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EpilepsyPhase 4ADOPTNCT00869622

Antiepileptic Drugs and Osteoporotic Prevention Trial

A Phase 4 study testing Risedronate in people with Epilepsy and Bone Loss, run by Boston VA Research Institute, Inc. 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

Study Design: (e.g., Controlled, Double-Blind, Randomized, Parallel): Randomized, double-blind, placebo controlled of a bisphosphonate in the prevention of bone loss associated with the use of antiepileptic drugs. Read more about this study

Who is it for?
Ages 18 to 85 years, men only
Conditions the study is for
Epilepsy, Bone Loss, Osteoporosis
What is being tested?
Risedronate
Type of treatment
Pill or oral medicine
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
80 participants
Where
1 siteUnited States
Study dates
Jun 2006to Jan 2013
Phase
Phase 4
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 18 to 85 years
  • Men only
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Male gender
  • Epilepsy
  • Anti-epileptic drug treatment with phenytoin, or phenobarbital or valproate sodium
  • Normal renal function and normal Vitamin D and calcium levels

Who cannot join

  • Female gender
  • Organ transplant
  • Use of oral glucocorticoids
  • Renal insufficiency (eGFR < 30ml/min)
  • Severe swallowing disorder
  • Severe esophagitis
  • Patients taking sodium valproate for reasons other than epilepsy
  • Previous treatment with osteoporosis drugs such as bisphosphonates, calcitonin or PTH analog

Trial locations and contacts

1 site in 1 country.

United States1 site
  • VA Boston Healthcare System

    Boston, Massachusetts, 02130

Other trials in United States

About this study

Study Design: (e.g., Controlled, Double-Blind, Randomized, Parallel):

Randomized, double-blind, placebo controlled of a bisphosphonate in the prevention of bone loss associated with the use of antiepileptic drugs.

Read the detailed description

The study is planned to last two years. You will be required to make a total of 6 visits to the clinic during this two year study period. At the first visit, 12 months and, approximately 24 months, you will have a bone mineral density test (BMD) of your hip and spine. A BMD is similar to having an x-ray and is a test that measures the amount of bone. This test takes approximately 15 minutes. Radiation exposure during this test is very low. It has been estimated that the total radiation exposure from a bone mineral density measurement is lower than that of a dental x-ray. At each follow up visit an assessment will be made for side effects and whether or not you followed the prescribed treatment.

Initially, information collected will include height, weight, seizure history and seizure medication history, other medical conditions, bone and muscle symptoms you currently have, dietary calcium intake, and exercise. Blood will be drawn at the initial and 5 follow-up visits. The purpose of this is to test your blood for organ function, calcium levels, vitamin D levels and levels of markers that show high bone turnover. Also at each visit your height and weight will be checked and you will be asked questions regarding side effects, adherence to treatment and quality of life.

When you agree to participate, you will be randomized to either risedronate 35mg tablet (Actonel ®) or placebo (a fake pill) to take once a week. Randomization is a process in which you will have an equal chance (like the flip of a coin) to be assigned to either risedronate (Actonel ®) or placebo. A computer program will determine your treatment assignment. Also during the study you will be provided with calcium and vitamin D tablets to take either two or three times each day depending on your dietary calcium intake.

At the first visit you will be assessed for changeable risk factors for osteoporosis. These include smoking, alcohol consumption, and lack of physical activity, poor nutrition and lack of vitamin intake. Also, blood will be drawn to see if you have a low male hormone. If you are found to have low male hormone, you will be referred to your primary care provider. If you have low male hormone levels, you will be eligible to participate in the study if testosterone replacement has been offered to you and you have declined treatment. If you decide to be treated with testosterone you are not eligible to participate in this study. Education will be provided on exercises for bones. If you smoke, you will be counseled on quitting although quitting is not a requirement to participate in the study. If you drink a lot of alcohol you will be counseled on reducing your intake and offered help. Reducing or quitting alcohol is not a requirement for your participation in this study. You can also meet with a registered dietician for nutritional counseling.

Being tested
Risedronate, Placebo + Calcium and Vitamin D
Keywords
osteoporosis, bone mineral density, fracture, antiepileptic drug, seizure, Prevention of bone loss, Prevention of osteoporosis, Prevention of Fractures
Medical subject headings
Epilepsy, Bone Diseases, Metabolic, Osteoporosis, Fractures, Bone, Seizures

What participants receive

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

  • RisedronateDrug

    Also called Actonel

    35 mgs/week + calcium and vit d

  • Placebo + Calcium and Vitamin DDrug

    Also called Placebo

    sugar pill + calcium 1200mgs/day and vitamin d at least 800IU

Study groups in NCT00869622
Study groupRoleWhat they receive
RisedronateActive comparatorActive drug
Receives: Drug: Risedronate
Placebo + Calcium and Vitamin DPlacebo comparatorAll patients both on placebo and active bisphosphonate to receive calcium and vitamin D
Receives: Drug: Placebo + Calcium and Vitamin D

What is being measured

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

  1. Changes in Bone Mineral Density

    Patients with a T-Score of > -2.5 were randomized into two possible arms. A bisphosphonate group received 35mg risedronate weekly while another group received an identical placebo tablet weekly. Both groups received supplemental calcium and vitamin D.

    Enrolled patients had bone density measurements of bilateral proximal femur, A-P lumbar spine, total body, forearm and L-P spine. All measurements were performed on a GE Lunar Bone Densitometer (iDXA) instrument. Measurements of 25-hydroxy vitamin D, NTX , serum calcium and blood chemistries occurred at scheduled intervals.

    Measured: 2 years

Secondary outcomes (1)
  1. Vertebral Fractures

    Measured: 2 years

Timeline

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

  1. First posted26 Mar 2009 (estimated)
  2. Study startJun 2006
  3. Primary completionOct 2012
  4. Study completionJan 2013

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 4
Primary purpose
Prevention
Allocation
Randomised
Intervention model
Parallel groups
Masking
Quadruple blind
Who is masked
Participant, Care provider, Investigator, Outcomes assessor
Enrolment
80 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00869622
Sponsor's protocol ID
VABHS IRB#1889
Acronym
ADOPT
Status last verified
Jul 2015
First submitted
25 Mar 2009
Last updated
24 Jul 2015
Data monitoring committee
Yes

Questions about this trial

What is this clinical trial studying?

A Phase 4 study testing Risedronate in people with Epilepsy and Bone Loss, run by Boston VA Research Institute, Inc. 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 4 inclusion and 8 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 24 Jul 2015. 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. Some participants in this study may receive a placebo. 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 4 studies take place after a treatment is approved, to learn more about its long-term benefits and risks in everyday use.

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 24 Jul 2015). 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?

Changes in Bone Mineral Density (time frame: 2 years). 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 24 Jul 2015.

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