Advanced in Primitive Neuroectodermal Tumor (PNET)

Dr. George Ansstas

Hematology | Oncology
Washington University
10 Barnes W Dr, 
Saint Louis, MO 
Clinical Trials:Currently Recruiting for 1 Trial
Advanced in Primitive Neuroectodermal Tumor (PNET)
Washington University
10 Barnes W Dr, 
Saint Louis, MO 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

George Ansstas is a Hematologist and an Oncologist in Saint Louis, Missouri. Dr. Ansstas is rated as an Advanced provider by MediFind in the treatment of Primitive Neuroectodermal Tumor (PNET). His top areas of expertise are Astrocytoma, Glioblastoma, Melanoma, Bone Marrow Aspiration, and Tissue Biopsy.

His clinical research consists of co-authoring 61 peer reviewed articles and participating in 25 clinical trials. MediFind looks at clinical research from the past 15 years.

Specialties
Hematology
Oncology
Licenses
Internal Medicine in MO
Hospital Affiliations
Barnes-Jewish St Peters Hospital
Barnes-Jewish West County Hospital
Barnes Jewish Hospital
Memorial Hospital
Missouri Baptist 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
Anthem
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
Cox Health
  • EPO
  • PPO
Essence Healthcare
  • INSURANCE PLAN
  • MEDICARE MAPD
Farm Bureau Health Plans
  • HMO
  • MEDICARE MAPD
  • MEDICARE PDP
Health Alliance
  • EPO
  • HMO
  • POS
  • PPO
Health Care Services Corporation
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Home State Health
  • EPO
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
Meridian Choice
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
Oscar
  • EPO
  • HMO
  • PPO
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
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Locations

WASHINGTON UNIVERSITY
10 Barnes W Dr, Saint Louis, MO 63141
Other Locations
WASHINGTON UNIVERSITY
10 Hospital Dr, Saint Peters, MO 63376
WASHINGTON UNIVERSITY
1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110
WASHINGTON UNIVERSITY
11133 Dunn Rd, Saint Louis, MO 63136

Additional Areas of Focus

Dr. Ansstas has provided the following conditions as areas of focus. Please note that we may not have enough data to validate their experience in some of these conditions.

Metastatic Uveal Melanoma

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.

