Experienced in Breast Cancer

Dr. Leon C. Hwang

Hematology Oncology | Oncology
Kaiser Permanente
Kaiser Gaithersburg
655 Watkins Mill Road, 
Gaithersburg, MD 
Clinical Trials:Currently Recruiting for 4 Trials
Accepting New Patients
Experienced in Breast Cancer
Kaiser Permanente
Kaiser Gaithersburg
655 Watkins Mill Road, 
Gaithersburg, MD 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Leon Hwang is a Hematologist Oncology specialist and an Oncologist in Gaithersburg, Maryland. Dr. Hwang is rated as an Experienced provider by MediFind in the treatment of Breast Cancer. His top areas of expertise are Anal Cancer, Breast Cancer, Lung Cancer, and Familial Colorectal Cancer. Dr. Hwang is currently accepting new patients.

His clinical research consists of co-authoring 4 peer reviewed articles and participating in 27 clinical trials. MediFind looks at clinical research from the past 15 years. In particular, he has co-authored 1 article and participated in 11 clinical trials in the study of Breast Cancer.

Specialties
Hematology Oncology
Oncology
Licenses
Internal Medicine in MD
Languages Spoken
English
Gender
Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

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Accepted insurance plans:

Anthem
  • EPO
  • HMO
  • POS
  • PPO
Kaiser
  • EPO
  • HMO
  • POS
Kaiser Permanente
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER MEDICARE
  • POS
  • PPO
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO

Locations

Kaiser Gaithersburg
655 Watkins Mill Road, Gaithersburg, MD 20879

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.

