Experienced in Nasopharyngeal Carcinoma

Dr. Rom S. Leidner

Hematology | Oncology
4805 Northeast Glisan Street, Suite 11N-1, 
Portland, OR 
Clinical Trials:Currently Recruiting for 1 Trial
Accepting New Patients
Experienced in Nasopharyngeal Carcinoma
4805 Northeast Glisan Street, Suite 11N-1, 
Portland, OR 
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Overview

Rom Leidner is a Hematologist and an Oncologist in Portland, Oregon. Dr. Leidner is rated as an Experienced provider by MediFind in the treatment of Nasopharyngeal Carcinoma. His top areas of expertise are Head and Neck Squamous Cell Carcinoma (HNSCC), Glioma, Stomach Cancer, and Oral Squamous Cell Carcinoma. Dr. Leidner is currently accepting new patients.

His clinical research consists of co-authoring 55 peer reviewed articles and participating in 31 clinical trials. MediFind looks at clinical research from the past 15 years.

Specialties
Hematology
Oncology
Licenses
Internal Medicine in OH
Hospital Affiliations
Providence Portland Medical Center
Languages Spoken
English
Gender
Male

Insurance

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

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Cambia Health Solutions
  • EPO
  • INSURANCE PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
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CareFirst
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  • POS
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Cigna
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Health Care Services Corporation
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
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  • MEDICARE SNP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Medicaid
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  • STATE MEDICAID
Medicare
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  • MANAGED MEDICAID PLAN
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  • MEDICARE PDP
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  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE PART D
Oscar
  • EPO
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Prominence Health
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UnitedHealthcare
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  • POS
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Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
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  • OTHER MEDICARE
  • OTHER MEDICARE PART D
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Locations

4805 Northeast Glisan Street, Suite 11N-1, Portland, OR 97213

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.