25 Clinical Trials

A Pilot Study to Assess the Safety, Feasibility, and Preliminary Efficacy of a Neoepitope-based Personalized DNA Vaccine Approach in Pediatric Patients With Recurrent Brain Tumors
A Pilot Study to Assess the Safety, Feasibility, and Preliminary Efficacy of a Neoepitope-based Personalized DNA Vaccine Approach in Pediatric Patients With Recurrent Brain Tumors
Enrollment Status: Recruiting
Publish Date: June 29, 2025
Intervention Type: Device, Biological, Procedure
Study Drug: Personalized neoantigen DNA vaccine
Study Phase: Phase 1
A Randomized Phase II Study of Anti-PD1 Antibody [MK-3475 (Pembrolizumab)] Alone Versus Anti-PD1 Antibody Plus Stereotactic Body Radiation Therapy in Advanced Merkel Cell Carcinoma
A Randomized Phase II Study of Anti-PD1 Antibody [MK-3475 (Pembrolizumab)] Alone Versus Anti-PD1 Antibody Plus Stereotactic Body Radiation Therapy in Advanced Merkel Cell Carcinoma
Enrollment Status: Active_not_recruiting
Publish Date: October 09, 2025
Intervention Type: Biological, Radiation
Study Drug: Pembrolizumab
Study Phase: Phase 2
A Phase II Randomized Study of Adjuvant Versus NeoAdjuvant Pembrolizumab (MK-3475) for Clinically Detectable Stage III-IV High-Risk Melanoma
A Phase II Randomized Study of Adjuvant Versus NeoAdjuvant Pembrolizumab (MK-3475) for Clinically Detectable Stage III-IV High-Risk Melanoma
Enrollment Status: Active_not_recruiting
Publish Date: September 22, 2025
Intervention Type: Procedure, Biological
Study Drug: Pembrolizumab
Study Phase: Phase 2
STAMP: Surgically Treated Adjuvant Merkel Cell Carcinoma With Pembrolizumab, a Phase III Trial
STAMP: Surgically Treated Adjuvant Merkel Cell Carcinoma With Pembrolizumab, a Phase III Trial
Enrollment Status: Active_not_recruiting
Publish Date: September 22, 2025
Intervention Type: Procedure, Other, Radiation, Biological
Study Drug: Pembrolizumab
Study Phase: Phase 3
A Phase II Study of Talimogene Laherparepvec Followed by Talimogene Laherparepvec + Nivolumab in Refractory T Cell and NK Cell Lymphomas, Cutaneous Squamous Cell Carcinoma, Merkel Cell Carcinoma, and Other Rare Skin Tumors
A Phase II Study of Talimogene Laherparepvec Followed by Talimogene Laherparepvec + Nivolumab in Refractory T Cell and NK Cell Lymphomas, Cutaneous Squamous Cell Carcinoma, Merkel Cell Carcinoma, and Other Rare Skin Tumors
Enrollment Status: Active_not_recruiting
Publish Date: September 03, 2025
Intervention Type: Biological, Procedure, Other
Study Drugs: Nivolumab, Talimogene Laherparevec
Study Phase: Phase 2
Phase I/II Study of Dabrafenib, Trametinib, and Navitoclax in BRAF Mutant Melanoma (Phase I and II) and Other Solid Tumors (Phase I Only)
Phase I/II Study of Dabrafenib, Trametinib, and Navitoclax in BRAF Mutant Melanoma (Phase I and II) and Other Solid Tumors (Phase I Only)
Enrollment Status: Active_not_recruiting
Publish Date: September 03, 2025
Intervention Type: Procedure, Biological, Other, Drug
Study Drugs: Dabrafenib, Navitoclax, Trametinib
Study Phase: Phase 1/Phase 2
Safety and Efficacy Study of Retifanlimab and Epacadostat in Combination With Radiation and Bevacizumab in Patients With Recurrent Gliomas
Safety and Efficacy Study of Retifanlimab and Epacadostat in Combination With Radiation and Bevacizumab in Patients With Recurrent Gliomas
Enrollment Status: Active_not_recruiting
Publish Date: August 07, 2025
Intervention Type: Drug, Radiation
Study Drugs: Epacadostat, Bevacizumab
Study Phase: Phase 2
Effect of rhIL-7-hyFc on Increasing Lymphocyte Counts in Patients With Newly Diagnosed Non-severe Lymphopenic Gliomas Following Radiation and Temzolomide
Effect of rhIL-7-hyFc on Increasing Lymphocyte Counts in Patients With Newly Diagnosed Non-severe Lymphopenic Gliomas Following Radiation and Temzolomide
Enrollment Status: Active_not_recruiting
Publish Date: July 02, 2025
Intervention Type: Procedure, Drug, Radiation
Study Drugs: rhIL-7-hyFc, Temozolomide
Study Phase: Phase 1/Phase 2
A Pilot Study of Temporally-modulated Pulsed Radiation Therapy to Reirradiate Recurrent IDH-mutant Gliomas After Prior External Beam Radiation Therapy
A Pilot Study of Temporally-modulated Pulsed Radiation Therapy to Reirradiate Recurrent IDH-mutant Gliomas After Prior External Beam Radiation Therapy
