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NCT07347678RecruitingPhase 1

Phase 1a Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of RN5681 in Healthy Volunteers

A Phase 1a, Randomized, Placebo-Controlled, Single Ascending Dose Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of RN5681 in Healthy Volunteers

Source: ClinicalTrials.gov · Last updated 3 Apr 2026

Brief summary (registry, in English)

The purpose of this study is to evaluate the safety, tolerability, pharmacokinetics, pharmacodynamics and immunogenicity of single doses of RN5681 in Adult healthy subjects

Status (registry)
Recruiting
Phase (registry)
Phase 1
Study type
Interventional
Enrollment
60 (estimated)
First submitted
9 Jan 2026
Start date
12 Mar 2026
Primary completion date
28 Feb 2027
Lead sponsor
Ikaria Bioscience Pty Ltd
NCT number
NCT07347678

What you commit to

  • Study type: Interventional · Phase 1
  • Planned participants: 60
  • From 12 Mar 2026 to the primary completion date, 28 Feb 2027
  • 2 sites in 1 country
  • Visits and tests: ask the trial team, the registry does not list them

Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.

Who cannot take part

Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.

Prior treatment

  • Current regular smoker (defined as \>2 cigarettes/day or \>10 cigarettes/week) within 3 months prior to screening
  • Use of any siRNA, antisense oligonucleotide (ASO), cell and gene therapy, or clustered regularly interspaced short palindromic repeats (CRISPR) agent in the prior 12 months

Lab values

  • Alanine aminotransferase (ALT) or aspartate aminotransferase (AST) \>1.5× the upper limit of normal at screening
  • Hemoglobin A1c (HbA1c) ≥6.5% at screening
  • Received any prescription lipid-lowering medication, including but not limited to statins, ezetimibe, and PCSK9 inhibitors to alter serum lipids within 30 days before screening

Who the study is looking for

  • Body mass index (BMI) 18 to 35 kg/m2
  • Fasting LDL-C ≥70 mg/dL (1.81 mmol/L) (all SAD cohorts); fasting LDL-C ≥100 mg/dL (2.59 mmol/L) (POC cohort only)
  • Lp(a) at Screening: SAD cohort: ≥25 nmol/L POC cohort: ≥100 nmol/L
  • Fasting triglycerides \<400 mg/dL (4.51 mmol/L) at Screening
  • No clinically significant abnormalities of hepatic or renal function

Age in the registry: 18 years to 65 years · Sex: All · Accepts healthy volunteers

Full criteria on ClinicalTrials.gov

Sites (2)

Sites in registry order. Pick your city on the disease page to sort them by distance.

SiteCityCountrySite status
Q-Pharm Pty Ltd
Coordinator of this site? Confirm its status
BrisbaneAustraliaRecruiting
Nucleus Network Pty Ltd
Coordinator of this site? Confirm its status
MelbourneAustraliaRecruiting

This page is information, not medical advice. Discuss any trial with your doctor.