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Pilot Dose Escalation Trial of Stereotactic Body Radiation Therapy (SBRT) in Combination With GC4419 in Pancreatic Cancer

2018-02-12

2020-08-21

2021-05-26

42

Study Overview

Pilot Dose Escalation Trial of Stereotactic Body Radiation Therapy (SBRT) in Combination With GC4419 in Pancreatic Cancer

The purpose of the phase I/II clinical study is to determine the best dose of fractionated stereotactic radiation therapy (SBRT) given either with Avasopasem manganese (GC4419) or placebo to patients who have been diagnosed with locally advanced pancreatic cancer.

This is a parallel arm adaptive design phase I-II dose-finding study to determine the optimal dose of fractionated stereotactic radiation therapy (SBRT), given either with the radiomodulating agent Avasopasem manganese (GC4419) or placebo for treatment of locally advanced pancreatic cancer. Dose-finding will be done using the sequentially adaptive phase I-II Late onset Efficacy-Toxicity (LO-ET) trade-off-based design [1-3]. A maximum of 48 patients will be randomized 1:1 to Arm A or Arm B. Patients in Arm A will receive Avasopasem manganese (GC4419) in combination with their assigned SBRT dose, and patients in Arm B will receive Placebo (PBO) with their assigned SBRT dose. The randomization will be restricted so that the sample size within each arm is exactly 24 patients. GC4419/placebo will be given intravenously in a one hour infusion. SBRT must be initiated as soon as possible upon completion of the GC4419/placebo infusion. GC4419/placebo will be given beginning on the first day of radiation and continuing daily, concurrent M-F throughout the administration of SBRT

  • Pancreatic Cancer
  • Stereotactic Body Radiation Therapy
  • DRUG: GC4419
  • DRUG: Placebo
  • RADIATION: Stereotactic Radiation Therapy (SBRT) 50 Gy
  • RADIATION: Stereotactic Radiation Therapy (SBRT) 55 Gy
  • GTI-4419-101

Study Record Dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Registration Dates Results Reporting Dates Study Record Updates

2017-11-08  

2023-01-11  

2023-11-29  

2017-11-09  

2023-11-29  

2023-12-15  

2017-11-14  

2023-12-15  

2023-01  

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

Design Details

Primary Purpose:
Treatment

Allocation:
Randomized

Interventional Model:
Parallel

Masking:
Quadruple

Arms and Interventions

Participant Group/ArmIntervention/Treatment
EXPERIMENTAL: GC4419 90mg +50 Gy SBRT

Avasopasem manganese (GC4419) +SBRT

DRUG: GC4419

  • 90 mg Avasopasem (GC4419) per day daily (60 min IV infusion, prior to SBRT), concurrent with daily fractions of SBRT to assigned dose level

RADIATION: Stereotactic Radiation Therapy (SBRT) 50 Gy

  • Dose-finding will be done using the sequentially adaptive phase I-II Late onset Efficacy-Toxicity (LO-ET) trade-off-based design.
EXPERIMENTAL: GC4419 90 mg + 55 Gy SBRT

Avasopasem manganese (GC4419) +SBRT

DRUG: GC4419

  • 90 mg Avasopasem (GC4419) per day daily (60 min IV infusion, prior to SBRT), concurrent with daily fractions of SBRT to assigned dose level

RADIATION: Stereotactic Radiation Therapy (SBRT) 55 Gy

  • Dose-finding will be done using the sequentially adaptive phase I-II Late onset Efficacy-Toxicity (LO-ET) trade-off-based design.
PLACEBO_COMPARATOR: Placebo + 50 Gy SBRT

Placebo +SBRT

DRUG: Placebo

  • Placebo daily (60 min IV infusion, prior to SBRT), concurrent with daily fractions of SBRT to assigned dose level

RADIATION: Stereotactic Radiation Therapy (SBRT) 50 Gy

  • Dose-finding will be done using the sequentially adaptive phase I-II Late onset Efficacy-Toxicity (LO-ET) trade-off-based design.
PLACEBO_COMPARATOR: Placebo + 55 Gy SBRT

Placebo + SBRT

DRUG: Placebo

  • Placebo daily (60 min IV infusion, prior to SBRT), concurrent with daily fractions of SBRT to assigned dose level

