Trial Outcomes & Findings for Safety, Tolerability, and Pharmacokinetics of SAB-176 in Healthy Participants (NCT NCT04471038)

NCT ID: NCT04471038

Last Updated: 2025-01-06

Results Overview

Incidence and severity of other adverse events and severe adverse events (SAE)

Recruitment status

COMPLETED

Study phase

PHASE1

Target enrollment

27 participants

Primary outcome timeframe

90 days

Results posted on

2025-01-06

Participant Flow

Participant milestones

Participant milestones
Measure
Cohort 1
1 mg/mL SAB-176 in normal (0.9%) Saline; concentration 1 mg/mL (0.1%) SAB-176: Anti-Influenza Human Immunoglobulin Intravenous (Tc bovine derived)
Cohort 2
10 mg/kgSAB-176 in normal (0.9%) Saline; concentration 4 mg/mL (0.4%) SAB-176: Anti-Influenza Human Immunoglobulin Intravenous (Tc bovine derived)
Cohort 3
25 mg/kgSAB-176 in normal (0.9%) Saline; concentration 20 mg/mL (2.0%) SAB-176: Anti-Influenza Human Immunoglobulin Intravenous (Tc bovine derived)
Cohort 4
50 mg/kg SAB-176 in normal (0.9%) Saline; concentration 20 mg/mL (2.0%) SAB-176: Anti-Influenza Human Immunoglobulin Intravenous (Tc bovine derived)
Cohort 5
Normal (0.9%) saline in approximately the same volume as each cohort in the experimental drug arm. Normal Saline: Normal (0.9%) saline in approximately the same volume as each cohort in the experimental drug arm
Overall Study
STARTED
2
4
6
8
7
Overall Study
COMPLETED
2
4
6
8
7
Overall Study
NOT COMPLETED
0
0
0
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Safety, Tolerability, and Pharmacokinetics of SAB-176 in Healthy Participants

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Cohort 1
n=2 Participants
1 mg/mL SAB-176 in normal (0.9%) Saline; concentration 1 mg/mL (0.1%) SAB-176: Anti-Influenza Human Immunoglobulin Intravenous (Tc bovine derived)
Cohort 2
n=4 Participants
10 mg/kgSAB-176 in normal (0.9%) Saline; concentration 4 mg/mL (0.4%) SAB-176: Anti-Influenza Human Immunoglobulin Intravenous (Tc bovine derived)
Cohort 3
n=6 Participants
25 mg/kgSAB-176 in normal (0.9%) Saline; concentration 20 mg/mL (2.0%) SAB-176: Anti-Influenza Human Immunoglobulin Intravenous (Tc bovine derived)
Cohort 4
n=8 Participants
50 mg/kg SAB-176 in normal (0.9%) Saline; concentration 20 mg/mL (2.0%) SAB-176: Anti-Influenza Human Immunoglobulin Intravenous (Tc bovine derived)
Cohort 5
n=7 Participants
Normal (0.9%) saline in approximately the same volume as each cohort in the experimental drug arm. Normal Saline: Normal (0.9%) saline in approximately the same volume as each cohort in the experimental drug arm
Total
n=27 Participants
Total of all reporting groups
Age, Customized
29.0 years
STANDARD_DEVIATION 5.66 • n=5 Participants
43.3 years
STANDARD_DEVIATION 14.41 • n=7 Participants
40.5 years
STANDARD_DEVIATION 10.07 • n=5 Participants
34.1 years
STANDARD_DEVIATION 7.72 • n=4 Participants
35.7 years
STANDARD_DEVIATION 9.95 • n=21 Participants
36.9 years
STANDARD_DEVIATION 10.02 • n=8 Participants
Sex: Female, Male
Female
2 Participants
n=5 Participants
3 Participants
n=7 Participants
2 Participants
n=5 Participants
2 Participants
n=4 Participants
4 Participants
n=21 Participants
13 Participants
n=8 Participants
Sex: Female, Male
Male
0 Participants
n=5 Participants
1 Participants
n=7 Participants
4 Participants
n=5 Participants
6 Participants
n=4 Participants
3 Participants
n=21 Participants
14 Participants
n=8 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
2 Participants
n=5 Participants
2 Participants
n=7 Participants
3 Participants
n=5 Participants
4 Participants
n=4 Participants
4 Participants
n=21 Participants
15 Participants
n=8 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
0 Participants
n=5 Participants
2 Participants
n=7 Participants
3 Participants
n=5 Participants
4 Participants
n=4 Participants
3 Participants
n=21 Participants
12 Participants
n=8 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
0 Participants
n=8 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
0 Participants
n=8 Participants
Race (NIH/OMB)
Asian
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
0 Participants
n=8 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
0 Participants
n=8 Participants
Race (NIH/OMB)
Black or African American
1 Participants
n=5 Participants
1 Participants
n=7 Participants
2 Participants
n=5 Participants
1 Participants
n=4 Participants
0 Participants
n=21 Participants
5 Participants
n=8 Participants
Race (NIH/OMB)
White
1 Participants
n=5 Participants
2 Participants
n=7 Participants
4 Participants
n=5 Participants
7 Participants
n=4 Participants
7 Participants
n=21 Participants
21 Participants
n=8 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
1 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
1 Participants
n=8 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
0 Participants
n=8 Participants
Screening Weight (kg)
76.10 kg
STANDARD_DEVIATION 18.950 • n=5 Participants
62.68 kg
STANDARD_DEVIATION 11.054 • n=7 Participants
85.95 kg
STANDARD_DEVIATION 18.888 • n=5 Participants
85.26 kg
STANDARD_DEVIATION 10.859 • n=4 Participants
72.67 kg
STANDARD_DEVIATION 11.226 • n=21 Participants
78.13 kg
STANDARD_DEVIATION 15.242 • n=8 Participants
Screening BMI
28.70 kg/m^2
STANDARD_DEVIATION 0.707 • n=5 Participants
23.95 kg/m^2
STANDARD_DEVIATION 4.779 • n=7 Participants
27.95 kg/m^2
STANDARD_DEVIATION 3.500 • n=5 Participants
28.58 kg/m^2
STANDARD_DEVIATION 2.230 • n=4 Participants
26.13 kg/m^2
STANDARD_DEVIATION 4.389 • n=21 Participants
27.13 kg/m^2
STANDARD_DEVIATION 3.689 • n=8 Participants

