This is a double-blind, placebo-controlled, multi-center, dose-escalation study to assess the safety, tolerability, Pharmacokinetics and Pharmacodynamics of single and multiple ascending intravenous infusions of CytoFab (AZD9773) in adult patients with severe sepsis.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
TRIPLE
Enrollment
70
intravenous infusions
Placebo
Research Site
Birmingham, Alabama, United States
Change From Baseline in Creatinine Values
Change in creatinine values from baseline (pre-infusion) to follow-up (28 days after the start of study drug administration) \[calculated as Day 28 mean minus baseline mean\]. Safety analysis set (ie all patients who started study drug infusion).
Time frame: End of study (Day 28)
Change From Baseline in Alanine Aminotransferase Values
Change in alanine aminotransferase values from baseline (pre-infusion) to follow-up (28 days after the start of study drug administration) \[calculated as Day 28 mean minus baseline mean\]. Safety analysis set (ie all patients who started study drug infusion).
Time frame: End of study (Day 28)
Change From Baseline in Aspartate Aminotransferase Values
Change in aspartate aminotransferase values from baseline (pre-infusion) to follow-up (28 days after the start of study drug administration) \[calculated as Day 28 mean minus baseline mean\]. Safety analysis set (ie all patients who started study drug infusion).
Time frame: End of study (Day 28)
Change From Baseline in Bilirubin Values
Change in bilirubin values from baseline (pre-infusion) to follow-up (28 days after the start of study drug administration) \[calculated as Day 28 mean minus baseline mean\]. Safety analysis set (ie all patients who started study drug infusion).
Time frame: End of study (Day 28)
Change From Baseline in Haemoglobin Values
Change in haemoglobin values from baseline (pre-infusion) to follow-up (28 days after the start of study drug administration) \[calculated as Day 28 mean minus baseline mean\]. Safety analysis set (ie all patients who started study drug infusion).
Time frame: End of study (Day 28)
Change From Baseline in White Blood Cell Values
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Research Site
Newark, Delaware, United States
Research Site
Bay Pines, Florida, United States
Research Site
Miami, Florida, United States
Research Site
Chicago, Illinois, United States
Research Site
Oak Park, Illinois, United States
Research Site
Peoria, Illinois, United States
Research Site
Indianapolis, Indiana, United States
Research Site
Iowa City, Iowa, United States
Research Site
Hazard, Kentucky, United States
...and 16 more locations
Change in white blood cell values from baseline (pre-infusion) to follow-up (28 days after the start of study drug administration) \[calculated as Day 28 mean minus baseline mean\]. Safety analysis set (ie all patients who started study drug infusion).
Time frame: End of study (Day 28)
Change From Baseline in Platelet Count Values
Change in platelet count values from baseline (pre-infusion) to follow-up (28 days after the start of study drug administration) \[calculated as Day 28 mean minus baseline mean\]. Safety analysis set (ie all patients who started study drug infusion).
Time frame: End of study (Day 28)
Change From Baseline in Prothrombin Time Values
Change in prothrombin time values from baseline (pre-infusion) to Day 7 \[calculated as Day 7 mean minus baseline mean\]. Safety analysis set (ie all patients who started study drug infusion).
Time frame: Day 7
Change From Baseline in Troponin I
Change in troponin I values from baseline (pre-infusion) to Day 6 \[calculated as Day 6 mean minus baseline mean\]. Safety analysis set (ie all patients who started study drug infusion).
Time frame: Day 6
Change From Baseline in QT With Fridericia Correction (QTcF), Where QT is Measured by ECG, and is the Time Interval Between the Start of the Q Wave and the End of the T Wave in the Heart's Electrical Cycle.
Change in QTcF from baseline (pre-infusion) to Day 1 (end of infusion) for Cohorts 1 and 2 \[calculated as Day 1 mean minus baseline mean\] and Day 5 (end of infusion) for Cohorts 3 to 5 and placebo \[calculated as Day 5 mean minus baseline mean\]. Safety analysis set (ie all patients who started study drug infusion).
Time frame: Day 1 (end of infusion) for Cohorts 1 and 2; Day 5 (end of infusion) for Cohorts 3 to 5 and placebo
Change From Baseline in Calculated Mean Arterial Blood Pressure
Change in calculated mean arterial pressure from baseline (pre-infusion) to Day 14 \[calculated as Day 14 mean minus baseline mean\]. Safety analysis set (ie all patients who started study drug infusion).
Time frame: Day 14
Change From Baseline in Body Weight
Change in body weight from baseline (pre-infusion) to Day 6 \[calculated as Day 6 mean minus baseline mean\]. Safety analysis set (ie all patients who started study drug infusion).
Time frame: Day 6
28-Day Mortality
The number of patients who had died at Day 28. Safety analysis set (ie all patients who started study drug infusion).
Time frame: End of study (Day 28)
Change From Baseline in Sequential Organ Failure Assessment (SOFA) Scores
Change in SOFA (Sequential Organ Failure Assessment) scores from baseline (pre-infusion) to Day 6 \[calculated as Day 6 mean minus baseline mean\]. The SOFA score is out of a maximum of 24 (units on a scale 0 to 24). The higher the score, the worse the organ system functioning. Safety analysis set (ie all patients who started study drug infusion).
