A Phase I/II Study of Pexa-Vec Oncolytic Virus in Combination With Immune Checkpoint Inhibition in Refractory Colorectal Cancer
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ClinicalTrials.gov Identifier: NCT03206073 |
Recruitment Status :
Active, not recruiting
First Posted : July 2, 2017
Results First Posted : October 26, 2021
Last Update Posted : January 26, 2023
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Sponsor:
National Cancer Institute (NCI)
Information provided by (Responsible Party):
Tim Greten, M.D., National Cancer Institute (NCI)
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Study Type | Interventional |
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Study Design | Allocation: Non-Randomized; Intervention Model: Sequential Assignment; Masking: None (Open Label); Primary Purpose: Treatment |
Conditions |
Colorectal Cancer Colorectal Carcinoma Colorectal Adenocarcinoma Refractory Cancer Colorectal Neoplasms |
Interventions |
Drug: Durvalumab Drug: Tremelimumab Biological: Pexa-Vec |
Enrollment | 34 |
Participant Flow
Recruitment Details | |
Pre-assignment Details |
Arm/Group Title | 1/Arm A1 Pexa-Vec 3 x 10E^8 Plaque-forming Unit (Pfu) + Durvalumab 1500 mg | 2/Arm A2 Pexa-Vec 1 x 10E^9 Plaque-forming Unit (Pfu) +Durvalumab 1500 mg | 3/Arm B1 Pexa-Vec 3 x 10E^8 Plaque-forming Unit (Pfu) + Durvalumab 1500 mg +Tremelimumab 300 mg | 4/Arm B2 Pexa-Vec 1 x 10E^9 Plaque-forming Unit (Pfu) + Durvalumab 1500 mg +Tremelimumab 300 mg |
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Cohort A/Dose Level 1 Durvalumab 1500mg every(q) 28 day(d); Pexa-Vec 3 x 10^8/plaque-forming unit(pfu) | Cohort A/Dose Level 2 Durvalumab 1500mg every(q) 28 day(d); Pexa-Vec 1 x 10^9/plaque-forming unit(pfu) | Cohort B/Dose Level 1 Tremelimumab 300mg 1x; Durvalumab 1500mg every(q) 28 day(d); Pexa-Vec 3 x 10^8/plaque-forming unit(pfu) | Cohort B/Dose Level 2 Tremelimumab 300mg; Durvalumab 1500mg every(q) 28 day(d); Pexa-Vec 1 x 10^9/plaque-forming unit(pfu) |
Period Title: Overall Study | ||||
Started | 4 | 12 | 4 | 14 |
Completed | 3 | 11 | 0 | 14 |
Not Completed | 1 | 1 | 4 | 0 |
Reason Not Completed | ||||
Participant Noncompliance | 0 | 1 | 0 | 0 |
Unable to complete the dose limiting toxicity period | 1 | 0 | 0 | 0 |
Death | 0 | 0 | 1 | 0 |
Taken off active treatment | 0 | 0 | 3 | 0 |
Baseline Characteristics
Arm/Group Title | 1/Arm A1 Pexa-Vec 3 x 10E^8 Plaque-forming Unit (Pfu) + Durvalumab 1500 mg | 2/Arm A2 Pexa-Vec 1 x 10E^9 Plaque-forming Unit (Pfu) +Durvalumab 1500 mg | 3/Arm B1 Pexa-Vec 3 x 10E^8 Plaque-forming Unit (Pfu) + Durvalumab 1500 mg +Tremelimumab 300 mg | 4/Arm B2 Pexa-Vec 1 x 10E^9 Plaque-forming Unit (Pfu) + Durvalumab 1500 mg +Tremelimumab 300 mg | Total | |
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Cohort A/Dose Level 1 Durvalumab 1500mg every(q) 28 day(d); Pexa-Vec 3 x 10^8/plaque-forming unit(pfu) | Cohort A/Dose Level 2 Durvalumab 1500mg every(q) 28 day(d); Pexa-Vec 1 x 10^9/plaque-forming unit(pfu) | Cohort B/Dose Level 1 Tremelimumab 300mg 1x; Durvalumab 1500mg every(q) 28 day(d); Pexa-Vec 3 x 10^8/plaque-forming unit(pfu) | Cohort B/Dose Level 2 Tremelimumab 300mg; Durvalumab 1500mg every(q) 28 day(d); Pexa-Vec 1 x 10^9/plaque-forming unit(pfu) | Total of all reporting groups | |
Overall Number of Baseline Participants | 4 | 12 | 4 | 14 | 34 | |
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[Not Specified]
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Age, Categorical
Measure Type: Count of Participants Unit of measure: Participants |
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Number Analyzed | 4 participants | 12 participants | 4 participants | 14 participants | 34 participants | |
<=18 years |
0 0.0%
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0 0.0%
|
0 0.0%
|
0 0.0%
|
0 0.0%
|
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Between 18 and 65 years |
4 100.0%
|
9 75.0%
|
3 75.0%