PRIMARY outcome

Timeframe: 90 days

Population: At each level of subject summarization, a subject is counted once if the subject reported one or more events.

Incidence and severity of other adverse events and severe adverse events (SAE)

Outcome measures

Outcome measures
Measure
Cohort 1
n=2 Participants
1 mg/mL SAB-176 in normal (0.9%) Saline; concentration 1 mg/mL (0.1%) SAB-176: Anti-Influenza Human Immunoglobulin Intravenous (Tc bovine derived)
Cohort 2
n=4 Participants
10 mg/kgSAB-176 in normal (0.9%) Saline; concentration 4 mg/mL (0.4%) SAB-176: Anti-Influenza Human Immunoglobulin Intravenous (Tc bovine derived)
Cohort 3
n=6 Participants
25 mg/kgSAB-176 in normal (0.9%) Saline; concentration 20 mg/mL (2.0%) SAB-176: Anti-Influenza Human Immunoglobulin Intravenous (Tc bovine derived)
Cohort 4
n=8 Participants
50 mg/kg SAB-176 in normal (0.9%) Saline; concentration 20 mg/mL (2.0%) SAB-176: Anti-Influenza Human Immunoglobulin Intravenous (Tc bovine derived)
Cohort 5
n=7 Participants
Normal (0.9%) saline in approximately the same volume as each cohort in the experimental drug arm. Normal Saline: Normal (0.9%) saline in approximately the same volume as each cohort in the experimental drug arm
Number of Participants Having Adverse Events
0 Participants
1 Participants
1 Participants
1 Participants
2 Participants

SECONDARY outcome

Timeframe: 90 Days

Population: Subjects who received SAB-176 or placebo with 1 or more samples obtained after SAB-176 or placebo administration.

Number of subjects showing antidrug antibodies to SAB-176 through day 90

Outcome measures

Outcome measures
Measure
Cohort 1
n=2 Participants
1 mg/mL SAB-176 in normal (0.9%) Saline; concentration 1 mg/mL (0.1%) SAB-176: Anti-Influenza Human Immunoglobulin Intravenous (Tc bovine derived)
Cohort 2
n=4 Participants
10 mg/kgSAB-176 in normal (0.9%) Saline; concentration 4 mg/mL (0.4%) SAB-176: Anti-Influenza Human Immunoglobulin Intravenous (Tc bovine derived)
Cohort 3
n=6 Participants
25 mg/kgSAB-176 in normal (0.9%) Saline; concentration 20 mg/mL (2.0%) SAB-176: Anti-Influenza Human Immunoglobulin Intravenous (Tc bovine derived)
Cohort 4
n=8 Participants
50 mg/kg SAB-176 in normal (0.9%) Saline; concentration 20 mg/mL (2.0%) SAB-176: Anti-Influenza Human Immunoglobulin Intravenous (Tc bovine derived)
Cohort 5
Normal (0.9%) saline in approximately the same volume as each cohort in the experimental drug arm. Normal Saline: Normal (0.9%) saline in approximately the same volume as each cohort in the experimental drug arm
Number of Participants With Anti-SAB-176 Antibodies Elicited by SAB-176
0 Participants
0 Participants
2 Participants
1 Participants

