Dr. Guy H. Grayson

Pediatric Hematology Oncology
1911 Lubbock St, Suite C, 
Harlingen, TX 
Clinical Trials:Currently Recruiting for 3 Trials
1911 Lubbock St, Suite C, 
Harlingen, TX 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Guy Grayson is a Pediatric Hematologist Oncology provider in Harlingen, Texas. Dr. Grayson is rated as an Experienced provider by MediFind in the treatment of Immune Thrombocytopenic Purpura (ITP). His top areas of expertise are Adult Soft Tissue Sarcoma, Embryonal Tumor with Multilayered Rosettes, Leukemia, and Langerhans Cell Histiocytosis.

His clinical research consists of co-authoring 2 peer reviewed articles and participating in 22 clinical trials. MediFind looks at clinical research from the past 15 years.

Specialties
Pediatric Hematology Oncology
Licenses
Pediatric Hematology-Oncology in TX
Languages Spoken
English
Gender
Male

Insurance

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

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Accepted insurance plans:

Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO

Locations

1911 Lubbock St, Suite C, Harlingen, TX 78550

Additional Areas of Focus

Dr. Grayson 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.

Immune Thrombocytopenic Purpura (ITP)

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.

22 Clinical Trials

A Phase 3 Study of Active Surveillance for Low Risk and a Randomized Trial of Carboplatin vs. Cisplatin for Standard Risk Pediatric and Adult Patients With Germ Cell Tumors
A Phase 3 Study of Active Surveillance for Low Risk and a Randomized Trial of Carboplatin vs. Cisplatin for Standard Risk Pediatric and Adult Patients With Germ Cell Tumors
Enrollment Status: Recruiting
Publish Date: September 18, 2025
Intervention Type: Other, Procedure, Biological, Drug
Study Drugs: Bleomycin, Bleomycin Sulfate, Carboplatin, Cisplatin, Etoposide, Etoposide Phosphate
Study Phase: Phase 3
The Project: EveryChild Protocol: A Registry, Eligibility Screening, Biology and Outcome Study
The Project: EveryChild Protocol: A Registry, Eligibility Screening, Biology and Outcome Study
Enrollment Status: Recruiting
Publish Date: August 12, 2025
Intervention Type: Other
Neuroblastoma Biology Studies
Neuroblastoma Biology Studies
Enrollment Status: Recruiting
Publish Date: April 16, 2025
Intervention Type: Other
Risk-Stratified Randomized Phase III Testing of Blinatumomab (NSC#765986) in First Relapse of Childhood B-Lymphoblastic Leukemia (B-ALL)
Risk-Stratified Randomized Phase III Testing of Blinatumomab (NSC#765986) in First Relapse of Childhood B-Lymphoblastic Leukemia (B-ALL)
Enrollment Status: Active_not_recruiting
Publish Date: October 15, 2025
Intervention Type: Drug, Procedure, Biological, Other, Radiation
Study Drugs: Asparaginase, Blinatumomab, Cyclophosphamide, Cytarabine, Dexamethasone, Etoposide, Leucovorin Calcium, Mercaptopurine, Methotrexate, Mitoxantrone, Mitoxantrone Hydrochloride, Pegaspargase, Hydrocortisone, Thioguanine, Vincristine, Vincristine Sulfate
Study Phase: Phase 3
Randomized Phase 3 Trial Evaluating the Addition of the IGF-1R Monoclonal Antibody Ganitumab (AMG 479, NSC# 750008) to Multiagent Chemotherapy for Patients With Newly Diagnosed Metastatic Ewing Sarcoma
Randomized Phase 3 Trial Evaluating the Addition of the IGF-1R Monoclonal Antibody Ganitumab (AMG 479, NSC# 750008) to Multiagent Chemotherapy for Patients With Newly Diagnosed Metastatic Ewing Sarcoma
Enrollment Status: Active_not_recruiting
Publish Date: October 07, 2025
Intervention Type: Drug, Procedure, Biological, Radiation
Study Drugs: Cyclophosphamide, Doxorubicin, Doxorubicin Hydrochloride, Etoposide, Etoposide Phosphate, Ganitumab, Ifosfamide, Vincristine, Vincristine Sulfate
Study Phase: Phase 3
A Randomized Phase 3 Study of Vincristine, Dactinomycin, Cyclophosphamide (VAC) Alternating With Vincristine and Irinotecan (VI) Versus VAC/VI Plus Temsirolimus (TORI, Torisel, NSC# 683864) in Patients With Intermediate Risk (IR) Rhabdomyosarcoma (RMS)
