- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04468958
Safety, Tolerability, and Pharmacokinetics of SAB-185 in Healthy Participants
June 28, 2022 updated by: SAb Biotherapeutics, Inc.
A Phase 1, Randomized, Double-Blind, Placebo-Controlled, Single and Multiple Ascending Dose Study of SAB-185 in Healthy Subjects
Coronavirus disease 2019 (COVID-19) is an infectious disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2).
SAB Biotherapeutics has developed SAB-185, an Anti-SARS-CoV-2 Human Immunoglobulin Intravenous (transchromosomic [Tc] bovine-derived), as a potential therapeutic to treat COVID-19.
This study will evaluate the safety, immunogenicity, and pharmacokinetics of SAB-185 in healthy participants.
Study Overview
Status
Completed
Intervention / Treatment
Detailed Description
There were 4 treatment groups and 1 control group.
Cohort 1 received 1 dose of SAB-185 at 10 mg/kg per dose.
Cohort 2 received 1 dose of SAB-185 at 25 mg/kg, Cohort 3 received 2 doses of SAB-185 at 25 mg/kg each 7 days apart, and Cohort 4 received 1 dose of SAB-185 at 50 mg/kg per dose.
All the doses were prepared at the site by the pharmacy staff or designee for delivery to the clinical staff for administration, per the site's SOPs.
Study Type
Interventional
Enrollment (Actual)
28
Phase
- Phase 1
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
-
-
Kansas
-
Wichita, Kansas, United States, 67205
- Alliance for Multispecialty Research, LLC
-
-
New York
-
Syracuse, New York, United States, 13210
- SUNY Upstate Medical University
-
-
Texas
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San Antonio, Texas, United States, 78209
- ICON Early Phase Services
-
-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
16 years to 58 years (Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
Subjects must meet all of the following criteria for inclusion:
- 18-60 years of age
- Able to understand the study and comply with all study procedures
- Agrees not to participate in any other trial of an investigational product during the study period
- Willing and able to provide written informed consent prior to the start of any study related activities
- In good health in the opinion of the site principal investigator as determined by vital signs, medical history, physical examination and clinical laboratory tests
If female, meets at least one of the following reproductive risk criteria
- Post-menopausal for at least 12 months
- Use of one or more of the following highly effective contraceptive methods for at least 90 days following the last dose of study product: combined estrogen and progestogen containing or progestogen-only hormonal contraception, intrauterine device (IUD), intrauterine hormone-releasing system, surgical bilateral tubal occlusion
- Vasectomized sole sexual partner who has received medical assessment of the surgical success
- Subjects agree to sexual abstinence (refraining from heterosexual intercourse for at least 90 days following the last dose of study product) if not using birth control or condoms for males.
Exclusion Criteria:
- Female subjects with positive pregnancy test, breastfeeding, or planning to become pregnant/breastfeed during the study period.
- Treatment or participation in another clinical trial of any other investigational agent within 30 days prior to enrollment.
- Use of other drugs that, in the opinion of the investigator, could complicate analysis of SAB-185.
Subjects with the following risk factors:
- Compromised immune system including confirmed diagnosis of current cancer under treatment, inherited deficiencies of the immune system, immune suppressing medication, or other conditions causing leukopenia or neutropenia
- Known autoimmune condition requiring therapy more intensive than intermittent non-steroidal anti-inflammatories in the prior 6 months (for example: rheumatoid arthritis, lupus, inflammatory bowel disease)
- Chronic respiratory disease including COPD, emphysema, cystic fibrosis, pulmonary hypertension, or other chronic condition that requires the routine use of supplemental oxygen
- Chronic asthma requiring the use of oral steroids or hospitalization in the last six months
- Renal failure or renal insufficiency requiring dialysis
- Congestive heart failure or significant atherosclerotic disease (coronary artery disease or peripheral vascular disease)
- Hypertension, diabetes, those currently vaping or smoking or with a history of chronic smoking, and those with BMI > 35 kg/m2
- Receipt of pooled immunoglobulin or plasma in past 30 days
- Any other underlying medical (cardiac, liver, renal, neurological, respiratory) or psychiatric condition that in the view of the investigator would preclude use of SAB-185
- Known IgA deficiency or previous allergic reaction to intravenous immunoglobin (IVIG)/subcutaneous immunoglobin (SCIG)
- Positive screening test for hepatitis B virus surface antigen, hepatitis C virus antibody, or HIV antibody
- Positive screening test for rheumatoid factor
- History of COVID-19
- Positive FDA-authorized screening test for serum SARS-CoV-2 antibody or presence of SARS-CoV-2 on nasopharyngeal or oropharyngeal swab by FDA-authorized RT-PCR
- History of allergy, anaphylaxis, or severe reaction to beef products (including milk and gelatin).
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Sequential Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Placebo Comparator: Placebo
Normal (0.9%) saline in approximately the same volume as each cohort in the experimental drug arm.
|
Normal (0.9%) saline in approximately the same volume as each cohort in the experimental drug arm.
|
Experimental: 10mg/kg SAB-185
10mg/kg SAB-185 in normal (0.9%) saline; concentration 4mg/mL (0.4%)
|
SAB-185 is a purified human immunoglobulin G (hIgG) designed to specifically bind to Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) viruses.
