CancerDrs

Breast Cancer clinical trials in Colorado

35 actively recruiting breast cancer trials at 28 sites across Colorado.

Data from ClinicalTrials.gov · last refreshed

Payments from drug makers to the doctors running these trials

For 1 of the trials on this page, the pharmaceutical company funding the trial also disclosed payments to the physicians leading it — public data from the federal CMS Open Payments database. Paying clinical-trial investigators for site work is expected and necessary for industry-funded trials; the scale and source are simply useful context when you're deciding whether to enroll. See the full breast cancer transparency page →

Phase 3 Recruiting Academic/Other

Evaluating the Addition of Adjuvant Chemotherapy to Ovarian Function Suppression Plus Endocrine Therapy in Premenopausal Patients With pN0-1, ER-Positive/HER2-Negative Breast Cancer and an Oncotype Recurrence Score Less Than or Equal to 25

This Phase III Trial will determine whether adjuvant chemotherapy (ACT) added to ovarian function suppression (OFS) plus endocrine therapy (ET) is superior to OFS plus ET in improving invasive breast cancer-free survival (IBCFS) among prem…

Sponsor: NRG Oncology
NCT ID: NCT05879926
Sites in Colorado:
  • UCHealth University of Colorado Hospital — Aurora, Colorado
  • Penrose-Saint Francis Healthcare — Colorado Springs, Colorado
  • Rocky Mountain Cancer Centers-Penrose — Colorado Springs, Colorado
  • UCHealth Memorial Hospital Central — Colorado Springs, Colorado
  • Memorial Hospital North — Colorado Springs, Colorado
View on ClinicalTrials.gov →
Phase 3 Recruiting Network

S1501 Dual Observational and Randomized Cohort Study of Patients With Metastatic HER-2+ Breast Cancer at Risk of Cardiac Toxicity

This trial has two cohorts of patients with human epidermal growth factor receptor (HER)-2-positive breast cancer that has spread to other places in the body. All patients must be receiving trastuzumab-based treatment. Both cohorts are bei…

Sponsor: SWOG Cancer Research Network
NCT ID: NCT03418961
Sites in Colorado:
  • Penrose-Saint Francis Healthcare — Colorado Springs, Colorado
  • Rocky Mountain Cancer Centers-Penrose — Colorado Springs, Colorado
  • Kaiser Permanente-Franklin — Denver, Colorado
  • Porter Adventist Hospital — Denver, Colorado
  • SCL Health Saint Joseph Hospital — Denver, Colorado
View on ClinicalTrials.gov →
Phase 3 Recruiting Academic/Other

E-Mindfulness Approaches for Living After Breast Cancer

NRG-CC015 is a prospective, randomized phase III clinical trial to evaluate the efficacy of two distinct digital approaches for delivering a mindfulness-based intervention: a live, instructor-led version delivered over Zoom (MAPs LO), and …

Sponsor: NRG Oncology
NCT ID: NCT06748222
Sites in Colorado:
  • UCHealth University of Colorado Hospital — Aurora, Colorado
  • UCHealth Memorial Hospital Central — Colorado Springs, Colorado
  • Memorial Hospital North — Colorado Springs, Colorado
View on ClinicalTrials.gov →
Phase 3 Recruiting Academic/Other

Testing Longer Duration Radiation Therapy Versus the Usual Radiation Therapy in Patients With Cancer That Has Spread to the Brain

This phase III trial compares the effectiveness of fractionated stereotactic radiosurgery (FSRS) to usual care stereotactic radiosurgery (SRS) in treating patients with cancer that has spread from where it first started to the brain. Radia…

Sponsor: NRG Oncology
NCT ID: NCT06500455
Sites in Colorado:
  • UCHealth University of Colorado Hospital — Aurora, Colorado
  • UCHealth Memorial Hospital Central — Colorado Springs, Colorado
  • Memorial Hospital North — Colorado Springs, Colorado
  • Poudre Valley Hospital — Fort Collins, Colorado
  • Cancer Care and Hematology-Fort Collins — Fort Collins, Colorado
View on ClinicalTrials.gov →
Phase 3 Recruiting Industry

An Adjuvant Endocrine-based Therapy Study of Camizestrant (AZD9833) in ER+/HER2- Early Breast Cancer (CAMBRIA-2)

This is a Phase III open-label study to assess if camizestrant improves outcomes compared to standard adjuvant endocrine therapy for patients with ER+/HER2- early breast cancer with intermediate-high or high risk for disease recurrence who…

Sponsor: AstraZeneca
NCT ID: NCT05952557
Sites in Colorado:
  • Research Site — Aurora, Colorado
  • Research Site — Littleton, Colorado
  • Research Site — Littleton, Colorado
View on ClinicalTrials.gov →
Phase 3 Recruiting Industry

A Study to Learn About the Study Medicine Called PF-07248144 in Combination With Fulvestrant in People With HR-positive, HER2-negative Advanced or Metastatic Breast Cancer Who Progressed After a Prior Line of Treatment.

