- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01769625
Changes in Biomarkers Using Prostaglandin Inhibitors
Prostaglandin Inhibition to Prevent Breast Cancer
This is a biomarker study with the goal of measuring changes in proteins and gene methylation. This study is not intended for use in diagnosing, mitigating, treating, curing, or preventing disease.
The purpose of this study is to determine if Vitamin D (cholecalciferol) alone and in combination with celecoxib (Celebrex, a non-steroidal anti-inflammatory drug, or NSAID), act together to decrease breast cancer risk by their effect on certain biological indicators (biomarkers) of breast cancer risk (called PGE2, COX-2, and 15-PGDH) and cell changes in the breast.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
This is a biomarker study with the goal of measuring changes in protein and rna expression. This study is not intended for use in diagnosing, mitigating, treating, curing, or preventing disease.
66 women at normal risk for developing breast cancer will be recruited and enrolled. 22 women will be randomized into each arm, with anticipation of 2 women in each group will not be evaluable, leaving 20 in each group for evaluation.
A combination of vitamin D and celecoxib act synergistically to decrease breast cancer risk by decreasing cell proliferation in the mammary epithelium through their action on prostaglandin synthesis and metabolism.
Specific Aims:
-Evaluate vitamin D metabolism, through the measurement of CYP24 in the breast.
2-Evaluate breast specific levels of vitamin D and celecoxib, and assess if the levels of these compounds correlate with response to markers which influence prostaglandin synthesis and metabolism. Additionally, in women without active breast cancer , we will determine the effect of vitamin D, with or without celecoxib, on 1) PG synthesis and metabolism, through the measurement of PGE2, COX-2 and 15-PGDH in the breast, 2) proliferative activity in the breast,, and 3) circulating levels of vitamin D and celecoxib, to determine if levels of these compounds correlate with response to markers of PG production, metabolism, or cell proliferation.
Study Type
Enrollment (Actual)
Phase
- Phase 2
- Phase 1
Contacts and Locations
Study Locations
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North Dakota
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Grand Forks, North Dakota, United States, 58202
- University of North Dakota
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Woman >18 years old
- Healthy women who are at normal risk for developing breast cancer
- ECOG Performance Status score 0-1
- Premenopausal women must not be pregnant
Exclusion Criteria:
- History of bilateral mastectomy, or bilateral breast irradiation
- Significant medical or psychiatric problems making the participant a poor candiate
- Evidence of excess use of narcotics or drug dependency
- Have been pregnant and lactating in the past 2 years
- Significant history of peptic ulcer disease or upper gastrointestinal bleeding
- History of severe congestive heart failure that requires hospitalization or intervention
- History of asthma requiring medication for treatment
- Allergy to sulfonamides or NSAID medications
- History of myocardial infarction or stroke
- Currently on Coumadin
- Currently on Tamoxifen (nolvadex),Evista (raloxifene), Femara (letrozole), Arimidex (anastrozole), or Aromasin (exemestane)
- Undergone prior subaeolar breast surgery
Study Plan
How is the study designed?
Design Details
- Primary Purpose: PREVENTION
- Allocation: RANDOMIZED
- Interventional Model: PARALLEL
- Masking: DOUBLE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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PLACEBO_COMPARATOR: placebo & cholecalciferol 400 IU
In this arm, the placebo is in place of celecoxib and the current RDA for cholecalciferol is used the control of the cholecalciferol higher dose.
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Take 1 capsule from each bottle (1 bottle containing either placebo/celecoxib and 1 bottle containing either cholecaliferol 400 IU/cholecaliferol 2,000 IU) for 30 days
Other Names:
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ACTIVE_COMPARATOR: placebo & cholecalciferol 2,000 IU
Placebo & cholecalciferol 2,000 IU
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Take 1 capsule from each bottle (1 bottle containing either placebo/celecoxib and 1 bottle containing either cholecaliferol 400 IU/cholecaliferol 2,000 IU) for 30 days
Other Names:
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EXPERIMENTAL: celecoxib 400mg & cholecalciferol 2,000 IU
celecoxib 400 mg & cholecalciferol2,000 IU
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Take 1 capsule from each bottle (1 bottle containing either placebo/celecoxib and 1 bottle containing either cholecaliferol 400 IU/cholecaliferol 2,000 IU) for 30 days
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
PG synthesis and metabolism, through the measurement of PGE2, COX-2 and 15-PGDH in the breast
Time Frame: approximately 30 days
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This will be measured from both baseline and completion samples 1. PG synthesis and metabolism, through the measurement of 15-PGDH, COX-2, and PGE2 in the breast Rationale: 1,25(OH)2D, the active form of vitamin D, has been shown in vitro to decrease PGE2 both by interfering with its production and by increasing its breakdown, leading to lower cell proliferation. Celecoxib potentiated the antiproliferative effect, allowing a much lower dose of each agent when used in combination than in isolation. |
approximately 30 days
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
proliferative activity in the breast and circulating levels of vitamin D and celecoxib, to determine if levels of these compounds correlate with response to markers of PG production, metabolism, or cell proliferation.
Time Frame: approximately 30 days
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This will be measured from both baseline and completion samples. 2. Proliferative activity in the breast, as measured by MD cell morphology Rationale: Both MD and NAF contain ductal epithelial cells, but MD samples contain more cells for cytologic review than NAF. Findings on MD cytology correlate with likelihood of breast cancer, NAF cytology relates to breast cancer risk and improves risk stratification, and bioactive food components can alter NAF cytology |
approximately 30 days
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Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Edward R. Sauter, MD, PhD, M.H.A, University of North Dakota
Study record dates
Study Major Dates
Study Start
Primary Completion (ACTUAL)
Study Completion (ACTUAL)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ESTIMATE)
Study Record Updates
Last Update Posted (ACTUAL)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Skin Diseases
- Neoplasms
- Neoplasms by Site
- Breast Diseases
- Breast Neoplasms
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Peripheral Nervous System Agents
- Enzyme Inhibitors
- Analgesics
- Sensory System Agents
- Anti-Inflammatory Agents, Non-Steroidal
- Analgesics, Non-Narcotic
- Anti-Inflammatory Agents
- Antirheumatic Agents
- Cyclooxygenase Inhibitors
- Micronutrients
- Vitamins
- Bone Density Conservation Agents
- Calcium-Regulating Hormones and Agents
- Cyclooxygenase 2 Inhibitors
- Vitamin D
- Cholecalciferol
- Celecoxib
Other Study ID Numbers
- 200807-001
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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