Skip to content

Randomised, Double-blinded, Placebo-controlled Clinical Trial of Pandemic Influenza Inactive Vaccine on Healthy Subjects

Randomised, Double-blinded, Placebo-controlled Clinical Trial of Pandemic Influenza Inactive Vaccine on Healthy Subjects

Status
Active, not recruiting
Phases
Phase 1
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN53344556
Enrollment
120
Registered
2006-08-17
Start date
2005-12-20
Completion date
Unknown
Last updated
2019-05-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Pandemic influenza Infections and Infestations Pandemic influenza

Interventions

The trial is divided into four dosage groups and processed from low dosage vaccine to high dosage vaccine: 1. Group A: 30 subjects will be randomly injected with vaccines among which

Sponsors

Sinovac Biotech Co. Ltd (China)
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Males and females, aged from 18 to 60 years old 2. Able to provide proof of identity to the satisfaction of the study clinician completing the enrolment process 3. Able and willing to complete the informed consent process

Exclusion criteria

Exclusion criteria: 1. Women who are breast-feeding or planning to become pregnant during the following 210 days of study participation 2. Subjects who engage in the occupations of culturist, slaughter, sale and forwarder of any avian organisms 3. Subject has a medical history of any of the following: a. allergic history, or allergic to any ingredient of vaccine, such as egg, egg protein etc. b. serious adverse reactions to vaccines such as anaphylaxis, hives, respiratory difficulty, angioedema, or abdominal pain c. autoimmune disease or immunodeficiency d. asthma that is unstable or required emergency care, urgent care, hospitalisation or intubation during the past two years or that requires the use of oral or intravenous corticosteroids e. diabetes mellitus (type I or II), with the exception of gestational diabetes f. history of thyroidectomy or thyroid disease that required medication within the past 12 months g. serious angioedema episodes within the previous three years or requiring medication in the previous two years h. bleeding disorder diagnosed by a doctor (e.g. factor deficiency, coagulopathy, or platelet disorder requiring special precautions) or significant bruising or bleeding difficulties with Intramuscular (IM) injections or blood draws i. malignancy that is active 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 j. seizure disorder other than febrile seizures under the age of two, seizures secondary to alcohol withdrawal more than three years ago, or a singular seizure not requiring treatment within the last three years k. asplenia, functional asplenia or any condition resulting in the absence or removal of the spleen l. Guillain-Barre Syndrome (GBS) 4. The abnormal result of laboratory tests as below: a. biochemistry assaying: Alanine Aminotransferase (ALT)/Serum Glutamate Pyruvate Transaminase, Total Bilirubine (TBIL), Direct Bilirubine (DBIL), Blood Urea Nitrogen (BUN) and Creatinine (Cr) b. Routine blood assaying, routine urine assaying c. Hepatitis B surface Antigen (HBsAg) positive d. pregnancy test positive 5. Subject has received any of the following substances: a. 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) b. blood products within three months prior to initial study vaccine administration c. other study drug within 30 days prior to initial study vaccine administration d. live attenuated vaccines within 30 days prior to initial study vaccine administration e. medically indicated subunit or killed vaccines, e.g. pneuomococcal, or allergy treatment with antigen injections, within 14 days of study vaccine administration f. current anti-tuberculosis prophylaxis or therapy 6. Fever before vaccination, axillary temperature 37.0°C 7. Psychiatric condition that precludes compliance wit

Design outcomes

Primary

MeasureTime frame
To evaluate the safety of pandemic inactivated influenza vaccine by different doses.

Secondary

MeasureTime frame
To evaluate the immunogenicity of pandemic inactivated influenza vaccine by different doses.

Countries

China

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026