Trial Outcomes & Findings for Pharmacokinetic Study of ADVATE 3000 IU in Previously Treated Patients With Severe Hemophilia A (NCT NCT00916032)

NCT ID: NCT00916032

Last Updated: 2021-05-19

Results Overview

Computed using the linear trapezoidal method.

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

29 participants

Primary outcome timeframe

Within 30 minutes prior to the start of the infusion; and after the end of the infusion at 15, 30 minutes, and 1, 3, 6, 9, 24, 28, 32, and 48 hours.

Results posted on

2021-05-19

Participant Flow

Enrollment was conducted in Russia and Bulgaria at 4 clinical sites.

29 participants were enrolled. Six participants discontinued, (four were screen failures and two were withdrawn before randomization). Therefore 23 participants were randomized.

Participant milestones

Participant milestones
Measure
Two 1500 IU Vials Then One 3000 IU Vial
Participants received via intravenous (IV) infusion 3000 International Units (IU) Advate using two 1500 IU potency vials dissolved in 5 mL diluent each (administered in 10 mL diluent in total) followed by one 3000 IU potency vial dissolved in 5 mL diluent.
One 3000 IU Vial Then Two 1500 IU Vials
Participants received via intravenous (IV) infusion 3000 International Units (IU) Advate using one 3000 IU potency vial dissolved in 5 mL diluent followed by two 1500 IU potency vials dissolved in 5 mL diluent each (administered in 10 mL diluent in total)
Overall Study
STARTED
12
11
Overall Study
COMPLETED
12
11
Overall Study
NOT COMPLETED
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Pharmacokinetic Study of ADVATE 3000 IU in Previously Treated Patients With Severe Hemophilia A

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
All Study Participants
n=23 Participants
Participants were randomized to receive via intravenous infusion 3000 International Units (IU) Advate using either one 3000 IU potency vial dissolved in 5 mL diluent followed by two 1500 IU potency vials dissolved in 5 mL diluent each (administered in 10 mL diluent in total) or the alternate sequence.
Age, Continuous
36.5 years
STANDARD_DEVIATION 13.2 • n=5 Participants
Sex: Female, Male
Female
0 Participants
n=5 Participants
Sex: Female, Male
Male
23 Participants
n=5 Participants
Region of Enrollment
Bulgaria
14 Participants
n=5 Participants
Region of Enrollment
Russian Federation
9 Participants
n=5 Participants

PRIMARY outcome

Timeframe: Within 30 minutes prior to the start of the infusion; and after the end of the infusion at 15, 30 minutes, and 1, 3, 6, 9, 24, 28, 32, and 48 hours.

Population: Intent to Treat

Computed using the linear trapezoidal method.

Outcome measures

Outcome measures
Measure
One 3000 International Unit (IU) Vial
n=23 Participants
Participants received via intravenous (IV) infusion 3000 International Units (IU) Advate using one 3000 IU potency vial dissolved in 5 mL diluent
Two 1500 IU Vials
n=23 Participants
Participants received via intravenous (IV) infusion 3000 International Units (IU) Advate using two 1500 IU potency vials dissolved in 5 mL diluent each (administered in 10 mL diluent in total)
Area Under the Plasma Concentration Versus Time Curve From 0 to 48 Hours (AUC 0-48h). Chromogenic Assay
1158 (IU·h)/dL
Standard Deviation 335
1264 (IU·h)/dL
Standard Deviation 364

PRIMARY outcome

Timeframe: Within 30 minutes prior to the start of the infusion; and after the end of the infusion at 15, 30 minutes, and 1, 3, 6, 9, 24, 28, 32, and 48 hours.

Population: Intent to Treat

Computed using the linear trapezoidal method.