27 Clinical Trials

Integration of Immunotherapy Into Adjuvant Therapy for Resected NSCLC: ALCHEMIST Chemo-IO (ACCIO)
Integration of Immunotherapy Into Adjuvant Therapy for Resected NSCLC: ALCHEMIST Chemo-IO (ACCIO)
Enrollment Status: Recruiting
Publish Date: October 15, 2025
Intervention Type: Procedure, Drug, Other, Biological
Study Drugs: Carboplatin, Cisplatin, Gemcitabine Hydrochloride, Paclitaxel, Pembrolizumab, Pemetrexed Disodium
Study Phase: Phase 3
A Phase III Clinical Trial Evaluating De-Escalation of Breast Radiation for Conservative Treatment of Stage I, Hormone Sensitive, HER-2 Negative, Oncotype Recurrence Score Less Than or Equal to 18 Breast Cancer
A Phase III Clinical Trial Evaluating De-Escalation of Breast Radiation for Conservative Treatment of Stage I, Hormone Sensitive, HER-2 Negative, Oncotype Recurrence Score Less Than or Equal to 18 Breast Cancer
Enrollment Status: Recruiting
Publish Date: October 02, 2025
Intervention Type: Drug, Other
Study Phase: Phase 3
LUNGMAP: A Master Protocol To Evaluate Biomarker-Driven Therapies And Immunotherapies In Previously-Treated Non-Small Cell Lung Cancer (Lung-Map Screening Study)
LUNGMAP: A Master Protocol To Evaluate Biomarker-Driven Therapies And Immunotherapies In Previously-Treated Non-Small Cell Lung Cancer (Lung-Map Screening Study)
Enrollment Status: Recruiting
Publish Date: March 13, 2025
Intervention Type: Drug
Study Drug: Screening Platform
Study Phase: Phase 2/Phase 3
The CompassHER2 Trials (Comprehensive Use of Pathologic Response Assessment to Optimize Therapy in HER2-Positive Breast Cancer) CompassHER2 Residual Disease (RD), a Double-Blinded, Phase III Randomized Trial of T-DM1 Compared with T-DM1 and Tucatinib
The CompassHER2 Trials (Comprehensive Use of Pathologic Response Assessment to Optimize Therapy in HER2-Positive Breast Cancer) CompassHER2 Residual Disease (RD), a Double-Blinded, Phase III Randomized Trial of T-DM1 Compared with T-DM1 and Tucatinib
Enrollment Status: Recruiting
Publish Date: January 13, 2025
Intervention Type: Other, Biological, Drug
Study Drugs: Trastuzumab Emtansine, Tucatinib
Study Phase: Phase 3
Adjuvant Lung Cancer Enrichment Marker Identification and Sequencing Trial (ALCHEMIST)
Adjuvant Lung Cancer Enrichment Marker Identification and Sequencing Trial (ALCHEMIST)
Enrollment Status: Active_not_recruiting
Publish Date: October 06, 2025
Intervention Type: Other, Procedure, Biological, Drug
Study Phase: Not Applicable
A Phase III, Randomized Clinical Trial of Standard Adjuvant Endocrine Therapy +/- Chemotherapy in Patients With 1-3 Positive Nodes, Hormone Receptor-Positive and HER2-Negative Breast Cancer With Recurrence Score (RS) of 25 or Less. RxPONDER: A Clinical Trial Rx for Positive Node, Endocrine Responsive Breast Cancer
A Phase III, Randomized Clinical Trial of Standard Adjuvant Endocrine Therapy +/- Chemotherapy in Patients With 1-3 Positive Nodes, Hormone Receptor-Positive and HER2-Negative Breast Cancer With Recurrence Score (RS) of 25 or Less. RxPONDER: A Clinical Trial Rx for Positive Node, Endocrine Responsive Breast Cancer
Enrollment Status: Active_not_recruiting
Publish Date: September 22, 2025
Intervention Type: Drug, Other
Study Drugs: Anastrozole, Exemestane, Letrozole, Systemic Chemotherapy
Study Phase: Phase 3
A Randomized, Phase II/III Study of Pegylated Liposomal Doxorubicin and CTEP-Supplied Atezolizumab Versus Pegylated Liposomal Doxorubicin, CTEP-Supplied Bevacizumab and CTEP-Supplied Atezolizumab Versus Pegylated Liposomal Doxorubicin and CTEP-Supplied Bevacizumab in Platinum Resistant Ovarian Cancer
A Randomized, Phase II/III Study of Pegylated Liposomal Doxorubicin and CTEP-Supplied Atezolizumab Versus Pegylated Liposomal Doxorubicin, CTEP-Supplied Bevacizumab and CTEP-Supplied Atezolizumab Versus Pegylated Liposomal Doxorubicin and CTEP-Supplied Bevacizumab in Platinum Resistant Ovarian Cancer
Enrollment Status: Active_not_recruiting
Publish Date: September 22, 2025
Intervention Type: Other, Procedure, Drug, Biological
Study Drugs: Atezolizumab, Bevacizumab, Pegylated liposomal doxorubicin hydrochloride
Study Phase: Phase 2/Phase 3
Randomized Study of Erlotinib Vs Observation in Patients With Completely Resected Epidermal Growth Factor Receptor (EGFR) Mutant Non-Small Cell Lung Cancer (NSCLC)
Randomized Study of Erlotinib Vs Observation in Patients With Completely Resected Epidermal Growth Factor Receptor (EGFR) Mutant Non-Small Cell Lung Cancer (NSCLC)
Enrollment Status: Active_not_recruiting
Publish Date: September 22, 2025
Intervention Type: Other, Drug
Study Drug: Erlotinib Hydrochloride
Study Phase: Phase 3
NCI COVID-19 in Cancer Patients Study (NCCAPS): A Longitudinal Natural History Study
NCI COVID-19 in Cancer Patients Study (NCCAPS): A Longitudinal Natural History Study
Enrollment Status: Active_not_recruiting
Publish Date: September 22, 2025
Intervention Type: Other, Procedure
