| Eligibility |
Inclusion Criteria:
1. Subject is a male or female aged 18 to 65 years inclusive with a body mass index at
time of screening between 18 and 32 kg/m2.
2. Subject is in good health, as determined by the investigator, as documented by the
medical history, physical examination, vital sign assessment, 12-lead
electrocardiogram (ECG), clinical laboratory assessments, and general observations.
1. Abnormalities or deviations outside the normal ranges for any clinical
assessments (laboratory tests, ECG, vital signs) may be repeated once during the
screening period at the discretion of the Investigator(s), and results that
continue to be outside the normal ranges must be judged by the investigator to be
not clinically significant and acceptable for study participation.
2. At Screening, ALT, AST, and total bilirubin values must be = 1.5 times the upper
limit of normal (ULN).
3. All other laboratory test results that are outside the normal range at Screening
and judged by the investigator to be not clinically significant, may be repeated.
Results that continue to be outside the normal range must be judged by the
investigator to be not clinically significant and acceptable for study
participation.
3. Male and female
1. Female subjects of childbearing potential who are not pregnant as confirmed by a
negative serum pregnancy test at Screening and urine pregnancy test on Day -1 of
Period 1, non-lactating, using effective methods of contraception for a minimum
of one complete menstrual cycle prior to the Screening visit and agree to
continue using until 30 days after the last dose of study drug. Effective methods
of birth control include: Hormonal methods of contraception including oral
contraceptives containing combined estrogen and progesterone, a vaginal ring,
injectable and implantable hormonal contraceptives, intrauterine
hormone-releasing system (eg, Mirena) and progestogen-only hormonal contraception
associated with inhibition of ovulation, nonhormonal intrauterine device (IUD),
bilateral tubal occlusion, or vasectomized partner, if that partner is the sole
sexual partner.
2. Female subjects of non-childbearing potential must be surgically sterile (e.g.,
hysterectomy, bilateral tubal ligation, bilateral salphingectomy and/or bilateral
oophorectomy) or post-menopausal (no menses for >1 year with follicle stimulating
hormone [FSH] in the post-menopausal range at screening, based on the central
laboratory's range).
3. Female subject must not donate eggs during the study and for at least 30 days
after the last dose of study drug.
4. Male subjects who have not had a vasectomy must agree to use an effective method
of contraception (condom with spermicide) during the study and until 90 days
after the last dose of the study drug, and to not donate sperm during the study
and for at least 90 days after the last dose of study drug.
4. Subject is willing to remain in the study facility for the duration of the confinement
periods.
5. Subject is able to communicate with the investigator and is willing to comply with the
requirements of the entire study.
6. Subject understands and signs the informed consent form.
Exclusion Criteria:
1. History or presence of clinically significant (CS) cardiovascular, pulmonary, hepatic,
renal, hematological, gastrointestinal, endocrine, immunologic, dermatologic,
neurological, psychiatric, or other major disease, as determined by the Investigator.
2. Any surgical or medical condition that could interfere with the absorption,
distribution, metabolism, or excretion of the drug.
3. History of severe allergic or anaphylactic reactions.
4. Presence of hepatitis B surface antigen (HBsAg), positive hepatitis C virus antibody
(HCV), or positive human immunodeficiency virus (HIV) test result at Screening.
5. A positive result on SARS-CoV-2 (COVID-19) tests assessed by rapid antigen testing
(RAT) at Day -1 of Period 1.
6. History of alcohol abuse or illicit drug use within 1 year of Screening or consumption
of alcohol greater than 21 units per week. A unit of alcohol is equivalent to 1 can of
beer, 1 glass of wine, or the equivalent of 1 alcoholic drink.
7. A positive urine drug or breath alcohol test result at Screening or Day -1 of Period
1.
8. Smoking and the use of nicotine-containing products (including nicotine patches, gum,
inhalers, and e-cigarettes) within 6 months of the Screening visit or positive urine
cotinine tests at Screening or Day -1 of Period 1) and inability to refrain from
nicotine from Screening until the end of the study.
9. Standard donation of blood or blood products within 30 days of Day-1 of Period 1 .
10. Use of any investigational drug within 30 days of Day-1 of Period 1 .
11. Participants previously dosed in any pirfenidone clinical study.
12. Use of CYP1A2 inhibitors (e.g., enoxacin, ciprofloxacin) or CYP1A2 inducers within 14
days prior to screening and for the duration of the study.
13. Participants who have received fluvoxamine therapy within 28 days before screening.
14. Need for concomitant prescription medications, except for birth control and hormone
replacement therapy, starting 14 days or 5 half-lives before dosing (Day 1 of Period
1), whichever is longer, through the completion of all study procedures, or subject
needs an over the counter (OTC) medication including other herbal supplements or
multivitamins, starting 7 days before dosing (Day 1 of Period 1) through the
completion of all study procedures. Up to 2 grams per day of acetaminophen is allowed
at the discretion of the PI.
15. Regular caffeine consumption of greater than 300 mg/day. Inability to restrict
consumption of caffeine to less than 300 mg/day (2 standard cups brewed coffee) during
the study.
16. Seated blood pressure was less than 90/40 mmHg or greater than 140/90 mmHg at
screening. (After being seated for at least 5 minutes). Measurements can be repeated
once to determine eligibility.
17. Heart rate was less than 40 bpm or great than 99 bpm at screening. (After being seated
for at least 5 minutes). Measurements can be repeated once to determine eligibility.
18. Participants with calculated creatinine clearance rate less than (<) 60 milliliters
per min (mL/min) (calculated using the CKD-EPI equation) at screening.
19. Any clinically significant ECG abnormality at screening (as deemed by the Investigator
and the Sponsor's Medical Monitor).
20. QTcF interval > 450 msec (the average value for the triplicate ECG at Screening and
Day -1 of Period 1), or history of prolonged QT syndrome.
21. Other unspecified reasons that, in the opinion of the PI or Sponsor, make the subject
unsuitable for enrollment.
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