- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04491084
FLT3 Ligand, CD40 Agonist Antibody, and Stereotactic Radiotherapy (FLT3)
FLT3 Ligand (CDX-301), CD40 Agonist Antibody (CDX-1140), and Stereotactic Radiotherapy Versus Standard Therapy for Advanced Non-small Cell Lung Cancer: A Phase I/II Randomized Trial
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
This is a randomized, open-label phase I/II study. Subjects will be randomized in a 1:1 ratio to receive FLT3 ligand (CDX-301), anti-CD40 antibody (CDX-1140) and SBRT (Arm 1) versus standard care (Arm 2). Subjects on either study arm with limited disease will receive SBRT to all evident sites of active disease. Subjects on Arm 1 with extensive disease will initially receive SBRT to a single site of disease but may receive additional "cycles" of FLT3 ligand (CDX-301) anti-CD40 antibody (CDX-1140), and SBRT at later time points. Subjects on Arm 2 with extensive disease are expected to receive some form of standard systemic therapy (e.g., docetaxel). Subjects on Arm 2 with limited disease may also receive standard systemic therapy following completion of SBRT to all sites of evident disease, at the discretion of the treating physicians. All subjects will be followed closely for treatment-related toxicities. Whole-body PET/CT and CT imaging will be performed prior to study entry, and restaging CT will be performed every 8 weeks thereafter.
In the phase I component of this study, subjects will be randomized between study arms until 6 subjects have been randomized to Arm 1. Study accrual will then be halted until 8 weeks after the last study subject begins treatment.
If the pre-specified safety criteria are achieved in the Phase I portion of this study, the study will proceed to phase II. The total sample size (Phase I and Phase II) will be 46 subjects. All 46 subjects will be included in efficacy analyses.
If the pre-specified safety criteria are not achieved in the Phase I portion of this study, the investigators and Celldex will review safety data from this trial as well as other trials using CDX-301 and CDX-1140 and determine if the experimental treatment regimen should be altered (e.g., by reducing the CDX-1140 dose). The study protocol would be amended accordingly, and Phase I component with the new treatment regimen would be added.
Study Type
Enrollment (Actual)
Phase
- Phase 2
- Phase 1
Contacts and Locations
Study Locations
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New York
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Bronx, New York, United States, 10461
- Albert Einstein College of Medicine
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Histologically proven NSCLC, not classically deemed to be amenable to curative therapy based on disease extent at the time of diagnosis or disease progression after the initial diagnosis
- Age ≥ 18 years
- Prior treatment with at least two lines of systemic therapy for advanced NSCLC, including one line of platinum-based combination chemotherapy
- Treatment with concurrent chemotherapy and immunotherapy can count as two lines of therapy for the purposes of study eligibility.
- Radiological assessment within 21 days prior to study entry demonstrating measurable disease that includes at least one pulmonary or extrapulmonary lesion ≥ 1 cm in greatest dimension that would be amenable to SBRT and at least one measurable lesion that would be outside of the SBRT treatment fields
- ECOG performance status 0-2
- Both men and women enrolled in this trial must agree to use adequate birth control measures during the trial and for at least 90 days after last receipt of study therapy. Patients and/or partners who are surgically sterile or postmenopausal are exempt from this requirement.
- The following laboratory results, within 21 days prior to first study drug administration (Arm 1) or within 21 days prior to study registration (Arm 2):
Hemoglobin ≥ 9.0 g/dL Absolute neutrophil count ≥ 1.5 x 109/L Platelet count ≥ 100 x 109/L Serum creatinine ≤ 1.5 x ULN OR creatinine clearance (by Cockcroft-Gault formula) > 60 mL/min AST and ALT ≤ 2.5 x ULN Total bilirubin ≤ 2.0 x ULN (except patients with Gilbert's syndrome, who must have a total bilirubin ≤ 3.0 mg/dL)
-Negative SARS-CoV-2 (COVID-19) PCR test. COVID-19 testing may be repeated periodically based on institutional policies and must be repeated for any subject with unexplained signs (e.g., imaging findings, fever) or symptoms (e.g., anosmia) concerning for COVID-19 infection or with recent known exposure to COVID-19.
