CancerDrs

Breast Cancer clinical trials in Colorado

29 actively recruiting breast cancer trials at 27 sites across Colorado.

Data from ClinicalTrials.gov · last refreshed

Payments from drug makers to the doctors running these trials

For 2 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

De-Escalation of Breast Radiation Trial for Hormone Sensitive, HER-2 Negative, Oncotype Recurrence Score Less Than or Equal to 18 Breast Cancer (DEBRA)

This Phase III Trial evaluates whether breast conservation surgery and endocrine therapy results in a non-inferior rate of invasive or non-invasive ipsilateral breast tumor recurrence (IBTR) compared to breast conservation with breast radi…

Sponsor: NRG Oncology
NCT ID: NCT04852887
Sites in Colorado:
  • UCHealth University of Colorado Hospital — Aurora, Colorado
  • Rocky Mountain Cancer Centers-Boulder — Boulder, Colorado
  • Penrose-Saint Francis Healthcare — Colorado Springs, Colorado
  • UCHealth Memorial Hospital Central — Colorado Springs, Colorado
  • Saint Francis Cancer Center — Colorado Springs, Colorado
View on ClinicalTrials.gov →
Phase 3 Recruiting Academic/Other

ShortStop-HER2: 12 Months vs. 6 Months of HER2-targeted Medications for People With HER2+ Breast Cancer Who Had a Pathologic Complete Response After Chemotherapy Plus Trastuzumab

This phase III trial compares 6 months of human epidermal growth factor receptor 2 (HER2)-targeted therapy to 12 months of HER2-targeted therapy for the treatment of HER2-positive (+) breast cancer in patients that had a pathologic complet…

Sponsor: Alliance for Clinical Trials in Oncology
NCT ID: NCT06876714
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 NIH

Adding an Immunotherapy Drug, MEDI4736 (Durvalumab), to the Usual Chemotherapy Treatment (Paclitaxel, Cyclophosphamide, and Doxorubicin) for Stage II-III Breast Cancer

This phase III trial compares the addition of an immunotherapy drug (durvalumab) to usual chemotherapy versus usual chemotherapy alone in treating patients with MammaPrint High 2 Risk (MP2) stage II-III hormone receptor positive, HER2 nega…

Sponsor: National Cancer Institute (NCI)
NCT ID: NCT06058377
Sites in Colorado:
  • UCHealth University of Colorado Hospital — Aurora, Colorado
  • UCHealth - Cherry Creek — Denver, Colorado
  • Shaw Cancer Center — Edwards, Colorado
  • Poudre Valley Hospital — Fort Collins, Colorado
  • Cancer Care and Hematology-Fort Collins — Fort Collins, 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 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

Sacituzumab Tirumotecan (MK-2870) Plus Pembrolizumab Versus TPC in TNBC Who Did Not Achieve pCR (MK-2870-012)

This is a randomized, open-label study comparing the efficacy and safety of adjuvant sacituzumab tirumotecan (MK-2870) in combination with pembrolizumab compared to treatment of physician's choice (TPC) in participants with triple-negative…

Sponsor: Merck Sharp & Dohme LLC
NCT ID: NCT06393374
Sites in Colorado:
  • Cancer Centers of Colorado St. Mary's Regional Hospital ( Site 0046) — Grand Junction, Colorado
View on ClinicalTrials.gov →
Phase 3 Recruiting Industry

OP-1250 (Palazestrant) vs. Standard of Care for the Treatment of ER+/HER2- Advanced Breast Cancer

This phase 3 clinical trial compares the safety and efficacy of palazestrant (OP-1250) to the standard-of-care options of fulvestrant or an aromatase inhibitor in women and men with breast cancer whose disease has advanced on one endocrine…

Sponsor: Olema Pharmaceuticals, Inc.
NCT ID: NCT06016738
Sites in Colorado:
  • Clinical Trial Site — Aurora, Colorado
  • Clinical Trial Site — Denver, Colorado
  • Clinical Trial Site — Golden, Colorado
  • Clinical Trial Site — Grand Junction, Colorado
View on ClinicalTrials.gov →
Phase 3 Recruiting Industry

