Sulindac and Breast Density in Women at Risk of Developing Breast Cancer

NCT ID: NCT04542135

Last Updated: 2025-06-03

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

62 participants

Study Classification

INTERVENTIONAL

Study Start Date

2020-11-20

Study Completion Date

2025-05-19

Brief Summary

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The primary objective of this study is to determine if sulindac at a dose of 150 mg twice a day for 12 months reduces breast density in postmenopausal women at elevated risk of breast cancer when compared to a placebo control.

Detailed Description

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Conditions

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Breast Cancer

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Investigators

Study Groups

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Sulindac

sulindac 150 mg

Group Type ACTIVE_COMPARATOR

Sulindac Pill

Intervention Type DRUG

Randomized participants will receive either 150 mg oral sulindac twice daily.

Placebo

placebo pill

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

placebo pills twice daily

Interventions

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Sulindac Pill

Randomized participants will receive either 150 mg oral sulindac twice daily.

Intervention Type DRUG

Placebo

placebo pills twice daily

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

1. Age ≤70 years
2. Subject must be postmenopausal.
3. Must have at least one healthy normal appearing breast (no prior diagnosis of invasive cancer, radiation or prosthetics). Prior biopsies are acceptable.
4. Must have dense breasts
5. Must be at elevated risk for developing breast cancer by abnormal pathological findings, family history, or genetic predisposition
6. A negative fecal occult blood test
7. Normal organ function
8. Hormonal therapy with aromatase inhibitors is allowed

Exclusion Criteria

1. Daily aspirin or other daily anti inflammatory use.
2. Known intolerance to anti inflammatory.
3. Use of any selective estrogen receptor modulator therapy (e.g., tamoxifen, raloxifene) within past 12 months
4. Gastrointestinal, bleeding or coagulation, cardiovascular disorders.
5. Diabetes requiring insulin therapy.
6. Current regular smoker.
7. History of claustrophobia or inability to undergo imaging in a closed magnetic resonance imaging.
8. Cardiac pacemaker, cochlear implants, magnetic surgical clips or prostheses that would preclude MRI.
9. Uncontrolled hypertension.
Minimum Eligible Age

35 Years

Maximum Eligible Age

70 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

No

Sponsors

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Medical University of South Carolina

OTHER

Sponsor Role collaborator

Cedars-Sinai Medical Center

OTHER

Sponsor Role collaborator

Alison Stopeck

OTHER

Sponsor Role lead

Responsible Party

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Alison Stopeck

Principal Investigator

Responsibility Role SPONSOR_INVESTIGATOR

Principal Investigators

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Alison S Stopeck, MD

Role: PRINCIPAL_INVESTIGATOR

Stony Brook University

Patricia A Thompson-Carino, PhD

Role: PRINCIPAL_INVESTIGATOR

University of Arizona

Locations

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Cedars Sinai - Cancer

Los Angeles, California, United States

Site Status

Stony Brook University Cancer Center

Stony Brook, New York, United States

Site Status

Countries

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United States

Other Identifiers

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STOP-BC Trial

Identifier Type: -

Identifier Source: org_study_id

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