The purpose of this study is to learn about the safety and effects of the study medicine PF-07248144 when given along with fulvestrant for the possible treatment of HR-positive, HER2-negative advanced or metastatic breast cancer. HR-positi…

Sponsor: Pfizer
NCT ID: NCT07062965
Sites in Colorado:
  • Rocky Mountain Cancer Centers LLP — Aurora, Colorado
  • Rocky Mountain Cancer Centers LLP — Boulder, Colorado
  • Rocky Mountain Cancer Centers LLP — Centennial, Colorado
  • Rocky Mountain Cancer Centers LLP — Colorado Springs, Colorado
  • Rocky Mountain Cancer Centers LLP — Colorado Springs, Colorado
View on ClinicalTrials.gov →
Phase 3 Recruiting Academic/Other

The CDK4/6 Inhibitor Dosing Knowledge (CDK) Study

The purpose of this study is to generate evidence on an alternative dosing strategy for CDK4/6 inhibitors to help more patients with Metastatic Breast Cancer (MBC) (age ≥ 65 years) tolerate side effects and stay on treatment longer, to der…

Sponsor: American Society of Clinical Oncology
NCT ID: NCT06377852
Sites in Colorado:
  • University of Colorado Anschutz Medical Campus — Aurora, Colorado
  • UCHealth Cherry Creek Medical Center — Denver, Colorado
  • UCHealth Highlands Ranch Hospital — Highlands Ranch, Colorado
View on ClinicalTrials.gov →
Phase 3 Recruiting Industry

A Study to Evaluate Efficacy and Safety of Giredestrant Compared With Fulvestrant (Plus a CDK4/6 Inhibitor), in Participants With ER-Positive, HER2-Negative Advanced Breast Cancer Resistant to Adjuvant Endocrine Therapy (pionERA Breast Cancer)

This is a Phase III, randomized, open-label multicenter study that will evaluate the efficacy and safety of giredestrant compared with fulvestrant, both in combination with the investigator's choice of a CDK4/6 inhibitor (palbociclib, ribo…

Sponsor: Hoffmann-La Roche
NCT ID: NCT06065748
Sites in Colorado:
  • Rocky Mountain Cancer Centers — Littleton, Colorado
View on ClinicalTrials.gov →
Phase 3 Recruiting Industry

A Clinical Study of Sacituzumab Tirumotecan (Sac-TMT, MK-2870) in People With Breast Cancer (MK-2870-032)

Researchers are looking for new ways to treat types of breast cancer that are both: * High-risk, which means the cancer may have a higher chance of getting worse or coming back after treatment * Early-stage, which means the cancer is in th…

Sponsor: Merck Sharp & Dohme LLC
NCT ID: NCT06966700
Sites in Colorado:
  • Intermountain Health Cancer Center Saint Joseph ( Site 0062) — Denver, Colorado
  • Rocky Mountain Cancer Centers (RMCC) ( Site 8006) — Denver, Colorado
  • Intermountain Health St. Mary's Regional Hospital ( Site 0054) — Grand Junction, Colorado
View on ClinicalTrials.gov →
Phase 3 Recruiting Industry

Saruparib (AZD5305) Plus Camizestrant Compared With CDK4/6 Inhibitor Plus Endocrine Therapy or Plus Camizestrant in HR-Positive, HER2-Negative (IHC 0, 1+, 2+/ ISH Non-amplified), BRCA1, BRCA2, or PALB2m Advanced Breast Cancer

The primary objective of the study is to measure efficacy of saruparib (AZD5305) plus camizestrant compared with physician's choice CDK4/6i plus ET in patients with BRCA1, BRCA2, or PALB2m, HR-positive, HER2-negative (defined as IHC 0, 1+,…

