Outcome
Type |
Measure |
Description |
Time frame |
Safety issue |
Primary |
Number of Participants With Treatment-emergent Adverse Events (TEAEs) and Serious (TEAEs) |
An adverse event (AE) was any untoward medical occurrence in a clinical investigation participant administered a pharmaceutical product and that does not necessarily have a causal relationship with this investigational product (IP) or medicinal product. TEAEs were defined as AEs that started or worsened in severity on or after the infusion of IP. A serious TEAEs was any untoward clinical manifestation of signs, symptoms or outcomes (whether considered related to investigational product or not and at any dose) which resulted in death, was life-threatening, required inpatient hospitalization, prolongation of hospitalization, was an important medical event. TEAEs included both serious and non-serious AEs. |
From date of signing informed consent up to end of study visit (Day 28) |
|
Primary |
Number of Participants Who Developed Positive Binding Anti-ADAMTS13 and Inhibitory Anti-ADAMTS13 Antibodies to TAK-755 |
Measurement of Anti-ADAMTS13 antibodies can be used to assess whether the body's immune system has been stimulated to react to TAK-755. Binding Anti-ADAMTS13 antibodies measure antibodies that are able to bind to ADAMTS13, whether or not the antibodies have an effect on how well ADAMTS13 works. An inhibitory Anti-ADAMTS13 antibody is antibody that both binds to ADAMTS13 and able to affect how well ADAMTS13 works. Binding and Inhibitory anti-ADAMTS13 antibodies were categorized as pre-existing, treatment-induced, and treatment-boosted. Pre-existing: anti-ADAMTS13 antibodies were detected in the baseline sample prior to infusion with TAK-755. Treatment-induced: no anti-ADAMTS13 antibodies were detected in baseline sample but were detected in any sample drawn after TAK-755 infusion. Treatment-boosted: anti-ADAMTS13 antibodies were pre-existing and were detected at any time after TAK-755 infusion at titers that were at least 4 steps higher than the titers detected before TAK-755 infusion. |
From date of signing informed consent up to end of study visit (Day 28) |
|
Secondary |
Incremental Recovery (IR) for ADAMTS13 Activity and ADAMTS13 Antigen of TAK-755 |
IR was defined as the ratio of maximum increase in plasma ADAMTS13 antigen or activity level to TAK-755 dose per body weight. Baseline was defined as the last non-missing measurement obtained prior to the date and time of the first dose of TAK-755. Baseline-adjusted values were used for this analysis. Baseline-adjusted values at each timepoint were calculated as the measured value minus the pre-infusion (baseline) value and results were summarized overall. Here "IU/mL/IU/kg" refers to "International units per milliliter per international units per kilogram". |
Baseline (Pre-dose), 0.25, 1, 3, 8, 24, 72, 120, 168, 216, 288, and 648 hours post-dose |
|
Secondary |
Observed Maximum Concentration (Cmax) for ADAMTS13 Activity and ADAMTS13 Antigen of TAK-755 |
Cmax was a measure of the maximum amount of drug in the plasma after the dose was given. Baseline was defined as the last non-missing measurement obtained prior to the date and time of the first dose of TAK-755. Baseline-adjusted values were used for this analysis. Baseline-adjusted values at each timepoint were calculated as the measured value minus the pre-infusion (baseline) value and results were summarized overall. |
Baseline (Pre-dose), 0.25, 1, 3, 8, 24, 72, 120, 168, 216, 288, and 648 hours post-dose |
|
Secondary |
Time to Reach Cmax (Tmax) for ADAMTS13 Activity and ADAMTS13 Antigen of TAK-755 |
Tmax was a measure of the time to reach the maximum concentration in the plasma after the drug dose. Baseline was defined as the last non-missing measurement obtained prior to the date and time of the first dose of TAK-755. Baseline-adjusted values were used for this analysis. Baseline-adjusted values at each timepoint were calculated as the measured value minus the pre-infusion (baseline) value and results were summarized overall. |
Baseline (Pre-dose), 0.25, 1, 3, 8, 24, 72, 120, 168, 216, 288, and 648 hours post-dose |
|
Secondary |
Terminal Half-Life (t1/2) for ADAMTS13 Activity and ADAMTS13 Antigen of TAK-755 |