Outcome measures

Outcome measures
Measure
One 3000 International Unit (IU) Vial
n=23 Participants
Participants received via intravenous (IV) infusion 3000 International Units (IU) Advate using one 3000 IU potency vial dissolved in 5 mL diluent
Two 1500 IU Vials
n=23 Participants
Participants received via intravenous (IV) infusion 3000 International Units (IU) Advate using two 1500 IU potency vials dissolved in 5 mL diluent each (administered in 10 mL diluent in total)
Area Under the Plasma Concentration Versus Time Curve From 0 to 48 Hours (AUC 0-48h). One-stage Activated Partial Thromboplastin Time (aPTT) Assay
1129 (IU·h)/dL
Standard Deviation 310
1226 (IU·h)/dL
Standard Deviation 358

SECONDARY outcome

Timeframe: Within 30 minutes prior to the start of the infusion; and after the end of the infusion at 15, 30 minutes, and 1, 3, 6, 9, 24, 28, 32, and 48 hours.

Population: Intent to Treat

The total area under the plasma concentration versus time curve when the concentration is extrapolated to zero using the slope of the β-phase of the model.

Outcome measures

Outcome measures
Measure
One 3000 International Unit (IU) Vial
n=23 Participants
Participants received via intravenous (IV) infusion 3000 International Units (IU) Advate using one 3000 IU potency vial dissolved in 5 mL diluent
Two 1500 IU Vials
n=23 Participants
Participants received via intravenous (IV) infusion 3000 International Units (IU) Advate using two 1500 IU potency vials dissolved in 5 mL diluent each (administered in 10 mL diluent in total)
Area Under the Plasma Concentration Versus Time Curve From 0 to Infinity (AUC 0-infinity). Chromogenic Assay
1267 (IU·h)/dL
Standard Deviation 395
1383 (IU·h)/dL
Standard Deviation 437

SECONDARY outcome

Timeframe: Within 30 minutes prior to the start of the infusion; and after the end of the infusion at 15, 30 minutes, and 1, 3, 6, 9, 24, 28, 32, and 48 hours.

Population: Intent to Treat

The total area under the plasma concentration versus time curve when the concentration is extrapolated to zero using the slope of the β-phase of the model.

Outcome measures

Outcome measures
Measure
One 3000 International Unit (IU) Vial
n=23 Participants
Participants received via intravenous (IV) infusion 3000 International Units (IU) Advate using one 3000 IU potency vial dissolved in 5 mL diluent
Two 1500 IU Vials
n=23 Participants
Participants received via intravenous (IV) infusion 3000 International Units (IU) Advate using two 1500 IU potency vials dissolved in 5 mL diluent each (administered in 10 mL diluent in total)
Area Under the Plasma Concentration Versus Time Curve From 0 to Infinity (AUC 0-infinity). One-stage aPTT Assay
1235 (IU·h)/dL
Standard Deviation 364
1348 (IU·h)/dL
Standard Deviation 427

SECONDARY outcome

Timeframe: Within 30 minutes prior to the start of the infusion; and after the end of the infusion at 15, 30 minutes, and 1, 3 hours.

Population: Intent to Treat

Determined as the highest Factor VIII (FVIII) activity achieved post-infusion

Outcome measures

Outcome measures
Measure
One 3000 International Unit (IU) Vial
n=23 Participants
Participants received via intravenous (IV) infusion 3000 International Units (IU) Advate using one 3000 IU potency vial dissolved in 5 mL diluent
Two 1500 IU Vials
n=23 Participants
Participants received via intravenous (IV) infusion 3000 International Units (IU) Advate using two 1500 IU potency vials dissolved in 5 mL diluent each (administered in 10 mL diluent in total)
Incremental Recovery at Cmax - Chromogenic Assay
1.81 (IU/dL)/(IU/kg)
Standard Deviation 0.40
2.04 (IU/dL)/(IU/kg)
Standard Deviation 0.34

SECONDARY outcome

Timeframe: Within 30 minutes prior to the start of the infusion; and after the end of the infusion at 15, 30 minutes, and 1, 3 hours.