Sponsor: AstraZeneca
NCT ID: NCT06380751
Sites in Colorado:
  • Research Site — Aurora, Colorado
  • Research Site — Grand Junction, Colorado
View on ClinicalTrials.gov →
Phase 3 Recruiting Industry

Phase 3 Study to Evaluate the Efficacy and Safety of HER2/Neu Peptide GLSI-100 (GP2 + GM-CSF) in HER2/Neu Positive Subjects

This is a prospective, randomized, double-blinded, placebo-controlled, multi-center, Phase 3 study of GLSI-100 immunotherapy in HLA-A\*02 positive and HER2/neu positive subjects who are at high risk for disease recurrence and have complete…

Sponsor: Greenwich LifeSciences, Inc.
NCT ID: NCT05232916
Sites in Colorado:
  • Rocky Mountain Cancer Centers — Denver, Colorado
View on ClinicalTrials.gov →
Phase 3 Recruiting Industry

A Study Comparing the Efficacy and Safety of Zanidatamab to Trastuzumab, Each in Combination With Physician's Choice Chemotherapy, for the Treatment of Participants With Metastatic HER2-positive Breast Cancer

The efficacy and safety of zanidatamab in combination with physician's choice of chemotherapy compared with trastuzumab in combination with physician's choice of chemotherapy will be evaluated for the treatment of participants with metasta…

Sponsor: Jazz Pharmaceuticals
NCT ID: NCT06435429
Sites in Colorado:
  • University of Colorado-Cancer Center-PPDS — Aurora, Colorado
  • Rocky Mountain Cancer Centers — Denver, Colorado
View on ClinicalTrials.gov →
Phase 2, Phase 3 Recruiting Industry

A Study of Izalontamab Brengitecan Versus Chemotherapy in Participants With Previously Untreated, Locally Advanced, Recurrent Inoperable, or Metastatic Triple-negative Breast Cancer Ineligible for Anti-PD(L)1 Drugs (IZABRIGHT-Breast01)

The purpose of this study is to assess the efficacy and safety of iza-bren, a bi-specific antibody-drug conjugate against EGFR and HER3 with a topoisomerase inhibitor payload versus treatment of physician's choice (TPC) (paclitaxel, nab-pa…

Sponsor: Bristol-Myers Squibb
NCT ID: NCT06926868
Sites in Colorado:
  • Local Institution - 0289 — Aurora, Colorado
  • Rocky Mountain Cancer Centers — Denver, Colorado
View on ClinicalTrials.gov →
Phase 3 Recruiting Academic/Other

Intensity Modulated Radiotherapy (IMRT) vs. 3D-conformal Accelerated Partial Breast Irradiation (APBI) for Early Stage Breast Cancer After Lumpectomy

In the setting of radiotherapy as part of breast-conservation therapy for patients with early stage breast cancer, the novel planning and delivery method of intensity modulated radiotherapy is an effective and safe alternative to the commo…

Sponsor: Rocky Mountain Cancer Centers
NCT ID: NCT01185132
Sites in Colorado:
  • Rocky Mountain Cancer Centers - Aurora — Aurora, Colorado
  • Rocky Mountain Cancer Centers - Boulder — Boulder, Colorado
  • Rocky Mountain Cancer Centers - Lakewood — Lakewood, Colorado
  • Rocky Mountain Cancer Centers - Littleton — Littleton, Colorado
  • Rocky Mountain Cancer Centers - Thornton — Thornton, Colorado
View on ClinicalTrials.gov →
Phase 2 Recruiting NIH

Targeted Therapy Directed by Genetic Testing in Treating Patients With Locally Advanced or Advanced Solid Tumors, The ComboMATCH Screening Trial

This ComboMATCH patient screening trial is the gateway to a coordinated set of clinical trials to study cancer treatment directed by genetic testing. Patients with solid tumors that have spread to nearby tissue or lymph nodes (locally adva…

Sponsor: National Cancer Institute (NCI)
NCT ID: NCT05564377
Sites in Colorado:
  • UCHealth University of Colorado Hospital — Aurora, Colorado
  • Poudre Valley Hospital — Fort Collins, Colorado
  • Cancer Care and Hematology-Fort Collins — Fort Collins, Colorado
  • UCHealth Greeley Hospital — Greeley, Colorado
  • Medical Center of the Rockies — Loveland, Colorado
View on ClinicalTrials.gov →
Phase 2 Recruiting Industry

