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Breast CancerLOGRIBMETNCT01896050

Loss of Grip Strength, BMI, and Adjuvant Endocrine Therapy Breast Cancer

An observational study of Breast Cancer and Arthralgia, run by University of Michigan Rogel Cancer Center 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

Early stage hormone receptor positive breast cancer is typically treated with adjuvant endocrine therapy in order to decrease risk of breast cancer recurrence and to improve overall survival from the disease. Typical agents used for treatment include tamoxifen and the aromatase inhibitors. Read more about this study

Who is it for?
Ages 18 years and older, women only
Conditions the study is for
Breast Cancer, Arthralgia, Obesity
What is being tested?
anastrozole, letrozole, exemestane and Tamoxifen
How many people
115 participants
Where
1 siteUnited States
Study dates
Sep 2009to Aug 2014
Phase
Observational
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 years and older
  • Women only
  • No healthy volunteers
  • Adult, Older adult

Study population: Postmenopausal women with hormone receptor positive breast cancer who are initiating therapy with either an aromatase inhibitor or tamoxifen.

Who may be able to join

  • Stage 0-III breast cancer who are scheduled to receive endocrine therapy with tamoxifen or an aromatase inhibitor
  • All prior surgery and chemotherapy should be complete
  • Age 18 and above and postmenopausal

Who cannot join

  • Major rheumatologic disorders
  • Concomitant sex hormone containing drugs or Leutinizing Hormone Releasing Hormone agonist therapy
  • For those subjects initiating treatment with an aromatase inhibitor, prior tamoxifen within 4 weeks of enrollment
  • For those subjects initiating treatment with tamoxifen, prior aromatase inhibitor within 4 weeks of enrollment

Trial locations and contacts

1 site in 1 country.

United States1 site
  • University of Michigan Comprehensive Cancer Center

    Ann Arbor, Michigan, 48109

Other trials in United States

About this study

Official title: A Prospective Assessment of Loss of Grip Strength by Baseline BMI in Breast Cancer Patients Receiving Adjuvant Third-generation Aromatase Inhibitors and Tamoxifen

Early stage hormone receptor positive breast cancer is typically treated with adjuvant endocrine therapy in order to decrease risk of breast cancer recurrence and to improve overall survival from the disease. Typical agents used for treatment include tamoxifen and the aromatase inhibitors. In postmenopausal women, aromatase inhibitor therapy is increasingly common because it is associated with fewer long-term serious toxicities compared to tamoxifen. However, aromatase inhibitors cause arthralgias in 40-50% of patients, which can influence adherence to therapy and can lead to treatment discontinuation in a minority of cases. The mechanism underlying development of this toxicity remains unclear, and predictors of who will develop these symptoms remain undefined. Initial reports suggest that grip strength decreases during aromatase inhibitor therapy, and that body-mass index may influence development of this symptom. Therefore, this longitudinal study has been developed to determine change in grip strength over time in women treated with aromatase inhibitors and tamoxifen, as well as to identify potential associations between change in grip strength and BMI. Patient self-reported symptoms will also be collected. A total of 115 women with early stage breast cancer who are initiating therapy with either an aromatase inhibitor or tamoxifen will be enrolled.

Being tested
anastrozole, letrozole, exemestane, Tamoxifen
Keywords
Joint pain, Grip strength, Hormone receptor positive breast cancer
Medical subject headings
Breast Neoplasms, Arthralgia, Obesity

What participants receive

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

  • anastrozole, letrozole, exemestaneDrug

    Also called Arimidex, Femara, Aromasin

    Patients were treated with one of the listed anti-hormonal medications for up to one year

  • TamoxifenDrug

    Also called Novaldex

    Patients were treated with tamoxifen for up to one year

Study groups in NCT01896050
Study groupRoleWhat they receive
AI therapySubjects who started treatment with any of the three aromatase inhibitor (AI) medications
Receives: Drug: anastrozole, letrozole, exemestane
TamoxifenSubjects who started treatment with tamoxifen
Receives: Drug: Tamoxifen

What is being measured

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

  1. Effect of Change in Body Mass Index on Change in Grip Strength With Aromatase Inhibitor Therapy

    Change in BMI between baseline and 12 months of endocrine therapy

    Measured: baseline and 12 months

Secondary outcomes (2)
  1. Effect of Medication on Change in Grip Strength

    Effect of either aromatase inhibitor or tamoxifen therapy on change in grip strength between baseline and 12 months

    Measured: baseline and 12 months

  2. Association Between Baseline Body Mass Index and Discontinuation of Aromatase Inhibitor Therapy Within the First 12 Months

    Associations between baseline BMI and whether or not aromatase inhibitor-treated patients discontinued treatment by 12 months. In the original statistical analysis plan, it was only intended to examine the association with aromatase inhibitor-treated patients, and not tamoxifen-treated patients. The numbers below reflect the number of patients in each group who discontinued initial endocrine therapy within the first 12 months of treatment

    Measured: baseline and 12 months

Timeline

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

  1. First posted11 Jul 2013 (estimated)
  2. Study startSep 2009
  3. Primary completionAug 2014
  4. Study completionAug 2014

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
115 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01896050
Sponsor's protocol ID
UMCC 2009.029
Acronym
LOGRIBMET
Status last verified
May 2016
First submitted
5 Jul 2013
Last updated
28 Jun 2016
Data monitoring committee
No

Questions about this trial

What is this clinical trial studying?

An observational study of Breast Cancer and Arthralgia, run by University of Michigan Rogel Cancer Center 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 3 inclusion and 4 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 28 Jun 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.

Are results available for this study?

Yes. Results are posted in the registry (first posted 12 May 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?

Effect of Change in Body Mass Index on Change in Grip Strength With Aromatase Inhibitor Therapy (time frame: baseline and 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 28 Jun 2016.

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