| Not Yet Recruiting | BAriaTric Surgery After Breast Cancer Treatment (BATS) NCT03946423 | Masonic Cancer Center, University of Minnesota | N/A |
| Recruiting | Biolosion Combined Standard Neoadjuvant Therapy to Treat Triple-negative Breast Cancer NCT06768931 | Sun Yat-sen University | Phase 2 |
| Not Yet Recruiting | Cryoablation Versus Lumpectomy in Early-Stage Breast Cancer NCT07483996 | Franciscus Gasthuis & Vlietland (Hospital) | Phase 3 |
| Not Yet Recruiting | Impact of Exercise on Quality of Life of EBC Patients on Treatment With Adjuvant AI With or Without CDK4/6 Inh NCT07215364 | Spanish Breast Cancer Research Group | N/A |
| Not Yet Recruiting | CDK4/6 Inhibitors Combined With Endocrine Therapy for Neoadjuvant Treatment NCT07366112 | Peking University People's Hospital | Phase 2 |
| Not Yet Recruiting | Shaving as an Safe Alternative to Frozen Section Analysis NCT07244588 | Mark Ezzat Gerges | N/A |
| Recruiting | Evaluating Minimal Residual Disease (MRD) Through Longitudinal Circulating Tumor DNA (ctDNA) Profiling in Brea NCT07211178 | Tempus AI | — |
| Recruiting | Evaluating the Use of a Medication 'Switch' vs Guideline-directed Interventions for Relieving Side Effects of NCT07071038 | Dartmouth-Hitchcock Medical Center | Phase 2 |
| Suspended | Pilot Trial of Preop Partial Radiation in Breast Cancer Patients NCT07178665 | Rutgers, The State University of New Jersey | Phase 1 |
| Recruiting | ctDNA-Guided De-Escalation of Adjuvant Chemotherapy With Dalpiciclib in HR-Positive/HER2-Negative Breast Cance NCT06970912 | Peking University People's Hospital | Phase 2 |
| Recruiting | Ketorolac and Pregabalin Effects on breaSt Cancer (KePreSt) NCT06150898 | Jules Bordet Institute | Phase 2 |
| Enrolling By Invitation | Multigene Risk Score Combined With Ki-67 Dynamic Assessment in Stratified Neoadjuvant Endocrine Therapy Treatm NCT06650748 | Peking University | Phase 2 |
| Recruiting | Ultra Hypo-fractionated Adjuvant Whole Breast Radiation Therapy With Simultaneous Integrated Boost for Early-S NCT06902311 | UNC Lineberger Comprehensive Cancer Center | Phase 2 |
| Recruiting | Diagnostic HER2DX-guided Treatment for Patients wIth Early-stage HER2-positive Breast Cancer NCT06446882 | Fundacio Clinic Barcelona | N/A |
| Recruiting | Gut Microbiome, Adverse Effects, and Markers Through MEtabolic Reprogramming NCT06536881 | Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins | N/A |
| Withdrawn | Evaluation of Hydroxychloroquine to Prevent CIPN NCT05689359 | University of Arizona | Phase 2 |
| Recruiting | Portable Scalp Cooling System (PSCS) to Prevent Hair Loss for Breast Cancer Patients (Cooler Heads) NCT06215469 | University of California, San Francisco | N/A |
| Enrolling By Invitation | VISION: Triple Negative Breast Cancer Sample and Clinical Data Acquisition Study NCT06409221 | Concr | — |
| Recruiting | Outcomes and Cosmesis With Whole Breast Irradiation and Boost NCT06295744 | University of Wisconsin, Madison | N/A |
| Recruiting | Paclitaxel-induced Polyneuropathy in Breast Cancer: Early Detection, Risk Factors, Quality of Life and Lifesty NCT06052345 | Theodoros Foukakis | — |
| Active Not Recruiting | Neoadjuvant Pyrotinib in HR-positive and HER2-low High-risk Early Breast Cancer NCT06144944 | Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University | Phase 3 |
| Active Not Recruiting | TRADE: Dose Escalation Tolerability of Abemaciclib in HR+ HER2- Early Stage Breast Cancer NCT06001762 | Dana-Farber Cancer Institute | Phase 2 |
| Unknown | Percent Weight Change in the Medical Supplement Group of Early Breast Cancer NCT06311357 | Department of Medical Services Ministry of Public Health of Thailand | N/A |
| Recruiting | Breast Cancer Exercise Intervention Study NCT05957068 | National Cancer Centre, Singapore | N/A |