31 Clinical Trials

Genetic and Environmental Determinants of Barrett's Esophagus and Esophageal Adenocarcinoma
Genetic and Environmental Determinants of Barrett's Esophagus and Esophageal Adenocarcinoma
Enrollment Status: Recruiting
Publish Date: July 18, 2025
Intervention Type: Procedure, Device
An Open-label, Multi-center Rollover Protocol for Continued Characterization of Safety and Tolerability for Subjects Who Have Participated in a Novartis-sponsored Spartalizumab Study as Single Agent or in Combination With Other Study Treatments
An Open-label, Multi-center Rollover Protocol for Continued Characterization of Safety and Tolerability for Subjects Who Have Participated in a Novartis-sponsored Spartalizumab Study as Single Agent or in Combination With Other Study Treatments
Enrollment Status: Active_not_recruiting
Publish Date: October 07, 2025
Intervention Type: Drug
Study Phase: Phase 1
QUILT-3.055: A Phase IIb, Multicohort, Open-Label Study of Combination Immunotherapies in Patients Who Have Previously Received Treatment With PD-1/PD-L1 Immune Checkpoint Inhibitors
QUILT-3.055: A Phase IIb, Multicohort, Open-Label Study of Combination Immunotherapies in Patients Who Have Previously Received Treatment With PD-1/PD-L1 Immune Checkpoint Inhibitors
Enrollment Status: Active_not_recruiting
Publish Date: September 19, 2025
Intervention Type: Drug
Study Drugs: N-803, Pembrolizumab, Nivolumab, Atezolizumab, Avelumab, Durvalumab, PD-L1 t-haNK
Study Phase: Phase 2
A Phase I/II Study of TheraT® Vector(s) Expressing Human Papillomavirus 16 Positive (HPV 16+) Specific Antigens in Patients With HPV 16+ Confirmed Cancers
A Phase I/II Study of TheraT® Vector(s) Expressing Human Papillomavirus 16 Positive (HPV 16+) Specific Antigens in Patients With HPV 16+ Confirmed Cancers
Enrollment Status: Completed
Publish Date: September 15, 2025
Intervention Type: Drug
Study Drugs: HB-201, HB-202
Study Phase: Phase 1/Phase 2
An Open-Label, Multicenter, Global Phase 2 Basket Study of Entrectinib for the Treatment of Patients With Locally Advanced or Metastatic Solid Tumors That Harbor NTRK1/2/3, ROS1, or ALK Gene Rearrangements
An Open-Label, Multicenter, Global Phase 2 Basket Study of Entrectinib for the Treatment of Patients With Locally Advanced or Metastatic Solid Tumors That Harbor NTRK1/2/3, ROS1, or ALK Gene Rearrangements
Enrollment Status: Active_not_recruiting
Publish Date: September 05, 2025
Intervention Type: Drug
Study Drug: Entrectinib
Study Phase: Phase 2
A Phase 1/2 Study Exploring the Safety, Tolerability, and Efficacy of INCAGN01876 in Combination With Immune Therapies in Subjects With Advanced or Metastatic Malignancies
A Phase 1/2 Study Exploring the Safety, Tolerability, and Efficacy of INCAGN01876 in Combination With Immune Therapies in Subjects With Advanced or Metastatic Malignancies
Enrollment Status: Completed
Publish Date: August 14, 2025
Intervention Type: Drug
Study Drugs: INCAGN01876, Nivolumab, Ipilimumab
Study Phase: Phase 1/Phase 2
Phase Ib Study of a Monoclonal Antibody to OX40 (MEDI0562) Administered Prior to Surgical Resection in Patients With Head and Neck Squamous Cell Carcinoma or Melanoma
Phase Ib Study of a Monoclonal Antibody to OX40 (MEDI0562) Administered Prior to Surgical Resection in Patients With Head and Neck Squamous Cell Carcinoma or Melanoma
Enrollment Status: Active_not_recruiting
Publish Date: July 10, 2025
Intervention Type: Drug
Study Drug: MEDI0562
Study Phase: Phase 1
Neoadjuvant Immunoradiotherapy: Head & Neck Cancer (NIRT-HNC)
Neoadjuvant Immunoradiotherapy: Head & Neck Cancer (NIRT-HNC)
Enrollment Status: Active_not_recruiting
Publish Date: July 10, 2025
Intervention Type: Procedure, Drug, Radiation
Study Drug: Nivolumab
