Serologic Assay Validation, Proficiency Testing, Safety and Immunogenicity of Norovirus GI.1/GII.4 Bivalent Virus-Like Particle Vaccine

Phase 2

Completed

• Conditions: Norovirus; Healthy Participants
• Interventions: Biological: NoV GI.1/GII.4 Bivalent VLP Vaccine

• Registration Number: NCT02475278
• Lead Sponsor: Takeda

Brief Summary

The purpose of this study is to collect serum samples to evaluate serologic assays and to establish proficiency panels for serologic assays used for assessment of post vaccination immune response after intramuscular (IM) vaccination with Norovirus GI.1/GII.4 bivalent virus-like particle (VLP) vaccine.

Detailed Description

The vaccine being tested in this study is called Norovirus GI.1/GII.4 bivalent Virus-Like Particle Vaccine (NoV Vaccine). The purpose of this study is to collect serum samples to evaluate serologic assays and to establish proficiency panels for serologic assays used for assessment of post vaccination immune response after intramuscular (IM) vaccination with the NoV vaccine. The validation and proficiency testing of the immunogenicity assays is required to support the NoV Vaccine development program. This study also looked at side effects in people who were administered a single dose of the NoV vaccine.

The study enrolled 50 patients. All participants received one dose of the NoV vaccine via intramuscular injection.

Participants were asked to record any symptoms that may be related to the vaccine or the injection site in a diary card for 7 days after receiving the vaccination.

This single-centre trial was conducted in the United States. The overall time to participate in this study was 183 days. Participants made 4 visits to the clinic, and were contacted by telephone 183 days after last dose of study drug for a follow-up assessment.

Study Timeline

• Study First Submitted: 2015-02-24
• Study Start: 2015-02-26
• Primary Completion: 2015-04-07
• Study First Submitted QC: 2015-06-15
• Study First Posted: 2015-06-18
• Study Completion: 2015-09-09
• Results First Submitted: 2016-09-07
• Results First Submitted QC: 2016-09-07
• Results First Posted: 2016-10-28
• Status Verified: 2018-02
• Last Update Submitted: 2018-02-16
• Last Update Posted: 2018-02-22

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 50

Inclusion Criteria

1. Age 18 to 49 years, inclusive.
2. Is in good health at the time of entry into the trial as determined by medical history, physical examination (including vital signs) and clinical judgment of the investigator.
3. Signs and dates a written, informed consent form and any required privacy authorization prior to the initiation of any trial procedures, after the nature of the trial has been explained according to local regulatory requirements.
4. Can comply with trial procedures and are available for the duration of follow-up.
5. Body weight of ≥50kg (110lbs).
6. Body mass index (BMI) <35.

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Exclusion Criteria

1. Has a history of acute gastroenteritis (AGE) within 14 days of enrollment.

2. Has previously been exposed to an experimental Norovirus (NoV) Vaccine.

3. Has received any inactivated vaccines within 14 days or any live vaccines for 28 days prior to enrollment in this trial or who are planning to receive any vaccine within 28 days of investigational vaccine administration.

4. Has contraindications, warnings and/or precautions to vaccination with the NoV Vaccine as specified within the investigator brochure.

5. Has known hypersensitivity or allergy to any of the NoV Vaccine components (including excipients).

6. Has behavioral or cognitive impairment or psychiatric disease that, in the opinion of the investigator, may interfere with the participant's ability to participate in the trial.

7. Has any history of progressive or severe neurologic disorder, seizure disorder or neuro-inflammatory disease (e.g. Guillain-Barré syndrome).

8. Has history or any illness that, in the opinion of the investigator, might interfere with the results of the trial or pose additional risk to the participants due to participation in the trial.