Time frame: Day 6
Area Under the Serum Concentration-time Curve From 0 to 12 Hours (AUC(0-12)) of Single Dose AZD9773 Serum Total Fabs (Cohorts 1 and 2)
AUC(0-12) for single dose AZD9773 serum total Fabs (cohorts 1 and 2). PK analysis set (ie a subset of the safety analysis set including only those patients without important deviations that could affect the PK).
Time frame: Day 1 [PK samples taken pre-dose, the end of each infusion rate and then at 0.5, 1, 2, 8, and 12h post-(last) infusion]
Terminal Half-life (t1/2) of Single Dose AZD9773 Serum Total Fabs (Cohorts 1 and 2)
t1/2 of single dose AZD9773 serum total Fabs (cohorts 1 and 2). PK analysis set (ie a subset of the safety analysis set including only those patients without important deviations that could affect the PK).
Time frame: Day 1 [PK samples taken pre-dose, the end of each infusion rate and then at 0.5, 1, 2, 8, 12, 24, 48, and 72 h post-(last) infusion]
Total Apparent Clearance (CL) of Single Dose AZD9773 Serum Total Fabs (Cohorts 1 and 2)
CL of single dose AZD9773 serum total Fabs (cohorts 1 and 2). PK analysis set (ie a subset of the safety analysis set including only those patients without important deviations that could affect the PK).
Time frame: Day 1 [PK samples taken pre-dose, the end of each infusion rate and then at 0.5, 1, 2, 8, 12, 24, 48, and 72 h post-(last) infusion]
AUC(0-12) of Loading Dose AZD9773 Serum Total Fabs (Cohorts 3, 4 and 5)
AUC(0-12) of loading dose AZD9773 serum total Fabs (cohorts 3, 4 and 5). PK analysis set (ie a subset of the safety analysis set including only those patients without important deviations that could affect the PK).
Time frame: Day 1 [PK samples taken pre-dose, the end of each infusion rate and then at 0.5, 1, 2, 8 and 12 h post-(last) infusion]
Maximum (End of Infusion) Serum Concentration (Cinf) of Loading Dose AZD9773 Serum Total Fabs (Cohorts 3,4 and 5)
Cinf of loading dose AZD9773 serum total Fabs (cohorts 3, 4 and 5). PK analysis set (ie a subset of the safety analysis set including only those patients without important deviations that could affect the PK).
Time frame: Day 1 [PK samples taken pre-dose, the end of each infusion rate and then at 0.5, 1, 2, 8 and 12 h post-(last)infusion]
Time to Reach Cinf (Tmax) of Loading Dose AZD9773 Serum Total Fabs (Cohorts 3, 4 and 5)
tmax of loading dose AZD9773 serum total Fabs (cohorts 3, 4 and 5). PK analysis set (ie a subset of the safety analysis set including only those patients without important deviations that could affect the PK).
Time frame: Day 1 [PK samples taken pre-dose, the end of each infusion rate and then at 0.5, 1, 2, 8 and 12 h post-(last)infusion]
AUC(0-12) of Maintenance Dose AZD9773 Serum Total Fabs (Cohorts 3, 4 and 5)
AUC(0-12) of maintenance dose AZD9773 serum total Fabs (cohorts 3, 4 and 5). PK analysis set (ie a subset of the safety analysis set including only those patients without important deviations that could affect the PK).
Time frame: PK samples taken pre-dose of Doses 5,7 and 9, then at 0, 0.5, 1, 2, 8 and 12 h post dose 9 infusion
Cinf of Maintenance Dose AZD9773 Serum Total Fabs (Cohorts 3, 4 and 5)
Cinf of maintenance dose AZD9773 serum total Fabs (cohorts 3, 4 and 5). PK analysis set (ie a subset of the safety analysis set including only those patients without important deviations that could affect the PK).
Time frame: PK samples taken pre-dose of Doses 5,7 and 9, then at 0, 0.5, 1, 2, 8 and 12 h post dose 9 infusion
Tmax of Maintenance Dose AZD9773 Serum Total Fabs (Cohorts 3, 4 and 5)
tmax of maintenance dose AZD9773 serum total Fabs (cohorts 3, 4 and 5). PK analysis set (ie a subset of the safety analysis set including only those patients without important deviations that could affect the PK).
Time frame: PK samples taken pre-dose of Doses 5,7 and 9, then at 0, 0.5, 1, 2, 8 and 12 h post dose 9 infusion
Number of Patients Below Tumour Necrosis Factor (TNF)-Alpha Limit of Quantification (LOQ) at 24 Hours (n< LOQ)
Number of patients below tumour necrosis factor (TNF)-alpha limit of quantification (LOQ) at 24 hours (n\< LOQ) measured by ELISA (LOQ = 1.3 pg/mL). Safety analysis set (ie all patients who started study drug infusion).
Time frame: 24 hours