Population: Intent to Treat

Determined as the highest FVIII activity achieved post-infusion

Outcome measures

Outcome measures
Measure
One 3000 International Unit (IU) Vial
n=23 Participants
Participants received via intravenous (IV) infusion 3000 International Units (IU) Advate using one 3000 IU potency vial dissolved in 5 mL diluent
Two 1500 IU Vials
n=23 Participants
Participants received via intravenous (IV) infusion 3000 International Units (IU) Advate using two 1500 IU potency vials dissolved in 5 mL diluent each (administered in 10 mL diluent in total)
Incremental Recovery at Cmax - One-stage aPTT Assay
1.75 (IU/dL)/(IU/kg)
Standard Deviation 0.43
1.96 (IU/dL)/(IU/kg)
Standard Deviation 0.32

SECONDARY outcome

Timeframe: 30 minutes pre-infusion and 30 minutes post-infusion

Population: Intent to Treat

Change in factor VIII concentration from pre-infusion to 30 minutes post-infusion

Outcome measures

Outcome measures
Measure
One 3000 International Unit (IU) Vial
n=23 Participants
Participants received via intravenous (IV) infusion 3000 International Units (IU) Advate using one 3000 IU potency vial dissolved in 5 mL diluent
Two 1500 IU Vials
n=23 Participants
Participants received via intravenous (IV) infusion 3000 International Units (IU) Advate using two 1500 IU potency vials dissolved in 5 mL diluent each (administered in 10 mL diluent in total)
Incremental Recovery at 30 Minutes- Chromogenic Assay
1.62 (IU/dL)/(IU/kg)
Standard Deviation 0.42
1.84 (IU/dL)/(IU/kg)
Standard Deviation 0.40

SECONDARY outcome

Timeframe: 30 minutes pre-infusion and 30 minutes post-infusion

Population: Intent to Treat

Change in factor VIII concentration from pre-infusion to 30 minutes post-infusion

Outcome measures

Outcome measures
Measure
One 3000 International Unit (IU) Vial
n=23 Participants
Participants received via intravenous (IV) infusion 3000 International Units (IU) Advate using one 3000 IU potency vial dissolved in 5 mL diluent
Two 1500 IU Vials
n=23 Participants
Participants received via intravenous (IV) infusion 3000 International Units (IU) Advate using two 1500 IU potency vials dissolved in 5 mL diluent each (administered in 10 mL diluent in total)
Incremental Recovery at 30 Minutes- One-stage aPTT Assay
1.64 (IU/dL)/(IU/kg)
Standard Deviation 0.43
1.90 (IU/dL)/(IU/kg)
Standard Deviation 0.32

SECONDARY outcome

Timeframe: Within 30 minutes prior to the start of the infusion; and after the end of the infusion at 15, 30 minutes, and 1, 3, 6, 9, 24, 28, 32, and 48 hours.

calculated as log\_e2/λ, where λ is the regression slope in the terminal phase of the least absolute deviations regression model

Outcome measures

Outcome measures
Measure
One 3000 International Unit (IU) Vial
n=23 Participants
Participants received via intravenous (IV) infusion 3000 International Units (IU) Advate using one 3000 IU potency vial dissolved in 5 mL diluent
Two 1500 IU Vials
n=23 Participants
Participants received via intravenous (IV) infusion 3000 International Units (IU) Advate using two 1500 IU potency vials dissolved in 5 mL diluent each (administered in 10 mL diluent in total)
Elimination Phase Half-life- Chromogenic Assay
13.27 hour
Standard Deviation 4.05
12.84 hour
Standard Deviation 4.31

SECONDARY outcome

Timeframe: Within 30 minutes prior to the start of the infusion; and after the end of the infusion at 15, 30 minutes, and 1, 3, 6, 9, 24, 28, 32, and 48 hours.

calculated as log\_e2/λ, where λ is the regression slope in the terminal phase of the least absolute deviations regression model

Outcome measures

Outcome measures
Measure
One 3000 International Unit (IU) Vial
n=23 Participants
Participants received via intravenous (IV) infusion 3000 International Units (IU) Advate using one 3000 IU potency vial dissolved in 5 mL diluent
Two 1500 IU Vials
n=23 Participants
Participants received via intravenous (IV) infusion 3000 International Units (IU) Advate using two 1500 IU potency vials dissolved in 5 mL diluent each (administered in 10 mL diluent in total)
Elimination Phase Half-life- One-stage aPTT Assay
13.80 hour
Standard Deviation 3.95
13.50 hour
Standard Deviation 2.81

SECONDARY outcome

Timeframe: Within 30 minutes prior to the start of the infusion; and after the end of the infusion at 15, 30 minutes, and 1, 3, 6, 9, 24, 28, 32, and 48 hours.