Effect of Preoperative Breast MRI on Surgical Outcomes, Costs and Quality of Life of Women With Breast Cancer
Effect of Preoperative Breast MRI on Surgical Outcomes, Costs and Quality of Life of Women With Breast Cancer
Enrollment Status: Completed
Publish Date: September 05, 2025
Intervention Type: Procedure
Study Phase: Phase 3
Colorectal Cancer Metastatic dMMR/MSI-H Immuno-Therapy (COMMIT) Study: A Randomized Phase III Study of mFOLFOX6/Bevacizumab/Atezolizumab Combination Versus Single Agent Atezolizumab in the First-Line Treatment of Patients With Deficient DNA Mismatch Repair (dMMR)/Microsatellite Instability-High (MSI-H) Metastatic Colorectal Cancer
Colorectal Cancer Metastatic dMMR/MSI-H Immuno-Therapy (COMMIT) Study: A Randomized Phase III Study of mFOLFOX6/Bevacizumab/Atezolizumab Combination Versus Single Agent Atezolizumab in the First-Line Treatment of Patients With Deficient DNA Mismatch Repair (dMMR)/Microsatellite Instability-High (MSI-H) Metastatic Colorectal Cancer
Enrollment Status: Active_not_recruiting
Publish Date: September 05, 2025
Intervention Type: Other, Procedure, Drug, Biological
Study Phase: Phase 3
A Phase III Randomized Study of Nivolumab Plus Ipilimumab Versus Nivolumab for Previously Treated Patients With Stage IV Squamous Cell Lung Cancer and No Matching Biomarker (Lung-Map Sub-Study)
A Phase III Randomized Study of Nivolumab Plus Ipilimumab Versus Nivolumab for Previously Treated Patients With Stage IV Squamous Cell Lung Cancer and No Matching Biomarker (Lung-Map Sub-Study)
Enrollment Status: Active_not_recruiting
Publish Date: May 21, 2025
Intervention Type: Other, Biological
Study Drugs: Ipilimumab, Nivolumab
Study Phase: Phase 3
A Phase II Study of Rucaparib in Patients With Genomic LOH High and/or Deleterious BRCA1/2 Mutation Stage IV or Recurrent Non-Small Cell Lung Cancer (LUNG-MAP Sub-Study)
A Phase II Study of Rucaparib in Patients With Genomic LOH High and/or Deleterious BRCA1/2 Mutation Stage IV or Recurrent Non-Small Cell Lung Cancer (LUNG-MAP Sub-Study)
Enrollment Status: Completed
Publish Date: May 21, 2025
Intervention Type: Drug
Study Drug: Rucaparib
Study Phase: Phase 2
Phase II/III Study of Circulating Tumor DNA as a Predictive Biomarker in Adjuvant Chemotherapy in Patients With Stage IIA Colon Cancer (COBRA)
Phase II/III Study of Circulating Tumor DNA as a Predictive Biomarker in Adjuvant Chemotherapy in Patients With Stage IIA Colon Cancer (COBRA)
Enrollment Status: Active_not_recruiting
Publish Date: May 07, 2025
Intervention Type: Drug, Other
Study Drugs: Capecitabine, 5-Fluorouracil, Leucovorin, Oxaliplatin
Study Phase: Phase 2/Phase 3
A Double Blind Placebo-Controlled Trial of Eflornithine and Sulindac to Prevent Recurrence of High Risk Adenomas and Second Primary Colorectal Cancers in Patients With Stage 0-III Colon or Rectal Cancer, Phase III - Preventing Adenomas of the Colon With Eflornithine and Sulindac (PACES)
A Double Blind Placebo-Controlled Trial of Eflornithine and Sulindac to Prevent Recurrence of High Risk Adenomas and Second Primary Colorectal Cancers in Patients With Stage 0-III Colon or Rectal Cancer, Phase III - Preventing Adenomas of the Colon With Eflornithine and Sulindac (PACES)
Enrollment Status: Active_not_recruiting
Publish Date: March 30, 2025
Intervention Type: Drug
Study Phase: Phase 3
A Phase III Randomized, Double-Blind Placebo Controlled Study of Armodafinil (Nuvigil®) To Reduce Cancer-Related Fatigue in Patients With High Grade Glioma
A Phase III Randomized, Double-Blind Placebo Controlled Study of Armodafinil (Nuvigil®) To Reduce Cancer-Related Fatigue in Patients With High Grade Glioma
Enrollment Status: Completed
Publish Date: January 27, 2025
Intervention Type: Other, Drug
Study Phase: Phase 3
Randomized Phase III Trial Evaluating the Role of Weight Loss in Adjuvant Treatment of Overweight and Obese Women with Early Breast Cancer
Randomized Phase III Trial Evaluating the Role of Weight Loss in Adjuvant Treatment of Overweight and Obese Women with Early Breast Cancer
Enrollment Status: Active_not_recruiting
Publish Date: January 13, 2025
Intervention Type: Other
Study Phase: Phase 3
Phase III Randomized, Placebo-Controlled Clinical Trial Evaluating the Use of Adjuvant Endocrine Therapy +/- One Year of Everolimus in Patients With High-Risk, Hormone Receptor-Positive and HER2/Neu Negative Breast Cancer
Phase III Randomized, Placebo-Controlled Clinical Trial Evaluating the Use of Adjuvant Endocrine Therapy +/- One Year of Everolimus in Patients With High-Risk, Hormone Receptor-Positive and HER2/Neu Negative Breast Cancer
Enrollment Status: Active_not_recruiting
Publish Date: December 27, 2024
Intervention Type: Drug, Other
Study Drugs: Anastrozole, Everolimus, Exemestane, Goserelin Acetate, Letrozole, Leuprolide Acetate, Tamoxifen Citrate
Study Phase: Phase 3