A Randomized Phase 3 Study of Vincristine, Dactinomycin, Cyclophosphamide (VAC) Alternating With Vincristine and Irinotecan (VI) Versus VAC/VI Plus Temsirolimus (TORI, Torisel, NSC# 683864) in Patients With Intermediate Risk (IR) Rhabdomyosarcoma (RMS)
Enrollment Status: Active_not_recruiting
Publish Date: September 22, 2025
Intervention Type: Radiation, Drug, Biological, Other
Study Drugs: Cyclophosphamide, Dactinomycin, Irinotecan hydrochloride, Temsirolimus, Vincristine sulfate, Vinorelbine
Study Phase: Phase 3
A Phase III Randomized Trial for Newly Diagnosed High Risk B-Lymphoblastic Leukemia (B-ALL) Including a Stratum Evaluating Dasatinib (NSC#732517) in Patients With Ph-like Tyrosine Kinase Inhibitor (TKI) Sensitive Mutations
A Phase III Randomized Trial for Newly Diagnosed High Risk B-Lymphoblastic Leukemia (B-ALL) Including a Stratum Evaluating Dasatinib (NSC#732517) in Patients With Ph-like Tyrosine Kinase Inhibitor (TKI) Sensitive Mutations
Enrollment Status: Active_not_recruiting
Publish Date: August 21, 2025
Intervention Type: Drug, Other, Radiation
Study Drugs: Clofarabine, Cyclophosphamide, Cytarabine, Dasatinib, Daunorubicin Hydrochloride, Dexamethasone, Doxorubicin Hydrochloride, Etoposide, Hydrocortisone Sodium Succinate, Leucovorin Calcium, Mercaptopurine, Methotrexate, Pegaspargase, Prednisone, Thioguanine, Vincristine Sulfate
Study Phase: Phase 3
Utilizing Response- and Biology-Based Risk Factors to Guide Therapy in Patients With Non-High-Risk Neuroblastoma
Utilizing Response- and Biology-Based Risk Factors to Guide Therapy in Patients With Non-High-Risk Neuroblastoma
Enrollment Status: Active_not_recruiting
Publish Date: August 12, 2025
Intervention Type: Drug, Procedure, Other
Study Drugs: Carboplatin, Cyclophosphamide, Doxorubicin Hydrochloride, Etoposide
Study Phase: Phase 3
Pazopanib Neoadjuvant Trial in Non-Rhabdomyosarcoma Soft Tissue Sarcomas (PAZNTIS): A Phase II/III Randomized Trial of Preoperative Chemoradiation or Preoperative Radiation Plus or Minus Pazopanib (NSC# 737754)
Pazopanib Neoadjuvant Trial in Non-Rhabdomyosarcoma Soft Tissue Sarcomas (PAZNTIS): A Phase II/III Randomized Trial of Preoperative Chemoradiation or Preoperative Radiation Plus or Minus Pazopanib (NSC# 737754)
Enrollment Status: Active_not_recruiting
Publish Date: August 11, 2025
Intervention Type: Drug, Radiation, Procedure
Study Drugs: Doxorubicin, Ifosfamide, Pazopanib
Study Phase: Phase 2/Phase 3
A Phase III Randomized Trial for Patients With De Novo AML Using Bortezomib and Sorafenib (NSC# 681239, NSC# 724772) for Patients With High Allelic Ratio FLT3/ITD
A Phase III Randomized Trial for Patients With De Novo AML Using Bortezomib and Sorafenib (NSC# 681239, NSC# 724772) for Patients With High Allelic Ratio FLT3/ITD
Enrollment Status: Active_not_recruiting
Publish Date: August 11, 2025
Intervention Type: Other, Drug
Study Drugs: Asparaginase, Bortezomib, Cytarabine, Daunorubicin, Etoposide, Mitoxantrone, Sorafenib
Study Phase: Phase 3
Treatment of Children With All Stages of Hepatoblastoma With Temsirolimus (NSC#683864) Added to High Risk Stratum Treatment
Treatment of Children With All Stages of Hepatoblastoma With Temsirolimus (NSC#683864) Added to High Risk Stratum Treatment
Enrollment Status: Active_not_recruiting
Publish Date: August 11, 2025
Intervention Type: Drug, Other, Procedure
Study Drugs: Cisplatin, Dexrazoxane, Doxorubicin Hydrochloride, Fluorouracil, Irinotecan Hydrochloride, Temsirolimus, Vincristine Sulfate
Study Phase: Phase 3
A Randomized Phase 3 Study of Brentuximab Vedotin (SGN-35) for Newly Diagnosed High-Risk Classical Hodgkin Lymphoma (cHL) in Children and Young Adults
A Randomized Phase 3 Study of Brentuximab Vedotin (SGN-35) for Newly Diagnosed High-Risk Classical Hodgkin Lymphoma (cHL) in Children and Young Adults
Enrollment Status: Active_not_recruiting
Publish Date: July 28, 2025
Intervention Type: Other, Drug, Biological
Study Drugs: Bleomycin, Brentuximab, Cyclophosphamide, Doxorubicin, Etoposide, Methylprednisolone, Prednisone, Vincristine