| Recruiting | Genomics Guided Targeted Post-neoadjuvant Therapy in Patients With Early Breast Cancer (COGNITION-GUIDE) NCT05332561 | German Cancer Research Center | Phase 2 |
| Unknown | Effect of Salovum™ and SPC-Flakes™ on Abemaciclib-induced Gastrointestinal Toxicity in Early Breast Cancer NCT06152471 | Henrik Lindman | Phase 3 |
| Recruiting | Pyrotinib Plus Capecitabine for Adjuvant Treatment of HER2 Positive Early-stage Breast Cancer NCT06035016 | Peking Union Medical College Hospital | — |
| Recruiting | Evaluating Omission of Granulocyte Colony-stimulating Factors in Breast Cancer Patients Receiving Paclitaxel P NCT05753618 | Ottawa Hospital Research Institute | Phase 4 |
| Recruiting | Adjuvant Trastuzumab Plus Neratinib in Hormone Receptor-Positive/Human Epidermal Growth Factor Receptor 2-Posi NCT05760612 | Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University | Phase 3 |
| Recruiting | Cardioprotective Effect of Acute Exercise in Breast Cancer Patients NCT05467111 | Technical University of Madrid | N/A |
| Recruiting | Fudan University Shanghai Cancer Center Breast Cancer Precision Platform Series Study- Neoadjuvant Therapy NCT05582499 | Fudan University | Phase 2 |
| Recruiting | Statins for Reduction of Cardiac Toxicity in Patients Receiving HER2 Targeted NCT05559164 | Rutgers, The State University of New Jersey | Phase 2 |
| Completed | Preventing Chemotherapy-Induced Peripheral Neuropathy With Acupuncture (PACT Trial) NCT05528263 | Dana-Farber Cancer Institute | N/A |
| Active Not Recruiting | Three Antidiarrheal Strategies in HER2+/HR+ Early Breast Cancer Patients Treated With Extended Adjuvant Nerati NCT05252988 | Spanish Breast Cancer Research Group | Phase 2 |
| Active Not Recruiting | Study of Quality of Life and Hormone Levels in Premenopausal Participants With Early Breast Cancer Receiving T NCT05377684 | Ipsen | — |
| Recruiting | Cardiometabolic Screening Program NCT05386719 | Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins | N/A |
| Unknown | Effect of the App Bone@BC Version 4.0 Under the Follow-up for Patients With Early Breast Cancer NCT05280288 | Rigshospitalet, Denmark | N/A |
| Recruiting | Adopting the MRD Strategy to Optimize Post-operation Adjuvant Therapies for Early Stage Breast Cancer NCT05345860 | Cancer Institute and Hospital, Chinese Academy of Medical Sciences | N/A |
| Recruiting | BRE-04: Window of Opportunity Trial of Preoperative Low Dose Azacitidine in High-Risk Early Stage Breast Cance NCT04891068 | University of Illinois at Chicago | Phase 2 |
| Completed | A Randomized, Multicenter Pragmatic Trial Comparing Bone Pain From a Single Dose of Pegfilgrastim to 5 Doses o NCT04781959 | Ottawa Hospital Research Institute | Phase 4 |
| Active Not Recruiting | Hypofractionated Radiation Therapy vs Standard Treatment in Breast Cancer. NCT05318274 | Coordinación de Investigación en Salud, Mexico | N/A |
| Recruiting | Targeted Axillary Dissection (TAD) in Early-stage Node Positive Breast Cancer NCT04671511 | Jewish General Hospital | N/A |
| Recruiting | Trastuzumab Deruxtecan Alone or in Combination With Anastrozole for the Treatment of Early Stage HER2 Low, Hor NCT04553770 | Jonsson Comprehensive Cancer Center | Phase 2 |
| Recruiting | Exercise Therapy to Improve Cardiovascular Health in Post-Menopausal Women After Treatment for Early Stage Bre NCT04458532 | Memorial Sloan Kettering Cancer Center | N/A |
| Recruiting | SABER Study for Selected Early Stage Breast Cancer NCT04360330 | University of Miami | N/A |
| Completed | Axillary Staging in Early Breast Cancer: SNB vs PET/MRI NCT04829643 | IRCCS San Raffaele | N/A |
| Completed | Evaluating Optimal Timing of Endocrine Therapy and Radiation Therapy in Early-stage Breast Cancer (REaCT-RETT) NCT03948568 | Ottawa Hospital Research Institute | Phase 4 |