Exclusion Criteria:
- Prior therapy with any anti-CD40 antibody or FLT3 ligand
- Less than 21 days between registration and the last receipt of chemotherapy, targeted cancer therapy, immunotherapy, radiotherapy (excluding palliative radiotherapy), or major surgery.
- Untreated central nervous system metastases. Patients with a history of brain metastases must have had no CNS-directed therapy within the past 60 days and radiological assessment within 30 days of study entry demonstrating a lack of progressive CNS disease. -Patients without a history of brain metastases and without symptoms suggestive of brain metastasis do not require staging imaging of the brain prior to study enrollment.
- Known mutation/amplification in FLT3
- Ongoing or recent (within 21 days prior to study entry) use of high dose oral corticosteroids (≥ 2 mg of dexamethasone daily or equivalent) or inhaled corticosteroids. Intranasal and/or intraarticular corticosteroid use is permitted.
- History of non-infectious pneumonitis or any ongoing pneumonitis
- History of allogeneic organ transplant or active autoimmune disease
- Other active malignancy for which systemic therapy (excluding hormonal therapy for breast or prostate cancer) is indicated.
- History of myocardial infarction, cerebral vascular accident, thrombosis, or pulmonary embolus within 12 months prior to study registration.
- Uncontrolled intercurrent illness including, but not limited to, symptomatic congestive heart failure, unstable angina pectoris, uncontrolled cardiac arrhythmia, or psychiatric illness/social situation that would limit compliance with study requirements as judged by the treating physicians
- Active infection requiring systemic therapy, known HIV infection, or positive test for hepatitis B surface antigen or hepatitis C (antibody screen and if positive confirmed by RNA analysis). If positive results are not indicative of a true active or chronic infection, the patient can be enrolled after discussion with, and agreement by, the Principal Investigator.
- Receipt of a live vaccine within 30 days prior to the first dose of study drug. Examples of live vaccines include, but are not limited to, the following: measles, mumps, rubella, varicella/zoster (chicken pox), yellow fever, rabies, Bacillus Calmette-Guérin (BCG), and typhoid vaccine. Seasonal influenza vaccines for injection are generally killed virus vaccines and are allowed; however, intranasal influenza vaccines (e.g., FluMist®) are live attenuated vaccines and are not allowed.
- Subjects who are not ambulatory or ambulate using a walker are not eligible for the objective activity monitoring component of this study.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: FLT3 ligand (CDX-301), anti-CD40 antibody (CDX-1140), and SBRT
Subjects on either study arm with limited disease will receive SBRT to all evident sites of active disease.
Subjects on Arm 1 with extensive disease will initially receive SBRT to a single site of disease but may receive additional "cycles" of FLT3 ligand, anti-CD40 antibody, and SBRT at later time points.
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Fms-like tyrosine kinase 3 (FLT3) ligand is a potent hematopoietic growth factor that mobilizes stem cells and greatly increases the number of circulating dendritic cells (DCs) in blood and organs.
CD40 is a key molecule in the regulation of immune responses whose activity can be modulated using antibodies.
CD40 is a tumor necrosis factor receptor superfamily member expressed on antigen presenting cells, including dendritic cells, as well as a host of other cell types, including a wide range of tumor cells
For subjects on Arm 1, SBRT will be delivered concurrently with FLT3 ligand during Week 1 of study therapy.
If only one lesion is being treated, SBRT should be completed during week 1 (e.g., with daily treatments for a 5-fraction course of treatments every other day for a 3-fraction course).
In cases where multiple lesions are being treated with SBRT (Arm 1 or Arm 2) or if treatment is interrupted due to technical issues or intercurrent illness, SBRT may extend beyond Week 1.
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Active Comparator: Standard care
Subjects on either study arm with limited disease will receive SBRT to all evident sites of active disease.Subjects on Arm 2 with extensive disease are expected to receive some form of standard systemic therapy (e.g., docetaxel).
Subjects on Arm 2 with limited disease may also receive standard systemic therapy following completion of SBRT to all sites of evident disease, at the discretion of the treating physicians.
