| Eligibility |
Inclusion Criteria:
1. Healthy male and female subjects between the ages of 18 and 55 years, inclusive, at
Screening.
2. Willing and able to provide written informed consent prior to participating in the
study.
3. Able to communicate clearly with the Investigator and staff; able to read, and
understand study procedures.
4. Able to complete all Screening period evaluations, stay in the clinical research
facility for the duration of the inpatient portion of the study, and attend scheduled
follow-up visits by videoconference or teleconference, and/or in-person as needed. In
the case of neutropenia, subject must be willing and able to return for follow-up
blood counts, including after EOS (Day 85) visit.
5. BMI between 18 and 32.49 kg/m2, inclusive, and body weight not less than 50 kg.
6. In good general health, free from clinically significant medical or psychiatric
illness or disease (as determined by medical/surgical history, physical examination,
weight, 12-lead ECG, and clinical laboratory tests).
7. Vital signs at Screening must be within the following ranges and stable (measured in
semi-reclined position after at least 5 minutes of rest):
- SBP =90 and =150 mmHg
- DBP =50 and =95 mmHg
- HR =45 and =100 beats per minute (bpm)
- Note: If vital signs are out of range, the Investigator may obtain one additional
reading, so that up to two consecutive assessments are made within 1 hour, and
with the volunteer semi-reclined quietly during the 5 minutes preceding the
assessment.
8. A 12-lead ECG consistent with normal cardiac conduction and function at Screening,
including: HR between 45 and 100 bpm; QTcF interval =460 ms; QRS interval <120 ms; PR
interval <220 ms; and morphology consistent with healthy cardiac conduction and
function.
9. Nonsmoker within the previous 6 months (before Screening), and does not use tobacco
containing, or nicotine-containing products (including, but not limited to,
cigarettes, pipes, cigars, chewing tobacco, e-cigarettes, nicotine patch, or nicotine
gum).
10. Has clinical chemistry, hematology, coagulation, and complete urinalysis (fasted for
at least 6 hours) results at Screening and at admission within the reference range for
the testing laboratory unless the out-of-range results are deemed not clinically
significant by the Investigator and the Sponsor.
11. Has adequate renal function at Screening and at admission as evidenced by creatinine
clearance = 90 mL/min by Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI)
estimation.
12. Has adequate hepatic function at Screening and at admission as evidenced by the
following: total bilirubin = upper limit of normal (ULN); aspartate aminotransferase
(AST) = ULN and alanine aminotransferase (ALT) = ULN.
13. Has a negative urine drug screen result at Screening and at admission.
14. Male subjects who are non-sterilized must agree to be sexually abstinent or use double
barrier contraception (e.g., condom and spermicide) for 3 months (90 days) after
receiving the study drug.
15. Male subjects must agree to not donate sperm from Screening and at least 3 months (90
days) after receiving the study drug.
16. Female subjects must be surgically sterilized, post-menopausal as defined by 1 year
with no menses or using an adequate means of birth control if pre-menopausal.
Exclusion Criteria:
1. Has a history of or current clinically significant medical illness including (but not
limited to) pulmonary, cardiovascular, renal, coagulation disorders, lipid
abnormalities, gastrointestinal, immunologic, endocrine, neurologic, psychiatric, or
thromboembolic disease, metabolic disturbances, or any other current physical
condition that the Investigator (or designee) considers should exclude the
participant, or that could interfere with the interpretation of the study results.
2. Has any clinically significant medical condition, physical examination finding, ECG
abnormality, or clinically significant abnormal value for clinical chemistry,
hematology, coagulation, or urinalysis at Screening or at admission to the study
center, as deemed appropriate by the Investigator (or designee).
3. History or presence of malignancy within the past 5 years, with the exception of
adequately treated localized skin cancer (basal cell or squamous cell carcinoma),
which is allowed.
4. Currently suffers from clinically significant systemic allergic disease, or has a
history of significant drug allergies, including but not limited to:
- A history of anaphylactic reaction
- Allergic reaction due to any drug that led to significant morbidity
- Known hypersensitivity to any component of the formulation of test article
(FL-101).
5. Has donated or intends to donate blood or blood products or has had an acute loss of
blood (>500 mL) during the 60 days before study drug administration (10 days for
plasma donation) or intends to donate blood or blood products within 2 months after
the completion of the study.
6. Has had an acute, clinically significant illness within 30 days prior to Day 1, or has
had a recent febrile illness with an abnormal body temperature within 72 hours prior
to admission.
7. Has a history within the past 24 months before Screening of drug abuse (defined as any
illicit drug use), or a history of alcohol abuse (defined as alcohol consumption
exceeding 14 units per week). One unit of alcohol equals 360 mL (12 oz.) of beer, 45
mL (1.5 oz.) of liquor, or 150 mL (5 oz.) of wine.
8. Has a positive test for drugs of abuse at Screening or alcohol 3 days prior to dosing
or is unwilling to abstain from alcohol and drugs of abuse throughout the study.
9. Has a smoking history during the past 6 months before Screening. This includes the use
of any nicotine-containing substances (e.g., nicotine patch or gum, chewing tobacco,
e-cigarettes), or has a positive cotinine test at Screening, or is unwilling to
abstain from these products for the duration of the study.
10. Has used any investigational compound or an experimental medical device, within 30
days prior to receiving the study drug.
11. If male, the subject intends to impregnate others, or donate sperm within 90 days (3
months) after receiving the study drug.
12. Has inadequate venous access for the required blood draws for the study.
13. Is unable to meet or perform study requirements, or has a known or suspected inability
to comply with the study protocol.
14. Is unable or unwilling to eat provided food (e.g., vegetarian, kosher, lactose
intolerant dietary requirements).
15. Is an immediate family member of the Investigator, or is an employee of the study
center, or is in a dependent relationship with a study site employee who is involved
in the conduct of this study (e.g., spouse, parent, child, sibling) or may consent
under duress.
16. Has been on a significantly abnormal diet during the 4 weeks preceding the first dose
of study drug based on Principal Investigator judgment.
17. Use of any OTC medication (including nutritional or dietary supplements, herbal
preparations, or vitamins) within 7 days prior to receiving the study drug until the
end of study visit.
18. Use of any prescription medication (except hormonal contraception) from 14 days prior
to receiving the study drug until the end-of-study visit.
19. Use of TNF-blocker within 30 days prior to receiving the study drug until 3 months (90
days) after receiving the study drug.
20. Receipt of live or attenuated vaccine within 30 days prior to receiving the study drug
until 3 months (90 days) after receiving the study drug. Subjects may receive the
COVID-19 vaccine but must wait 2 weeks after receiving the 2nd dose of the vaccine to
be enrolled into the study.
21. Engagement in non-routine strenuous exercise from 48 hours prior to receiving the
study drug until the end-of-study visit.
22. Consumption of xanthines from 48 hours prior to admission until the end of study
visit. Subjects will be instructed not to consume any of the above products; however,
allowance for an isolated single incidental consumption may be evaluated and approved
by the study Investigator based on the potential for interaction with the study drug.
23. Has a positive test for HBsAg, HCV antibody, or HIV at Screening or has been
previously treated for hepatitis B, hepatitis C, or HIV infection.
24. Female subjects who are pregnant or lactating.
25. Subjects who, in the opinion of the Investigator (or designee), should not participate
in this study.
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