EUCTR2017-000952-24-GB进行中（未招募）1 期
Assessment of viral shedding in children previously in receipt of multiple doses of live attenuated influenza vaccine (LAIV) compared to influenza vaccine-naïve controls - Flu-shed
适应症
相关药物
试验速览
- 阶段
- 1 期
- 状态
- 进行中（未招募）
- 入组人数
- 362
研究概览
简要总结
暂无简介。
研究设计
- 研究类型
- Interventional clinical trial of medicinal product
入排标准
入选标准
- •Children may only be included in the study if all the inclusion criteria are met:
- •Children age 6 to 13 years of age on enrolment and with either:
- •oPrior LAIV vaccination (at least 2 doses) over the previous 3 years
- •oNever received LAIV or IIV in previous years
- •Children eligible to receive LAIV in accordance with Green Book advice [https://www.gov.uk/government/organisations/public-health-england/series/immunisation-against-infectious-disease-the-green-book]
- •Written informed consent given by parent/ guardian and assent from child (both must be in place to proceed)
- •Are the trial subjects under 18? yes
- •Number of subjects for this age range: 400
- •F.1.2 Adults (18-64 years) no
- •F.1.2.1 Number of subjects for this age range 0
- •F.1.3 Elderly (>=65 years) no
- •F.1.3.1 Number of subjects for this age range 0
排除标准
- •Children may not be included in the study if any of the following apply:
- •1.Contraindications to LAIV (notwithstanding allergy to egg protein), which include:
- •a.Hypersensitivity to the active ingredients, gelatin or gentamicin (a possible trace residue)
- •b.Previous systemic allergic reaction to LAIV
- •c.Previous allergic reaction to an influenza vaccine (not LAIV) is a relative contra-indication, which must be discussed with the CI to confirm patient suitability
- •d.Children/adolescents who are clinically immunodeficient due to conditions or immunosuppressive therapy such as: acute and chronic leukaemias; lymphoma; symptomatic HIV infection; cellular immune deficiencies; and high-dose corticosteroids*.
- •*High-dose steroids is defined as a treatment course for at least one month, equivalent to a dose greater than 20mg prednisolone per day (any age), or for children under 20kg, a dose greater than 1mg/kg/day.
- •NB: LAIV is not contraindicated for use in individuals with asymptomatic HIV infection; or individuals who are receiving topical/inhaled/low-dose oral systemic corticosteroids or those receiving corticosteroids as replacement therapy, e.g. for adrenal insufficiency.
- •e.Children / adolescents younger than 18 years of age receiving salicylate therapy because of the association of Reye's syndrome with salicylates and wild-type influenza infection.
- •f.Pregnancy
- •2.Contraindications to vaccination on that occasion, e.g. due to child being acutely unwell:
- •a.Febrile =38.0oC in last 48 hours
- •b.**Acute wheeze in last 72 hours requiring treatment beyond that normally prescribed for regular use by the child’s treating healthcare professional
- •c.**Recent admission to hospital in last 2 weeks for acute asthma
- •d.**Current oral steroid for asthma exacerbation or course completed within last 2 weeks
- •e.Any other significant condition or circumstance which, in the opinion of the investigator, may either put the participant at risk because of participation in the study, or may influence the result of the study, or the participant’s ability to participate in the study.
- •**Items 3b-3d are relative contra-indications: Many children with difficult-to-control” symptoms fail to meet these criteria on a routine basis. Where these are present, the CI is able to authorise participation on a case-by-case basis, after assessing the child at the time of enrolment.
- •Administration of another live vaccine (e.g. MMR) within the previous 4 weeks is no longer a contra-indication to LAIV administration, according to updated DoH guidelines.
- •NB: See Summary of Product Characteristics for full details of contra-indications to LAIV
研究者
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