CancerDrs

Breast Cancer clinical trials in Missouri

38 actively recruiting breast cancer trials at 25 sites across Missouri.

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

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 Missouri:
  • Saint Francis Medical Center — Cape Girardeau, Missouri
  • Siteman Cancer Center at Saint Peters Hospital — City of Saint Peters, Missouri
  • MU Health - University Hospital/Ellis Fischel Cancer Center — Columbia, Missouri
  • Siteman Cancer Center at West County Hospital — Creve Coeur, Missouri
  • Parkland Health Center - Farmington — Farmington, Missouri
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 Missouri:
  • Mercy Oncology and Hematology - Clayton-Clarkson — Ballwin, Missouri
  • Central Care Cancer Center - Bolivar — Bolivar, Missouri
  • Cox Cancer Center Branson — Branson, Missouri
  • Mercy Cancer Center - Cape Girardeau — Cape Girardeau, Missouri
  • Saint Francis Medical Center — Cape Girardeau, Missouri
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 Missouri:
  • Mercy Oncology and Hematology - Clayton-Clarkson — Ballwin, Missouri
  • Saint Francis Medical Center — Cape Girardeau, Missouri
  • Siteman Cancer Center at Saint Peters Hospital — City of Saint Peters, Missouri
  • MU Health - University Hospital/Ellis Fischel Cancer Center — Columbia, Missouri
  • Siteman Cancer Center at West County Hospital — Creve Coeur, Missouri
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 Missouri:
  • Lake Regional Hospital — Osage Beach, Missouri
  • Heartland Regional Medical Center — Saint Joseph, Missouri
  • Mercy Hospital Springfield — Springfield, Missouri
  • Mercy Hospital South — St Louis, Missouri
  • Missouri Baptist Medical Center — St Louis, Missouri
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 Missouri:
  • Research Site — Kansas City, Missouri
  • Research Site — St Louis, Missouri
  • Research Site — St Louis, Missouri
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 Missouri:
  • SSM Health Cancer Care - Fenton ( Site 0088) — Fenton, Missouri
  • Lake Regional Hospital ( Site 0009) — Osage Beach, Missouri
  • Siteman Cancer Center ( Site 0099) — St Louis, Missouri
View on ClinicalTrials.gov →
Phase 3 Recruiting Academic/Other

Testing Proton Craniospinal Radiation Therapy Versus the Usual Radiation Therapy for Leptomeningeal Metastasis, RADIATE-LM Trial

This phase III trial compares proton craniospinal irradiation (pCSI) to involved-field radiation therapy (IFRT) for the treatment of breast or non-small cell lung cancer that has spread from where it first started to the cerebrospinal flui…

Sponsor: NRG Oncology
NCT ID: NCT06500481
Sites in Missouri:
  • Siteman Cancer Center at Saint Peters Hospital — City of Saint Peters, Missouri
  • Siteman Cancer Center at West County Hospital — Creve Coeur, Missouri
  • University of Kansas Cancer Center - North — Kansas City, Missouri
  • University of Kansas Cancer Center - Lee's Summit — Lee's Summit, Missouri
  • Mercy Hospital Springfield — Springfield, Missouri
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 Missouri:
  • Saint Luke's Cancer Institute ( Site 0027) — Kansas City, Missouri
  • Washington University School of Medicine ( Site 0076) — St Louis, Missouri
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 Missouri:
  • Saint Francis Medical Center — Cape Girardeau, Missouri
  • Saint Luke's Hospital — Chesterfield, Missouri
  • Siteman Cancer Center at Saint Peters Hospital — City of Saint Peters, Missouri
  • Siteman Cancer Center at West County Hospital — Creve Coeur, Missouri
  • Parkland Health Center - Farmington — Farmington, Missouri
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 Missouri:
  • Missouri Cancer Associates — Columbia, Missouri
  • Saint Luke's Cancer Institute — Kansas City, Missouri
  • Oncology Hematology Associates — Springfield, Missouri
  • Washington University School of Medicine — St Louis, Missouri
View on ClinicalTrials.gov →
Phase 2 Recruiting Industry

A Study to Assess the Efficacy and Safety of FORE8394 in Participants With Cancer Harboring BRAF Alterations

The objective of this Master Protocol is to evaluate the efficacy and safety of plixorafenib in participants with BRAF altered (BRAF V600E or BRAF fusions) locally advanced or metastatic solid tumors, or recurrent or progressive primary ce…

Sponsor: Fore Biotherapeutics
NCT ID: NCT05503797
Sites in Missouri:
  • Mosaic Life Care at Saint Joseph - Medical Center — Saint Joseph, Missouri
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 Missouri:
  • Siteman Cancer Center at Saint Peters Hospital — City of Saint Peters, Missouri
  • Siteman Cancer Center at West County Hospital — Creve Coeur, Missouri
  • Washington University School of Medicine — St Louis, Missouri
  • Siteman Cancer Center-South County — St Louis, Missouri
  • Siteman Cancer Center at Christian Hospital — St Louis, Missouri
View on ClinicalTrials.gov →
Phase 1, Phase 2 Recruiting Industry

A Phase 1/2 Trial of TER-2013 in Patients With Solid Tumors Harboring AKT/PI3K/PTEN Pathway Alterations

