A Clinical Trial of Split-virion Influenza A/H1N1 Vaccines

An Open-Label Clinical Trial With Split-virion Influenza A/H1N1 Vaccines in Healthy Elders

A single center, Open-Label phase IV clinical trial is to be conducted in healthy elders (equal to or more than 61 years to evaluate the immunogenicity and safety of Sinovac's 15μg H1N1 influenza A Vaccine (Split virion), Inactivated.

Study Overview

• Status: Completed
• Conditions: Influenza
• Intervention / Treatment: Biological: H1N1 influenza A Vaccine (Split virion), Inactivated

• Study Type: Interventional
• Enrollment (Actual): 100
• Phase: Phase 4

Contacts and Locations

Study Locations

• China
  • Beijing, China, 100013
    • Beijing Centers for Diseases Control and Prevention

Participation Criteria

Eligibility Criteria

• Ages Eligible for Study: 60 years and older (Adult, Older Adult)
• Accepts Healthy Volunteers: Yes
• Genders Eligible for Study: All

Description

Inclusion Criteria:

1. Healthy male or female aged 60 and older
2. Be able to show legal identity card for the sake of recruitment
3. Volunteers are able to understand and sign the informed consent

Exclusion Criteria:

1. Cases, cured cases and close contact of influenza A (H1N1) virus
2. Women of pregnancy, lactation or about to be pregnant in 60 days
3. Subject that has a medical history of any of the following: allergic history, or allergic to any ingredient of vaccine, such as egg, egg protein, etc
4. Serious adverse reactions to vaccines such as anaphylaxis, hives, respiratory difficulty, angioedema, or abdominal pain
5. Autoimmune disease or immunodeficiency
6. Asthma that is unstable or required emergent care, hospitalization or intubation during the past two years or that required the use of oral or intravenous corticosteroids
7. Diabetes mellitus (type I or II), with the exception of gestational diabetes
8. History of thyroidectomy or thyroid disease that required medication within the past 12 months
9. Serious angioedema episodes within the previous 3 years or requiring medication in the previous two years
10. Bleeding disorder diagnosed by a doctor (e.g. factor deficiency, coagulopathy, or platelet disorder requiring special precautions) or significant bruising or bleeding difficulties with IM injections or blood draws
11. Active malignancy or treated malignancy for which there is not reasonable assurance of sustained cure or malignancy that is likely to recur during the period of study

12. Seizure disorder other than:

    • Febrile seizures under the age of two years old
    • Seizures secondary to alcohol withdrawal more than 3 years ago, or
    • A singular seizure not requiring treatment within the last 3 years
13. Asplenia, functional asplenia or any condition resulting in the absence or removal o the spleen
14. Guillain-Barre Syndrome
15. Any history of immunosuppressive medications or cytotoxic medications or inhaled corticosteroids within the past six months (with the exception of corticosteroid nasal spray for allergic rhinitis or topical corticosteroids for an acute uncomplicated dermatitis)
16. History of any blood products or seasonal influenza vaccine administration within 3 months before the dosing
17. Administration of any other investigational research agents within 30 days before the dosing
18. Administration of any live attenuated vaccine within 30 days before the dosing
19. Administration of subunit or inactivated vaccines, e.g., pneumococcal vaccine, or allergy treatment with antigen injections, within 14 days before the dosing
20. Be receiving anti-TB prophylaxis or therapy currently
21. Axillary temperature > 37.0 centigrade at the time of dosing

22. Psychiatric condition that precludes compliance with the protocol:

    • Past or present psychoses
    • Past or present bipolar disorder requiring therapy that has not been well controlled on medication for the past two years
    • Disorder requiring lithium
    • Suicidal ideation occurring within five years prior to enrollment
23. Any medical, psychiatric, social condition, occupational reason or other responsibility that, in the judgment of the investigator, is a contraindication to protocol participation or impairs a volunteer's ability to give informed consent

Study Plan

How is the study designed?

Design Details

• Primary Purpose: Prevention
• Allocation: N/A
• Interventional Model: Single Group Assignment
• Masking: None (Open Label)

Number of Arms

1

Arms and Interventions

Participant Group / Arm	Intervention / Treatment
Experimental: H1N1 influenza A Vaccine (Split virion), Inactivated; 15 μg H1N1 influenza A Vaccine (Split virion), Inactivated	Biological: H1N1 influenza A Vaccine (Split virion), Inactivated; 100 elders were assigned to receive one dose of 15μg H1N1 influenza A Vaccine (Split virion), Inactivated

What is the study measuring?

Primary Outcome Measures

Outcome Measure	Time Frame
Evaluate immunogenicity of split-virion influenza A （H1N1）vaccine in elders	Sep. 2009- Oct. 2009

Secondary Outcome Measures

Outcome Measure	Time Frame
Evaluate Safety of split-virion influenza A （H1N1）vaccine in elders	Sep. 2009- Oct. 2009

Collaborators and Investigators

• Sponsor: Sinovac Biotech Co., Ltd

Study record dates

Study Major Dates

• Study Start: September 1, 2009
• Primary Completion (Actual): October 1, 2009
• Study Completion (Actual): November 1, 2009

Study Registration Dates

• First Submitted: October 29, 2009
• First Submitted That Met QC Criteria: October 29, 2009
• First Posted (Estimate): October 30, 2009

Study Record Updates

• Last Update Posted (Estimate): March 15, 2013
• Last Update Submitted That Met QC Criteria: March 13, 2013
• Last Verified: March 1, 2013

More Information

Terms related to this study

• Additional Relevant MeSH Terms: RNA Virus Infections; Virus Diseases; Infections; Respiratory Tract Infections; Respiratory Tract Diseases; Orthomyxoviridae Infections; Influenza, Human
• Other Study ID Numbers: PRO-PanFlu-4001-1