Adverse Events

Cohort 1

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

Cohort 2

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

Cohort 3

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

Cohort 4

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

Cohort 5

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

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Cohort 1
n=2 participants at risk
1 mg/mL SAB-176 in normal (0.9%) Saline; concentration 1 mg/mL (0.1%) SAB-176: Anti-Influenza Human Immunoglobulin Intravenous (Tc bovine derived)
Cohort 2
n=4 participants at risk
10 mg/kgSAB-176 in normal (0.9%) Saline; concentration 4 mg/mL (0.4%) SAB-176: Anti-Influenza Human Immunoglobulin Intravenous (Tc bovine derived)
Cohort 3
n=6 participants at risk
25 mg/kgSAB-176 in normal (0.9%) Saline; concentration 20 mg/mL (2.0%) SAB-176: Anti-Influenza Human Immunoglobulin Intravenous (Tc bovine derived)
Cohort 4
n=8 participants at risk
50 mg/kg SAB-176 in normal (0.9%) Saline; concentration 20 mg/mL (2.0%) SAB-176: Anti-Influenza Human Immunoglobulin Intravenous (Tc bovine derived)
Cohort 5
n=7 participants at risk
Normal (0.9%) saline in approximately the same volume as each cohort in the experimental drug arm. Normal Saline: Normal (0.9%) saline in approximately the same volume as each cohort in the experimental drug arm
Nervous system disorders
Headache
0.00%
0/2 • AEs that occur following enrollment of the subject (by signing the informed consent) through the follow up period at Day 90.
0.00%
0/4 • AEs that occur following enrollment of the subject (by signing the informed consent) through the follow up period at Day 90.
16.7%
1/6 • Number of events 1 • AEs that occur following enrollment of the subject (by signing the informed consent) through the follow up period at Day 90.
12.5%
1/8 • Number of events 1 • AEs that occur following enrollment of the subject (by signing the informed consent) through the follow up period at Day 90.
14.3%
1/7 • Number of events 1 • AEs that occur following enrollment of the subject (by signing the informed consent) through the follow up period at Day 90.
Eye disorders
Photophobia
0.00%
0/2 • AEs that occur following enrollment of the subject (by signing the informed consent) through the follow up period at Day 90.
25.0%
1/4 • Number of events 1 • AEs that occur following enrollment of the subject (by signing the informed consent) through the follow up period at Day 90.
0.00%
0/6 • AEs that occur following enrollment of the subject (by signing the informed consent) through the follow up period at Day 90.
0.00%
0/8 • AEs that occur following enrollment of the subject (by signing the informed consent) through the follow up period at Day 90.
0.00%
0/7 • AEs that occur following enrollment of the subject (by signing the informed consent) through the follow up period at Day 90.
General disorders
Asthemia
0.00%
0/2 • AEs that occur following enrollment of the subject (by signing the informed consent) through the follow up period at Day 90.
25.0%
1/4 • Number of events 1 • AEs that occur following enrollment of the subject (by signing the informed consent) through the follow up period at Day 90.
0.00%
0/6 • AEs that occur following enrollment of the subject (by signing the informed consent) through the follow up period at Day 90.
0.00%
0/8 • AEs that occur following enrollment of the subject (by signing the informed consent) through the follow up period at Day 90.
0.00%
0/7 • AEs that occur following enrollment of the subject (by signing the informed consent) through the follow up period at Day 90.
Musculoskeletal and connective tissue disorders
Muscular skeletal pain
0.00%
0/2 • AEs that occur following enrollment of the subject (by signing the informed consent) through the follow up period at Day 90.
0.00%
0/4 • AEs that occur following enrollment of the subject (by signing the informed consent) through the follow up period at Day 90.
0.00%
0/6 • AEs that occur following enrollment of the subject (by signing the informed consent) through the follow up period at Day 90.
0.00%
0/8 • AEs that occur following enrollment of the subject (by signing the informed consent) through the follow up period at Day 90.
14.3%
1/7 • Number of events 1 • AEs that occur following enrollment of the subject (by signing the informed consent) through the follow up period at Day 90.
Skin and subcutaneous tissue disorders
skin irritation
0.00%
0/2 • AEs that occur following enrollment of the subject (by signing the informed consent) through the follow up period at Day 90.
0.00%
0/4 • AEs that occur following enrollment of the subject (by signing the informed consent) through the follow up period at Day 90.
0.00%
0/6 • AEs that occur following enrollment of the subject (by signing the informed consent) through the follow up period at Day 90.
0.00%
0/8 • AEs that occur following enrollment of the subject (by signing the informed consent) through the follow up period at Day 90.
14.3%
1/7 • Number of events 1 • AEs that occur following enrollment of the subject (by signing the informed consent) through the follow up period at Day 90.
Vascular disorders
Hypotension
0.00%
0/2 • AEs that occur following enrollment of the subject (by signing the informed consent) through the follow up period at Day 90.
25.0%
1/4 • Number of events 1 • AEs that occur following enrollment of the subject (by signing the informed consent) through the follow up period at Day 90.
0.00%
0/6 • AEs that occur following enrollment of the subject (by signing the informed consent) through the follow up period at Day 90.
0.00%
0/8 • AEs that occur following enrollment of the subject (by signing the informed consent) through the follow up period at Day 90.
0.00%
0/7 • AEs that occur following enrollment of the subject (by signing the informed consent) through the follow up period at Day 90.

Additional Information

Senior Director Clinical Operations

SAB Biotherapeutics

Phone: 8326221699

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place