Trial Outcomes & Findings for Safety and Pharmacokinetics of IGSC 20% in Subjects With Primary Immunodeficiency (NCT NCT02604810)

NCT ID: NCT02604810

Last Updated: 2019-10-04

Results Overview

The primary PK endpoint (steady-state AUC values) analysis was performed using analysis of variance (ANOVA) using PK data from a total of 49 subjects from the IV phase and 39 subjects from the SC phase.

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

53 participants

Primary outcome timeframe

For intravenous infusion, predose, 0,1,3-16 hours and 1,2,3,5,7,14,21 or 28 days (2, 7, 21, or 28 days for pediatric subjects) post-dose and for subcutaneous infusion, pre-dose,1,3,4,5,7 days (3 and 7 days for pediatric subjects) post-dose

Results posted on

2019-10-04

Participant Flow

A total of 61 subjects were screened for participation in this study. Of these 61 subjects, 8 subjects were considered screen failures. A total of 20 investigators in the United States enrolled subjects in this study. The first subject was enrolled in this study on 04 Jan 2016 and the date of the last subject's last study visit was 14 Dec 2017.

One subject was lost to follow-up before the IGIV-C Phase.

Participant milestones

Participant milestones
Measure
IGIV-C 10% First, IGSC 20% Second
IV dose of Immune Globulin Injection (Human), 10% Caprylate/Chromatography Purified (Grifols) IGIV-C 10%: IGIV-C 10% infusions every 3 to 4 weeks based on previous IgG regimen After completing the IGIV-C 10% infusions, subjects continued to receive IGSC 20% infusions. Immune Globulin Subcutaneous (Human), 20% Caprylate/Chromatography Purified (Grifols) IGSC 20%: IGSC 20% weekly infusions with dose calculated based on previous IgG regimen
IGIV-C 10%, 4-5 Weeks
STARTED
52
IGIV-C 10%, 4-5 Weeks
COMPLETED
49
IGIV-C 10%, 4-5 Weeks
NOT COMPLETED
3
IGSC 20%, 24 Weeks
STARTED
49
IGSC 20%, 24 Weeks
COMPLETED
42
IGSC 20%, 24 Weeks
NOT COMPLETED
7

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Safety and Pharmacokinetics of IGSC 20% in Subjects With Primary Immunodeficiency

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
IGIV-C 10% First, IGSC 20% Second
n=53 Participants
IV dose of Immune Globulin Injection (Human), 10% Caprylate/Chromatography Purified (Grifols) IGIV-C 10%: IGIV-C 10% infusions every 3 to 4 weeks based on previous IgG regimen After completing the IGIV-C 10% infusions, subjects continued to receive IGSC 20% infusions. Immune Globulin Subcutaneous (Human), 20% Caprylate/Chromatography Purified (Grifols) IGSC 20%: IGSC 20% weekly infusions with dose calculated based on previous IgG regimen
Age, Categorical
<=18 years
15 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
33 Participants
n=5 Participants
Age, Categorical
>=65 years
5 Participants
n=5 Participants
Age, Continuous
36.8 years
STANDARD_DEVIATION 21.36 • n=5 Participants
Sex: Female, Male
Female
26 Participants
n=5 Participants
Sex: Female, Male
Male
27 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
5 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
48 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
3 Participants
n=5 Participants
Race (NIH/OMB)
Asian
0 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
2 Participants
n=5 Participants
Race (NIH/OMB)
White
48 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants

PRIMARY outcome

Timeframe: For intravenous infusion, predose, 0,1,3-16 hours and 1,2,3,5,7,14,21 or 28 days (2, 7, 21, or 28 days for pediatric subjects) post-dose and for subcutaneous infusion, pre-dose,1,3,4,5,7 days (3 and 7 days for pediatric subjects) post-dose

Population: The PK population consisted of all subjects who received study drugs and had sufficient and valid total IgG concentration versus time data for either the IV or SC Phase to allow calculation of AUC0-τ,SC or AUC0-τ,IV (the primary PK endpoint).

The primary PK endpoint (steady-state AUC values) analysis was performed using analysis of variance (ANOVA) using PK data from a total of 49 subjects from the IV phase and 39 subjects from the SC phase.

