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A Safety and Tolerability Study of an Investigational Drug, ALN-TTRSC02, in Healthy Subjects

A Phase 1, Randomized, Single-Blind, Placebo Controlled, Single-Ascending Dose, Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics Study of Subcutaneously Administered ALN-TTRSC02 in Healthy Subjects

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02797847
Enrollment
80
Registered
2016-06-14
Start date
2016-06-07
Completion date
2018-01-12
Last updated
2018-09-21

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Transthyretin-mediated Amyloidosis (ATTR Amyloidosis)

Keywords

TTR-mediated Amyloidosis, Amyloidosis, Hereditary, Amyloid Neuropathies, Familial, Familial Amyloid Polyneuropathies, Amyloid Neuropathies, Amyloidosis, Hereditary, Transthyretin-Related, Familial Amyloidosis, RNAi therapeutic

Brief summary

The purpose of this study is to determine the safety, tolerability, pharmacokinetics and pharmacodynamics of ALN-TTRSC02 in healthy subjects.

Interventions

DRUGALN-TTRSC02

Ascending doses of ALN-TTRSC02 by subcutaneous (SC) injection

DRUGSterile Normal Saline (0.9% NaCl)

Calculated volume to match active comparator

Sponsors

Alnylam Pharmaceuticals
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
SINGLE (Subject)

Eligibility

Sex/Gender
ALL
Age
18 Years to 65 Years
Healthy volunteers
Yes

Inclusion criteria

* Male and female subjects, age 18 to 65 years, inclusive. * Body mass index (BMI) ≥18.0 kg/m2 and ≤30 kg/m2 assessed at Screening. * No clinically significant health concerns, as determined by medical history and physical examination, in the opinion of the Investigator. * Women of child bearing potential must have a negative pregnancy test, cannot be breastfeeding, and must be willing to use contraception, willing and able to comply with the study requirements and to provide written informed consent. * For Japanese cohorts, subjects of Japanese descent are defined as people carrying a Japanese passport, descendants of 4 Japanese grandparents, and have not been outside Japan for more than 5 years.

Exclusion criteria

* Clinically relevant history or presence of respiratory, gastrointestinal, renal, cardiovascular, hepatic, hematological, lymphatic, neurological, psychiatric, musculoskeletal, genitourinary, immunological, and other inflammatory diseases, or dermatological or connective tissue diseases or disorders. * Active serious mental illness or psychiatric disorder. * Clinically significant ECG abnormalities. Abnormal for AST/ALT and any other clinical safety laboratory result considered clinically significant. * Known history of allergic reaction to an oligonucleotide or GalNAc. * History of intolerance to subcutaneous injection.

Design outcomes

Primary

MeasureTime frame
Safety of ALN-TTRSC02, evaluated by the proportion of subjects experiencing adverse events (AEs)Day 1 through to Day 314

Secondary

MeasureTime frameDescription
Profile of pharmacokinetics (PK) of ALN-TTRSC02Day 1 through to Day 3Cmax
Effect of ALN-TTRSC02 on serum TTR levels as measured by reduction from baseline in serum TTRDay 1 through to Day 314
Effect of ALN-TTRSC02 on serum Vitamin A levels as measured by reduction from baseline in serum Vitamin AScreening through to Day 314

Countries

United Kingdom

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026