RADIATION: Stereotactic Radiation Therapy (SBRT) 55 Gy

  • Dose-finding will be done using the sequentially adaptive phase I-II Late onset Efficacy-Toxicity (LO-ET) trade-off-based design.
Primary Outcome MeasuresMeasure DescriptionTime Frame
CTCAE Grade 3 or 4 Gastro-intestinal (GI) Toxicities or Death Within 90 Days From the Start of TherapyNumber of Common Terminology Criteria Adverse Events (CTCAE) that are grade 3 or 4 gastro-intestinal (GI) toxicities or deaths. CTCAE grade 3 or 4 gastro-intestinal toxicities are those adverse events that a subject may experience in their gastro-intestinal system that have been graded by the treating investigator to be severe (Grade 3) or life-threatening (Grade 4).Within 90 days from the start of therapy "related" after CTCAE
Radiographic Stable Disease (SD) or Better Based on RECIST CriteriaPer Response Evaluation Criteria In Solid Tumors (RECIST) criteria for target lesions that are assessed by radiographic imaging : Complete Response (CR) is the disappearance of all target lesions; Partial Response (PR) is at least a 30% decrease in the longest diameter of the target lesions; Stable disease (SD) is neither sufficient shrinkage to qualify for a PR nor sufficient increase to qualify for local progressive disease (LPD); Local Progressive Disease (LPD) is at least a 20% increase in the longest diameter of the target lesion, utilizing the baseline measurement as reference.All subjects assessed with at least 12 months of follow up following the administration of SBRT
Secondary Outcome MeasuresMeasure DescriptionTime Frame

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person’s general health condition or prior treatments.

Ages Eligible for Study:
ALL

Sexes Eligible for Study:
18 Years

Accepts Healthy Volunteers:

    Inclusion Criteria:
    1. Cytologic or biopsy confirmed adenocarcinoma of the pancreatic head, body or tail 2. Disease that is appropriate for SBRT by virtue of being:
    a. Locally advanced and technicallyunresectable, as determined by a pancreaticobiliary surgeon as part of a multidisciplinary review at the investigative site, including multi-phasic CT demonstrating: i.Greater than 180 degree tumor involvement of the superior mesenteric artery ii. Greater than 180 degree tumor involvement of the celiac axis, including major branches of the celiac axis that render it unresectable (e.g. common hepatic artery).
    iii. Tumor involvement of the first branch of the SMA that is not surgically reconstructible iv. Long segment involvement of the superior mesenteric vein/portal vein or hepatic artery that is not surgically reconstructible b. Potentially resectable, but patient is judged not a candidate for surgery, after multidisciplinary review at the investigative site; c. Potentially resectable, but the patients refuses surgery and is considered an acceptable candidate for SBRT after multidisciplinary review at the investigative site; d. "Borderline" resectable, as determined by multidisciplinary review, including absence of distant lymphadenopathy and the primary tumor characterized by one of more of the following: i. A tumor-vessel interface (TVI) with the mesenteric vein (SMV) or portal vein (PV) measuring ≥180° of the circumference of either vein's wall or short-segment occlusion of either vein with a normal vein above or below the obstruction amenable to reconstruction; ii. Any TVI with the common hepatic artery (CHA) with normal artery proximal and distal to the TVI amenable to reconstruction; iii. A TVI with the superior mesenteric artery (SMA) measuring <180° of the circumference of the vessel wall 3. Pancreatic tumor size and limited bowel involvement by tumor must be judged acceptable for SBRT at the discretion of the treating investigator 4. No evidence of distant metastasis either prior to or after induction chemotherapy. 5. Completion of at least 3 months of standard induction chemotherapy for LAPC, which should consist of either FOLFIRINOX, gemcitabine or nab-paclitaxel or another standard combination of induction chemotherapy agents 6. Patient must have metal stent in place if duodenal stent is required. If patient has plastic stent, this must be replaced prior to radiation. 7. Ability to understand and follow the breathing instructions involved in the respiratory gating procedure or to tolerate compression sufficient to reduce fiducial motion to <= 5mm. 8. Age 18 years or older 9. Eastern Cooperative Oncology Group (ECOG) performance status ≤ 2 (0, 1 or 2) 10. Adequate hematologic function as indicated by i. Absolute neutrophil counts (ANC) ≥ 1,500/mm3 ii. Hemoglobin (Hgb) ≥ 8.0 g/dL iii. Platelet count ≥ 75,000/mm3 11. Adequate renal and liver function as indicated by:
    i. Creatinine ≤ 1.5 x upper-normal limit (ULN) ii. Total bilirubin ≤ 1.5 x upper-normal limit (ULN) iii. Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) ≤ 2.5 x ULN iv. Alkaline phosphatase ≤ 2.5 x ULN 12. Properly obtained written informed consent
    Exclusion Criteria:
    1. Prior radiation therapy to the abdomen that would overlap with treatment field 2. Prior surgical resection of pancreatic tumor 3. Receiving any approved or investigational anti-cancer agent other than those provided for in this study 4. Uncontrolled or active gastric or duodenal ulcer disease within 30 days of enrollment 5. Visible invasion of tumor into the lumen of the bowel or stomach on endoscopy (Note: Radiological infiltration into bowel is allowed, unless deemed clinically unsafe.) 6. Residual or ongoing ≥ Grade 3 non-hematologic toxicity from chemotherapy 7. Contraindication to IV contrast 8. Concurrent participation in another interventional clinical trial or use of another investigational agent within 30 days of study entry Note: Patients who are participating in non-interventional clinical trials (e.g., QOL, imaging, observational, follow-up studies, etc.) are eligible, regardless of the timing of participation. 9. Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, renal failure, cardiac arrhythmia, or psychiatric illness that would limit compliance with treatment 10. Second primary malignancy within the last 5 years, unless treated definitively and with low risk of recurrence in the judgment of the treating investigator 11. Known history of HIV or active hepatitis B/C (patients who have been vaccinated for hepatitis B and do not have a history of infection are eligible) 12. Female patients who are pregnant or breastfeeding 13. Women of child-bearing potential who are unwilling or unable to use an acceptable method of birth control to avoid pregnancy for the entire study period and for 30 days after the last dose of GC4419. This includes any woman who has experienced menarche but has not undergone successful surgical sterilization or is not postmenopausal (defined as amenorrhea for at least 12 consecutive months, or women on hormone replacement therapy with serum FSH levels greater than 35 mIU/mL. A negative urine or serum pregnancy test must be obtained within 14 days prior to the start of study therapy in all women of child-bearing potential. 14. Male subjects who are unwilling or unable to use an acceptable method of birth control to avoid pregnancy for the entire study period and for up to 90 days after the last dose of GC4419 are excluded. 15. Requirement for concurrent treatment with nitrates or other drugs that may, in the judgment of the treating investigator, create a risk for a precipitous decrease in blood pressure. 16. Medical history that includes any condition, or requires the use of concomitant medications which, in the investigator's judgment, are associated with or create a risk of increased carotid sinus sensitivity, symptomatic bradycardia, or syncopal episodes.