Study Phase: Phase 1/Phase 2
A Phase I/II Study of MK-3475 With Gemcitabine in Patients With Previously-Treated Advanced Non-small Cell Lung Cancer (NSCLC)
A Phase I/II Study of MK-3475 With Gemcitabine in Patients With Previously-Treated Advanced Non-small Cell Lung Cancer (NSCLC)
Enrollment Status: Active_not_recruiting
Publish Date: July 10, 2025
Intervention Type: Drug
Study Drugs: MK-3475, Gemcitabine
Study Phase: Phase 1/Phase 2
Phase II Randomized Study of High Dose Interleukin-2 Versus Stereotactic Body Radiation (SBRT) and High Dose Interleukin-2 (IL-2) in Patients With Metastatic Melanoma
Phase II Randomized Study of High Dose Interleukin-2 Versus Stereotactic Body Radiation (SBRT) and High Dose Interleukin-2 (IL-2) in Patients With Metastatic Melanoma
Enrollment Status: Active_not_recruiting
Publish Date: March 17, 2025
Intervention Type: Drug, Other
Study Drug: High-dose IL-2
Study Phase: Phase 2
A Phase Ib Study to Assess the Safety, Tolerability and Immunologic Activity of Preoperative IRX 2 In Early Stage Breast Cancer
A Phase Ib Study to Assess the Safety, Tolerability and Immunologic Activity of Preoperative IRX 2 In Early Stage Breast Cancer
Enrollment Status: Active_not_recruiting
Publish Date: March 17, 2025
Intervention Type: Drug, Dietary supplement
Study Drugs: Cyclophosphamide, Indomethacin, Omeprazole
Study Phase: Phase 1
Intratumoral Ipilimumab in Head and Neck Cancer
Intratumoral Ipilimumab in Head and Neck Cancer
Enrollment Status: Active_not_recruiting
Publish Date: March 10, 2025
Intervention Type: Drug
Study Drug: Ipilimumab
Study Phase: Phase 1
A Pilot and Phase II Study to Assess the Safety, Tolerability and Efficacy of Pembrolizumab Plus Chemotherapy in Metastatic Triple Negative Breast Cancer Patients
A Pilot and Phase II Study to Assess the Safety, Tolerability and Efficacy of Pembrolizumab Plus Chemotherapy in Metastatic Triple Negative Breast Cancer Patients
Enrollment Status: Active_not_recruiting
Publish Date: March 10, 2025
Intervention Type: Drug
Study Drugs: Pembrolizumab, Paclitaxel, Capecitabine
Study Phase: Phase 1/Phase 2
Phase II Study of TGFβ Type I Receptor Inhibitor LY2157299 With Neoadjuvant Chemoradiation in Patients With Locally Advanced Rectal Adenocarcinoma
Phase II Study of TGFβ Type I Receptor Inhibitor LY2157299 With Neoadjuvant Chemoradiation in Patients With Locally Advanced Rectal Adenocarcinoma
Enrollment Status: Active_not_recruiting
Publish Date: March 10, 2025
Intervention Type: Drug, Procedure
Study Drugs: LY2157299, Capecitabine, Fluorouracil
Study Phase: Phase 2
A Phase II Study of Nivolumab Combined With Bicalutamide and Ipilimumab in Metastatic HER2-negative Breast Cancer
A Phase II Study of Nivolumab Combined With Bicalutamide and Ipilimumab in Metastatic HER2-negative Breast Cancer
Enrollment Status: Active_not_recruiting
Publish Date: March 10, 2025
Intervention Type: Drug
Study Drugs: Nivolumab, Ipilimumab, Bicalutamide
Study Phase: Phase 2
Neoadjuvant Immunoradiotherapy in Head & Neck Cancer (NIRT 2-HNC)
Neoadjuvant Immunoradiotherapy in Head & Neck Cancer (NIRT 2-HNC)
Enrollment Status: Active_not_recruiting
Publish Date: March 10, 2025
Intervention Type: Radiation, Procedure, Drug
Study Drug: Pembrolizumab
Study Phase: Phase 2
A Phase 2 Open-Label Clinical Trial of ADP-A2M4CD8 in Subjects With Advanced Esophageal or Esophagogastric Junction Cancers
A Phase 2 Open-Label Clinical Trial of ADP-A2M4CD8 in Subjects With Advanced Esophageal or Esophagogastric Junction Cancers
Enrollment Status: Terminated
Publish Date: September 04, 2024
Intervention Type: Genetic
Study Phase: Phase 2
A Phase I/Ib, Open-label, Multi-center Dose-escalation and Dose-expansion Study of the Safety and Tolerability of Intra-tumorally Administered LHC165 Single Agent and in Combination With PDR001 in Patients With Advanced Malignancies
