A Safety and Tolerability Study of RJX Drug Product in Healthy Participants

Inclusion Criteria

• •1. Healthy male and female participants aged 18 to 50 years inclusive (Cohort 1 to Cohort 5) or 51 to 70 years inclusive (Cohort 6 only),at the time of screening;
• •2. Have a body mass index of 18 kg/m2 to 35 kg/m2, inclusive, at screening. In addition, weight cannot exceed 132 kg;
• •3. Have negative screening assessment for viral hepatitis (hepatitis B or hepatitis C) and human immunodeficiency virus;
• •4. Have negative routine urine drug screen and negative alcohol breath test at screening and Day -1;
• •5. A female participant is eligible to participate if she is not pregnant,not breastfeeding, and at least 1 of the following conditions applies:
• •1. Not of childbearing potential, defined as surgically sterile (documented hysterectomy, bilateral salpingectomy, tubal ligation or bilateral oophorectomy) or postmenopausal (no menses for 12 months without an alternative medical cause. A high follicle stimulating hormone (FSH) level in the postmenopausal range may be used to confirm a postmenopausal state in women not using hormonal contraception or hormonal replacement therapy; however, in the absence of 12 months of amenorrhea, a single FSH measurement is insufficient);
• •2. Of childbearing potential and agrees to use 2 highly effective methods of contraception consistently during the treatment period and for at least 60 days after the last dose of investigational product;
• •6. A male participant with a female partner of childbearing potential is eligible to participate if he agrees to use acceptable contraception during the treatment period and for at least 60 days after the last dose of investigational product and refrains from donating sperm during this period;
• •7. Clinical laboratory test results within normal reference range for the population or investigator site, or any results that are judged to be not clinically significant by the investigator;
• •8. Venous access sufficient to allow for blood sampling per the protocol;
• •9. Reliable and willing to make themselves available for the duration of the study and are willing to follow study procedures;
• •10. Given written informed consent prior to any study procedures being performed
• •12. Have donated blood of more than 500 mL within 4 weeks prior to study enrollment;
• •13. Have an average weekly alcohol intake that exceeds 21 units per week (males up to age 65) and 14 units per week (males over 65 and females) or are unwilling to stop alcohol consumption for 24 hours prior to study site admission (1 unit = 12 oz or 360 mL of beer; 5 oz or 150 mL of wine; 1.5 oz or 45 mL of distilled spirits). Participants must have a of negative alcohol breath test at Day -1 and no evidence of alcohol abuse in the previous 12 months, defined as \> 21 weekly units for males up to age 65 and \> 14 weekly units for males over 65 and females;
• •14. Have smoked cigarettes in the last 90 days (including occasional smokers who have smoked more than 5 cigarettes per month within the last 90 days);
• •15. In the opinion of the investigator or sponsor, are unsuitable for inclusion in the study;
• •16. Are investigator site personnel directly affiliated with this study and their immediate families. Immediate family is defined as a spouse, parent, child or sibling, whether biological or legally adopted;
• •17. Are Reven employees or employees of third-party organizations involved with the study who require exclusion of their employees.