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Phase 1 Completed N=23 Treatment

A Study Of 4-1BB Agonist PF-05082566 Plus PD-1 Inhibitor MK-3475 In Patients With Solid Tumors (B1641003/KEYNOTE-0036)

Source: ClinicalTrials.gov NCT02179918 ↗
Enrolled (actual)
23
Serious AEs
43.5%
Results posted
Oct 2018
Primary outcomePrimary: Number of Participants With Dose-Limiting Toxicities (DLT) of PF-05082566 in Combination With MK-3475 — 0; 0; 0; 0 Participants

Summary

This is a safety, pharmacokinetic and pharmacodynamic study designed to estimate the maximum tolerated dose (MTD), and determine the Recommended Phase 2 Dose (RP2D) of PF-05082566, a 4-1BB agonist monoclonal antibody (mAb), in combination with MK-3475, a PD-1 inhibitor in patients with solid tumors.

Outcome Measures

OutcomeResultp-value
PRIMARY
Number of Participants With Dose-Limiting Toxicities (DLT) of PF-05082566 in Combination With MK-3475
0; 0; 0; 0; 0; 0
SECONDARY
Number of Subjects With Serious Adverse Events (SAEs) and Treatment Emergent Adverse Events (TEAEs) by Maximum CTCAE Grade (All Causalities)
2; 0; 1; 2; 5; 10
SECONDARY
Number of Participants With Serious Adverse Events (SAEs) and Treatment Emergent Adverse Events (TEAEs) by Maximum CTCAE Grade (PF-05082566-related)
0; 0; 0; 0; 0; 0
SECONDARY
Number of Participants With Serious Adverse Events (SAEs) and Treatment Emergent Adverse Events (TEAEs) by Maximum CTCAE Grade (MK-3475-related)
1; 0; 0; 0; 0; 18
SECONDARY
Number of Participants With Serious Adverse Events (SAEs) and Treatment Emergent Adverse Events (TEAEs) by Maximum CTCAE Grade (Both-related)
0; 0; 0; 0; 0; 0
SECONDARY
Number of Participants With Laboratory Test Values Meeting Categorical Summarization Criteria by Maximum CTCAE Grade (Hematology)
3; 2; 2; 1; 6; 14
SECONDARY
Number of Participants With Laboratory Test Values Meeting Categorical Summarization Criteria by Maximum CTCAE Grade (Chemistries)
5; 3; 3; 3; 8; 22
SECONDARY
Number of Participants With Change From Baseline and Absolute Values in Vital Signs Meeting Criteria of Potential Clinical Concern
0; 0; 0; 0; 0; 0
SECONDARY
Number of Participants With Shift From Baseline in Eastern Cooperative Oncology Group (ECOG) Performance Status to Worst on Study
0; 2; 0; 1; 4; 7
SECONDARY
Maximum Observed Serum Concentration (Cmax) of PF-05082566
7.628; 18.70; 29.80; 60.35; 95.57
SECONDARY
Maximum Observed Serum Concentration (Cmax) of MK-3475
63350; 71300; 61090; 51920; 62030
SECONDARY
Time for Cmax (Tmax) of PF-05082566
1.44; 5.40; 1.07; 1.08; 1.15
SECONDARY
Pre-dose Concentration During Multiple Dosing (Ctrough) of PF-05082566
0.7489; 1.210; 1.664; 5.167; 7.796
SECONDARY
Pre-dose Concentration During Multiple Dosing (Ctrough) of MK-3475
18460; 19200; 20390; 11250; 17280
SECONDARY
Terminal Half-life (t½)of PF-05082566
179.3; 173.0; 144.7; 174.5; 164.8
SECONDARY
Clearance (CL) of Study Drug of PF-05082566
0.4120; 0.5000; 0.5182; 0.3894; 0.4763
SECONDARY
Volume of Distribution at Steady State (Vss) of PF-05082566
101.4; 112.0; 104.0; 93.19; 104.6
SECONDARY
Area Under the Serum Concentration-time Curve From Time 0 to Time Tau, the Dosing Interval, Where Tau = 504 Hours (21 Days) [AUCtau] for PF-05082566
1093; 1800; 3477; 9253; 10480
SECONDARY
Number of Participants With Positive Anti-Drug Antibody (ADA) of PF-05082566
0; 0; 0; 1; 1; 2
SECONDARY
Number of Participants With Positive Anti-Drug Antibody (ADA) of MK-3475
0; 0; 0; 0; 0; 0
SECONDARY
Number of Participants With Objective Tumor Response
0; 0; 1; 0; 1; 2

Eligibility Criteria

Inclusion Criteria

  • Histological or cytological diagnosis of advanced/metastatic solid tumor malignancy which has progressed on standard therapy or for which no standard therapy is available.
  • Measurable disease per RECIST v1.1.
  • Adequate bone marrow, renal and liver functioning

Exclusion Criteria

  • CNS primary malignancies, active seizure disorder or spinal cord compression, or carcinomatous meningitis.
  • History of any of the following toxicities associated with a prior immunotherapy:
  • Grade 3 immune mediated adverse event that was considered related to previous immunotherapy and required immune suppressive therapy;
  • Grade 2 hepatic function related adverse event that persisted more than 1 week, was considered related to immunotherapy, or required treatment discontinuation or immunosuppressive therapy
  • Any of the following within the 12 months prior to registration: myocardial infarction, uncontrolled angina, coronary/peripheral artery bypass graft, symptomatic congestive heart failure, cerebrovascular accident or transient ischemic attack and 6 months for deep vein thrombosis or pulmonary embolism.
  • History of or known presence of extensive, disseminated/bilateral or Grade 3 or 4 interstitial fibrosis or interstitial lung disease, including a history of pneumonitis, hypersensitivity pneumonitis, interstitial pneumonia, interstitial lung disease, obliterative bronchiolitis, or pulmonary fibrosis, but not including a history of prior radiation pneumonitis. Patients with clinically significant lung disease requiring oxygen therapy (eg, COPD).
View full record on ClinicalTrials.gov →

Data sourced from ClinicalTrials.gov (NCT02179918). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication. Informational only — not medical advice.

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