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RheumatoId ArthritisPhase 4BROCAIINCT02035800

Bone Resorption, Osteoclastogenesis and Adalimumab

A Phase 4 study testing Adalimumab in people with RheumatoId Arthritis, run by Université de Sherbrooke at 1 site in Canada.

Unknown status

Status not confirmed. The sponsor has not verified this record for over two years, so it may be out of date.

Official record
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Trial summary

Broca II is the prolongation of the original study name BROCA. In BROCA study, only 25 patients participated and it was not enough to concluded clearly our hypothesis. Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
RheumatoId Arthritis
What is being tested?
Adalimumab
Could I receive a placebo?
No, everyone receives an active treatment
How many people
120 participants
Where
1 siteCanada
Study dates
May 2013to Dec 2019
Phase
Phase 4
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

  • Patients aged of 18 and over,
  • Satisfying the 1987 American College of Rheumatology (ACR) criteria for RA
  • Receiving a prescription of Adalimumab 40 mg subcutaneous every two weeks.

Who cannot join

  • Patients not capable or willing to provide informed consent
  • Patients starting Adalimumab less than five half-lives after the interruption of a previous anti-TNF therapy.

Trial locations and contacts

1 site in 1 country.

Canada1 site, 1 recruiting
  • CRC Étienne Le-Bel at CHUS

    Sherbrooke, Quebec, J1H 5N4

    Stéphanie Mcmahon, 819-346-1110 ext. 12845

    Maryse Berthiaume, 819-346-1110 ext. 12891

    Recruiting

Other trials in Canada

About this study

Broca II is the prolongation of the original study name BROCA. In BROCA study, only 25 patients participated and it was not enough to concluded clearly our hypothesis.

Read the detailed description

Osteoclasts (OC) are clearly involved in joint destruction in Rheumatoid Arthritis (RA), as shown by clinical and experimental data. Tumor Necrosis Factor Alpha (TNF-alpha), a major pathologic mediator in RA, may induce bone resorption either directly, stimulating osteoclastogenesis or indirectly, by influencing receptor activator of nuclear factor kappa-B ligand (RANKL), osteoprotegerin (OPG) and prostaglandin production by osteoblasts. Anti-TNF agents reduce bone destruction in RA but their effects on osteoclast biology in patients with RA are little known.

The original BROCA study, which included a cohort of 25 RA patients, aimed to study the effect of treatment with Adalimumab on times zero, 3 and 6 months on the following osteoclastic parameters: 1) the number of osteoclast precursor (CD14+) cells in the peripheral blood, 2) the number of osteoclasts generated in vitro, and 3) the amount of bone resorption in vitro before, 3 and 6 months after treatment with Adalimumab. The secondary outcomes were 1) The effect of treatment with Adalimumab on disease activity score defined as a DAS28 score (Disease Activity Score, 2) The effect of treatment with Adalimumab (also name: Humira) on change in functional status by the health assessment questionnaire (HAQ), and 3) Parallel in vitro differentiation assays (number of osteoclasts generated and amount of bone resorption) in the presence of exogenous Adalimumab in the concentration range found in the plasma of treated patients to detect a direct effect of the medication in vitro in osteoclastogenesis.

The results showed that treatment with Adalimumab induced a statistically significant reduction in the clinical scores DAS28 and HAQ, as has been shown by many clinical studies . Even though no statistically significant effect of the treatment was found on the number of osteoclast precursors, the number of osteoclasts generated in vitro or the surface of bone resorption in vitro, there was a clear trend towards a decrease in the last two parameters. We believe this lack of statistical significance is due to a type II error, a consequence of the much higher variance of the primary parameter (number of in vitro-generated osteoclasts) in the patient cohort than we could foresee from the initial data from normal donors. Moreover, there was a statistically significant correlation (p=0.416, linear regression) between the difference in the number of osteoclasts in time zero and six months and the difference in the HAQ score, which not only supports the hypothesis that the treatment with Adalimumab may be associated with a reduction in the number of osteoclasts but also suggests that this reduction may be associated with a better response to the treatment. The general objective of the proposed prolongation of the BROCA study is to verify these two working hypothesis.

Being tested
Adalimumab
Keywords
Rheumatoid Arthritis, Adalimumab, Humira
Medical subject headings
Arthritis, Rheumatoid

What participants receive

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

  • AdalimumabDrug

    Also called Humira

    Patient will received medication as standard of care

Study groups in NCT02035800
Study groupRoleWhat they receive
Adalimumab (humira)ExperimentalAs standard of care.
Receives: Drug: Adalimumab

What is being measured

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

  1. Verify if the treatment with Adalimumab may be associated with a reduction in the number of osteoclasts.

    By calculating the number of osteoclast and osteoblast in patient serum.

    Measured: 6 months after treatment

Secondary outcomes (3)
  1. Verify if this reduction may be associated with a better response to the treatment.

    Disease activity defined as a DAS28 score

    Measured: 6 months after treatment

  2. To verify reduction of osteoclasts may be associated with a better response to the treatment.

    Functional status by the HAQ

    Measured: 6 months after treatment

  3. To verify reduction of osteoclasts may be associated with a better response to the treatment.

    Radiological progression defined by Sharp scores

    Measured: 6 months after traitment

Timeline

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

  1. First posted14 Jan 2014 (estimated)
  2. Study startMay 2013
  3. Primary completionDec 2018 (estimated)
  4. Study completionDec 2019 (estimated)

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
Basic science
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
120 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02035800
Sponsor's protocol ID
IMM 11-0163
Acronym
BROCAII
Status last verified
May 2018
First submitted
10 Dec 2013
Last updated
8 May 2018
Results posted
No
Data monitoring committee
Yes

Questions about this trial

What is this clinical trial studying?

A Phase 4 study testing Adalimumab in people with RheumatoId Arthritis, run by Université de Sherbrooke at 1 site in Canada.

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 3 inclusion and 2 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: status not confirmed, as of the sponsor's last update on 8 May 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 Canada. 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 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?

Results are not available in the source record.

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

Contact Artur Fernandes (819-346-1110 ext. 15417, Artur.Jose.De.B.Fernandes@USherbrooke.ca), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Verify if the treatment with Adalimumab may be associated with a reduction in the number of osteoclasts. (time frame: 6 months after treatment). 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 8 May 2018.

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