t1/2 was the time required for a given drug concentration in the plasma to decrease by 50%. Baseline was defined as the last non-missing measurement obtained prior to the date and time of the first dose of TAK-755. Baseline-adjusted values were used for this analysis. Baseline-adjusted values at each timepoint were calculated as the measured value minus the pre-infusion (baseline) value and results were summarized overall. |
Baseline (Pre-dose), 0.25, 1, 3, 8, 24, 72, 120, 168, 216, 288, and 648 hours post-dose |
|
Secondary |
Mean Residence Time From Zero to Infinite (MRT0-Inf) for ADAMTS13 Activity and ADAMTS13 Antigen of TAK-755 |
The MRT is the average time that the study product stays in the body (or plasma). The MRT0-Inf is defined as the average time from zero (pre-dose) extrapolated to infinite time (MRT0-inf). Baseline was defined as the last non-missing measurement obtained prior to the date and time of the first dose of TAK-755. Baseline-adjusted values were used for this analysis. Baseline-adjusted values at each timepoint were calculated as the measured value minus the pre-infusion (baseline) value and results were summarized overall. |
Baseline (Pre-dose), 0.25, 1, 3, 8, 24, 72, 120, 168, 216, 288, and 648 hours post-dose |
|
Secondary |
Mean Residence Time From Zero to 72 Hours Post-dose (MRT0-72) of ADAMTS13 Activity and ADAMTS13 Antigen of TAK-755 |
The MRT is the average time that the study product stays in the body (or plasma) and The MRT0-72 is defined as the average time from zero (predose) to 72 hours post-dose (MRT0-72). Baseline was defined as the last non-missing measurement obtained prior to the date and time of the first dose of TAK-755. |
Baseline (Pre-dose), 0.25, 1, 3, 8, 24, and 72 hours post-dose |
|
Secondary |
Area Under the Curve From Zero to Time of Last Quantifiable Concentration (AUC0-Last) for ADAMTS13 Activity and ADAMTS13 Antigen of TAK-755 |
AUC0-Last was an area under the concentration-time curve from zero (pre-dose) to time of last quantifiable concentration. Baseline was defined as the last non-missing measurement obtained prior to the date and time of the first dose of TAK-755. Baseline-adjusted values were used for this analysis. Baseline-adjusted values at each timepoint were calculated as the measured value minus the pre-infusion (baseline) value and results were summarized overall. |
Baseline (Pre-dose), 0.25, 1, 3, 8, 24, 72, 120, 168, 216, 288, and 648 hours post-dose |
|
Secondary |
Area Under the Curve Time Curve From Zero to 72 Hours Post-dose (AUC0-72) for ADAMTS13 Activity and ADAMTS13 Antigen of TAK-755 |
AUC0-72 was an area under the concentration-time curve from zero (predose) to 72 hours post-dose (AUC0-72). Baseline was defined as the last non-missing measurement obtained prior to the date and time of the first dose of TAK-755. Baseline-adjusted values were used for this analysis. Baseline-adjusted values at each timepoint were calculated as the measured value minus the pre-infusion (baseline) value and results were summarized overall. |
Baseline (Pre-dose), 0.25, 1, 3, 8, 24, and 72 hours post-dose |
|
Secondary |
Area Under the Curve From Zero to Infinite Time (AUC0-Inf) for ADAMTS13 Activity and ADAMTS13 Antigen of TAK-755 |
AUC0-inf was area under the concentration-time curve from zero (pre-dose) extrapolated to infinite time. Baseline was defined as the last non-missing measurement obtained prior to the date and time of the first dose of TAK-755. Baseline-adjusted values were used for this analysis. Baseline-adjusted values at each timepoint were calculated as the measured value minus the pre-infusion (baseline) value and results were summarized overall. |
Baseline (Pre-dose), 0.25, 1, 3, 8, 24, 72, 120, 168, 216, 288, and 648 hours post-dose |
|
Secondary |
Systemic Clearance (CL) for ADAMTS13 Activity and ADAMTS13 Antigen of TAK-755 |
CL is a quantitative measure of the rate at which a drug substance is removed from the body. The total systemic clearance after intravenous dose was estimated by dividing the total administered dose by the plasma Area Under the Plasma Concentration-Time Curve From Time Zero to Infinite Time (AUC[0-infinity]). Baseline was defined as the last non-missing measurement obtained prior to the date and time of the first dose of TAK-755. Baseline-adjusted values were used for this analysis. Baseline-adjusted values at each timepoint were calculated as the measured value minus the pre-infusion (baseline) value and results were summarized overall. |
