Dr. Gary L. Buchschacher

Hematology Oncology | Oncology
Kaiser Permanente
Kaiser Permanente Los Angeles Medical Center - Hematology/Oncology Department
4950 W Sunset Blvd, 
Los Angeles, CA 
Clinical Trials:Currently Recruiting for 1 Trial
Accepting New Patients
Kaiser Permanente
Kaiser Permanente Los Angeles Medical Center - Hematology/Oncology Department
4950 W Sunset Blvd, 
Los Angeles, CA 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Gary Buchschacher is a Hematologist Oncology specialist and an Oncologist in Los Angeles, California. His top areas of expertise are Colorectal Cancer, Prostate Cancer, Anal Cancer, and Esophageal Cancer. Dr. Buchschacher is currently accepting new patients.

His clinical research consists of co-authoring 19 peer reviewed articles and participating in 21 clinical trials. MediFind looks at clinical research from the past 15 years.

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

Insurance

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

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Accepted insurance plans:

Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D

Locations

Kaiser Permanente Los Angeles Medical Center - Hematology/Oncology Department
4950 W Sunset Blvd, Los Angeles, CA 90027

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.

21 Clinical Trials

Randomized Phase II/III Study of Nivolumab Plus Ipilimumab Plus Sargramostim Versus Nivolumab Plus Ipilimumab in Patients With Unresectable Stage III or Stage IV Melanoma
Randomized Phase II/III Study of Nivolumab Plus Ipilimumab Plus Sargramostim Versus Nivolumab Plus Ipilimumab in Patients With Unresectable Stage III or Stage IV Melanoma
Enrollment Status: Recruiting
Publish Date: December 17, 2025
Intervention Type: Procedure, Biological
Study Drugs: Ipilimumab, Nivolumab, Sargramostim
Study Phase: Phase 2/Phase 3
Randomized Phase II Study of 2nd Line FOLFIRI Versus Modified FOLFIRI With PARP Inhibitor ABT-888 (Veliparib) (NSC-737664) in Metastatic Pancreatic Cancer
Randomized Phase II Study of 2nd Line FOLFIRI Versus Modified FOLFIRI With PARP Inhibitor ABT-888 (Veliparib) (NSC-737664) in Metastatic Pancreatic Cancer
Enrollment Status: Active_not_recruiting
Publish Date: December 01, 2025
Intervention Type: Drug, Other
Study Drugs: Fluorouracil, Irinotecan Hydrochloride, Leucovorin Calcium, Veliparib
Study Phase: Phase 2
Phase III Randomized Adjuvant Study of Pembrolizumab in muScle invaSive and locAlly aDvanced urOthelial caRcinoma (AMBASSADOR) Versus Observation
Phase III Randomized Adjuvant Study of Pembrolizumab in muScle invaSive and locAlly aDvanced urOthelial caRcinoma (AMBASSADOR) Versus Observation
Enrollment Status: Active_not_recruiting
Publish Date: November 17, 2025
Intervention Type: Other, Biological, Procedure
Study Drug: Pembrolizumab
Study Phase: Phase 3
A Randomized Phase III Study of Nivolumab After Combined Modality Therapy (CMT) in High Risk Anal Cancer
A Randomized Phase III Study of Nivolumab After Combined Modality Therapy (CMT) in High Risk Anal Cancer
Enrollment Status: Active_not_recruiting
Publish Date: November 17, 2025
Intervention Type: Procedure, Biological, Other
Study Drug: Nivolumab
Study Phase: Phase 3
Randomized Trial of Standard Chemotherapy Alone or Combined With Atezolizumab as Adjuvant Therapy for Patients With Stage III Colon Cancer and Deficient DNA Mismatch Repair
Randomized Trial of Standard Chemotherapy Alone or Combined With Atezolizumab as Adjuvant Therapy for Patients With Stage III Colon Cancer and Deficient DNA Mismatch Repair
Enrollment Status: Active_not_recruiting
Publish Date: November 17, 2025
Intervention Type: Other, Procedure, Drug
Study Drugs: Atezolizumab, 5-Fluorouracil, Leucovorin, Oxaliplatin
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: November 17, 2025
Intervention Type: Other, Procedure
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: November 17, 2025
Intervention Type: Other, Procedure, Drug, Biological
Study Phase: Phase 3
A Randomized Phase II Trial of Tamoxifen Versus Z-Endoxifen HCL in Postmenopausal Women With Metastatic Estrogen Receptor Positive, HER2 Negative Breast Cancer
A Randomized Phase II Trial of Tamoxifen Versus Z-Endoxifen HCL in Postmenopausal Women With Metastatic Estrogen Receptor Positive, HER2 Negative Breast Cancer
Enrollment Status: Active_not_recruiting
Publish Date: November 10, 2025
Intervention Type: Other, Drug
Study Drugs: Endoxifen Hydrochloride, Tamoxifen Citrate
Study Phase: Phase 2
Randomized Phase II/III Trial of Radiation With Cisplatin at 100 mg/m2 Every Three Weeks Versus Radiation With Weekly Cisplatin at 40 mg/m2 for Patients With Locoregionally Advanced Squamous Cell Carcinoma of the Head and Neck (SCCHN)
Randomized Phase II/III Trial of Radiation With Cisplatin at 100 mg/m2 Every Three Weeks Versus Radiation With Weekly Cisplatin at 40 mg/m2 for Patients With Locoregionally Advanced Squamous Cell Carcinoma of the Head and Neck (SCCHN)