Enrollment Status: Active_not_recruiting
Publish Date: May 29, 2025
Intervention Type: Radiation
Study Phase: Not Applicable
A Phase I/II Dose-escalation and Dose-expansion Study of Disulfiram/Copper With Concurrent Radiation Therapy and Temozolomide in Patients With Newly Diagnosed Glioblastoma
A Phase I/II Dose-escalation and Dose-expansion Study of Disulfiram/Copper With Concurrent Radiation Therapy and Temozolomide in Patients With Newly Diagnosed Glioblastoma
Enrollment Status: Completed
Publish Date: April 10, 2025
Intervention Type: Drug, Procedure, Radiation
Study Drugs: Disulfiram, Copper Gluconate, Temozolomide
Study Phase: Phase 1/Phase 2
Phase II Randomized Trial of Avelumab Plus Cetuximab Versus Avelumab Alone in Advanced Cutaneous Squamous Cell Carcinoma of the Skin (cSCC)
Phase II Randomized Trial of Avelumab Plus Cetuximab Versus Avelumab Alone in Advanced Cutaneous Squamous Cell Carcinoma of the Skin (cSCC)
Enrollment Status: Active_not_recruiting
Publish Date: February 18, 2025
Intervention Type: Drug
Study Drugs: Avelumab, Cetuximab
Study Phase: Phase 2
A Phase II Randomized Study of Nivolumab (NSC-748726) With Ipilimumab (NSC-732442) or Ipilimumab Alone in Advanced Melanoma Patients Refractory to an Anti-PD1 or Anti-PD-L1 Agent
A Phase II Randomized Study of Nivolumab (NSC-748726) With Ipilimumab (NSC-732442) or Ipilimumab Alone in Advanced Melanoma Patients Refractory to an Anti-PD1 or Anti-PD-L1 Agent
Enrollment Status: Completed
Publish Date: January 13, 2025
Intervention Type: Biological
Study Drugs: Ipilimumab, Nivolumab
Study Phase: Phase 2
A Pilot Study to Assess the Safety, Feasibility, and Immunogenicity of a Neoantigen-based Personalized in Patients With Newly Diagnosed, Unmethylated Glioblastoma
A Pilot Study to Assess the Safety, Feasibility, and Immunogenicity of a Neoantigen-based Personalized in Patients With Newly Diagnosed, Unmethylated Glioblastoma
Enrollment Status: Active_not_recruiting
Publish Date: January 10, 2025
Intervention Type: Device, Biological, Drug
Study Drugs: Personalized neoantigen DNA vaccine, Plasmid encoded IL-12
Study Phase: Phase 1
QUILT-3.063: A Phase 2 Study of Combination Therapy With an IL-15 Superagonist (N-803), Off-the-shelf CD16-targeted Natural Killer Cells (haNK), and Avelumab Without Cytotoxic Chemotherapy in Subjects With Merkel Cell Carcinoma (MCC) That Has Progressed on or After Treatment With a Checkpoint Inhibitor.
QUILT-3.063: A Phase 2 Study of Combination Therapy With an IL-15 Superagonist (N-803), Off-the-shelf CD16-targeted Natural Killer Cells (haNK), and Avelumab Without Cytotoxic Chemotherapy in Subjects With Merkel Cell Carcinoma (MCC) That Has Progressed on or After Treatment With a Checkpoint Inhibitor.
Enrollment Status: Terminated
Publish Date: August 09, 2024
Intervention Type: Biological
Study Drugs: Avelumab, N-803, haNK™
Study Phase: Phase 2
A Phase II, Open Label, Multi-Dose Study of ⁸⁹Zr-Df-IAB22M2C (CD8 PET Tracer) for Positron Emission Tomography (PET/CT) in Patients With Selected Advanced or Metastatic Solid Malignancies Who Are Scheduled to Receive Standard-of-Care Immunotherapy Only, As Single Agent or in Combination
A Phase II, Open Label, Multi-Dose Study of ⁸⁹Zr-Df-IAB22M2C (CD8 PET Tracer) for Positron Emission Tomography (PET/CT) in Patients With Selected Advanced or Metastatic Solid Malignancies Who Are Scheduled to Receive Standard-of-Care Immunotherapy Only, As Single Agent or in Combination
Enrollment Status: Completed
Publish Date: July 09, 2024
Intervention Type: Drug
Study Drug: 89Zr-Df-IAB22M2C
Study Phase: Phase 2
A Phase II Randomized Study of Tiragolumab Plus Atezolizumab Versus Atezolizumab in the Treatment of Stage II Melanoma Patients Who Are ctDNA-positive Following Resection
A Phase II Randomized Study of Tiragolumab Plus Atezolizumab Versus Atezolizumab in the Treatment of Stage II Melanoma Patients Who Are ctDNA-positive Following Resection
Enrollment Status: Terminated
Publish Date: February 20, 2024
Intervention Type: Drug, Device
Study Drugs: Atezolizumab, Tiragolumab
Study Phase: Phase 2
A Phase Ib Study of Neoadjuvant Avelumab and Hypofractionated Proton Radiation Therapy Followed by Surgery for Recurrent Radiation-refractory Meningioma