A Randomized, Double-Blind, Phase III Trial of Taxane/Trastuzumab/Pertuzumab With Atezolizumab or Placebo in First-Line HER2-Positive Metastatic Breast Cancer
A Randomized, Double-Blind, Phase III Trial of Taxane/Trastuzumab/Pertuzumab With Atezolizumab or Placebo in First-Line HER2-Positive Metastatic Breast Cancer
Enrollment Status: Active_not_recruiting
Publish Date: September 26, 2024
Intervention Type: Other, Procedure, Biological, Drug
Study Drugs: Atezolizumab, Paclitaxel, Pertuzumab, Trastuzumab
Study Phase: Phase 3
A Phase 1b Study to Evaluate the Safety and Clinical Activity of AB122 in Biomarker-Selected Participants With Advanced Solid Tumors
A Phase 1b Study to Evaluate the Safety and Clinical Activity of AB122 in Biomarker-Selected Participants With Advanced Solid Tumors
Enrollment Status: Completed
Publish Date: September 19, 2024
Intervention Type: Drug
Study Phase: Phase 1
A Randomized Phase III Trial of Adjuvant Therapy Comparing Doxorubicin Plus Cyclophosphamide Followed by Weekly Paclitaxel With or Without Carboplatin for Node-Positive or High-Risk Node-Negative Triple-Negative Invasive Breast Cancer
A Randomized Phase III Trial of Adjuvant Therapy Comparing Doxorubicin Plus Cyclophosphamide Followed by Weekly Paclitaxel With or Without Carboplatin for Node-Positive or High-Risk Node-Negative Triple-Negative Invasive Breast Cancer
Enrollment Status: Active_not_recruiting
Publish Date: June 03, 2024
Intervention Type: Drug, Other
Study Drugs: Carboplatin, Cyclophosphamide, Doxorubicin Hydrochloride, Paclitaxel
Study Phase: Phase 3
COMPLEEMENT-1: An Open-label, Multicenter, Phase IIIb Study to Assess the Safety and Efficacy of Ribociclib (LEE011) in Combination With Letrozole for the Treatment of Men and Pre/Postmenopausal Women With Hormone Receptor-positive (HR+) HER2-negative (HER2-) Advanced Breast Cancer (aBC) With no Prior Hormonal Therapy for Advanced Disease
COMPLEEMENT-1: An Open-label, Multicenter, Phase IIIb Study to Assess the Safety and Efficacy of Ribociclib (LEE011) in Combination With Letrozole for the Treatment of Men and Pre/Postmenopausal Women With Hormone Receptor-positive (HR+) HER2-negative (HER2-) Advanced Breast Cancer (aBC) With no Prior Hormonal Therapy for Advanced Disease
Enrollment Status: Completed
Publish Date: October 24, 2023
Intervention Type: Drug
Study Drugs: Ribociclib, Letrozole, Goserelin, Leuprolide
Study Phase: Phase 3
A Phase II Study of MEDI4736 (Durvalumab) Plus Tremelimumab as Therapy for Patients With Previously Treated Anti-PD-1/PD-L1 Resistant Stage IV Squamous Cell Lung Cancer (Lung-Map Non-Match Sub-Study)
A Phase II Study of MEDI4736 (Durvalumab) Plus Tremelimumab as Therapy for Patients With Previously Treated Anti-PD-1/PD-L1 Resistant Stage IV Squamous Cell Lung Cancer (Lung-Map Non-Match Sub-Study)
Enrollment Status: Completed
Publish Date: June 09, 2023
Intervention Type: Biological, Other
Study Drugs: Durvalumab, Tremelimumab
Study Phase: Phase 2
A Biomarker-Driven Master Protocol for Previously Treated Squamous Cell Lung Cancer (Lung-Map)
A Biomarker-Driven Master Protocol for Previously Treated Squamous Cell Lung Cancer (Lung-Map)
Enrollment Status: Completed
Publish Date: June 01, 2023
Intervention Type: Biological, Drug, Other
A Randomized Phase III Double Blinded Placebo Controlled Trial of Aspirin as Adjuvant Therapy for HER2 Negative Breast Cancer: The ABC Trial
A Randomized Phase III Double Blinded Placebo Controlled Trial of Aspirin as Adjuvant Therapy for HER2 Negative Breast Cancer: The ABC Trial
Enrollment Status: Terminated
Publish Date: April 05, 2023
Intervention Type: Other, Drug
Study Drug: Aspirin
Study Phase: Phase 3
A Phase II Study of Talazoparib (BMN 673) in Patients With Homologous Recombination Repair Deficiency Positive Stage IV Squamous Cell Lung Cancer (Lung-Map Sub-Study)
A Phase II Study of Talazoparib (BMN 673) in Patients With Homologous Recombination Repair Deficiency Positive Stage IV Squamous Cell Lung Cancer (Lung-Map Sub-Study)
Enrollment Status: Completed
Publish Date: June 23, 2021
Intervention Type: Other, Drug
Study Drug: Talazoparib
Study Phase: Phase 2
A Companion Sample Collection Protocol to Support the Discovery of Breast Cancer Aberrations With Treatment of CDK4/6 Therapy/LEE011/Ribociclib
A Companion Sample Collection Protocol to Support the Discovery of Breast Cancer Aberrations With Treatment of CDK4/6 Therapy/LEE011/Ribociclib
Enrollment Status: Terminated
Publish Date: May 28, 2020
Intervention Type: Drug
Study Phase: Phase 3
View 23 Less Clinical Trials

4 Total Publications

Development and validation of an integrative pan-solid tumor predictor of PD-1/PD-L1 blockade benefit.
Development and validation of an integrative pan-solid tumor predictor of PD-1/PD-L1 blockade benefit.
Journal: Communications medicine
Published: January 25, 2022
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Areas of Expertise

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