Population: Intent to Treat

computed as the dose divided by total AUC

Outcome measures

Outcome measures
Measure
One 3000 International Unit (IU) Vial
n=23 Participants
Participants received via intravenous (IV) infusion 3000 International Units (IU) Advate using one 3000 IU potency vial dissolved in 5 mL diluent
Two 1500 IU Vials
n=23 Participants
Participants received via intravenous (IV) infusion 3000 International Units (IU) Advate using two 1500 IU potency vials dissolved in 5 mL diluent each (administered in 10 mL diluent in total)
FVIII Clearance- Chromogenic Assay
4.57 mL/(kg·h)
Standard Deviation 1.75
3.99 mL/(kg·h)
Standard Deviation 1.53

SECONDARY outcome

Timeframe: Within 30 minutes prior to the start of the infusion; and after the end of the infusion at 15, 30 minutes, and 1, 3, 6, 9, 24, 28, 32, and 48 hours.

Population: Intent to Treat

Computed as the dose divided by total AUC

Outcome measures

Outcome measures
Measure
One 3000 International Unit (IU) Vial
n=23 Participants
Participants received via intravenous (IV) infusion 3000 International Units (IU) Advate using one 3000 IU potency vial dissolved in 5 mL diluent
Two 1500 IU Vials
n=23 Participants
Participants received via intravenous (IV) infusion 3000 International Units (IU) Advate using two 1500 IU potency vials dissolved in 5 mL diluent each (administered in 10 mL diluent in total)
FVIII Clearance- One-stage aPTT Assay
4.66 mL/(kg·h)
Standard Deviation 1.81
4.06 mL/(kg·h)
Standard Deviation 1.46

SECONDARY outcome

Timeframe: Within 30 minutes prior to the start of the infusion; and after the end of the infusion at 15, 30 minutes, and 1, 3, 6, 9, 24, 28, 32, and 48 hours.

Population: Intent to Treat

Computed as total area under the first moment curve (Total AUMC) divided by the total area under the concentration versus time curve (Total AUC)

Outcome measures

Outcome measures
Measure
One 3000 International Unit (IU) Vial
n=23 Participants
Participants received via intravenous (IV) infusion 3000 International Units (IU) Advate using one 3000 IU potency vial dissolved in 5 mL diluent
Two 1500 IU Vials
n=23 Participants
Participants received via intravenous (IV) infusion 3000 International Units (IU) Advate using two 1500 IU potency vials dissolved in 5 mL diluent each (administered in 10 mL diluent in total)
Mean Residence Time (MRT)- Chromogenic Assay
17.02 hour
Standard Deviation 5.37
16.84 hour
Standard Deviation 5.81

SECONDARY outcome

Timeframe: Within 30 minutes prior to the start of the infusion; and after the end of the infusion at 15, 30 minutes, and 1, 3, 6, 9, 24, 28, 32, and 48 hours.

Population: Intent to Treat

Computed as total area under the first moment curve (Total AUMC) divided by the total area under the concentration versus time curve (Total AUC)

Outcome measures

Outcome measures
Measure
One 3000 International Unit (IU) Vial
n=23 Participants
Participants received via intravenous (IV) infusion 3000 International Units (IU) Advate using one 3000 IU potency vial dissolved in 5 mL diluent
Two 1500 IU Vials
n=23 Participants
Participants received via intravenous (IV) infusion 3000 International Units (IU) Advate using two 1500 IU potency vials dissolved in 5 mL diluent each (administered in 10 mL diluent in total)
Mean Residence Time (MRT)- One-stage aPTT Assay
16.95 hour
Standard Deviation 4.77
17.16 hour
Standard Deviation 4.65

SECONDARY outcome

Timeframe: Within 30 minutes prior to the start of the infusion; and after the end of the infusion at 15, 30 minutes, and 1, 3, 6, 9, 24, 28, 32, and 48 hours.