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For subjects on Arm 1, SBRT will be delivered concurrently with FLT3 ligand during Week 1 of study therapy.
If only one lesion is being treated, SBRT should be completed during week 1 (e.g., with daily treatments for a 5-fraction course of treatments every other day for a 3-fraction course).
In cases where multiple lesions are being treated with SBRT (Arm 1 or Arm 2) or if treatment is interrupted due to technical issues or intercurrent illness, SBRT may extend beyond Week 1.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Phase I: Dose-limiting Toxicity (DLT), Defined as Follows:
Time Frame: up to 8 weeks after initiation of study therapy
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Death Any ≥ Grade 3 non-hematological toxicity, with the following exceptions: Grade 3 alopecia, vitiligo, or endocrinopathies controlled by hormone replacement therapy Grade 3 nausea that resolves to ≤ grade 2 with or without treatment within 72 hours Grade 3 vomiting and diarrhea that resolves to ≤ grade 2 with or without treatment within 72 hours Grade 3 fatigue that resolves to ≤ grade 2 within 5 days Grade 3 hypertension in the absence of maximal medical therapy Grade 3 adverse event of tumor flare (defined as local pain, irritation, or rash localized at sites of known or suspected tumor) of ≤ 7 days in duration Grade 3 amylase or lipase abnormalities that are not associated with symptoms or clinical manifestations of pancreatitis. It is recommended to consult with the Principal Investigator for grade 4 amylase or lipase abnormalities Grade 3 clinically significant laboratory abnormalities that are asymptomatic and can be reversed within 72 hours, however: Any Grade 4 |
up to 8 weeks after initiation of study therapy
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Phase II: Progression-free Survival (PFS) Duration
Time Frame: defined as time from study registration until disease progression (scored using iRECIST) or death, whichever comes first up to 51 weeks.
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defined as time from study registration until disease progression (scored using iRECIST) or death, whichever comes first up to 51 weeks.
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Overall Survival (OS) Duration
Time Frame: From date of registration until the date of death from any cause, assessed up to 2 years
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Length of time that patient survives from time of study registration
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From date of registration until the date of death from any cause, assessed up to 2 years
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Radiographic Responses Using Descriptive Statistics
Time Frame: From date of registration, assessed up to 4 months
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The clinical benefit rate (CBR) will be defined as the percentage of subjects who achieve best response of confirmed CR or PR, or stable disease (SD) for at least four months.
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From date of registration, assessed up to 4 months
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Quality of Life Using EORTC QLQ-LC13 (Quality of Life Questionnaire, Lung Cancer)
Time Frame: 1 year
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Summary statistics (mean, standard deviation, median, 25th and 75th percentiles, and range) and the mean change from baseline of linear-transformed scores will be reported for all the items and subscales of the EORTC QLQ-C30 questionnaire and the QLQ-LC13, according to the EORTC scoring manual guidelines.
higher scores are a better level of functioning
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1 year
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Quality of Life Using QLQ-C30 (Quality of Life Questionnaire)
Time Frame: 1 year
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Summary statistics (mean, standard deviation, median, 25th and 75th percentiles, and range) and the mean change from baseline of linear-transformed scores will be reported for all the items and subscales of the EORTC QLQ-C30 questionnaire and the QLQ-LC13, according to the EORTC scoring manual guidelines.
Most items are scored 1 to 4, higher scores are a better level of functioning.
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1 year
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Daily Step Count Using Descriptive Statistics
Time Frame: 1 year
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Average daily step counts
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1 year
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Collaborators and Investigators
Collaborators
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Estimated)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Respiratory Tract Diseases
- Neoplasms
- Lung Diseases
- Neoplasms by Site
- Respiratory Tract Neoplasms
- Thoracic Neoplasms
- Carcinoma, Bronchogenic
- Bronchial Neoplasms
- Lung Neoplasms
- Carcinoma, Non-Small-Cell Lung
- Physiological Effects of Drugs
- Immunologic Factors
- Protective Agents
- Adjuvants, Immunologic
- Radiation-Protective Agents
- Antibodies
- Flt3 ligand protein
Other Study ID Numbers
- 2020-11868
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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