| Eligibility |
Inclusion Criteria:
1. An Institutional Review Board (IRB) approved informed consent is signed and dated
prior to any study-related activities.
2. Subject is an adult male or female between the ages of 18 and 60 years, inclusive.
3. Female subjects of child-bearing potential must have a negative urine pregnancy test.
Females of childbearing potential must practice a highly effective method of pregnancy
prevention (defined as <1% pregnancies per 100 women per year) from one month before
screening to one month after the follow-up visit, such as: surgical sterilization,
hormonal implant, intrauterine device, or male condom + female diaphragm + vaginal
spermicide. Female subject with any of the following circumstances is not required to
use a highly effective method of pregnancy prevention: status post-hysterectomy; or,
status post-tubal ligation; or, post-menopausal state (defined as >= 12 months of
spontaneous amenorrhea) or < 12 months of spontaneous amenorrhea with a blood follicle
stimulating hormone > 40 MIU/ml.
4. Subject has a body mass index between 18 and 33 kg/m2 (weight/[height]2).
5. Subject has normal (or abnormal and clinically insignificant) laboratory values at
Screening.
6. Subject is healthy based on a medical evaluation including medical history, physical
examination, laboratory tests and cardiac monitoring and have no more than 3
spontaneous bowel movements (SBM) a day or no less than 3 SBMs a week.
7. Based on single or averaged QTc values of triplicate ECGs over a brief recording
period, QTc < 450 msec
8. Subject has the ability to understand the requirements of the study and a willingness
to comply with all study procedures, including retaining a rectal gel for at least 60
min and undergoing repeat rectal manometries lasting 10-15 min.
9. Subject has not consumed and agrees to abstain from taking any prescription or
non-prescription medications, including herbal and dietary supplements (such as St.
John's wort) within 14 days prior to the first dose of study medication (except as
authorized by the Investigator and Medical Monitor).
10. Subject has not consumed alcohol-containing beverages for 3 days prior to the first
scheduled dose and agrees not to consume alcohol through the last study visit.
11. Subject has not used tobacco- and nicotine-containing products for 2 months prior to
the first scheduled dose and agrees not to use through the last study visit.
Exclusion Criteria:
1. Subject has a hypersensitivity or allergy to oxymetazoline.
2. Subject has active or history of cardiovascular or cerebrovascular disease including
hypertension, unstable angina, myocardial infarction, transient ischemic
attacks/stroke, clinically significant arrhythmia, congestive heart failure, or
cardiac valve abnormalities.
3. Subject has systolic blood pressure >130 mm Hg and/or diastolic blood pressure >80 mm
Hg and/or resting heart rate >90 bpm or resting heart rate <50 bpm.
4. Subject has glaucoma (narrow-angle), Raynaud's disease/phenomenon, thromboangiitis
obliterans, scleroderma, and/or Sjögren's syndrome.
5. Subject has diabetes per medical history or has fasting plasma glucose level > 7
mmol/l (126 mg/dl) at screening or has Glycated hemoglobin (HbA1C) = 48 mmol/mol (=
6.5 DCCT %) at screening.
6. Subject has thyroid problems such as medical history of hypothyroidism,
hyperthyroidism, sick euthyroid syndrome, thyroid cancer, thyroid surgery, Radioiodine
treatment or enlarged thyroid upon physical examination, or thyroid nodule upon
physical examination, or abnormal thyroid-stimulating hormone (TSH) at screening
defined as level >4.0 mIU/mL or level <0.4 mIU/mL.
7. Subject with enlarged prostate as per medical history or per rectal examination in
screening.
8. Subject has a history of rectal surgery.
9. Subject has upon physical examination a rectal deformation or signs of rectal disease
such as fissure, hemorrhoids grade 3, rectal prolapse, fistula, infection or space
occupying lesion.
10. Subjects with a history of or present symptoms related to irritable bowel disease,
inflammatory bowel disease, or chronic constipation.
11. Subject reporting change in bowel habits in the last 14 days.
12. Subject reporting episodes of rectal bleeding in the last 90 days.
13. Subjects taking anticoagulants such as Coumarins, Heparins, and Factor Xa inhibitors.
14. Subjects taking drugs known to affect rectal tone: nitrates, calcium channel blockers,
alpha antagonists, and alpha agonists.
15. Subjects taking beta-blockers, and/or cardiac glycosides.
16. Subjects taking anti-hypertensives such as diuretics, beta blockers, alpha
antagonists, sympatholytics, ACE inhibitors, angiotensin II antagonists, renin
inhibitors, calcium antagonists or direct vasodilators.
17. Subjects taking anti-diabetic medications such as insulin, Biguanides, a-Glucosidase
Inhibitors, Dipeptidyl peptidase IV inhibitors, Insulin secretagogues, Sodium-glucose
cotransporter 2 inhibitors, Thiazolidinediones, Amylin agonists, GLP-1
receptor-agonists.
18. Subjects taking drugs affecting the thyroid such as levothyroxine, propylthiouracil,
methimazole or amiodarone.
19. Subject has a history illicit drug abuse in the past year or current evidence of such
abuse in the opinion of the Investigator.
20. Subject has positive findings on urine drug/alcohol/cotinine screen.
21. Subject is positive for human immunodeficiency virus (HIV), hepatitis B and/or
hepatitis C on Screening assessments.
22. Subject has an abnormal screening lab results judged by the investigator as clinically
significant.
23. Subject has thrombocytopenia defined as platelet level < 150,000 per microliter of
blood.
24. Subject is pregnant or lactating.
25. Subject has an acute illness within 1 week of the first scheduled dose.
26. Subject has donated plasma within 7 days of drug administration.
27. Subject has donated 1 or more pints of blood (or equivalent blood loss) within 30 days
prior to drug administration.
28. Subject has participated in an investigational drug study where the last assessment of
that study was within the 30 days prior to the first scheduled dose of this study.
29. Subject is an immediate family member of personnel directly affiliated with the study,
or is personally directly affiliated with the study at the investigative site, or is
employed or related to the Sponsor, CRO or investigator.
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