9. Has known or suspected impairment/alteration of immune function, including:

   1. Chronic use of oral steroids (Equivalent to 20 mg/day prednisone ≥ 12 weeks / ≥ 2 mg/kg body weight / day prednisone ≥ 2 weeks) within 60 days prior to Day 1 (use of inhaled, intranasal, or topical corticosteroids is allowed).
   2. Receipt of parenteral steroids (Equivalent to 20 mg/day prednisone ≥ 12 weeks / ≥ 2 mg/kg body weight / day prednisone ≥ 2 weeks) within 60 days prior to Day 1.
   3. Administration of immunoglobulins and/or any blood products within the three months preceding the first administration of the investigational vaccine or planned administration during the trial (consider whether applicable as an exclusion criterion or criterion for delay).
   4. Receipt of immunostimulants within 60 days prior to Day 1.
   5. Receipt of parenteral, epidural or intra-articular immunoglobulin preparation, blood products, and/or plasma derivates within 3 months prior to Day 1 or planned during the full length of the trial.
   6. Human immunodeficiency virus (HIV) infection or HIV-related disease.
   7. Genetic immunodeficiency.

10. Has abnormalities of splenic or thymic function.

11. Has a known bleeding diathesis, or any condition that may be associated with a prolonged bleeding time.

12. Has any serious chronic or progressive disease according to judgment of the investigator (e.g. neoplasm, insulin dependent diabetes, cardiac, renal or hepatic disease).

13. Is participating in any clinical trial with another investigational product 30 days prior to first trial visit or intent to participate in another clinical trial at any time during the conduct of this trial.

14. Is involved in the trial conduct or their first degree relatives.

15. Has history of substance or alcohol abuse within the past 2 years.

16. Females who are pregnant or breastfeeding.

17. If female of childbearing potential, sexually active, and has not used any of the "acceptable contraceptive methods" for at least 2 months prior to trial entry:

    1. Of childbearing potential is defined as status post onset of menarche and not meeting any of the following conditions: menopausal for at least 2 years, status after bilateral tubal ligation for at least 1 year, status after bilateral oophorectomy, or status after hysterectomy.
    2. Acceptable birth control methods are defined as one or more of the following:

    i. Hormonal contraceptive (such as oral, injection, transdermal patch, implant, cervical ring).

    ii. Barrier (condom with spermicide or diaphragm with spermicide) each and every time during intercourse.

    iii. Intrauterine device (IUD). iv. Monogamous relationship with vasectomized partner. Partner must have been vasectomized for at least six months prior to the participants' trial entry.

18. If female of childbearing potential and sexually active, refusal to use an "acceptable contraceptive method" through to 6 months after receipt of investigational vaccine. In addition, they must be advised not to donate ova during this period.

19. Any positive or indeterminate pregnancy test.

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Study & Design

• Study Type: INTERVENTIONAL
• Study Design: SINGLE_GROUP

Arm && Interventions

Group	Intervention	Description
NoV Vaccine	NoV GI.1/GII.4 Bivalent VLP Vaccine	Norovirus GI.1/GII.4 bivalent Virus-Like Particle (VLP) vaccine (NoV Vaccine) (15 µg of GI.1 norovirus VLP and 50 µg GII.4 norovirus VLP, adjuvanted with 500 µg aluminum hydroxide), intramuscular (IM) injection, once on Day 1.

