A Phase 1 Study of an Investigational Drug, ALN-PCSSC, in Subjects With Elevated Low Density Lipoprotein Cholesterol (LDL-C)

December 16, 2015 updated by: Alnylam Pharmaceuticals

A Phase 1, Randomized, Single Blind, Placebo Controlled, Single Ascending Dose and Multiple Dose Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of Subcutaneously Administered ALN PCSSC in Subjects With Elevated Low Density Lipoprotein Cholesterol

The purpose of this study is to evaluate the safety, tolerability, pharmacokinetics and pharmacodynamics of ALN-PCSSC in subjects with elevated LDL-C.

Study Overview

Status

Completed

Study Type

Interventional

Enrollment (Actual)

70

Phase

  • Phase 1

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

      • Leeds, United Kingdom
        • Covance Clinical Research Unit
      • London, United Kingdom
        • Richmond Pharmacology

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 60 years (ADULT)

Accepts Healthy Volunteers

Yes

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Adequate complete blood counts, liver and renal function
  • Female subjects must be of non-childbearing potential; e.g. post-menopausal or pre-menopausal with surgical sterilization
  • Male subjects agree to use appropriate contraception
  • Willing to provide written informed consent and willing to comply with study requirements.
  • Non-smokers and non-nicotine users for at least 90 days before screening
  • On stable statin co-medication [for designated multiple dose cohorts only]

Exclusion Criteria:

  • Any uncontrolled or serious disease, or any medical or surgical condition, that may interfere with participation in the clinical study and/or put the subject at significant risk
  • Received an investigational agent within 90 days before the first dose of study drug or are in follow-up of another clinical study
  • History of multiple drug allergies or intolerance to subcutaneous injection
  • Received any medication or nutraceutical to alter serum lipids within 30 days before screening (non-statin cohorts only)

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: TREATMENT
  • Allocation: RANDOMIZED
  • Interventional Model: PARALLEL
  • Masking: SINGLE

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
PLACEBO_COMPARATOR: Sterile Normal Saline (0.9% NaCl)
calculated volume to match active comparator
ACTIVE_COMPARATOR: ALN-PCSSC
Single or multiple doses of ALN-PCSSC by subcutaneous (sc) injection

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
The safety of ALN-PCSSC evaluated by the proportion of subjects experiencing adverse events (AEs), serious adverse events (SAEs), and AEs leading to study drug discontinuation
Time Frame: Part 1 (SAD phase): up to 180 days post dose; Part 2 (MD) phase: up to 180 days post final dose
Part 1 (SAD phase): up to 180 days post dose; Part 2 (MD) phase: up to 180 days post final dose

Secondary Outcome Measures

Outcome Measure
Time Frame
The pharmacokinetics (PK) of ALN-PCSSC (Cmax, tmax, AUC, t1/2)
Time Frame: Part 1 (SAD) phase: predose, 0.5,1,2,4,6,8,12,24,48,72,96 hours; 7, 14, 21, 28, 42, 56 days post-dose; Part 2 (MD) phase: predose, 0.5,1,2,4,6,8,12,24,48,72,96 hours; 7, 14, 21, 28, 29, 35, 42, 56, 84 days post-dose
Part 1 (SAD) phase: predose, 0.5,1,2,4,6,8,12,24,48,72,96 hours; 7, 14, 21, 28, 42, 56 days post-dose; Part 2 (MD) phase: predose, 0.5,1,2,4,6,8,12,24,48,72,96 hours; 7, 14, 21, 28, 29, 35, 42, 56, 84 days post-dose
The effect of ALN-PCSSC on serum levels of LDL-C
Time Frame: Through the sooner of final follow up visit or 180 days post final dose
Through the sooner of final follow up visit or 180 days post final dose
The effect of ALN-PCSSC on plasma levels of PCSK9
Time Frame: Through the sooner of final follow up visit or 180 days post final dose
Through the sooner of final follow up visit or 180 days post final dose

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Collaborators

Investigators

  • Study Director: Robert Kauffman, MD, Alnylam Pharmaceuticals

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

December 1, 2014

Primary Completion (ACTUAL)

May 1, 2015

Study Completion (ACTUAL)

November 1, 2015

Study Registration Dates

First Submitted

December 5, 2014

First Submitted That Met QC Criteria

December 9, 2014

First Posted (ESTIMATE)

December 11, 2014

Study Record Updates

Last Update Posted (ESTIMATE)

December 17, 2015

Last Update Submitted That Met QC Criteria

December 16, 2015

Last Verified

December 1, 2015

More Information

Terms related to this study

Other Study ID Numbers

  • ALN-PCSSC-001

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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