Influenza Clinical Trial
Official title:
A Phase II Study in Pregnant Women to Assess the Safety and Immunogenicity of an Unadjuvanted Sanofi Pasteur H1N1 Inactivated Influenza Vaccine Administered at Two Dose Levels
The purpose of this study is to evaluate an investigational 2009 H1N1 influenza vaccine to determine vaccine safety in pregnant women and the body's immune response (body's defense against disease) to different strengths of the H1N1 influenza vaccine. In this study, 2 strengths of the H1N1 influenza vaccine will be tested (given 3 weeks apart). Participants will include approximately 120 healthy pregnant women, ages 18-39 years, in their second or third trimester of pregnancy (14-34 weeks gestation). Study procedures will include 2 doses of vaccine, blood samples, cord blood samples at delivery, and recording temperature and vaccine side effects in a memory aid for 8 days following each vaccination. Participants will be involved in study related procedures for about 7 months.
Status | Completed |
Enrollment | 120 |
Est. completion date | May 2010 |
Est. primary completion date | May 2010 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | Female |
Age group | 18 Years to 39 Years |
Eligibility |
Inclusion Criteria: - Pregnant female between the ages of 18 and 39 years, inclusive. - Is from 14-34 weeks of gestation, inclusive. - Had at least one prenatal visit during which pregnancy was confirmed. - Is in good health, as determined by vital signs (heart rate 100 beats per minute; blood pressure: systolic 140 mm Hg; diastolic less than or equal to 90 mm Hg; oral temperature less than 100 degrees Fahrenheit), medical history to ensure any existing medical diagnoses or conditions are stable and not considered clinically significant, and targeted physical examination based on medical history. A stable medical condition is defined as health outcomes of the specific disease are considered to be within acceptable limits in the last 3 months. - Able to understand and comply with planned study procedures. - Provides written informed consent prior to initiation of any study procedures. - Agrees to sign medical release for herself and her infant(s) to allow study staff to gather pregnancy outcome data, if needed per clinical site policy. Exclusion Criteria: - Has a known allergy to eggs or other components in the vaccines (these may include, but are not limited to: gelatin, formaldehyde, octoxinol and chicken protein). - Has a history of severe reactions following previous immunization with influenza virus vaccines. - Has participated in a novel influenza H1N1 2009 vaccine study in the past 2 years or has history of novel influenza H1N1 2009 infection prior to enrollment. - Has received any other live licensed vaccines within 4 weeks or inactivated licensed vaccines within 2 weeks prior to vaccination in this study prior to vaccination or plan receipt of such vaccines within 21 days following the last vaccination (except for seasonal inactivated influenza vaccine which may be received 2 weeks post either vaccination). Measles, mumps, and rubella vaccine and tetanus, diphtheria, and acellular pertussis vaccine are permitted post-partum. - Has received an experimental/investigational agent (vaccine, drug, biologic, device, blood product, or medication) within one month prior to vaccination in this study, or expects to receive another experimental/investigational agent during the study period (prior to the Day 201 follow-up call - 180 days after the second vaccination). - Has an acute illness and/or an oral temperature greater than or equal to 100.0 degrees Fahrenheit, within 72 hours of vaccination (This may result in a temporary delay of vaccination). - Has immunosuppression as a result of an underlying illness or treatment, or use of anti-cancer chemotherapy or radiation therapy within the preceding 36 months. - Has an active neoplastic disease (excluding non-melanoma skin cancer), a history of any hematologic malignancy, current bleeding disorder, or taking anticoagulants. - Long term use of glucocorticoids, including oral or parenteral, or high-dose inhaled steroids (>800 micrograms/day of beclomethasone dipropionate or equivalent) within the preceding 6 months (nasal and topical steroids are allowed) or has received betamethasone or dexamethasone to accelerate fetal lung maturity. - Has a history of receiving immunoglobulin or other blood product (with exception of Rhogam) within the 3 months prior to enrollment in this study. - Has a diagnosis of a current and uncontrolled major psychiatric disorder. - Has been hospitalized for psychiatric illness, history of suicide attempt, or confinement for danger to self or others, within the past 10 years. - The subject is receiving any of the following psychiatric drugs: aripiprazole, clozapine, ziprasidone, haloperidol, molindone, loxapine, thioridazine, thiothixene, pimozide, fluphenazine, risperidone, mesoridazine, quetiapine, trifluoperazine, trifluopromazine, chlorprothixene, chlorpromazine, perphenazine, olanzapine, carbamazepine, divalproex sodium, lithium carbonate or lithium citrate. Subjects who are receiving an antidepressant drug (not listed above) and are stable for at least 3 months prior to enrollment without decompensating are allowed enrollment into the study. - Known active human immunodeficiency virus (HIV), hepatitis B, or hepatitis C infection. - History of alcohol or drug abuse in the last 5 years. - Has a seizure disorder or is on an anti-seizure medication. - Has a history of Guillain-Barré Syndrome. - Plan to travel outside of North America in the time between the first vaccination and 42 days following the first vaccination. - Has an acute or chronic medical condition that, in the opinion of the investigator would render vaccination unsafe, or would interfere with the evaluation of responses (this includes, but is not limited to, known cardiac disease, chronic liver disease, significant renal disease, unstable or progressive neurological disorder, transplant recipients or uncontrolled diabetes, juvenile diabetes (Type I) or advanced diabetes with renal disease or eye disease, diabetes controlled by diet or insulin is acceptable.) - Has any condition that would, in the opinion of the site investigator, place the subject at an unacceptable risk of injury or render the subject unable to meet the requirements of the protocol. |
Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Investigator, Outcomes Assessor), Primary Purpose: Prevention
Country | Name | City | State |
---|---|---|---|
United States | Duke University Medical Center | Durham | North Carolina |
United States | Baylor College of Medicine - Department of Molecular Virology and Microbiology | Houston | Texas |
United States | Vanderbilt University | Nashville | Tennessee |
United States | Group Health Cooperative | Seattle | Washington |
United States | Saint Louis University - Center for Vaccine Development | St. Louis | Missouri |
Lead Sponsor | Collaborator |
---|---|
National Institute of Allergy and Infectious Diseases (NIAID) |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Number of Participants Reporting Solicited Subjective Local Reactions After First Vaccination | Participants maintained a memory aid to record daily the occurrence of local reactions of pain, tenderness and swelling for 8 days after vaccination (Day 0-7) based on their interference with daily activities. Participants are counted if they were reported as experiencing the symptom at any severity on any of the 8 days. | Within 8 days (Day 0-7) post first vaccination | Yes |
Primary | Number of Participants Reporting Solicited Subjective Local Reactions After Second Vaccination | Participants maintained a memory aid to record daily the occurrence of local reactions of pain, tenderness and swelling for 8 days after vaccination (Day 0-7) based on their interference with daily activities. Participants are counted if they were reported as experiencing the symptom at any severity on any of the 8 days. | Within 8 days (Day 0-7) post second vaccination | Yes |
Primary | Number of Participants Reporting Solicited Quantitative Local Reactions After First Vaccination | Participants maintained a memory aid to record daily the occurrence of local reactions of redness and swelling for 8 days after vaccination (Day 0-7). If the reaction was present, the maximum diameter was measured in millimeters (mm). Participants are counted if they reported experiencing the reaction with any measurement greater than 0 mm on any of the 8 days. | Within 8 days (Day 0-7) post first vaccination | Yes |
Primary | Number of Participants Reporting Solicited Quantitative Local Reactions After Second Vaccination | Participants maintained a memory aid to record daily the occurrence of local reactions of redness and swelling for 8 days after vaccination (Day 0-7). If the reaction was present, the maximum diameter was measured in millimeters (mm). Participants are counted if they reported experiencing the reaction with any measurement greater than 0 mm on any of the 8 days. | Within 8 days (Day 0-7) post second vaccination | Yes |
Primary | Number of Participants Reporting Solicited Subjective Systemic Reactions After First Vaccination | Participants maintained a memory aid to record daily the occurrence of systemic symptoms of feverishness, malaise, myalgia, headache, and nausea for 8 days after vaccination (Day 0-7) based on their interference with daily activities. Participants are counted if they reported experiencing the symptom at any severity on any of the 8 days. | Within 8 days (Day 0-7) post first vaccination | Yes |
Primary | Number of Participants Reporting Solicited Subjective Systemic Reactions After Second Vaccination | Participants maintained a memory aid to record daily the occurrence of systemic symptoms of feverishness, malaise, myalgia, headache, and nausea for 8 days after vaccination (Day 0-7) based on their interference with daily activities. Participants are counted if they reported experiencing the symptom at any severity on any of the 8 days. | Within 8 days (Day 0-7) post second vaccination | Yes |
Primary | Number of Participants Reporting Fever After First Vaccination | Participants were provided with a thermometer and a memory aid on which to record daily oral temperatures for 8 days after vaccination (Day 0-7). The protocol defined fever as oral temperature of 37.8 degrees Celsius or higher. Participants are counted as experiencing fever if they reported oral temperatures of 37.8 degrees Celsius or higher on any of the 8 days. | Within 8 days (Day 0-7) post first vaccination | Yes |
Primary | Number of Participants Reporting Fever After Second Vaccination | Participants were provided with a thermometer and a memory aid on which to record daily oral temperatures for 8 days after vaccination (Day 0-7). The protocol defined fever as oral temperature of 37.8 degrees Celsius or higher. Participants are counted as experiencing fever if they reported oral temperatures of 37.8 degrees Celsius or higher on any of the 8 days. | Within 8 days (Day 0-7) post second vaccination | Yes |