A Study of Alisertib in Combination With Endocrine Therapy in Patients With HR-positive, HER2-negative Recurrent or Metastatic Breast Cancer

PUMA-ALI-1201 is a randomized, dose optimization, multicenter, Phase 2 study of alisertib administered in combination with endocrine therapy in participants with pathology-confirmed HR-positive/HER2-negative metastatic breast cancer (MBC) …

Sponsor: Puma Biotechnology, Inc.
NCT ID: NCT06369285
Sites in Colorado:
  • University of Colorado School of Medicine — Aurora, Colorado
View on ClinicalTrials.gov →
Phase 2 Recruiting Industry

Efficacy and Safety Study of Halneuron in the Treatment of Chemotherapy-Induced Neuropathic Pain

A randomized study to determine safety and efficacy of a series of subcutaneous (SC) injections of HAL in patients with CINP, compared to matching placebo injections. After that, subjects may have the option to enter an Open Label extensio…

Sponsor: Dogwood Therapeutics Inc.
NCT ID: NCT06848348
Sites in Colorado:
  • Central Recruiting Site — Wheat Ridge, Colorado
View on ClinicalTrials.gov →
Phase 1, Phase 2 Recruiting Industry

SMP-3124LP in Adults With Advanced Solid Tumors

An Open-label, Phase I Dose Escalation and Phase 2 Dose Expansion Study to Assess Safety, Tolerability, Preliminary Antitumor Activity of SMP 3124LP in Adults with Advanced Solid Tumors

Sponsor: Sumitomo Pharma America, Inc.
NCT ID: NCT06526819
Sites in Colorado:
  • Sarah Cannon Research Institute at HealthOne — Denver, Colorado
View on ClinicalTrials.gov →
Phase 1, Phase 2 Recruiting Industry

Phase 1a and Phase 2 Study for Safety, Preliminary Efficacy, PK and PD of ST-067

This is a multiphase, multicenter study, which includes a Phase 1a open-label, dose escalation monotherapy study of ST-067 given as an SC injection with or without obinutuzumab \[Gazyva®\] pre-treatment, by IV infusion, and in combination …

Sponsor: Simcha IL-18, Inc.
NCT ID: NCT04787042
Sites in Colorado:
  • Sarah Cannon Research Institute at HealthONE — Denver, Colorado
View on ClinicalTrials.gov →
Phase 2 Recruiting Academic/Other

Telehealth Exercise Program Evaluating Fatigue and Physical Function in Rural Cancer Survivors

This study investigates the efficacy of a telehealth exercise program designed specifically for rural cancer survivors with cancer-related fatigue (CRF). Small dried blood samples and measures of physical function will be collected through…

Sponsor: University of Colorado, Denver
NCT ID: NCT07001241
Sites in Colorado:
  • University of Colorado Anschutz Medical Campus — Aurora, Colorado
View on ClinicalTrials.gov →
Phase 1 Recruiting Industry

TTX-080 HLA-G Antagonist in Subjects With Advanced Cancers

TTX-080-001 is a Phase 1, open label, dose escalation and dose expansion clinical study to determine the safety, tolerability, and recommended Phase 2 dose of TTX-080 monotherapy (HLA-G inhibitor) and in combination with either pembrolizum…

Sponsor: Tizona Therapeutics, Inc
NCT ID: NCT04485013
Sites in Colorado:
  • Rocky Mountain Cancer Centers — Denver, Colorado
View on ClinicalTrials.gov →
Phase 1 Recruiting Industry

BGB-43395 Alone or as Part of Combination Therapies in Participants With Breast Cancer and Other Advanced Solid Tumors

This is a dose escalation and dose expansion study to compare how well BGB-43395, a selective cyclin-dependent kinase 4 (CDK4) inhibitor, works as monotherapy or in combination with fulvestrant, letrozole, or elacestrant in participants wi…

Sponsor: BeOne Medicines
NCT ID: NCT06120283
Sites in Colorado:
  • Sarah Cannon Research Institute (Scri) At Health One — Denver, Colorado
View on ClinicalTrials.gov →

Showing 25 of 35 trials with sites in Colorado. See all breast cancer trials →

Medical disclaimer: This page aggregates public ClinicalTrials.gov data. It is not medical advice. Always confirm eligibility and enrollment details with the trial site or your oncologist.

Source: ClinicalTrials.gov API v2 · Last checked: 2026-07-27