Outcome measures

Outcome measures
Measure
IGIV-C 10%
n=49 Participants
IV dose of Immune Globulin Injection (Human), 10% Caprylate/Chromatography Purified (Grifols) IGIV-C 10%: IGIV-C 10% infusions every 3 to 4 weeks based on previous IgG regimen
IGSC 20%
n=39 Participants
Immune Globulin Subcutaneous (Human), 20% Caprylate/Chromatography Purified (Grifols) IGSC 20%: IGSC 20% weekly infusions with dose calculated based on previous IgG regimen
AUC in the IV Phase and SC Phases: Steady-state AUC of Total IgG Over a Regular Dosing Interval
207921.5 h*mg/dL
Interval 197865.8 to 218488.2
213141.4 h*mg/dL
Interval 200568.6 to 226502.3

SECONDARY outcome

Timeframe: For intravenous infusion, pre-dose at Week 1 and Week 3 or Week 4 and for subcutaneous infusion, predose at Weeks 13, 14, 17, and 21

Outcome measures

Outcome measures
Measure
IGIV-C 10%
n=51 Participants
IV dose of Immune Globulin Injection (Human), 10% Caprylate/Chromatography Purified (Grifols) IGIV-C 10%: IGIV-C 10% infusions every 3 to 4 weeks based on previous IgG regimen
IGSC 20%
n=44 Participants
Immune Globulin Subcutaneous (Human), 20% Caprylate/Chromatography Purified (Grifols) IGSC 20%: IGSC 20% weekly infusions with dose calculated based on previous IgG regimen
Mean Steady-state Trough (Pre-dose) Concentration of Total IgG Following IV Administration of IGIV-C 10% or SC Administration of IGSC 20%
957.13 mg/dL
Interval 351.0 to 1920.0
1244.84 mg/dL
Interval 651.5 to 2047.5

Adverse Events

IGIV-C 10%

Serious events: 1 serious events
Other events: 6 other events
Deaths: 0 deaths

IGSC 20%

Serious events: 2 serious events
Other events: 35 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
IGIV-C 10%
n=52 participants at risk
IV dose of Immune Globulin Injection (Human), 10% Caprylate/Chromatography Purified (Grifols) IGIV-C 10%: IGIV-C 10% infusions every 3 to 4 weeks based on previous IgG regimen
IGSC 20%
n=49 participants at risk
Immune Globulin Subcutaneous (Human), 20% Caprylate/Chromatography Purified (Grifols) IGSC 20%: IGSC 20% weekly infusions with dose calculated based on previous IgG regimen
Infections and infestations
Pneumonia bacterial
1.9%
1/52 • Number of events 1 • During the IV phase, the adverse event data were collected for 4 to 5 weeks. During the SC phase, the adverse event data were collected for 24 weeks.
0.00%
0/49 • During the IV phase, the adverse event data were collected for 4 to 5 weeks. During the SC phase, the adverse event data were collected for 24 weeks.
Infections and infestations
Sepsis
1.9%
1/52 • Number of events 1 • During the IV phase, the adverse event data were collected for 4 to 5 weeks. During the SC phase, the adverse event data were collected for 24 weeks.
2.0%
1/49 • Number of events 1 • During the IV phase, the adverse event data were collected for 4 to 5 weeks. During the SC phase, the adverse event data were collected for 24 weeks.
Injury, poisoning and procedural complications
Animal bite
0.00%
0/52 • During the IV phase, the adverse event data were collected for 4 to 5 weeks. During the SC phase, the adverse event data were collected for 24 weeks.
2.0%
1/49 • Number of events 1 • During the IV phase, the adverse event data were collected for 4 to 5 weeks. During the SC phase, the adverse event data were collected for 24 weeks.
Infections and infestations
Cellulitis
0.00%
0/52 • During the IV phase, the adverse event data were collected for 4 to 5 weeks. During the SC phase, the adverse event data were collected for 24 weeks.
2.0%
1/49 • Number of events 1 • During the IV phase, the adverse event data were collected for 4 to 5 weeks. During the SC phase, the adverse event data were collected for 24 weeks.
Musculoskeletal and connective tissue disorders
Intervertebral disc
0.00%
0/52 • During the IV phase, the adverse event data were collected for 4 to 5 weeks. During the SC phase, the adverse event data were collected for 24 weeks.
2.0%
1/49 • Number of events 1 • During the IV phase, the adverse event data were collected for 4 to 5 weeks. During the SC phase, the adverse event data were collected for 24 weeks.