A Phase I/Ib, Open-label, Multi-center Dose-escalation and Dose-expansion Study of the Safety and Tolerability of Intra-tumorally Administered LHC165 Single Agent and in Combination With PDR001 in Patients With Advanced Malignancies
Enrollment Status: Terminated
Publish Date: June 20, 2024
Intervention Type: Biological, Drug
Study Drugs: LHC165, PDR001
Study Phase: Phase 1
Phase Ib Study of a Monoclonal Antibody to OX40 (MEDI6469) Administered Prior to Definitive Surgical Resection Patients With Locoregionally Advanced, Oral Head and Neck Squamous Cell Carcinoma
Phase Ib Study of a Monoclonal Antibody to OX40 (MEDI6469) Administered Prior to Definitive Surgical Resection Patients With Locoregionally Advanced, Oral Head and Neck Squamous Cell Carcinoma
Enrollment Status: Completed
Publish Date: February 07, 2024
Intervention Type: Drug, Procedure
Study Drug: MEDI6469 Anti-OX40 Antibody
Study Phase: Phase 1
Phase IB Study of a Galectin Inhibitor (GR-MD-02) and Pembrolizumab in Patients With Metastatic Melanoma, Non-Small Cell Lung Cancer, and Head and Neck Squamous Cell Carcinoma.
Phase IB Study of a Galectin Inhibitor (GR-MD-02) and Pembrolizumab in Patients With Metastatic Melanoma, Non-Small Cell Lung Cancer, and Head and Neck Squamous Cell Carcinoma.
Enrollment Status: Completed
Publish Date: June 05, 2023
Intervention Type: Drug
Study Drugs: Galactoarabino-Rhamnogalactouronate, Pembrolizumab
Study Phase: Phase 1
A Phase 1, Multicenter, Open-Label, Dose Escalation and Dose Expansion Study of SQZ-PBMC-HPV as Monotherapy and in Combination With Atezolizumab or Other Immune Checkpoint Inhibitors in HLA-A*02+ Patients With HPV16+ Recurrent, Locally Advanced or Metastatic Solid Tumors
A Phase 1, Multicenter, Open-Label, Dose Escalation and Dose Expansion Study of SQZ-PBMC-HPV as Monotherapy and in Combination With Atezolizumab or Other Immune Checkpoint Inhibitors in HLA-A*02+ Patients With HPV16+ Recurrent, Locally Advanced or Metastatic Solid Tumors
Enrollment Status: Completed
Publish Date: April 14, 2023
Intervention Type: Drug, Biological
Study Drugs: SQZ-PBMC-HPV, Atezolizumab, Ipilimumab, Nivolumab
Study Phase: Phase 1
Safety Evaluations of Nivolumab (Anti-PD-1) Added To Chemotherapy (CRT) Platforms In Patients With Intermediate And High-Risk Local-Regionally Advanced Head and Neck Squamous Cell Carcinoma
Safety Evaluations of Nivolumab (Anti-PD-1) Added To Chemotherapy (CRT) Platforms In Patients With Intermediate And High-Risk Local-Regionally Advanced Head and Neck Squamous Cell Carcinoma
Enrollment Status: Completed
Publish Date: November 29, 2022
Intervention Type: Drug, Radiation
Study Drugs: Nivolumab, Cisplatin, Cetuximab
Study Phase: Phase 1
Phase I/Ib Study of Surgical Resection or Radiofrequency Ablation (RFA) of Metastatic Lesions in the Liver in Combination With Monoclonal Antibody to OX40 (MEDI6469) in Patients With Metastatic Colorectal Cancer
Phase I/Ib Study of Surgical Resection or Radiofrequency Ablation (RFA) of Metastatic Lesions in the Liver in Combination With Monoclonal Antibody to OX40 (MEDI6469) in Patients With Metastatic Colorectal Cancer
Enrollment Status: Terminated
Publish Date: February 14, 2022
Intervention Type: Drug
Study Drug: MEDI6469
Study Phase: Phase 1
A Phase 2 Pilot Study of ADP-A2M4 in Combination With Pembrolizumab in Subjects With Recurrent or Metastatic Head and Neck Cancer
A Phase 2 Pilot Study of ADP-A2M4 in Combination With Pembrolizumab in Subjects With Recurrent or Metastatic Head and Neck Cancer
Enrollment Status: Withdrawn
Publish Date: November 16, 2021
Intervention Type: Genetic
Study Phase: Phase 2