Primary Outcome Measures

Name	Time	Method
Number of Participants With Serum Samples Obtained on Day 8 for Assessment of Seropositivity for Both Anti-NoV GI.1 VLP and GII.4 VLP Antibodies	Day 8	Serum samples were obtained for assay validation of the pan-Ig enzyme-linked immuno-sorbent assay (ELISA) and the histoblood group antigen (HBGA) binding assay. The number of participants with assessments for both the GI.1 VLP and GII.4 VLP antibodies and by both the pan-Ig ELISA and the HBGA binding assay, and with values available at Baseline and Day 8 are reported.
Number of Participants With Serum Samples Obtained on Day 15 for Assessment of Seropositivity for Both Anti-NoV GI.1 VLP and GII.4 VLP Antibodies	Day 15	Serum samples were obtained to establish proficiency panels for the pan-Ig ELISA and the HBGA binding assay. The number of participants with assessments for both the GI.1 VLP and GII.4 VLP antibodies and by both the pan-Ig ELISA and the HBGA binding assay, and with values available at Baseline and Day 15 are reported.
Number of Participants With Serum Samples Obtained on Day 29 for Assessment of Seropositivity for Both Anti-NoV GI.1 VLP and GII.4 VLP Antibodies	Day 29	Serum samples were obtained to establish proficiency panels for the pan-Ig ELISA and the HBGA binding assay. The number of participants with assessments for both the GI.1 VLP and GII.4 VLP antibodies and by both the pan-Ig ELISA and the HBGA binding assay, and with values available at Baseline and Day 29 are reported.

Secondary Outcome Measures

Name	Time	Method
Percentage of Participants With Solicited Local (Injection Site) Adverse Events (AEs) by Maximum Severity	Days 1 through 7	Safety assessment included collection of solicited local AEs for 7 days following vaccination (including the day of vaccination) by using diary cards. Solicited local injection site AEs are defined as pain, erythema (redness), induration and swelling. Pain is summarized as either none or any, where 'any' will be broken down into the following severity categories: mild, moderate, severe. Erythema, swelling and induration are recorded as yes or no, where the definition of 'yes' is any area ≥2.5 cm; and 'yes' is further broken down into the following severity categories: ≥2.5 cm - ≤5.0 cm (mild intensity), \>5.0 cm - ≤ 10.0 cm (moderate intensity), \>10.0 cm severe intensity). Injection site AEs are presented as the percentage of participants experiencing a reaction, by reaction type, overall and by severity, using the participant's worst reported severity grade. Only categories for which there was at least 1 participant are reported.
Percentage of Participants With Solicited Systemic Adverse Events (AEs) by Maximum Severity	Days 1 through 7	Safety assessment included collection of solicited systemic AEs for 7 days following vaccination (including the day of vaccination) by using diary cards. Solicited systemic AEs are defined as headache, fatigue, myalgia, arthralgia, vomiting and diarrhea and are summarized as either none or any, where 'any' will be broken down into the following severity categories: mild, moderate, severe. Solicited systemic AEs are presented as the percentage of participants experiencing a solicited systemic AE, by AE, overall and by severity, using the participant's worst reported severity grade. Only categories for which there was at least 1 participant are reported.
Percentage of Participants With Elevated Daily Oral Temperature	Days 1 to 7 days after vaccination	Safety assessment included measurement of body temperature for 7 days following vaccination (including the day of vaccination) by using diary cards. Participants recorded the highest body temperature observed each day in a daily diary. The highest body temperature measurement per participant across Day 1 to Day 7 was categorized as fever present (≥100.4ºF, ≥38ºC) or fever absent (\<100.4ºF, \<38ºC).
Percentage of Participants With Unsolicited Adverse Events (AEs) by Maximum Severity	Days 1 through 28	An AE is defined as any untoward medical occurrence in a clinical investigation participant administered a drug; it does not necessarily have to have a causal relationship with this treatment. Unsolicited AEs are any AEs that are not solicited local or systemic AEs, as defined by this study. Unsolicited AEs are presented as the percentage of participants experiencing at least one AE, overall and by severity, using the participant's worst reported severity grade. Only categories for which there was at least 1 participant are reported.
Percentage of Participants Experiencing Serious Adverse Events	Day 1 up to Day 183	A serious adverse event (SAE) is any untoward medical occurrence or effect that at any dose results in death, is life-threatening, requires inpatient hospitalization or prolongation of existing hospitalization, results in persistent or significant disability / incapacity, is a congenital anomaly / birth defect or is medically important due to other reasons than the above mentioned criteria.

Trial Locations

Locations (1)

Benchmark Research Austin; 🇺🇸 Austin, Texas, United States