Other adverse events

Other adverse events
Measure
IGIV-C 10%
n=52 participants at risk
IV dose of Immune Globulin Injection (Human), 10% Caprylate/Chromatography Purified (Grifols) IGIV-C 10%: IGIV-C 10% infusions every 3 to 4 weeks based on previous IgG regimen
IGSC 20%
n=49 participants at risk
Immune Globulin Subcutaneous (Human), 20% Caprylate/Chromatography Purified (Grifols) IGSC 20%: IGSC 20% weekly infusions with dose calculated based on previous IgG regimen
Infections and infestations
Sinusitis
5.8%
3/52 • Number of events 3 • During the IV phase, the adverse event data were collected for 4 to 5 weeks. During the SC phase, the adverse event data were collected for 24 weeks.
18.4%
9/49 • Number of events 10 • During the IV phase, the adverse event data were collected for 4 to 5 weeks. During the SC phase, the adverse event data were collected for 24 weeks.
General disorders
Infusion site bruising
0.00%
0/52 • During the IV phase, the adverse event data were collected for 4 to 5 weeks. During the SC phase, the adverse event data were collected for 24 weeks.
6.1%
3/49 • Number of events 3 • During the IV phase, the adverse event data were collected for 4 to 5 weeks. During the SC phase, the adverse event data were collected for 24 weeks.
General disorders
Infusion site nodule
0.00%
0/52 • During the IV phase, the adverse event data were collected for 4 to 5 weeks. During the SC phase, the adverse event data were collected for 24 weeks.
12.2%
6/49 • Number of events 9 • During the IV phase, the adverse event data were collected for 4 to 5 weeks. During the SC phase, the adverse event data were collected for 24 weeks.
General disorders
Infusion site pain
0.00%
0/52 • During the IV phase, the adverse event data were collected for 4 to 5 weeks. During the SC phase, the adverse event data were collected for 24 weeks.
6.1%
3/49 • Number of events 3 • During the IV phase, the adverse event data were collected for 4 to 5 weeks. During the SC phase, the adverse event data were collected for 24 weeks.
Infections and infestations
Bronchitis
3.8%
2/52 • Number of events 2 • During the IV phase, the adverse event data were collected for 4 to 5 weeks. During the SC phase, the adverse event data were collected for 24 weeks.
6.1%
3/49 • Number of events 3 • During the IV phase, the adverse event data were collected for 4 to 5 weeks. During the SC phase, the adverse event data were collected for 24 weeks.
Infections and infestations
Pharyngitis streptococcal
0.00%
0/52 • During the IV phase, the adverse event data were collected for 4 to 5 weeks. During the SC phase, the adverse event data were collected for 24 weeks.
6.1%
3/49 • Number of events 3 • During the IV phase, the adverse event data were collected for 4 to 5 weeks. During the SC phase, the adverse event data were collected for 24 weeks.
Infections and infestations
Upper respiratory tract infection
0.00%
0/52 • During the IV phase, the adverse event data were collected for 4 to 5 weeks. During the SC phase, the adverse event data were collected for 24 weeks.
10.2%
5/49 • Number of events 6 • During the IV phase, the adverse event data were collected for 4 to 5 weeks. During the SC phase, the adverse event data were collected for 24 weeks.
Respiratory, thoracic and mediastinal disorders
Cough
1.9%
1/52 • Number of events 1 • During the IV phase, the adverse event data were collected for 4 to 5 weeks. During the SC phase, the adverse event data were collected for 24 weeks.
6.1%
3/49 • Number of events 4 • During the IV phase, the adverse event data were collected for 4 to 5 weeks. During the SC phase, the adverse event data were collected for 24 weeks.
Gastrointestinal disorders
Diarrhoea
0.00%
0/52 • During the IV phase, the adverse event data were collected for 4 to 5 weeks. During the SC phase, the adverse event data were collected for 24 weeks.
6.1%
3/49 • Number of events 3 • During the IV phase, the adverse event data were collected for 4 to 5 weeks. During the SC phase, the adverse event data were collected for 24 weeks.

Additional Information

Rhonda Griffin

Grifols Therapeutics LLC

Phone: 919-316-6693

Results disclosure agreements

  • Principal investigator is a sponsor employee Site may publish results from the Study, after providing Sponsor thirty days' notice prior to submitting a manuscript or other materials related to the Study to any outside party. At Sponsors' request, Site will remove any Confidential Information (other than Study results), and Site will upon Sponsors' request, delay publication or presentation for a period of up to one hundred twenty days to allow Sponsor to protect its interests in any Sponsor Inventions.
  • Publication restrictions are in place

Restriction type: OTHER