A Phase III, Randomized, Double-Blind, Placebo Controlled Trial to Evaluate the Efficacy and Safety of Nitazoxanide in the Treatment of Uncomplicated Influenza



Status:Recruiting
Conditions:Influenza
Therapuetic Areas:Immunology / Infectious Diseases
Healthy:No
Age Range:12 - Any
Updated:1/20/2019
Start Date:January 17, 2018
End Date:April 1, 2019
Contact:Stefan Comhaire
Email:stefan.comhaire@romark.com
Phone:813-282-8544

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Trial to evaluate efficacy and safety of nitazoxanide (NTZ) in the treatment of uncomplicated
influenza.

A multicenter, randomized, double-blind, placebo controlled trial to evaluate efficacy and
safety of nitazoxanide (NTZ) in the treatment of uncomplicated influenza.

Inclusion Criteria:

1. Male and female subjects at least 12 years of age

2. Presence of clinical signs and/or symptoms consistent with an acute illness compatible
with influenza infection (each of the following is required):

1. oral temperature ≥99.4°F or ≥37.4°C (obtained in office or self- measured within
12 hours prior to screening - if self-measured, subjects must also have taken an
antipyretic within 4 hours prior to screening), AND

2. at least one of the following respiratory symptoms (cough, sore throat, nasal
obstruction), AND

3. one of the following constitutional symptoms (fatigue, headache, myalgia,
feverishness).

3. Confirmation of influenza A or B infection in the local community by one of the
following means:

1. the institution's local laboratory,

2. the local public health system,

3. the national public health system, OR

4. a laboratory of a recognized national or multinational influenza surveillance
scheme.

4. Onset of illness no more than 40 hours before enrollment in the trial.

Note: Time of onset of illness is defined as either the earlier of:

1. the time when the temperature was first measured as elevated, OR

2. the time when the subject experienced the presence of at least one respiratory
symptom AND the presence of at least one constitutional symptom.

5. Willing and able to provide written informed consent (including assent by legal
guardian if under 18 years of age) and comply with the requirements of the protocol,
including completion of the patient diary.

Exclusion Criteria:

1. Severity of illness requiring or anticipated to require in-hospital care.

2. Moderate or severe persistent asthma.

3. Cystic fibrosis in children.

4. Stage III or IV (severe or very severe) chronic obstructive pulmonary disease (COPD).

5. Class III or IV congestive heart failure (at least marked limitation of physical
activity in which minimal ordinary activity results in fatigue, palpitation, dyspnea,
or angina pain)

6. Arrhythmia

7. Immunosuppressive disorders or who are receiving immunosuppressive therapy (e.g., for
organ or bone marrow transplants)

8. Untreated HIV infection or treated HIV infection with a CD4 count below 350 cells/mm3
in the last 6 months

9. Persons with sickle cell anemia or other hemoglobinopathies

10. Poorly controlled insulin-dependent diabetes mellitus (HBA1C > 8%)

11. Residents of any age of nursing homes or other long-term care institutions

12. Concurrent infection at the screening examination that requires systemic antimicrobial
therapy.

13. Females of childbearing potential who are either pregnant, breast-feeding or are
sexually active without the use of birth control. Female subjects of child-bearing
potential that are sexually active must have a negative baseline pregnancy test and
must agree to continue an acceptable method of birth control for the duration of the
study and for 1 month post- treatment. A double barrier method, oral birth control
pills administered for at least 2 monthly cycles prior to study drug administration,
an IUD, or medroxyprogesterone acetate administered intramuscularly for a minimum of
one month prior to study drug administration are acceptable methods of birth control
for inclusion into the study. Female subjects are considered of childbearing potential
unless they are postmenopausal (absence of menstrual bleeding for 1 year - or 6 months
if laboratory confirmation of hormonal status), or have had a hysterectomy, bilateral
tubular ligation or bilateral oophorectomy.

14. Receipt of any dose of NTZ, oseltamivir, zanamivir, peramivir, laninamivir, baloxavir,
amantadine or rimantadine within 3 days prior to screening.

15. Prior treatment with any investigational drug therapy within 30 days prior to
screening.

16. Subjects with active respiratory allergies or subjects expected to require
anti-allergy medications during the study period for respiratory allergies.

17. Known sensitivity to NTZ or any of the excipients comprising the NTZ tablets.

18. Subjects unable to take oral medications.

19. Presence of any pre-existing illness that, in the opinion of the Investigator, would
place the subject at an unreasonably increased risk through participation in this
study.

20. Subjects who, in the judgment of the Investigator, will be unlikely to comply with the
requirements of this protocol.
We found this trial at
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Orlando, Florida 32819
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Alabaster, Alabama 35007
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Anaheim, California 92805
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Austin, Texas 78735
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Birmingham, Alabama 35235
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Brooklyn, New York 11229
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Carrollton, Texas 75010
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Cincinnati, Ohio 45215
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Columbus, Ohio 43214
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Dallas, Texas 75204
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Dayton, Ohio 45424
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Fort Worth, Texas 76107
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Goodyear, Arizona 85338
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Hoover, Alabama 35216
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Hot Springs, Arkansas 71913
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Houston, Texas 77058
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Jackson, Tennessee 38305
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Lauderdale Lakes, Florida 33319
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Medford, Oregon 97504
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Morayfield, Queensland
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New Orleans, Louisiana 70115
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Pelham, Alabama 35124
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Pharr, Texas 78577
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Plano, Texas 75024
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Rapid City, South Dakota 57702
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Saint George, Utah 84790
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Saint Louis, Missouri 63141
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Smyrna, Tennessee 37167
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Tolleson, Arizona 85353
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Valparaiso, Indiana 46383
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Westminster, California 92683
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