Study Phase: Phase 3
Treatment of Patients With Newly Diagnosed Standard Risk B-Lymphoblastic Leukemia (B-ALL) or Localized B-Lineage Lymphoblastic Lymphoma (B-LLy)
Treatment of Patients With Newly Diagnosed Standard Risk B-Lymphoblastic Leukemia (B-ALL) or Localized B-Lineage Lymphoblastic Lymphoma (B-LLy)
Enrollment Status: Active_not_recruiting
Publish Date: April 01, 2025
Intervention Type: Other, Drug
Study Drugs: Cyclophosphamide, Cytarabine, Dexamethasone, Doxorubicin Hydrochloride, Leucovorin Calcium, Mercaptopurine, Methotrexate, Pegaspargase, Thioguanine, Vincristine Sulfate
Study Phase: Phase 3
Renal Tumors Classification, Biology, and Banking Study
Renal Tumors Classification, Biology, and Banking Study
Enrollment Status: Active_not_recruiting
Publish Date: March 25, 2025
Intervention Type: Other
Key Adverse Events After Childhood Cancer
Key Adverse Events After Childhood Cancer
Enrollment Status: Active_not_recruiting
Publish Date: March 07, 2025
Intervention Type: Other
Phase III Randomized Trial of Post-Radiation Chemotherapy in Patients With Newly Diagnosed Ependymoma Ages 1 to 21 Years
Phase III Randomized Trial of Post-Radiation Chemotherapy in Patients With Newly Diagnosed Ependymoma Ages 1 to 21 Years
Enrollment Status: Active_not_recruiting
Publish Date: October 26, 2024
Intervention Type: Drug, Radiation, Biological, Other
Study Drugs: Carboplatin, Cisplatin, Cyclophosphamide, Etoposide, Vincristine
Study Phase: Phase 3
A Randomized Phase 2 Trial of Brentuximab Vedotin (SGN35, NSC# 749710), or Crizotinib (NSC#749005, Commercially Labeled) in Combination With Chemotherapy for Newly Diagnosed Patients With Anaplastic Large Cell Lymphoma (ALCL)
A Randomized Phase 2 Trial of Brentuximab Vedotin (SGN35, NSC# 749710), or Crizotinib (NSC#749005, Commercially Labeled) in Combination With Chemotherapy for Newly Diagnosed Patients With Anaplastic Large Cell Lymphoma (ALCL)
Enrollment Status: Completed
Publish Date: April 30, 2024
Intervention Type: Drug
Study Drugs: Brentuximab Vedotin, Crizotinib, Cyclophosphamide, Cytarabine, Dexamethasone, Doxorubicin Hydrochloride, Etoposide, Ifosfamide, Methotrexate
Study Phase: Phase 2
A COG Study for Collecting and Banking Ewing Sarcoma Specimens
A COG Study for Collecting and Banking Ewing Sarcoma Specimens
Enrollment Status: Completed
Publish Date: October 03, 2023
Intervention Type: Other
Classification of Newly Diagnosed Acute Lymphoblastic Leukemia (ALL)
Classification of Newly Diagnosed Acute Lymphoblastic Leukemia (ALL)
Enrollment Status: Completed
Publish Date: October 03, 2023
Intervention Type: Other
A COG Soft Tissue Sarcoma Diagnosis, Biology and Banking Protocol
A COG Soft Tissue Sarcoma Diagnosis, Biology and Banking Protocol
Enrollment Status: Completed
Publish Date: October 03, 2023
Intervention Type: Other
A Randomized Open-Label Trial of Caspofungin Versus Fluconazole to Prevent Invasive Fungal Infections in Children Undergoing Chemotherapy for Acute Myeloid Leukemia (AML)
A Randomized Open-Label Trial of Caspofungin Versus Fluconazole to Prevent Invasive Fungal Infections in Children Undergoing Chemotherapy for Acute Myeloid Leukemia (AML)
Enrollment Status: Completed
Publish Date: March 30, 2021
Intervention Type: Drug, Other
Study Phase: Phase 3
A Children's Oncology Group Protocol for Collecting and Banking Pediatric Brain Tumor Research Specimens
A Children's Oncology Group Protocol for Collecting and Banking Pediatric Brain Tumor Research Specimens
Enrollment Status: Completed
Publish Date: July 16, 2018
Intervention Type: Other
View 19 Less Clinical Trials

2 Total Publications

Pediatric spontaneous tension pneumothorax in Langerhans cell histiocytosis.
Pediatric spontaneous tension pneumothorax in Langerhans cell histiocytosis.
Journal: Proceedings (Baylor University. Medical Center)
Published: January 18, 2021
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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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