Enrollment Status: Suspended
Publish Date: November 07, 2025
Intervention Type: Other, Procedure, Drug, Radiation
Study Drug: Cisplatin
Study Phase: Phase 2/Phase 3
A Randomized Phase III Study of Immune Checkpoint Inhibition With Chemotherapy in Treatment-Naive Metastatic Anal Cancer Patients
A Randomized Phase III Study of Immune Checkpoint Inhibition With Chemotherapy in Treatment-Naive Metastatic Anal Cancer Patients
Enrollment Status: Active_not_recruiting
Publish Date: October 29, 2025
Intervention Type: Biological, Drug
Study Drugs: Carboplatin, Nivolumab, Paclitaxel
Study Phase: Phase 3
DREAMseq (Doublet, Randomized Evaluation in Advanced Melanoma Sequencing) a Phase III Trial
DREAMseq (Doublet, Randomized Evaluation in Advanced Melanoma Sequencing) a Phase III Trial
Enrollment Status: Active_not_recruiting
Publish Date: September 16, 2025
Intervention Type: Other, Procedure, Biological, Drug
Study Drugs: Dabrafenib Mesylate, Ipilimumab, Nivolumab, Trametinib Dimethyl Sulfoxide
Study Phase: Phase 3
Influence of Primary Treatment for Prostate Cancer on Work Experience (PCW)
Influence of Primary Treatment for Prostate Cancer on Work Experience (PCW)
Enrollment Status: Completed
Publish Date: July 16, 2025
Intervention Type: Other
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
Testing Decision Aids to Improve Prostate Cancer Decisions for Minority Men
Testing Decision Aids to Improve Prostate Cancer Decisions for Minority Men
Enrollment Status: Completed
Publish Date: January 27, 2025
Intervention Type: Other
Study Phase: Phase 3
S1613, A Randomized Phase II Study of Trastuzumab and Pertuzumab (TP) Compared to Cetuximab and Irinotecan (CETIRI) in Advanced/Metastatic Colorectal Cancer (mCRC) With HER-2 Amplification
S1613, A Randomized Phase II Study of Trastuzumab and Pertuzumab (TP) Compared to Cetuximab and Irinotecan (CETIRI) in Advanced/Metastatic Colorectal Cancer (mCRC) With HER-2 Amplification
Enrollment Status: Active_not_recruiting
Publish Date: January 14, 2025
Intervention Type: Device, Biological, Other, Drug
Study Drugs: Cetuximab, Irinotecan, Pertuzumab, Trastuzumab
Study Phase: Phase 2
A Phase III Randomized Trial of Prophylactic Antiviral Therapy in Patients With Current or Past Hepatitis B Virus (HBV) Infection Receiving Anti-Cancer Therapy for Solid Tumors
A Phase III Randomized Trial of Prophylactic Antiviral Therapy in Patients With Current or Past Hepatitis B Virus (HBV) Infection Receiving Anti-Cancer Therapy for Solid Tumors
Enrollment Status: Terminated
Publish Date: May 20, 2024
Intervention Type: Drug, Other
Study Drug: Tenofovir Alafenamide
Study Phase: Phase 3
A Phase II/III Trial of Neoadjuvant FOLFOX With Selective Use of Combined Modality Chemoradiation Versus Preoperative Combined Modality Chemoradiation for Locally Advanced Rectal Cancer Patients Undergoing Low Anterior Resection With Total Mesorectal Excision (PROSPECT)
A Phase II/III Trial of Neoadjuvant FOLFOX With Selective Use of Combined Modality Chemoradiation Versus Preoperative Combined Modality Chemoradiation for Locally Advanced Rectal Cancer Patients Undergoing Low Anterior Resection With Total Mesorectal Excision (PROSPECT)
Enrollment Status: Active_not_recruiting
Publish Date: February 02, 2024
Intervention Type: Procedure, Other, Drug
Study Phase: Phase 2/Phase 3
A Randomized Phase II Study of Perioperative mFOLFIRINOX Versus Gemcitabine/Nab-Paclitaxel as Therapy for Resectable Pancreatic Adenocarcinoma
A Randomized Phase II Study of Perioperative mFOLFIRINOX Versus Gemcitabine/Nab-Paclitaxel as Therapy for Resectable Pancreatic Adenocarcinoma
Enrollment Status: Completed
Publish Date: October 19, 2022
Intervention Type: Drug, Procedure
Study Drugs: Fluorouracil, Gemcitabine hydrochloride, Irinotecan hydrochloride, Oxaliplatin, Paclitaxel albumin-stabilized nanoparticle formulation
Study Phase: Phase 2
Work Ability in Young Adult Survivors (WAYS)
Work Ability in Young Adult Survivors (WAYS)
Enrollment Status: Completed
Publish Date: August 02, 2022
Intervention Type: Other, Procedure
A Phase II Study of Enzalutamide (NSC# 766085) for Patients With Androgen Receptor Positive Salivary Cancers
A Phase II Study of Enzalutamide (NSC# 766085) for Patients With Androgen Receptor Positive Salivary Cancers
Enrollment Status: Unknown
Publish Date: October 26, 2021
Intervention Type: Drug
Study Drug: Enzalutamide
Study Phase: Phase 2
View 20 Less Clinical Trials

19 Total Publications

Pembrolizumab plus chemotherapy versus chemotherapy for advanced esophageal cancer: 5-year extended follow-up for the randomized phase III KEYNOTE-590 study.
Pembrolizumab plus chemotherapy versus chemotherapy for advanced esophageal cancer: 5-year extended follow-up for the randomized phase III KEYNOTE-590 study.
Journal: ESMO open
Published: July 25, 2025
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Areas of Expertise

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