| Completed | Extension Study to Provide Adjuvant Treatment Following Neoadjuvant Treatment and Surgical Resection in Protoc NCT04109391 | Tanvex BioPharma USA, Inc. | Phase 3 |
| Unknown | ABUS for Early-stage Breast Cancer NCT04607473 | Samsung Medical Center | N/A |
| Unknown | Evaluating the Efficacy of Neratinib on Live Cell HER2 Signaling Transduction Analysis Positive Triple Negativ NCT03812393 | West Cancer Center | Phase 2 |
| Unknown | Deep Learning Algorithms for Prediction of Lymph Node Metastasis and Prognosis in Breast Cancer MRI Radiomics NCT04003558 | Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University | — |
| Terminated | Improving Pre-operative Systemic Therapy for Human Epidermal Growth Factor Receptor 2 (HER2) Amplified Breast NCT03894007 | Renske Altena | Phase 2 |
| Completed | Adjuvant Partial-breast Irradiation Using Stereotactic Body Radiation Therapy NCT06007118 | Masaryk Memorial Cancer Institute | N/A |
| Recruiting | COGNITION: Genomics-Guided Precision Oncology in Early High-Risk Breast Cancer NCT05906407 | German Cancer Research Center | — |
| Active Not Recruiting | IORT-Breast at Medical Center Navicent Health NCT04595435 | Wake Forest University Health Sciences | — |
| Active Not Recruiting | A Registry of Intra-Operative Radiation Therapy (IORT) Using the Xoft ® Axxent ® eBx ™ System Patients NCT03561454 | MedStar Franklin Square Medical Center | — |
| Unknown | Prospective Cohort Study of Traditional Chinese Medicine for Survival of Patients With Early Breast Cancer NCT03797248 | Chang Gung Memorial Hospital | — |
| Unknown | Intratumoral TriMix Injections in Early Breast Cancer Patients NCT03788083 | Universitair Ziekenhuis Brussel | Phase 1 |
| Completed | Comparing a Single-Dose vs. Twice Yearly Zoledronate in Patients With Early Stage Breast Cancer (REaCT-ZOL) NCT03664687 | Ottawa Hospital Research Institute | Phase 4 |
| Recruiting | Registry for Intra-Operative Radiotherapy During Breast Conserving Surgery in Patients With Early Stage Breast NCT04603209 | Saint John's Cancer Institute | — |
| Completed | The ConnectedCancerCare Pilot Study (CCC) NCT03618017 | University of Michigan Rogel Cancer Center | N/A |
| Unknown | Sentinel Lymph Node Identification in Patients With Breast Cancer Using SPECT/CT NCT03468374 | Assiut University | N/A |
| Unknown | A Window of Opportunity Study of Pre-operative Endocrine Therapy With and Without Prometrium in Postmenopausal NCT03906669 | St Vincent's Hospital | Phase 2 |
| Completed | Comparing Tapering Low Dose Dexamethasone to Other Standard of Care Therapies for TAPS in Breast Cancer Patien NCT03348696 | Ottawa Hospital Research Institute | Phase 4 |
| Completed | Testing of the Cancer Thriving and Surviving Breast Cancer Program NCT03651921 | Manuela Eicher | N/A |
| Completed | Registry Trial to Evaluate the Clinical Utilization of Targeted Axillary Dissection (TAD) NCT03102307 | Kliniken Essen-Mitte | — |
| Unknown | Shandong Cancer Hospital Affiliated to Shandong University NCT02958033 | Shandong Cancer Hospital and Institute | Phase 3 |
| Completed | Granulocyte-colony Stimulating Factors or Antibiotics for Primary Prophylaxis for Febrile Neutropenia NCT02816112 | Ottawa Hospital Research Institute | Phase 4 |
| Completed | A Study to Compare Administration Schedules of G-CSF (Filgrastim) for Primary Prophylaxis of Febrile Neutropen NCT02816164 | Ottawa Hospital Research Institute | Phase 4 |
| Completed | Avoiding Growth Factor During Paclitaxel Treatment in Breast Cancer NCT02698891 | Dana-Farber Cancer Institute | Phase 2 |
| Active Not Recruiting | Phase I Dose Escalation of Single Fraction Adjuvant Stereotactic Body Partial Breast Irradiation Early Stage B NCT02685332 | University of Texas Southwestern Medical Center | Phase 1 |
