Eligibility Module
The Eligibility Module contains detailed information about who can participate in the clinical trial. This includes eligibility criteria, age restrictions, gender requirements, healthy volunteer status, and study population descriptions, helping researchers understand who is eligible to participate in the study.
Eligibility Module path is as follows:
Study -> Protocol Section -> Eligibility Module
Eligibility Module
Ignite Creation Date:
2025-12-24 @ 7:34 PM
Ignite Modification Date:
2025-12-24 @ 7:34 PM
NCT ID:
NCT02348203
Eligibility Criteria:
Inclusion Criteria:
* Current tobacco smokers with \>= 20 pack years of self-reported smoking exposure and an average use of \>= 10 cigarettes/day
* Karnofsky \>= 70%
* Leukocytes \>= 3,000/microliter
* Absolute neutrophil count \>= 1,500/microliter
* Hematocrit \>= the lower institutional limit
* Platelets \>= the lower institutional limits
* Total bilirubin within normal institutional limits
* Aspartate aminotransferase (AST) (serum glutamic oxaloacetic transaminase \[SGOT\])/alanine aminotransferase (ALT) (serum glutamate pyruvate transaminase \[SGPT\]) within normal institutional limits
* Creatinine =\< the upper institutional limits
* Prothrombin time (PT)/partial thromboplastin time (PTT) within normal institutional limits
* Fertile subjects must use adequate contraception (abstinence, barrier methods, or birth control pills) prior to study entry and for the duration of study participation; women of child-bearing potential and men must agree to use adequate contraception (hormonal or barrier method of birth control; abstinence) prior to study entry and for the duration of study participation; should a woman become pregnant or suspect she is pregnant while participating in this study, she should inform her study physician immediately
* Participants may have a history of indeterminate pulmonary nodule(s) by chest imaging if nodule follow-up has been completed or the study procedures would not interfere with nodule follow-up
* Ability to understand and the willingness to sign a written informed consent document
Exclusion Criteria:
* History of allergic reaction to aspirin or attributed to compounds of similar chemical or biologic composition to aspirin, including other nonsteroidal anti-inflammatory drugs (NSAIDs)
* Gastric intolerance attributable to ASA or NSAIDs
* History of gastric ulcer within the past 5 years (with or without bleeding)
* Use of ASA or NSAIDs for more than 5 days per month within 3 months of enrollment
* Not willing or are unable to refrain from use of any non-study ASA, NSAIDs and leukotriene antagonists during the study period
* Adult asthma
* Chronic, current or recent (within the past three months) use of leukotriene antagonists
* Require chronic anticoagulation or anti-platelet therapy
* History of bleeding disorder or hemorrhagic stroke
* Chronic, current or recent (within the past three months) use of glucocorticoids (systemic, topical and/or nasal sprays or steroid topical creams to large body surface area); use of steroid topical creams for small body areas (=\< 10% body surface) during study intervention is allowed
* History of chronic sinusitis or recent nasal polyps
* History of, or current, active or chronic liver disease even if transaminases have normalized
* History of allergic reaction to zileuton or attributed to compounds of similar chemical or biologic composition to zileuton
* Are taking drugs known to interact with zileuton, including theophylline, warfarin, and propranolol
* Not willing or are unable to limit alcohol consumption to =\< 2 alcoholic beverages a day during the study period
* Pregnant or lactating women; breastfeeding should be discontinued if the mother is treated with aspirin; should a woman become pregnant or suspect she is pregnant while participating in this study, she should inform her study physician immediately
* Participants may not be receiving any other investigational agents
* Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements
* Have a known history of inability to absorb an oral agent
* Invasive cancer within the past five years except non-melanoma skin cancer
* Urine cotinine level, if collected at screening, does not confirm active smoking status
Healthy Volunteers:
True
Sex:
ALL
Minimum Age:
18 Years
Study:
NCT02348203
Study Brief:
Protocol Section:
NCT02348203