A Phase Ib Study of Neoadjuvant Avelumab and Hypofractionated Proton Radiation Therapy Followed by Surgery for Recurrent Radiation-refractory Meningioma
Enrollment Status: Terminated
Publish Date: June 15, 2023
Intervention Type: Radiation, Drug, Procedure
Study Drug: Avelumab
Study Phase: Phase 1
A Phase 2, Multi-center, Single Arm, Histologically Controlled Study Testing the Combination of TTFields and Pulsed Bevacizumab Treatment in Patients With Bevacizumab-refractory Recurrent Glioblastoma
A Phase 2, Multi-center, Single Arm, Histologically Controlled Study Testing the Combination of TTFields and Pulsed Bevacizumab Treatment in Patients With Bevacizumab-refractory Recurrent Glioblastoma
Enrollment Status: Terminated
Publish Date: June 23, 2022
Intervention Type: Other, Drug, Device
Study Drug: Bevacizumab
Study Phase: Phase 2
Phase II Study of Optune Device - TT Field Plus Nivolumab and Ipilimumab for Melanoma With Brain Metastasis
Phase II Study of Optune Device - TT Field Plus Nivolumab and Ipilimumab for Melanoma With Brain Metastasis
Enrollment Status: Terminated
Publish Date: June 07, 2022
Intervention Type: Biological, Device
Study Drugs: Nivolumab, Ipilimumab
Study Phase: Phase 2
A Pilot Study of Using MRI-Guided Laser Heat Ablation to Induce Disruption of the Peritumoral Blood Brain Barrier to Enhance Delivery and Efficacy of Doxorubicin in the Treatment of Recurrent Glioblastoma Multiforme
A Pilot Study of Using MRI-Guided Laser Heat Ablation to Induce Disruption of the Peritumoral Blood Brain Barrier to Enhance Delivery and Efficacy of Doxorubicin in the Treatment of Recurrent Glioblastoma Multiforme
Enrollment Status: Completed
Publish Date: August 27, 2021
Intervention Type: Device, Drug, Other
Study Phase: Phase 1
Phase II Trial Of Optune® Plus Bevacizumab In Bevacizumab-Refractory Recurrent Glioblastoma
Phase II Trial Of Optune® Plus Bevacizumab In Bevacizumab-Refractory Recurrent Glioblastoma
Enrollment Status: Terminated
Publish Date: June 02, 2021
Intervention Type: Device, Drug
Study Phase: Phase 2
A Pilot Study to Assess the Safety, Feasibility, and Preliminary Efficacy of a Neoepitope-based Personalized Vaccine Approach in Pediatric Patients With Recurrent Brain Tumors
A Pilot Study to Assess the Safety, Feasibility, and Preliminary Efficacy of a Neoepitope-based Personalized Vaccine Approach in Pediatric Patients With Recurrent Brain Tumors
Enrollment Status: Withdrawn
Publish Date: May 25, 2021
Intervention Type: Procedure, Drug, Biological
Study Phase: Phase 1
A Phase IB Trial of Vorolanib (X-82) Combined With Checkpoint Inhibitors in Patients With Solid Tumors
A Phase IB Trial of Vorolanib (X-82) Combined With Checkpoint Inhibitors in Patients With Solid Tumors
Enrollment Status: Terminated
Publish Date: July 29, 2020
Intervention Type: Drug
Study Phase: Phase 1
A Phase II Study of MEDI4736 (Durvalumab) in Patients With Brain Metastasis From Epithelial-derived Tumors
A Phase II Study of MEDI4736 (Durvalumab) in Patients With Brain Metastasis From Epithelial-derived Tumors
Enrollment Status: Terminated
Publish Date: November 06, 2018
Intervention Type: Drug
Study Phase: Phase 2
A Pilot Study to Assess the Safety, Feasibility, and Preliminary Efficacy of a Neoepitope-based Personalized Vaccine Approach in Patients With Newly Diagnosed Glioblastoma
A Pilot Study to Assess the Safety, Feasibility, and Preliminary Efficacy of a Neoepitope-based Personalized Vaccine Approach in Patients With Newly Diagnosed Glioblastoma
Enrollment Status: Terminated
Publish Date: November 17, 2017
Intervention Type: Drug, Biological
Study Phase: Phase 1
View 24 Less Clinical Trials

59 Total Publications

Phase 1b/2 study evaluating safety, efficacy and immune effects of TLR9 agonist cavrotolimod with anti-PD-1 antibodies among patients with advanced solid tumors.
Phase 1b/2 study evaluating safety, efficacy and immune effects of TLR9 agonist cavrotolimod with anti-PD-1 antibodies among patients with advanced solid tumors.
Journal: Journal for immunotherapy of cancer
Published: July 04, 2025
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Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

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