Population: Intent to Treat

computed as Clearance (CL) \* Mean residence time (MRT)

Outcome measures

Outcome measures
Measure
One 3000 International Unit (IU) Vial
n=23 Participants
Participants received via intravenous (IV) infusion 3000 International Units (IU) Advate using one 3000 IU potency vial dissolved in 5 mL diluent
Two 1500 IU Vials
n=23 Participants
Participants received via intravenous (IV) infusion 3000 International Units (IU) Advate using two 1500 IU potency vials dissolved in 5 mL diluent each (administered in 10 mL diluent in total)
Volume of Distribution at Steady State- Chromogenic Assay
0.72 dL/kg
Standard Deviation 0.23
0.61 dL/kg
Standard Deviation 0.13

SECONDARY outcome

Timeframe: Within 30 minutes prior to the start of the infusion; and after the end of the infusion at 15, 30 minutes, and 1, 3, 6, 9, 24, 28, 32, and 48 hours.

Population: Intent to Treat

computed as CL \* MRT

Outcome measures

Outcome measures
Measure
One 3000 International Unit (IU) Vial
n=23 Participants
Participants received via intravenous (IV) infusion 3000 International Units (IU) Advate using one 3000 IU potency vial dissolved in 5 mL diluent
Two 1500 IU Vials
n=23 Participants
Participants received via intravenous (IV) infusion 3000 International Units (IU) Advate using two 1500 IU potency vials dissolved in 5 mL diluent each (administered in 10 mL diluent in total)
Volume of Distribution at Steady State- One-stage aPTT Assay
0.74 dL/kg
Standard Deviation 0.19
0.64 dL/kg
Standard Deviation 0.11

SECONDARY outcome

Timeframe: Within 30 minutes prior to the start of the infusion; and after the end of the infusion at 15, 30 minutes, and 1, 3, 6, 9, 24, 28, 32, and 48 hours.

Population: Intent to Treat

Determined as the highest FVIII activity achieved post-infusion.

Outcome measures

Outcome measures
Measure
One 3000 International Unit (IU) Vial
n=23 Participants
Participants received via intravenous (IV) infusion 3000 International Units (IU) Advate using one 3000 IU potency vial dissolved in 5 mL diluent
Two 1500 IU Vials
n=23 Participants
Participants received via intravenous (IV) infusion 3000 International Units (IU) Advate using two 1500 IU potency vials dissolved in 5 mL diluent each (administered in 10 mL diluent in total)
Factor VIII (FVIII) Maximum Plasma Concentration (C-max)- Chromogenic Assay
94 IU/dL
Standard Deviation 21
101 IU/dL
Standard Deviation 18

SECONDARY outcome

Timeframe: Within 30 minutes prior to the start of the infusion; and after the end of the infusion at 15, 30 minutes, and 1, 3, 6, 9, 24, 28, 32, and 48 hours.

Population: Intent to Treat

Determined as the highest FVIII activity achieved post-infusion.

Outcome measures

Outcome measures
Measure
One 3000 International Unit (IU) Vial
n=23 Participants
Participants received via intravenous (IV) infusion 3000 International Units (IU) Advate using one 3000 IU potency vial dissolved in 5 mL diluent
Two 1500 IU Vials
n=23 Participants
Participants received via intravenous (IV) infusion 3000 International Units (IU) Advate using two 1500 IU potency vials dissolved in 5 mL diluent each (administered in 10 mL diluent in total)
Factor VIII (FVIII) Maximum Plasma Concentration (C-max)- One-stage aPTT Assay
91 IU/dL
Standard Deviation 21
98 IU/dL
Standard Deviation 20

Adverse Events

One 3000 International Unit (IU) Vial

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Two 1500 IU Vials

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Study Director

Shire

Phone: +1 866 842 5335

Results disclosure agreements

  • Principal investigator is a sponsor employee Baxter's agreements with PIs may vary per requirements of individual PI, but contain common elements. For this study, PIs are restricted from independently publishing results until the earlier of the primary multicenter publication of the main/primary endpoint or ≤24 months after study completion. Baxter requires a review of results communications (e.g., for confidential information) prior to submission for publication, and shall review and if necessary amend the manuscript in ≤30 days
  • Publication restrictions are in place

Restriction type: OTHER