A Phase 2 Study to Assess the Safety and Efficacy of Scalp Cooling Using PenguinTM Cold Caps for the Prevention or Reduction of Chemotherapy-induced Alopecia in Stage I-III Breast Cancer
A Phase 2 Study to Assess the Safety and Efficacy of Scalp Cooling Using PenguinTM Cold Caps for the Prevention or Reduction of Chemotherapy-induced Alopecia in Stage I-III Breast Cancer
Enrollment Status: Unknown
Publish Date: September 16, 2020
Intervention Type: Device
Study Phase: Not Applicable
Phase I/II Study of Stereotactic Body Radiation Therapy to Metastatic Lesions in the Liver or Lung in Combination With Monoclonal Antibody to OX40 (MEDI6469) in Patients With Progressive Metastatic Breast Cancer After Systemic Therapy.
Phase I/II Study of Stereotactic Body Radiation Therapy to Metastatic Lesions in the Liver or Lung in Combination With Monoclonal Antibody to OX40 (MEDI6469) in Patients With Progressive Metastatic Breast Cancer After Systemic Therapy.
Enrollment Status: Completed
Publish Date: March 21, 2019
Intervention Type: Biological
Study Phase: Phase 1
Phase IB Study of a Galectin Inhibitor (GR-MD-02) and Ipilimumab in Patients With Metastatic Melanoma
Phase IB Study of a Galectin Inhibitor (GR-MD-02) and Ipilimumab in Patients With Metastatic Melanoma
Enrollment Status: Completed
Publish Date: March 21, 2019
Intervention Type: Biological
Study Phase: Phase 1
A Pilot Study of DPV-001 DRibble Vaccine With Imiquimod in Advanced Prostate Cancer
A Pilot Study of DPV-001 DRibble Vaccine With Imiquimod in Advanced Prostate Cancer
Enrollment Status: Completed
Publish Date: October 11, 2018
Intervention Type: Drug, Biological
Study Phase: Phase 1
Phase I Study of Safety and Immunogenicity of ADU-623, a Live-attenuated Listeria Monocytogenes Strain (ΔactA/ΔinlB) Expressing the EGFRvIII-NY-ESO-1 Vaccine, in Patients With Treated and Recurrent WHO Grade III/IV Astrocytomas
Phase I Study of Safety and Immunogenicity of ADU-623, a Live-attenuated Listeria Monocytogenes Strain (ΔactA/ΔinlB) Expressing the EGFRvIII-NY-ESO-1 Vaccine, in Patients With Treated and Recurrent WHO Grade III/IV Astrocytomas
Enrollment Status: Completed
Publish Date: August 17, 2018
Intervention Type: Biological, Drug
Study Phase: Phase 1
Phase I Study of Alpha-tocopheryloxyacetic Acid (α-TEA) in Patients With Advanced Cancer
Phase I Study of Alpha-tocopheryloxyacetic Acid (α-TEA) in Patients With Advanced Cancer
Enrollment Status: Completed
Publish Date: August 17, 2018
Intervention Type: Drug
Study Phase: Phase 1
Randomized Phase II Trial of Cyclophosphamide With Allogeneic Non-Small Cell Lung Cancer (NSCLC) DRibble Vaccine Alone or With Granulocyte-Macrophage Colony-Stimulating Factor or Imiquimod for Adjuvant Treatment of Definitively-Treated Stage IIIA or IIIB NSCLC
Randomized Phase II Trial of Cyclophosphamide With Allogeneic Non-Small Cell Lung Cancer (NSCLC) DRibble Vaccine Alone or With Granulocyte-Macrophage Colony-Stimulating Factor or Imiquimod for Adjuvant Treatment of Definitively-Treated Stage IIIA or IIIB NSCLC
Enrollment Status: Completed
Publish Date: July 06, 2017
Intervention Type: Drug, Biological
Study Phase: Phase 2
View 30 Less Clinical Trials

55 Total Publications

Efficacy and safety of one-time autologous tumor-infiltrating lymphocyte cell therapy in patients with recurrent and/or metastatic head and neck squamous cell carcinoma.
Efficacy and safety of one-time autologous tumor-infiltrating lymphocyte cell therapy in patients with recurrent and/or metastatic head and neck squamous cell carcinoma.
Journal: Journal for immunotherapy of cancer
Published: July 04, 2025
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Areas of Expertise

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