This is a Phase 1/2, open-label, multicenter study evaluating the safety, tolerability, pharmacokinetics, pharmacodynamics and anti-tumor activity of TER-2013 in patients with advanced solid tumors harboring AKT/PI3K/PTEN pathway alteratio…

Sponsor: Terremoto Biosciences Inc.
NCT ID: NCT07109726
Sites in Missouri:
  • Washington Univ. School of Medicine — St Louis, Missouri
View on ClinicalTrials.gov →
Phase 2 Recruiting Academic/Other

Trial of Neoadjuvant THP vs TCHP for HER2-Amplified/Positive Breast Cancer

This is a randomized phase II study to evaluate the pathological complete response (pCR) rate with two neoadjuvant regimens (Docetaxel+Carboplatin+Herceptin/Perjeta and Docetaxel+Herceptin/Perjeta) in HER2 amplified/positive early breast c…

Sponsor: University of Kansas Medical Center
NCT ID: NCT07220135
Sites in Missouri:
  • The University of Kansas Cancer Center - North — Kansas City, Missouri
  • KUCC - Lee's Summit — Lee's Summit, Missouri
View on ClinicalTrials.gov →
Phase 1, Phase 2 Recruiting Industry

A First-in-human Dose Escalation and Expansion Study to Evaluate the Safety, and Tolerability of AZD8421 Alone or in Combination in Participants With Selected Advanced or Metastatic Solid Tumors

This study is designed to evaluate AZD8421 alone and in combination with selected targeted anti-cancer drugs in patients with ER+HER2- advanced breast cancer, and patients with metastatic high-grade serious ovarian cancer.

Sponsor: AstraZeneca
NCT ID: NCT06188520
Sites in Missouri:
  • Research Site — St Louis, Missouri
View on ClinicalTrials.gov →
Phase 2 Recruiting Industry

Study to Evaluate the Safety and Tolerability of Camizestrant in Combination With Atirmociclib in Women With Advanced Breast Cancer

A study to investigate camizestrant in combination with atirmociclib in participants with estrogen receptor (ER)-positive, human epidermal growth factor receptor 2 (HER2)-negative advanced breast cancer previously treated with a cyclin dep…

Sponsor: AstraZeneca
NCT ID: NCT07427394
Sites in Missouri:
  • Research Site — St Louis, Missouri
View on ClinicalTrials.gov →
Phase 2 Recruiting Academic/Other

Functional Imaging in Prediction of Response to Abemaciclib for Advanced Hormone Receptor-Positive, HER2-Negative Breast Cancer

This phase II trial tests the accuracy of functional imaging (FFNP)-positron emission tomography (PET)/computed tomography (CT) to predict response to abemaciclib plus endocrine therapy. Abemaciclib is a drug used to treat certain types of…

Sponsor: University of Washington
NCT ID: NCT06179303
Sites in Missouri:
  • Siteman Cancer Center at Washington University — St Louis, Missouri
View on ClinicalTrials.gov →
Phase 2 Recruiting Academic/Other

Endocrine Treatment Alone for Elderly Patients With Estrogen Receptor Positive Operable Breast Cancer and Low Recurrence Score

Multiple neoadjuvant endocrine trials demonstrate that women with good prognosis tumors can be identified. These trials have also demonstrated that there are not adverse effects on overall outcome if women are treated with neoadjuvant endo…

Sponsor: Washington University School of Medicine
NCT ID: NCT02476786
Sites in Missouri:
  • Washington University School of Medicine — St Louis, Missouri
View on ClinicalTrials.gov →
Phase 2 Recruiting Academic/Other

Ultra-Hypofractionated vs. Hypofractionated Radiation for Node-Positive Breast Cancer

In breast cancer patients with nodal involvement, numerous studies have demonstrated that adjuvant radiation therapy reduces the risk of local recurrence, regional recurrence, and distant metastases, in addition to improving survival. The …

Sponsor: Washington University School of Medicine
NCT ID: NCT06559540
Sites in Missouri:
  • Washington University School of Medicine — St Louis, Missouri
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 Missouri:
  • Saint Luke's Cancer Institute — Kansas City, Missouri
  • Washington University School of Medicine — St Louis, Missouri
View on ClinicalTrials.gov →
Phase 1 Recruiting Industry

Study of XB010 in Subjects With Solid Tumors

This is a FIH study is to evaluate the safety, tolerability, PK, immunogenicity, and preliminary antitumor activity of XB010 as a single agent and in combination with pembrolizumab in subjects with locally advanced or metastatic solid tumo…

Sponsor: Exelixis
NCT ID: NCT06545331
Sites in Missouri:
  • Siteman Cancer Center — St Louis, Missouri
View on ClinicalTrials.gov →
Phase 1 Recruiting Industry

A Study of LY4257496 in Participants With Cancer (OMNIRAY)

The main purpose of this study is to evaluate safety, tolerability, and efficacy of LY4257496 alone and as part of relevant standard of care (SOC) combination therapy in participants with Gastrin-releasing Peptide Receptor (GRPR)-positive …

Sponsor: Eli Lilly and Company
NCT ID: NCT07114601
Sites in Missouri:
  • Washington University — St Louis, Missouri
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 Missouri:
  • Washington University School of Medicine — St Louis, Missouri
View on ClinicalTrials.gov →

Showing 25 of 38 trials with sites in Missouri. 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