| Eligibility |
Inclusion Criteria:
- 1. Able to understand and voluntarily consent to participation in this study and
provides written informed consent before the start of any study-specific procedures.
2. Healthy adult male or female at least 55 years of age. 3. Negative test for
SARS-CoV2 (COVID-19) 4. Normally active and otherwise judged to be in good health on
the basis of medical history and physical examination.
5. Has vital signs (measured sitting after a minimum 3 minutes of rest) at Screening
within the following ranges: heart rate: 40 to 100 bpm; systolic blood pressure (BP):
90 to145 mmHg; diastolic BP: 50 to 95 mmHg. Out-of-range vital signs may be repeated
once.
6. Has a body temperature =37.7 degrees C 7. Body weight at least 55 kg 8. Body mass
index (BMI) 18.0 to 32.0 kg/m2 (inclusive) 9. Female subjects are eligible only if the
following applies: Surgically sterile (bilateral tubal ligation, hysterectomy, or
bilateral oophorectomy), or postmenopausal (confirmed with serum FSH at Screening) 10.
Male subjects must either be surgically sterile (vasectomy at least 3 months prior to
first dose) or agree to use an acceptable method of birth control (see Section 4.4)
from Screening through EOS.
11. Is willing and able to remain in the study unit for the entire duration of each
confinement period.
Exclusion Criteria:
- 1. History or presence of clinically significant cardiovascular, pulmonary, hepatic,
renal, hematologic, gastrointestinal, endocrine, immunologic, ophthalmologic,
dermatologic, neurologic, oncologic, or psychiatric disease or any other condition
that, in the opinion of the Investigator, would jeopardize the safety of the subject
or the validity of the study results.
2. Has a history of glaucoma, asthma, chronic obstructive pulmonary disease, or
thyroid disease.
3. History and/or family history of congenital long QT syndrome, unexplained syncope,
or other additional risks for Torsade de Pointes, or sudden premature death.
4. Clinically significant illnesses within 4 weeks of the administration of study
medication (including flu, flu-like symptoms, diarrhea, vomiting, fever, sore throat)
or acute illness at the time of either the pre-study medical evaluation or dosing.
5. Has been in contact with someone within the last month who has tested positive for
SARS-CoV-2.
6. History of COVID-19. 7. Clinically significant surgery within 4 weeks prior to the
administration of the study medication.
8. Has participated in another clinical trial (randomized subjects only) within 30
days before the first dose of study medication.
9. An active malignancy of any type or has been diagnosed with cancer within 5 years
prior to Screening (excluding squamous or basal cell carcinoma of the skin).
10. History or presence of allergic or adverse response to midazolam, ketamine, 11.
Use of any over-the-counter (OTC) medication (including nutritional or dietary
supplements, herbal preparations, or vitamins) within 14 days before the first dose of
study medication until the EOS without evaluation and approval by the Investigator.
12. Use of any prescription medication, except statin drugs or hormonal replacement
therapy, from 14 days before the first dose of study medication until the EOS without
evaluation and approval by the Investigator.
13. Have had a depot injection or an implant of any drugs 3 months prior to
administration of study medication.
14. Has been treated with any known drugs that are moderate or strong
inhibitors/inducers of cytochrome P450 (CYP) enzymes (e.g., barbiturates,
phenothiazines, cimetidine, carbamazepine) within 30 days before the first dose of
study medication, and that, in the Investigators judgment, may impact subject safety
or the validity of the study results.
Specifically, the use of any drugs known to inhibit CYP2C9 and CYP3A4 enzymes (for example,
amiodarone, fluconazole, ketoconazole, itraconazole, clarithromycin, ritonavir,
erythromycin) or any drugs that are highly protein-bound (for example, warfarin,
cyclosporine, amphotericin B) within 30 days prior to the first dose of study medication,
and that in the Investigator's judgment may impact subject safety or the validity of the
study results.
15. Blood or plasma donation within 30 days before the first dose of study medication until
the EOS. It is recommended that blood/plasma donations not be made for at least 30 days
after the EOS.
16. Has any prior history of substance abuse or treatment (including alcohol).
1. History of significant alcohol abuse within 6 months of Screening or any indication of
the regular use of more than 2 units of alcohol per day
(1 unit = 50 mL of wine or 360 mL of beer or 45 mL of alcohol 40%).
2. History of use of marijuana within 3 months of Screening or drugs such as cocaine,
phencyclidine (PCP), within 1 year of Screening.
17. Smoking or use of tobacco- or nicotine-containing products within 60 days before
the first dose of study medication until the EOS Note: Nonsmokers are preferred for
this study. 18. Any food allergy, intolerance, restriction, or special diet that, in
the opinion of the Investigator, contraindicates the subjects participation in this
study.
19. Has been on a significantly abnormal diet during the 4 weeks preceding the first
dose of study medication.
20. Consumption of beverages or foods that contain alcohol, poppy seeds, broccoli,
Brussels sprouts, pomegranate, star fruit, char-grilled meat, or caffeine/xanthine
from 48 hours before the first dose of study medication until the EOS.
Subject must not consume grapefruit, orange, or apple juice from 7 days before the
first dose of study medication until the EOS.
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.
21. Engagement in strenuous exercise from 48 hours before the first dose of study
medication until the EOS.
22. A clinically significant abnormal finding on the physical examination, medical
history, or clinical laboratory results at Screening.
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