Influenza Virus Challenge Study to Test Monoclonal Antibody TCN-032 as a Treatment for Influenza
A Phase 2a, Double-Blind, Placebo-Controlled Study TCN 032 (Human Monoclonal Antibody Directed Against the M2 Protein of Influenza A Virus) in Subjects Challenged With H3N2 Influenza A Virus
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Study Type
Study Type
Enrollment (Anticipated)
Enrollment
Phase
Phase
- Phase 2
Contacts and Locations
Study Contact
Study Contact
- Name: Jennifer L. Mitcham
- Phone Number: 206-805-1608
- Email: jmitcham@theraclone-sciences.com
Study Contact Backup
- Name: Teri D. Koller
- Phone Number: 206-805-1635
- Email: tkoller@theraclone-sciences.com
Study Locations
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-
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London, United Kingdom
- Recruiting
-
-
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Age 18 to 45 years, inclusive.
- In good health with no history of major medical conditions
- Female subjects must not be pregnant or nursing
- Have not been vaccinated for influenza virus since 2006
- Serosusceptible to the challenge virus
- Non-smoker or current smoker willing/able to desist
Exclusion Criteria:
- Presence of any significant acute or chronic, uncontrolled medical or psychiatric illness
- History or evidence of autoimmune disease
- Any history during adulthood of asthma, history of COPD, pulmonary hypertension, reactive airway disease, any chronic lung condition of any etiology), or any use of a bronchodilator or other asthma medication within adulthood
- History or clinical evidence of recurrent lower respiratory tract infection
- Positive human immunodeficiency virus (HIV), hepatitis B (HBV), or hepatitis C (HCV) antibody screen
- Subject is diabetic
- History of frequent epistaxis (nose bleeds)
- Any nasal or sinus surgery within 6 months of the screening visit
- Recent and/or recurrent history of autonomic dysfunction (fainting, palpitations, etc.)
- Any laboratory test, ECG or spirometry which is abnormal and which is deemed by the Investigator(s) to be clinically significant.
- Any acute medical condition or significant past medical history of hepatic, renal, cardiovascular, pulmonary, gastrointestinal, haematological, locomotor, immunologic, ophthalmologic, metabolic, endocrine, or other diseases
- Major surgery within 3 months prior to screening visit
- Evidence of drug of abuse or positive urine Class A drug or alcohol screen prior to admission
- Subjects symptomatic with hay fever
- Subjects with a history of significant adverse reactions/allergies
- History of allergy or intolerance to oseltamivir or zanamivir.
- Health care workers (including doctors, nurses, medical students, and allied healthcare professionals) anticipated to have patient contact within 2 weeks of viral challenge.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: RANDOMIZED
- Interventional Model: PARALLEL
- Masking: QUADRUPLE
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
EXPERIMENTAL: TCN-032
single-dose, administered intravenously
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PLACEBO_COMPARATOR: Placebo (saline)
single-dose, administered intravenously
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What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
The primary objective is to evaluate the effect of TCN-032 compared to placebo in the development of clinical signs and symptoms of influenza (including upper respiratory, lower respiratory, systemic and fever).
Time Frame: 7 days
|
7 days
|
Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
The main secondary objective is to evaluate the effect of TCN-032 compared to placebo in total virus shedding (measured by area under the curve [AUC]) from the nasal mucosa, measured by viral culture.
Time Frame: 7 days
|
7 days
|
|
Pharmacokinetics (PK) and immunogenicity of TCN-032
Time Frame: up to 28 days after viral challenge
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up to 28 days after viral challenge
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Change in haemagglutination-inhibiting antibody (HAI) titre pre-challenge to Day 28.
Time Frame: 28 days after viral challenge
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28 days after viral challenge
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Development of viral resistance to TCN-032
Time Frame: up to 9 days after viral challenge
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up to 9 days after viral challenge
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To evaluate the safety of subjects who undergo influenza A viral challenge, with or without treatment with TCN-032.
Time Frame: up to 28 days after viral challenge
|
up to 28 days after viral challenge
|
|
The duration of influenza symptoms or pyrexia
Time Frame: up to 10 days
|
up to 10 days
|
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The time to peak of influenza symptoms or pyrexia
Time Frame: up to 10 days
|
up to 10 days
|
|
The daily incidence of influenza symptoms or pyrexia.
Time Frame: up to 10 days
|
up to 10 days
|
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The proportion of the components of the primary objective: upper respiratory symptoms, lower respiratory symptoms, systemic influenza symptoms, pyrexia.
Time Frame: 7 days
|
7 days
|
|
The duration of the components of the primary objective: upper respiratory symptoms, lower respiratory symptoms, systemic influenza symptoms, pyrexia.
Time Frame: 7 days
|
7 days
|
|
The time to peak of the components of the primary objective: upper respiratory symptoms, lower respiratory symptoms, systemic influenza symptoms, pyrexia.
Time Frame: 7 days
|
7 days
|
|
The daily incidence of the components of the primary objective: upper respiratory symptoms, lower respiratory symptoms, systemic influenza symptoms, pyrexia.
Time Frame: 7 days
|
7 days
|
|
The proportion of any grade influenza symptoms, or pyrexia
Time Frame: 7 days
|
7 days
|
|
The duration of any grade influenza symptoms, or pyrexia
Time Frame: 7 days
|
7 days
|
|
The time to peak of any grade influenza symptoms, or pyrexia
Time Frame: 7 days
|
7 days
|
|
The daily incidence of any grade influenza symptoms, or pyrexia
Time Frame: 7 days
|
7 days
|
|
The peak value of virus shedding from the nasal mucosa measured by viral culture
Time Frame: up to 9 days
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up to 9 days
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The time to peak of virus shedding from the nasal mucosa measured by viral culture
Time Frame: up to 9 days
|
up to 9 days
|
|
The duration of virus shedding from the nasal mucosa measured by viral culture
Time Frame: up to 9 days
|
up to 9 days
|
|
The daily incidence of virus shedding from the nasal mucosa measured by viral culture
Time Frame: up to 9 days
|
up to 9 days
|
|
The AUC of virus shedding from the nasal mucosa measured by qPCR
Time Frame: 6 days
|
6 days
|
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The peak value of virus shedding from the nasal mucosa measured by qPCR
Time Frame: 6 days
|
6 days
|
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The time to peak of virus shedding from the nasal mucosa measured by qPCR
Time Frame: 6 days
|
6 days
|
|
The duration of virus shedding from the nasal mucosa measured by qPCR
Time Frame: 6 days
|
6 days
|
|
The daily incidence of virus shedding from the nasal mucosa measured by qPCR
Time Frame: 6 days
|
6 days
|
|
Incidence of seroconversion to viral challenge strain
Time Frame: up to 28 days after viral challenge
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up to 28 days after viral challenge
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Incidence of seroprotection to viral challenge strain
Time Frame: up to 28 days after viral challenge
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up to 28 days after viral challenge
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Total tissue count and total mucus weight after viral inoculation
Time Frame: 7 days
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7 days
|
Collaborators and Investigators
Sponsor
Sponsor
Investigators
Investigators
- Study Director: Eleanor L Ramos, MD, Theraclone Sciences, Inc.
Publications and helpful links
Study record dates
Study Major Dates
Study Start
Study Start
Primary Completion (ANTICIPATED)
Primary Completion
Study Completion (ANTICIPATED)
Study Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (ESTIMATE)
First Posted
Study Record Updates
Last Update Posted (ESTIMATE)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
Other Study ID Numbers
- TCN-032-002
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