Baseline (Pre-dose), 0.25, 1, 3, 8, 24, 72, 120, 168, 216, 288, and 648 hours post-dose |
|
Secondary |
Volume of Distribution at Steady State (Vss) for ADAMTS13 Activity and ADAMTS13 Antigen of TAK-755 |
Vss is defined as the theoretical volume in which the total amount of drug would need to be uniformly distributed to produce the desired blood concentration of a drug. Steady state volume of distribution (Vss) is the apparent volume of distribution at steady-state which is estimated by MRT(0-inf)*CL. Baseline was defined as the last non-missing measurement obtained prior to the date and time of the first dose of TAK-755. Baseline-adjusted values were used for this analysis. Baseline-adjusted values at each timepoint were calculated as the measured value minus the pre-infusion (baseline) value and results were summarized overall. |
Baseline (Pre-dose), 0.25, 1, 3, 8, 24, 72, 120, 168, 216, 288, and 648 hours post-dose |
|
Secondary |
Change From Baseline in Von Willebrand Factor: Antigen (VWF:Ag) at Specified Timepoints |
Von Willebrand factor (vWF or VWF) is a protein that is one of several components of the coagulation system that work together to stop bleeding within the body. VWF:Ag measures the level of von Willebrand factor protein in the blood. The change from baseline in VWF:Ag concentration was measured at different time points. Baseline was defined as the last non-missing measurement obtained prior to the date and time of the dose of IP. Change from baseline was calculated by subtracting the baseline value from the post-dose value. |
Baseline (Pre-dose), 0.25, 1, 3, 8, 24, 72, 120, 168, 216, 288, and 648 hours post-dose |
|
Secondary |
Change From Baseline in Von Willebrand Factor:Ristocetin Cofactor Activity (VWF:RCo) At Specified Timepoints |
Von Willebrand factor (vWF or VWF) is a protein that is one of several components of the coagulation system that work together, to stop bleeding within the body. VWF:RCo assay is a test that measures the activity of the VWF in a plasma sample in terms of how well it is able to clump platelets together in the presence of the antibiotic ristocetin. Change from baseline in vWF:RCo concentration was measured at different timepoints. Baseline was defined as the last non-missing measurement obtained prior to the date and time of the dose of IP. Change from baseline was calculated by subtracting the baseline value from the post-dose value. |
Baseline (Pre-dose), 0.25, 1, 3, 8, 24, 72, 120, 168, 216, 288, and 648 hours post-dose |
|
Secondary |
Change From Baseline in Platelet Count at Specified Timepoints |
Blood samples were collected to analyze platelet count. Baseline was defined as the last non-missing measurement obtained prior to the date and time of the dose of IP. Thechange from baseline was calculated by subtracting the baseline value from the post-dose value. |
Baseline (Pre-dose), 3, 8, 24, 72, 120, 168, 216, 288, and 648 hours post-dose |
|
Secondary |
Change From Baseline in Plasma Free Hemoglobin at Specified Timepoints |
The plasma free hemoglobin test measures the level of hemoglobin in the plasma (that is, not contained within the red blood cells). Baseline was defined as the last non-missing measurement obtained prior to the date and time of the dose of IP. Change from baseline was calculated by subtracting the baseline value from the post-dose value. |
Baseline (Pre-dose), 3, 8, 24, 72, 120, 168, 216, 288, and 648 hours post-dose |
|
Secondary |
Change From Baseline in Plasma Thrombospondin Levels at Specified Timepoints |
Change from baseline in plasma thrombospondin levels over time was reported. Baseline was defined as the last non-missing measurement obtained prior to the date and time of the dose of IP. Change from baseline was calculated by subtracting the baseline value from the post-dose value. |
Baseline (Pre-dose), 3, 8, 24, 72, 120, 168, 288, and 648 hours post-dose |
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