SAB-185 is purified from the plasma of immunized Tc bovines that were immunized initially (vaccinations 1 and 2) with a plasmid DNA (pDNA) vaccine that expresses wild-type SARS-CoV-2 spike protein, followed by additional immunizations (vaccinations 3 and beyond) with a recombinant spike protein from SARS-CoV-2 produced in insect cells.
The purified hIgG is a sterile liquid formulated in 10 mM glutamic acid monosodium salt, 262 mM D-sorbitol, 0.05 mg/mL Tween 80, pH 5.5.
The drug product will be administered intravenously and will be diluted in saline per the clinical protocol.
Other Names:
|
Experimental: 25mg/kg SAB-185
25mg/kg SAB-185 in normal (0.9%) saline; concentration 20mg/mL (2%)
|
SAB-185 is a purified human immunoglobulin G (hIgG) designed to specifically bind to Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) viruses.
SAB-185 is purified from the plasma of immunized Tc bovines that were immunized initially (vaccinations 1 and 2) with a plasmid DNA (pDNA) vaccine that expresses wild-type SARS-CoV-2 spike protein, followed by additional immunizations (vaccinations 3 and beyond) with a recombinant spike protein from SARS-CoV-2 produced in insect cells.
The purified hIgG is a sterile liquid formulated in 10 mM glutamic acid monosodium salt, 262 mM D-sorbitol, 0.05 mg/mL Tween 80, pH 5.5.
The drug product will be administered intravenously and will be diluted in saline per the clinical protocol.
Other Names:
|
Experimental: 25mg/kg SAB-185 x 2 doses
25mg/kg SAB-185 in normal (0.9%) saline; concentration 20mg/mL (2%).
Cohort 3 will receive a second 25mg/kg dose of SAB-185 7 days (+/-2) after the first treatment.
|
SAB-185 is a purified human immunoglobulin G (hIgG) designed to specifically bind to Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) viruses.
SAB-185 is purified from the plasma of immunized Tc bovines that were immunized initially (vaccinations 1 and 2) with a plasmid DNA (pDNA) vaccine that expresses wild-type SARS-CoV-2 spike protein, followed by additional immunizations (vaccinations 3 and beyond) with a recombinant spike protein from SARS-CoV-2 produced in insect cells.
The purified hIgG is a sterile liquid formulated in 10 mM glutamic acid monosodium salt, 262 mM D-sorbitol, 0.05 mg/mL Tween 80, pH 5.5.
The drug product will be administered intravenously and will be diluted in saline per the clinical protocol.
Other Names:
|
Experimental: 50mg/kg SAB-185
50mg/kg SAB-185 in normal (0.9%) saline; concentration 20mg/mL (2%)
|
SAB-185 is a purified human immunoglobulin G (hIgG) designed to specifically bind to Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) viruses.
SAB-185 is purified from the plasma of immunized Tc bovines that were immunized initially (vaccinations 1 and 2) with a plasmid DNA (pDNA) vaccine that expresses wild-type SARS-CoV-2 spike protein, followed by additional immunizations (vaccinations 3 and beyond) with a recombinant spike protein from SARS-CoV-2 produced in insect cells.
The purified hIgG is a sterile liquid formulated in 10 mM glutamic acid monosodium salt, 262 mM D-sorbitol, 0.05 mg/mL Tween 80, pH 5.5.
The drug product will be administered intravenously and will be diluted in saline per the clinical protocol.
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Number of Participants Having Adverse Events
Time Frame: 29 Days
|
Incidence and severity of other adverse events and severe adverse events (SAE)
|
29 Days
|
Number of Participants Having Transfusion-Related Adverse Events
Time Frame: 29 Days
|
transfusion-related adverse events
|
29 Days
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Number of Participants Having Adverse Events
Time Frame: 90 Days
|
Incidence and severity of adverse events and SAEs from Screening through Study Day 90
|
90 Days
|
Pharmacokinetics from screening to day 90
Time Frame: 90 Days
|
SARS-CoV-2 binding (ELISA) and neutralizing (PRNT80) antibody titers from Screening through Study Day 90
|
90 Days
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Collaborators
Investigators
- Principal Investigator: David Hoover, MD, ICON GPHS
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
July 1, 2020
Primary Completion (Actual)
December 23, 2020
Study Completion (Actual)
December 23, 2020
Study Registration Dates
First Submitted
July 8, 2020
First Submitted That Met QC Criteria
July 8, 2020
First Posted (Actual)
July 13, 2020
Study Record Updates
Last Update Posted (Actual)
July 1, 2022
Last Update Submitted That Met QC Criteria
June 28, 2022
Last Verified
June 1, 2022
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- SAB-185-101
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Yes
IPD Plan Description
Individual participant data that underlie the results reported in the published article, after deidentification (test, tables, figures, and appendices)
IPD Sharing Time Frame
Starting 6 months after publication and ending 36 months following article publication
IPD Sharing Access Criteria
Anyone who wishes to access the data.
IPD Sharing Supporting Information Type
- Study Protocol
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Yes
Studies a U.S. FDA-regulated device product
No
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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