Primary | Number of Participants With 4-fold or Greater Serum Hemagglutination Inhibition (HAI) Antibody Titer Increases Against Influenza H1N1 2009 Virus Following a Single Dose of H1N1 Vaccine | Blood was collected from all participants prior to the initial vaccination as well as 21 days after the first vaccination for testing in the HAI assay with Influenza H1N1 2009 virus as the assay antigen. A participant met the threshold of a 4-fold rise in titer if the Day 0 titer was less than 1:10 (the assay's lowest level of detection) and the Day 21 post vaccination titer was 1:40 or greater, or the Day 0 titer was greater than or equal to 1:10 and the Day 21 post vaccination titer was an increase by 4-fold or more. | Day 0 prior to and Day 21 after the first vaccination | No |
Primary | Number of Participants With a Serum Hemagglutination Inhibition (HAI) Antibody Titer of 1:40 or Greater Against Influenza H1N1 2009 Virus Following a Single Dose of H1N1 Vaccine | Blood was collected from all participants at Day 21 post first vaccination for testing in the HAI assay with Influenza H1N1 2009 virus as the assay antigen. Each sample was tested at least twice according to standard operating procedures and the result of each replicate reported. A participant is counted if the geometric mean of the replicate values was 1:40 or greater. | Day 21 after the first vaccination | No |
Primary | Number of Participants Reporting Maternal Complications of Pregnancy, Labor and Delivery | Participants were contacted after delivery, and medical records reviewed, to collect complications experienced during pregnancy, labor and delivery. The data collection process followed a prospectively-defined list of complications reported for this outcome measure, some of which may have also been reported as serious adverse events if otherwise meeting those requirements. | At time of delivery | Yes |
Primary | Number of Participants Reporting Neonatal Complications | Participants were contacted after delivery, and medical records reviewed, to collect neonatal complications. The data collection process followed a prospectively-defined list of complications reported for this outcome measure, some of which may have also been reported as serious adverse events if otherwise meeting those requirements. | At time of delivery | Yes |
Primary | Number of Participants Reporting Vaccine-associated Serious Adverse Events (SAEs) | Serious adverse events included any untoward medical occurrence that resulted in death of the mother, fetus or infant; was life threatening to mother, fetus or infant; was a persistent/significant disability/incapacity; required in-patient hospitalization or prolongation thereof; was a congenital anomaly/birth defect in fetus or infant; or may have jeopardized the mother, fetus or infant, or required intervention to prevent one of the outcomes, or was described as Guillain-Barré Syndrome. Association was determined by a clinician licensed to diagnose and listed on the site's FDA Form 1572. | Day 0 through Day 180 after last vaccination | Yes |
Secondary | Number of Participants With a Serum Hemagglutination Inhibition Assay (HAI) Antibody Titer Greater Than or Equal to 40 Against the Novel Influenza H1N1 2009 Virus in the Maternal Blood at the Time of Delivery | Blood was collected from participants at the time of delivery for testing in the HAI assay with Influenza H1N1 2009 virus as the assay antigen. Each sample was tested at least twice according to standard operating procedures and the result of each replicate reported. A participant is counted if the geometric mean of the replicate values was 1:40 or greater. | At time of delivery | No |
Secondary | Number of Participants With a Serum Hemagglutination Inhibition Assay (HAI) Antibody Titer Greater Than or Equal to 40 Against the Novel Influenza H1N1 2009 Virus in Cord Blood | Cord blood was collected at the time of delivery for testing in the HAI assay with Influenza H1N1 2009 virus as the assay antigen. Each sample was tested at least twice according to standard operating procedures and the result of each replicate reported. A participant is counted if the geometric mean of the replicate values was 1:40 or greater. | At time of delivery | No |
Secondary | Number of Participants With 4-fold or Greater Serum Hemagglutination Inhibition (HAI) Antibody Titer Increases Against Influenza H1N1 2009 Virus Following 2 Doses of H1N1 Vaccine | Blood was collected from all participants prior to the initial vaccination as well as 21 days after the second vaccination for testing in the HAI assay with Influenza H1N1 2009 virus as the assay antigen. A participant met the threshold of a 4-fold rise in titer if the Day 0 titer was less than 1:10 (the assay's lowest level of detection) and the Day 21 post vaccination 2 titer was 1:40 or greater, or the Day 0 titer was greater than or equal to 1:10 and the Day 21 post vaccination 2 titer was an increase by 4-fold or more. | Day 0 prior to first vaccination and Day 21 after the second vaccination | No |
Secondary | Number of Participants With a Serum Hemagglutination Inhibition (HAI) Antibody Titer of 1:40 or Greater Against Influenza H1N1 2009 Virus Following 2 Doses of H1N1 Vaccine | Blood was collected from all participants at Day 21 post second vaccination for testing in the HAI assay with Influenza H1N1 2009 virus as the assay antigen. Each sample was tested at least twice according to standard operating procedures and the result of each replicate reported. A participant is counted if the geometric mean of the replicate values was 1:40 or greater. | Day 21 after the second vaccination | No |
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