A Study of Sacituzumab Tirumotecan (MK-2870) as a Single Agent and in Combination With Pembrolizumab (MK-3475) Versus Treatment of Physician's Choice in Participants With HR+/HER2- Unresectable Locally Advanced or Metastatic Breast Cancer (MK-2870-010)

The purpose of this study is to compare sacituzumab tirumotecan as a single agent, and in combination with pembrolizumab, versus Treatment of Physician's Choice (TPC) in participants with hormone receptor positive/human epidermal growth fa…

Sponsor: Merck Sharp & Dohme LLC
NCT ID: NCT06312176
Sites in Colorado:
  • University of Colorado Anschutz Medical Campus ( Site 0061) — Aurora, Colorado
  • UCHealth Cherry Creek Medical Center ( Site 0094) — Denver, Colorado
  • University of Colorado Health - Highlands Ranch Hospital ( Site 0095) — Highlands Ranch, Colorado
View on ClinicalTrials.gov →
Phase 3 Recruiting Industry

A Clinical Study of Patritumab Deruxtecan to Treat Breast Cancer (MK-1022-016)

Researchers are looking for other ways to treat breast cancer (BC) that is hormone receptor-positive and human epidermal growth factor receptor 2-negative (HR+/HER2-) and either unresectable locally advanced or metastatic. * HR positive (H…

Sponsor: Merck Sharp & Dohme LLC
NCT ID: NCT07060807
Sites in Colorado:
  • St. Marys Hospital and Regional Medical Center-SCL Health Cancer Centers of Colorado ( Site 0021) — Grand Junction, 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 Academic/Other

I-SPY TRIAL: Neoadjuvant and Personalized Adaptive Novel Agents to Treat Breast Cancer

The purpose of this study is to further advance the ability to practice personalized medicine by learning which new drug agents are most effective with which types of breast cancer tumors and by learning more about which early indicators o…

Sponsor: QuantumLeap Healthcare Collaborative
NCT ID: NCT01042379
Sites in Colorado:
  • University of Colorado Cancer Center — Aurora, 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 NIH

Testing the Addition of an Individualized Vaccine to Durvalumab and Tremelimumab and Chemotherapy in Patients With Metastatic Triple Negative Breast Cancer

This phase II trial studies how well nab-paclitaxel, durvalumab, and tremelimumab with or without personalized synthetic long peptide vaccine (neoantigen vaccine) works in treating patients with triple negative breast cancer that has sprea…

Sponsor: National Cancer Institute (NCI)
NCT ID: NCT03606967
Sites in Colorado:
  • UCHealth University of Colorado Hospital — Aurora, Colorado
View on ClinicalTrials.gov →
Phase 2 Recruiting Industry

A Pivotal Phase II Clinical Trial of Utidelone Injection Plus Capecitabine in HER2-negative Breast Cancer Patients With Brain Metastases

This study is a multicenter, two-stage clinical trial to evaluate the efficacy and safety of utidelone in combination with capecitabine in patients with HER2-negative breast cancer with brain metastases. Patients will be enrolled to receiv…

Sponsor: Biostar Pharma, Inc.
NCT ID: NCT06764940
Sites in Colorado:
  • University Of Colorado Hospital - Anschutz Cancer Pavilion — Aurora, Colorado
View on ClinicalTrials.gov →
Phase 1, Phase 2 Recruiting Industry

Safety and Tolerability of TNG462 in Patients With MTAP-deleted Solid Tumors

This is a first in human study in patients with advanced or metastatic solid tumors known to have an MTAP deletion. The first part of the study is an open-label, dose escalation and the second part is an open label dose expansion in specif…

Sponsor: Tango Therapeutics, Inc.
NCT ID: NCT05732831
Sites in Colorado:
  • Grand Valley Oncology — Grand Junction, 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

A Study of PARP1 Selective Inhibitor, EIK1004 (IMP1707) in Participants With Advanced Solid Tumors.