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

  • M.D. Anderson Cancer Center
  • STUDY_CHAIR: Gene Kennedy, MD, Galera Therapeutics

Publications

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

  • Hoffe S, Frakes JM, Aguilera TA, Czito B, Palta M, Brookes M, Schweizer C, Colbert L, Moningi S, Bhutani MS, Pant S, Tzeng CW, Tidwell RS, Thall P, Yuan Y, Moser EC, Holmlund J, Herman J, Taniguchi CM. Randomized, Double-Blinded, Placebo-controlled Multicenter Adaptive Phase 1-2 Trial of GC 4419, a Dismutase Mimetic, in Combination with High Dose Stereotactic Body Radiation Therapy (SBRT) in Locally Advanced Pancreatic Cancer (PC). Int J Radiat Oncol Biol Phys. 2020 Dec 1;108(5):1399-1400. doi: 10.1016/j.ijrobp.2020.09.022. Epub 2020 Nov 18. No abstract available. Erratum In: Int J Radiat Oncol Biol Phys. 2023 Jul 1;116(3):698. doi: 10.1016/j.ijrobp.2023.01.025.
  • Sishc BJ, Ding L, Nam TK, Heer CD, Rodman SN, Schoenfeld JD, Fath MA, Saha D, Pulliam CF, Langen B, Beardsley RA, Riley DP, Keene JL, Spitz DR, Story MD. Avasopasem manganese synergizes with hypofractionated radiation to ablate tumors through the generation of hydrogen peroxide. Sci Transl Med. 2021 May 12;13(593):eabb3768. doi: 10.1126/scitranslmed.abb3768.
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The information and services provided by the National Pancreatic Cancer Foundation are for informational purposes only. The information and services are not intended to be substitutes for professional medical advice, diagnosis or treatment. The National Pancreatic Cancer Foundation does not recommend nor endorse any specific physicians, products or treatments even though they may be mentioned on this site.

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