| Completed | A Pragmatic Trial of Ambulatory Toxicity Management in Patients Receiving Adjuvant or Neo-adjuvant Chemotherap NCT02485678 | Ontario Clinical Oncology Group (OCOG) | N/A |
| Unknown | Methylene Blue Intradermal Injection for Sentinel Lymph Node Biopsy for Breast Cancer Patients NCT02982148 | Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University | Phase 4 |
| Completed | A Multi Centre Study to Determine the Feasibility of Using an Integrated Consent Model to Compare Standard of NCT02428114 | Ottawa Hospital Research Institute | — |
| Completed | Evaluating Mass Spectrometry And Intraoperative MRI In The Advanced Multimodality Image Guided Operating Suite NCT02335671 | Dana-Farber Cancer Institute | N/A |
| Active Not Recruiting | Partial Breast Irradiation Using Interstitial Permanent Palladium-103 Seed Implant NCT02297672 | British Columbia Cancer Agency | N/A |
| Terminated | Targeted Intraoperative Therapy Registry at Bethesda North Hospital (TARGIT) NCT02364960 | TriHealth Inc. | — |
| Completed | A Randomized, Controlled Trial to Determine the Effects of an Exercise Intervention on Physical Activity Durin NCT02159157 | Dartmouth-Hitchcock Medical Center | N/A |
| Completed | Anti-proliferative Effects of Vitamin D and Melatonin in Breast Cancer NCT01965522 | Juravinski Cancer Center | Phase 2 |
| Completed | POWER-remote Weight Loss Program in Early Stage Breast Cancer NCT01871116 | Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins | N/A |
| Terminated | Pilot Study to Evaluate the Impact of Denosumab on Disseminated Tumor Cells (DTC) in Patients With Early Stage NCT01545648 | Hope Rugo, MD | Phase 2 |
| Completed | Cyberknife® Partial Breast Irradiation (PBI) for Early Stage Breast Cancer NCT01162200 | University of Texas Southwestern Medical Center | Phase 1 |
| Completed | Cyberknife for Early Stage Breast Cancer NCT03946683 | NYU Langone Health | N/A |
| Terminated | Impact of Breast Magnetic Resonance Imaging (MRI) on Mastectomy Rates NCT01166581 | Summa Health System | — |
| Recruiting | I-SPY TRIAL: Neoadjuvant and Personalized Adaptive Novel Agents to Treat Breast Cancer NCT01042379 | QuantumLeap Healthcare Collaborative | Phase 2 |
| Completed | Breast Cancer Diet Intervention Study NCT03886389 | Helse Stavanger HF | N/A |
| Terminated | Trial to Evaluate Genomic Expression Profiles to Direct Preoperative Chemotherapy in Early Stage Breast Cancer NCT00636441 | Duke University | Phase 2 |
| Unknown | Survey of Optical Values of the Breast Using Radiation-Free Pressure-Free Optical Scanning NCT00671385 | Spectros Corporation | — |
| Completed | Patient Centered Randomized Controlled Trial NCT00233077 | Icahn School of Medicine at Mount Sinai | N/A |
| Completed | A Couples Approach to Enhance Breast Cancer Survivorship NCT00665899 | University of North Carolina, Chapel Hill | N/A |
| Completed | Proton Therapy for Early Stage Breast Cancer NCT00614172 | Loma Linda University | N/A |
| Completed | Tangential Radiation Therapy Without Axillary Dissection in Breast Cancer NCT00165243 | Dana-Farber Cancer Institute | Phase 2 |
| Completed | Pooled Analysis of Patients With Early-stage Breast Cancer Treated With Adjuvant Dose-dense Sequential Chemoth NCT07521397 | Hellenic Cooperative Oncology Group | — |
| Completed | Randomized Study Comparing Pre- and Postoperative vs. Conventional Adjuvant Treatment in Receptor-negative Pat NCT00309569 | Austrian Breast & Colorectal Cancer Study Group | Phase 3 |
| Completed | Randomized Study Comparing CMF and Goserelin + Tamoxifen in Premenopausal Receptor-positive Patients NCT00309478 | Austrian Breast & Colorectal Cancer Study Group | Phase 3 |
| Completed | Randomized Study Comparing Tamoxifen vs. Tamoxifen + Aminoglutethimide in Postmenopausal Receptor-positive Pat NCT00309491 | Austrian Breast & Colorectal Cancer Study Group | Phase 3 |