A Study to Assess the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of Single-Ascending and Multiple Doses of Eplontersen (Formerly Known as ION-682884, IONIS-TTR-LRx and AKCEA-TTR-LRx) in Healthy Japanese Participants
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Lead
Ionis Pharmaceuticals, Inc.
This is a single-center, double-blinded, placebo-controlled study in up to 44 participants. Participants will be randomized to receive three subcutaneous single-ascending doses and potentially multiple doses of Eplontersen or placebo.
Age
20–65
Sex
ALL
Healthy volunteers
Accepted
You may be eligible if
1. Must have given written informed consent (signed and dated) and any authorizations required by local law and be able to comply with all study requirements
2. Healthy Japanese males or females of non-childbearing potential, aged 20 to 65 inclusive at the time of informed consent defined as being of first- or second-generation ethnic origin with each set of parents qualifying as Japanese under the prior generation. Generations will be defined as follows:
* First generation Japanese participants must be born in Japan, cannot have lived outside of Japan for more than 10 years, must maintain Japanese diet, culture and lifestyle and parents and both sets of grandparents are of Japanese origin
* Second-generation Japanese are participants who are born outside of Japan to the first-generation Japanese parents
3. Females must be non-pregnant and non-lactating, and either surgically sterile (e.g., tubal occlusion, hysterectomy, bilateral salpingectomy, bilateral oophorectomy) or post-menopausal (defined as 12 months of spontaneous amenorrhea without an alternative medical cause and follicle-stimulating hormone (FSH) levels in the postmenopausal range for the laboratory involved Males must be surgically sterile or abstinent\*, if engaged in sexual relations with a female of child-bearing potential, the participant must be using an acceptable contraceptive method from the time of signing the informed consent form until at least 91 days (single-dose cohorts) or 13 weeks (multiple-dose cohorts) after the last dose of Study Drug (Eplontersen or placebo)
\* Abstinence is only acceptable as true abstinence, i.e., when this is in line with the preferred and usual lifestyle of the participant. Periodic abstinence (e.g., calendar, ovulation, symptothermal, post-ovulation methods), declaration of abstinence for the duration of a trial and withdrawal are not acceptable methods of contraception.
4. Willingness to take vitamin A supplements
You may not be if
1. Clinically significant abnormalities in medical history (e.g., previous acute coronary syndrome within 6 months of Screening, major surgery within 3 months of Screening) or physical examination
2. Screening laboratory results as follows, or any other clinically significant abnormalities in Screening laboratory values that would render a participant unsuitable for inclusion
* Random spot urine protein/creatinine (P/C) ratio (UPCR) ≥ 200 milligrams per gram (mg/g).
4. Malignancy within 5 years, except for basal or squamous cell carcinoma of the skin or carcinoma in situ of the cervix that has been successfully treated
Clareo Health | A Study to Assess the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of Single-Ascending and Multiple Doses of Eplontersen (Formerly Known as ION-682884, IONIS-TTR-LRx and AKCEA-TTR-LRx) in Healthy Japanese Participants
