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Follow-up Study to Investigate the Effect of GSK2245035 on Nasal Allergic Reactivity in Subjects Completing Treatment in Study TL7116958

NCT02446613 · Status: COMPLETED · Phase: PHASE2 · Type: INTERVENTIONAL · Enrollment: 16

Last updated 2018-04-04

Study results available
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Summary

This study will evaluate the duration of effect of GSK2245035 on allergic reactivity by repeating a nasal allergen challenge (NAC) approximately one year after treatment in subjects from TL7116958. This is a single centre, single period study in subjects with respiratory allergy/allergies who completed the study TL7116958 in 2014 to investigate the long term effect of previous treatment with GSK2245035 compared with placebo on total nasal symptoms elicited by nasal allergen challenge. Subjects and staff will remain blinded to the treatment received in the TL7116958 study (GSK2245035 or placebo). The study will consist of a screening visit to assess eligibility criteria, a study period consisting of a single visit when the nasal allergen challenge will be performed, and follow up by phone or a clinic visit at the discretion of the investigator 4-7 days following the allergen challenge. Eligible subjects will participate in this study for approximately70 days total from screening to follow up.

Conditions

  • Asthma and Rhinitis

Interventions

OTHER

Pollen allergen extract

Pollen (tree, grass or ragweed) allergen extracts will be provided by the research unit and diluted as required in normal saline. The specific pollen allergen extract that will be used for the nasal allergen challenge will be selected according to each subject's individual allergic sensitivity demonstrated in the previous study, TL7116958. If possible, extracts remaining from this study in 2014 will be used, provided they have not reached their expiry date.

Sponsors & Collaborators

Principal Investigators

  • GSK Clinical Trials · GlaxoSmithKline

Study Design

Allocation
NA
Purpose
TREATMENT
Masking
SINGLE
Model
SINGLE_GROUP

Eligibility

Min Age
18 Years
Max Age
65 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2015-06-22
Primary Completion
2015-08-10
Completion
2015-08-10

Countries

  • Canada

Study Locations

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Entities

Companies

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT02446613 on ClinicalTrials.gov