| Eligibility |
Inclusion Criteria:
1. Healthy male or female volunteers not of childbearing potential, who are 18 years to
65 years of age (inclusive) at the time of signing the informed consent form (ICF).
2. Females not of childbearing potential, as defined in the following criteria:
1. History of hysterectomy.
2. Post-menopausal.
i. Natural post-menopausal females with at least 12 months from natural spontaneous
amenorrhea and a serum follicle-stimulating hormone (FSH) concentration = 40 IU/L.
ii. Post-surgical females must have undergone bilateral oophorectomy at least 6 weeks
prior to study.
3. Male subjects with female partners of childbearing potential must agree to practice
abstinence or use a combination of 2 of the following acceptable birth control methods
during the study and for at least 90 days after dosing:
1. Partners have an intrauterine device (IUD) without hormones in place for at least
3 months.
2. Barrier method (condom or diaphragm) for at least 14 days prior to screening and
90 days after dosing with study drug.
3. Partners using stable hormonal contraceptive for at least 3 months prior to
screening and for 90 days after dosing with study drug.
4. History of vasectomy at least 3 months prior to signing the ICF.
4. Must be able to understand and provide signed informed consent for study
participation.
5. Willing and able to comply with all scheduled visits, treatment plan, laboratory
tests, and other study procedures.
6. Body mass index (BMI) 18.0 to 32.0 kg/m2 (inclusive), and a body weight = 50 kg.
7. Normal renal function, defined as estimated glomerular filtration rate (eGFR) = 70
mL/min/1.73 m2 at screening and Day -1.
8. Clinical laboratory values should be within the laboratory's stated normal range. If
not within this range, they must be without clinical significance, as determined by
the Investigator.
9. No history of clinically relevant medical disorders, as determined by the
Investigator.
Exclusion Criteria:
1. Known or suspected pregnancy (confirmed via a positive serum human chorionic
gonadotropin [hCG] pregnancy test at screening), planned pregnancy during the study
period, nursing, or lactation.
2. Women of childbearing potential or men who intend to father a child or donate sperm
during the study period and for 3 months after study drug administration.
3. Known allergy to fenretinide or any of the components of ISLA101.
4. Evidence or history of clinically significant medical conditions, such as
hematological, renal, endocrine (e.g., polycystic ovarian syndrome or other
anovulatory states), immunologic, pulmonary, metabolic, gastrointestinal (e.g.,
Crohn's disease, acute or chronic pancreatitis, and others) and surgery (except for
simple appendectomy or repair of a hernia), which all can influence the absorption of
study drug; cardiovascular, hepatic, psychiatric, neurologic, or allergic disease
(including drug allergies, but excluding untreated, asymptomatic, seasonal allergies
at the time of dosing), or any other illness that the Investigator considers
exclusionary or that could interfere with the interpretation of the study results.
5. History of severe infectious disease or recurrent infections.
6. Aspartate transaminase (AST), alanine aminotransferase (ALT), or total bilirubin above
the 1.5 x upper limit of normal (ULN) at screening and Day -1.
7. Clinically significant electrocardiogram (ECG) abnormalities or vital sign
abnormalities at screening and Day -1, long QT syndrome, or a history of cardiac
disease.
8. Abnormal diet that may affect absorption, distribution, metabolism, or excretion of
drugs, for example, lacking standard nutrients (e.g, cleansing diet 2 weeks before or
during the study).
9. Positive result for hepatitis B, hepatitis C, or human immunodeficiency virus (HIV) at
screening.
10. History of positive test for tuberculosis (TB) at screening.
11. A subject who has donated 1 unit of blood of over 500 mL within 56 days prior to the
study drug administration, or donated plasma within 14 days prior to study drug
administration.
12. Use of systemic antibiotics within 30 days prior to dosing.
13. Any use of drugs that inhibit or induce CYP enzymes within 30 days prior to
administration of study drug and for the duration of study participation.
14. Use of any tobacco products, e-cigarettes, and/or nicotine replacement products in the
3 months preceding screening.
15. Any food allergy, intolerance, or restriction that, in the opinion of the
Investigator, could contraindicate the subject's participation in this study.
16. Recent history of (within the past 12 months), or strong potential for, alcohol or
substance abuse. Alcohol abuse will be defined as > 14 drinks per week (1 drink = 10g
of ethanol).
17. History of drug or alcohol abuse within 5 years before screening or positive result of
UDS (e.g, amphetamines, benzodiazepines, cannabinoids, cocaine, hallucinogens,
opiates) or alcohol breath test at screening.
18. Exposure to any investigational agent or used an invasive investigational medical
device within 30 days or within a period less than 5 drug half-lives prior to study
entry (whichever is longer).
19. Study site employees, Sponsor's employees, or immediate family members of a study site
or Sponsor employee.
20. Previously enrolled in this study.
21. Vaccination 14 days from screening or plans to get a vaccine within 30 days after
dosing.
22. Acute infection (such as influenza) or relevant lesion at the time of Screening or Day
-1. Subjects can be rescreened once they have recovered.
23. Criteria at the discretion of the Investigator:
1. Chronic medical condition that impacts subject safety.
2. Clinically significant abnormal physical examination or vital signs at screening.
3. Condition believed to interfere with the subject's ability to provide informed
consent or comply with study instructions, or that might confound the
interpretation of the study results or put the subject at undue risk.
4. History or evidence of a clinically significant disorder, condition, or disease
that that is believed to significantly impair pain perception (e.g., history of
stroke, history of neuropathy), would pose a risk to subject safety or interfere
with evaluation, procedures, or study completion.
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