suggest that pamidronate prevents bone loss in kidney and heart transplant recipients.

Many bisphosphonates cannot be used in patients with decreased kidney function. However, pamidronate can be given to these patients. This is an advantage of pamidronate in kidney and heart transplantation because of the frequent occurrence of decreased kidney function in these groups. Another advantage of pamidronate is that it is administered intravenously. Oral bisphosphonates commonly produce esophagitis, which is a challenging problem in the transplant population. Potential side-effects of pamidronate include transient hypocalcemia, lymphopenia, low-grade fever, myalgias and nausea. Recently, rare cases of proteinuria and kidney failure were reported in cancer patients receiving high-dose pamidronate. Although this side effect has not been reported in other types of patients receiving pamidronate, this is a safety concern that warrants further scrutiny in the transplant population.

In addition to bisphosphonate treatment, supplementation with calcium and vitamin D may preserve bone after organ transplantation. Prior studies have compared bisphosphonates to calcium and vitamin D regimens. However, a combination regimen including each of these treatments may preserve bone mass better than a single treatment. Data regarding treatment with a combination of a bisphosphonate, calcium, and vitamin D are lacking in kidney and heart transplantation.

Comparison(s): In a prospective, open-label, single arm trial, Pamidronate (60-90 mg) is administered within 2 weeks after kidney or heart transplant and every 6 months for 2 years. Participants are prescribed vitamin D 800 units/d or calcitriol 0.25 microgram/d if serum creatinine is greater than 2 mg/dl, and calcium carbonate 1500 mg/d.

The primary outcome is bone mineral density measured by dual-energy X-ray absorptiometry at baseline and after years 1 and 2. Fracture events and serum calcium, parathyroid hormone, creatinine, and dipstick proteinuria are also measured.

Being tested
Pamidronate, vitamin D, Calcium Carbonate
Keywords
bisphosphonates, vitamin D, calcium supplement, corticosteroid therapy, fractures
Medical subject headings
Fractures, Bone

What participants receive

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

  • PamidronateDrug

    Also called Transplant Bone Disease

    60mg or 90mg given at baseline, 6,12,18, and 24 months

  • vitamin DDrug

    Also called Vitamin D administration in Transplant

    baseline, 6,12 months

  • Calcium CarbonateDrug

    Also called Calcium administration in Transplant

    baseline, 6,12 months

Study groups in NCT00302627
Study groupRoleWhat they receive
Pamidronate, Vitamin D, and CalciumExperimental60mg or 90mg given at baseline, 6,12,18, and 24 months vitamin D 800 units/day calcium carbonate 1500 milligrams/day
Receives: Drug: Pamidronate; Drug: vitamin D; Drug: Calcium Carbonate

What is being measured

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

  1. Bone mineral density measured by dual-energy X-ray absorptiometry

    Performed at 1 year and 2 years.

    Measured: Every 12 months

Secondary outcomes (5)
  1. Fracture events

    Evaluated at 6, 12, 18 months and 2 years

    Measured: Every 6 months

  2. serum calcium

    baseline, 6,12,18 months and 2 years

    Measured: Every 6 months

  3. parathyroid hormone

    baseline, 6,12,18 months and 2 years

    Measured: Every 6 months

  4. serum creatinine and estimated glomerular filtration rate

    Performed at 6,12,18 months and 2 years

    Measured: Every 6 months

  5. proteinuria

    Evaluated at 6,12,18 months and 2 years

    Measured: Every 6 months

Timeline

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

  1. First posted14 Mar 2006 (estimated)
  2. Study startJan 1999
  3. Primary completionNov 2002
  4. Study completionNov 2002

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 N/A
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
43 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00302627
Sponsor's protocol ID
HI497
Status last verified
Aug 2018
First submitted
10 Mar 2006
Last updated
29 Aug 2018
Results posted
No
Data monitoring committee
No

Questions about this trial

What is this clinical trial studying?

A study testing Pamidronate, vitamin D and Calcium Carbonate in people with Transplant Bone Disease, run by Providence Health & Services 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 1 inclusion and 1 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 29 Aug 2018. 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.

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.

What does the primary outcome measure?

Bone mineral density measured by dual-energy X-ray absorptiometry (time frame: Every 12 months). It is what the study was designed to measure, not a finding.

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 29 Aug 2018.

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