This study will evaluate the safety, tolerability, and preliminary efficacy of EIK1004 (IMP1707) in participants with recurrent advanced/metastatic breast cancer, ovarian cancer, metastatic castrate resistant prostate cancer (mCRPC) and pa…

Sponsor: Eikon Therapeutics
NCT ID: NCT06907043
Sites in Colorado:
  • Sarah Cannon Research Institute at HealthOne — Denver, Colorado
View on ClinicalTrials.gov →
Phase 1 Recruiting Industry

A Phase 1/1b Study of IAM1363 in HER2 Cancers

This is a Phase 1/1b open-label, multi-center dose escalation and dose optimization study designed to evaluate the safety and preliminary efficacy of IAM1363 in participants with advanced cancers that harbor HER2 alterations.

Sponsor: Iambic Therapeutics, Inc
NCT ID: NCT06253871
Sites in Colorado:
  • University of Colorado Cancer Center — Aurora, 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 →
Phase 1 Recruiting Academic/Other

Study of Psilocybin Assisted Psychotherapy to Address Fear of Recurrence

The goal of this clinical trial is to test whether psilocybin along with therapy in women with early breast cancer and ovarian cancer in remission can improve their fear of recurrence. The main question\[s\] it aims to answer \[is/are\]: D…

Sponsor: University of Colorado, Denver
NCT ID: NCT06430541
Sites in Colorado:
  • Outpatient CTRC — Aurora, Colorado
  • University of Colorado Cancer Center — Aurora, Colorado
View on ClinicalTrials.gov →
NA Recruiting Network

Improving Adolescent and Young Adult Self-Reported Data in ECOG-ACRIN Trials

The purpose of this study is to evaluate feasibility and acceptability of completing PROs among AYAs randomized to Choice PRO vs Fixed PRO.

Sponsor: Eastern Cooperative Oncology Group
NCT ID: NCT05108298
Sites in Colorado:
  • Rocky Mountain Cancer Centers-Aurora — Aurora, Colorado
  • The Medical Center of Aurora — Aurora, Colorado
  • Boulder Community Foothills Hospital — Boulder, Colorado
  • Rocky Mountain Cancer Centers-Boulder — Boulder, Colorado
  • Rocky Mountain Cancer Centers - Centennial — Centennial, Colorado
View on ClinicalTrials.gov →
Recruiting Industry

MammaPrint, BluePrint, and Full-genome Data Linked With Clinical Data to Evaluate New Gene EXpression Profiles

The FLEX Registry will be implemented to operate as a large-scale, population based, prospective registry. All patients with stage I to III breast cancer who receive MammaPrint® and BluePrint testing on a primary breast tumor are eligible …

Sponsor: Agendia
NCT ID: NCT03053193
Sites in Colorado:
  • Rocky Mountain Cancer Centers — Aurora, Colorado
  • University of Colorado Cancer Center — Aurora, Colorado
  • Comprehensive Breast Care of Denver — Denver, Colorado
  • Rocky Mountain Cancer Center - Lakewood — Lakewood, Colorado
  • Vail Health - Shaw Cancer Center — Vail, Colorado
View on ClinicalTrials.gov →
Recruiting Industry

SYNERGY-AI: Artificial Intelligence Based Precision Oncology Clinical Trial Matching and Registry

International registry for cancer patients evaluating the feasibility and clinical utility of an Artificial Intelligence-based precision oncology clinical trial matching tool, powered by a virtual tumor boards (VTB) program, and its clinic…

Sponsor: Massive Bio, Inc.
NCT ID: NCT03452774
Sites in Colorado:
  • Massive Bio SYNERGY-AI site — Aurora, Colorado
  • Massive Bio SYNERGY-AI site — Denver, Colorado
  • Massive Bio SYNERGY-AI site — Littleton, Colorado
View on ClinicalTrials.gov →

Showing 25 of 29 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: 2026-08-10