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To Evaluate the Safety, Tolerability, and Immunogenicity of BNT162b2 Against COVID-19 in Healthy Pregnant Women 18 Years of Age and Older

NCT04754594

CompletedPhase 2, Phase 3

Sponsor: BioNTech SE

Conditions: SARS-CoV-2 Infection, COVID-19, Maternal Immunization

Interventions: BNT162b2, Placebo

Countries: United States, Brazil, South Africa, Spain, United Kingdom

Results will be submitted, however please note that data are not yet available for all serology outcome measures. This will be a Phase 2/3, randomized, placebo-controlled, observer-blind study evaluating the safety, tolerability, and immunogenicity of 30 µg of BNT162b2 or placebo administered in 2 doses, 21 days apart, in approximately 350 healthy pregnant women 18 years of age or older vaccinated at 24 to 34 weeks' gestation. Participants will be randomized 1:1 to receive BNT162b2 or placebo (saline).

Eligibility overview

Sex: FEMALE

Age: 18 Years to —

Healthy volunteers: Yes

Study type: INTERVENTIONAL

Eligibility criteria

Inclusion Criteria:

1. Healthy women ≥18 years of age who are between 24 0/7 and 34 0/7 weeks' gestation on the day of planned vaccination, with an uncomplicated, singleton pregnancy, who are at no known increased risk for complications.
2. Participants who are willing and able to comply with scheduled visits, treatment plan, laboratory tests, and other study procedures.
3. Healthy participants who are determined by medical history, physical examination, and clinical judgment to be appropriate for inclusion in the study
4. Documented negative HIV antibody test (Phase 2 only), syphilis test, and HBV surface antigen test during this pregnancy and prior to randomization
5. Participant is willing to give informed consent for her infant to participate in the study
6. Capable of giving signed informed consent

Exclusion Criteria:

1. Other medical or psychiatric condition including recent (within the past year) or active suicidal ideation/behavior or laboratory abnormality that may increase the risk of study participation or, in the investigator's judgment, make the participant inappropriate for the study.
2. Previous clinical (based on COVID-19 symptoms/signs alone, if a SARS-CoV-2 NAAT result was not available) or microbiological (based on COVID-19 symptoms/signs and a positive SARS-CoV-2 NAAT result) diagnosis of COVID 19.
3. History of severe adverse reaction associated with a vaccine and/or severe allergic reaction (eg, anaphylaxis) to any component of the study intervention or any related vaccine.
4. Participants with known or suspected immunodeficiency.
5. Bleeding diathesis or condition associated with prolonged bleeding that would in the opinion of the investigator contraindicate intramuscular injection.
6. Previous vaccination with any coronavirus vaccine.
7. Receipt of medications intended to prevent COVID 19.
8. Receipt of blood/plasma products or immunoglobulin, from 60 days before administration of study intervention, or planned receipt through delivery, with 1 exception, anti-D immunoglobulin (eg, RhoGAM), which can be given at any time.
9. Current alcohol abuse or illicit drug use.
10. Participants who receive treatment with immunosuppressive therapy, including cytotoxic agents or systemic corticosteroids, eg, for cancer or an autoimmune disease, or planned receipt through the postvaccination blood draw.
11. Participation in other studies involving study intervention within 28 days prior to study entry and/or during study participation.
12. Previous participation in other studies involving study intervention containing LNPs.
13. Investigator site staff or Pfizer employees directly involved in the conduct of the study, site staff otherwise supervised by the investigator, and their respective family members.
14. Participants whose unborn baby has been fathered by investigational site staff members directly involved in the conduct of the study or their family members, site staff members otherwise supervised by the investigator, or Pfizer employees directly involved in the conduct of the study.

Locations (90)

Birmingham, Alabama, United States
Birmingham, Alabama, United States
Birmingham, Alabama, United States
Mobile, Alabama, United States
Glendale, Arizona, United States
Goodyear, Arizona, United States
Phoenix, Arizona, United States
Phoenix, Arizona, United States
Huntington Park, California, United States
Huntington Park, California, United States
Lancaster, California, United States
Los Angeles, California, United States
Los Angeles, California, United States
Loxahatchee Groves, Florida, United States
Ammon, Idaho, United States
Blackfoot, Idaho, United States
Idaho Falls, Idaho, United States
Idaho Falls, Idaho, United States
Idaho Falls, Idaho, United States
Idaho Falls, Idaho, United States
Saginaw, Michigan, United States
Saginaw, Michigan, United States
Anaconda, Montana, United States
Butte, Montana, United States
Butte, Montana, United States
Hamilton, Montana, United States
Missoula, Montana, United States
Missoula, Montana, United States
Missoula, Montana, United States
Missoula, Montana, United States
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