|
12 85.7%
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28 82.4%
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>=65 years |
0 0.0%
|
3 25.0%
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1 25.0%
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2 14.3%
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6 17.6%
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Age, Continuous
Mean (Standard Deviation) Unit of measure: Years |
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Number Analyzed | 4 participants | 12 participants | 4 participants | 14 participants | 34 participants | |
49.46 (5.38) | 56.17 (10.29) | 55.89 (12.87) | 54.93 (12.66) | 54.39 (11.95) | ||
Sex: Female, Male
Measure Type: Count of Participants Unit of measure: Participants |
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Number Analyzed | 4 participants | 12 participants | 4 participants | 14 participants | 34 participants | |
Female |
2 50.0%
|
8 66.7%
|
1 25.0%
|
9 64.3%
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20 58.8%
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Male |
2 50.0%
|
4 33.3%
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3 75.0%
|
5 35.7%
|
14 41.2%
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Ethnicity (NIH/OMB)
Measure Type: Count of Participants Unit of measure: Participants |
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Number Analyzed | 4 participants | 12 participants | 4 participants | 14 participants | 34 participants | |
Hispanic or Latino |
0 0.0%
|
1 8.3%
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0 0.0%
|
1 7.1%
|
2 5.9%
|
|
Not Hispanic or Latino |
4 100.0%
|
11 91.7%
|
4 100.0%
|
12 85.7%
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31 91.2%
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Unknown or Not Reported |
0 0.0%
|
0 0.0%
|
0 0.0%
|
1 7.1%
|
1 2.9%
|
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Race (NIH/OMB)
Measure Type: Count of Participants Unit of measure: Participants |
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Number Analyzed | 4 participants | 12 participants | 4 participants | 14 participants | 34 participants | |
American Indian or Alaska Native |
0 0.0%
|
0 0.0%
|
0 0.0%
|
0 0.0%
|
0 0.0%
|
|
Asian |
1 25.0%
|
0 0.0%
|
0 0.0%
|
2 14.3%
|
3 8.8%
|
|
Native Hawaiian or Other Pacific Islander |
1 25.0%
|
0 0.0%
|
0 0.0%
|
0 0.0%
|
1 2.9%
|
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Black or African American |
0 0.0%
|
4 33.3%
|
1 25.0%
|
3 21.4%
|
8 23.5%
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White |
2 50.0%
|
8 66.7%
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3 75.0%
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9 64.3%
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22 64.7%
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More than one race |
0 0.0%
|
0 0.0%
|
0 0.0%
|
0 0.0%
|
0 0.0%
|
|
Unknown or Not Reported |
0 0.0%
|
0 0.0%
|
0 0.0%
|
0 0.0%
|
0 0.0%
|
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Region of Enrollment
Measure Type: Number Unit of measure: Participants |
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United States | Number Analyzed | 4 participants | 12 participants | 4 participants | 14 participants | 34 participants |
4 | 12 | 4 | 14 | 34 |
Outcome Measures
Adverse Events
Limitations and Caveats
[Not Specified]
More Information
Results Point of Contact
Name/Title: | Dr. Tim F. Greten |
Organization: | National Cancer Institute |
Phone: | 240-760-6114 |
EMail: | tim.greten@nih.gov |
Publications:
Responsible Party: | Tim Greten, M.D., National Cancer Institute (NCI) |
ClinicalTrials.gov Identifier: | NCT03206073 |
Other Study ID Numbers: |
170092 17-C-0092 |
First Submitted: | June 30, 2017 |
First Posted: | July 2, 2017 |
Results First Submitted: | August 30, 2021 |
Results First Posted: | October 26, 2021 |
Last Update Posted: | January 26, 2023 |