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Novel Influenza A/H1N1 Split- Virion Vaccine in Healthy Children Aged 6 to 35 Month

C

Centers for Disease Control and Prevention, China

Status and phase

Unknown
Phase 3

Conditions

Influenza
Swine-origin A/H1N1 Influenza

Treatments

Biological: 15ug H1N1 vaccine
Biological: 7.5ug H1N1 Influenza vaccine
Biological: seasonal influenza vaccine

Study type

Interventional

Funder types

Other

Identifiers

NCT01040078
20090601

Details and patient eligibility

About

The purpose of this study is to generate data on immunogenicity and safety of the monovalent H1N1 vaccine in support of the development and registration.

Enrollment

900 estimated patients

Sex

All

Ages

6 to 35 months old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

  • Male or female aged >= 6 months to =<35 months at the time of the first study vaccination. Born at full term of pregnancy (≥ 37 weeks) and with a birth weight ≥ 2.5 kg
  • Informed consent form has been signed and dated by the parent(s) or other legally acceptable representative Subject and parent/legal representative are able to attend all scheduled visits and to comply with all trial procedures

Exclusion criteria

  • Participation in another clinical trial investigating a vaccine, drug, medical device, or a medical procedure in the 4 weeks preceding the first trial vaccination
  • Planned participation in another clinical trial during the present trial period
  • Receipt of any vaccine in the 4 weeks preceding the first trial vaccination
  • Planned receipt of any vaccine prior to the Day 42 blood sample
  • Receipt of blood or blood-derived products in the past 3 months which might interfere with the assessment of immune response
  • Known or suspected congenital or acquired immunodeficiency, immunosuppressive therapy such as anti-cancer chemotherapy or radiation therapy within the preceding 6 months, or long-term systemic corticosteroid therapy (prednisone or equivalent for more than 2 consecutive weeks within the past 3 months)
  • Known systemic hypersensitivity to any of the vaccine components, or history of a life-threatening reaction to the vaccine(s) used in the trial or to a vaccine containing any of the same substances
  • Thrombocytopenia contraindicating intramuscular (IM) vaccination as reported by parents/legal representative
  • Bleeding disorder or receipt of anticoagulants in the 3 weeks preceding inclusion contraindicating IM vaccination
  • Chronic illness that in the opinion of the Investigator is at a stage where it might interfere with trial conduct or completion
  • Family members of the employees or the Investigator
  • Previous participation in a trial investigating a vaccine with the swine-origin A/H1N1 influenza strain
  • Confirmed infection with the novel influenza A/H1N1 strain
  • Febrile illness (temperature ≥ 38.0°C) or moderate or severe acute illness/infection on the day of vaccination, according to Investigator judgment

Trial design

Primary purpose

Prevention

Allocation

Randomized

Interventional model

Single Group Assignment

Masking

Double Blind

900 participants in 3 patient groups, including a placebo group

7.5ug H1N1 vaccine
Experimental group
Description:
360 subjects to receive two doses 7.5ug H1N1 influenza vaccine on Day 0 and Day 21.
Treatment:
Biological: 7.5ug H1N1 Influenza vaccine
15ug H1N1 vaccine
Experimental group
Description:
360 subjects to receive two doses 15ug H1N1 influenza vaccine on Day 0 and Day 21.
Treatment:
Biological: 15ug H1N1 vaccine
seasonal influenza vaccine
Placebo Comparator group
Description:
180 subjects to receive two doses seasonal influenza vaccine on Day 0 and Day 21.
Treatment:
Biological: seasonal influenza vaccine

Trial contacts and locations

3

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Data sourced from clinicaltrials.gov

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