A Pharmacokinetic and Pharmacodynamic Study of PF-04950615 (RN316) in Subjects With Hypercholesterolemia

October 6, 2017 updated by: Pfizer

A Phase 1, Open-label, Randomized, Single Dose, Parallel Group Study To Assess The Pharmacokinetics And Pharmacodynamics Of Pf-04950615 Following Subcutaneous And Intravenous Doses In Adult Subjects With Hypercholesterolemia

This Phase 1 study has been designed to evaluate the absolute bioavailability of PF-04950615 (RN316) in subjects with hypercholesterolemia who are not currently on lipid-lowering therapy.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
49

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • 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

  • United States
    • California
      • Chula Vista, California, United States, 91911
        • Profil Institute for Clinical Research, Inc.
    • Florida
      • Miami, Florida, United States, 33169
        • Elite Research Institute
    • Kansas
      • Overland Park, Kansas, United States, 66212
        • Vince and Associates Clinical Research
    • Maryland
      • Baltimore, Maryland, United States, 21225
        • Parexel International - Baltimore Early Phase Clinical Unit
    • Michigan
      • Kalamazoo, Michigan, United States, 49007
        • Jasper Clinic, Inc.
    • Minnesota
      • Saint Paul, Minnesota, United States, 55114
        • Prism Research
    • Ohio
      • Cincinnati, Ohio, United States, 45212
        • Medpace Clinical Pharmacology Unit

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

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Fasting LDL-C greater than or equal to 130 mg/dL at two qualifying screening visits.
  • Total body weight greater than or equal to 50 kg (110 lbs) and less than or equal to 150 kg (330 lbs)

Exclusion Criteria:

  • Lipid-lowering prescription medications, homeopaths, herbal medicines, or nutritional supplements.
  • Poorly controlled type 1 or type 2 diabetes.
  • History of a cardiovascular or cerebrovascular event or related procedure during the past year.
  • Poorly controlled hypertension.

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: Basic Science
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Experimental: Group A
Biological: PF-04950615 (RN316)
Dose A - single-dose intravenous infusion
Biological: PF-04950615 (RN316)
Dose B - single-dose subcutaneous injection
Biological: PF-04950615 (RN316)
Dose C - single-dose subcutaneous injection
Biological: PF-04950615 (RN316)
Dose D - single-dose subcutaneous injection
Experimental: Group B
Biological: PF-04950615 (RN316)
Dose A - single-dose intravenous infusion
Biological: PF-04950615 (RN316)
Dose B - single-dose subcutaneous injection
Biological: PF-04950615 (RN316)
Dose C - single-dose subcutaneous injection
Biological: PF-04950615 (RN316)
Dose D - single-dose subcutaneous injection
Experimental: Group C
Biological: PF-04950615 (RN316)
Dose A - single-dose intravenous infusion
Biological: PF-04950615 (RN316)
Dose B - single-dose subcutaneous injection
Biological: PF-04950615 (RN316)
Dose C - single-dose subcutaneous injection
Biological: PF-04950615 (RN316)
Dose D - single-dose subcutaneous injection
Experimental: Group D
Biological: PF-04950615 (RN316)
Dose A - single-dose intravenous infusion
Biological: PF-04950615 (RN316)
Dose B - single-dose subcutaneous injection
Biological: PF-04950615 (RN316)
Dose C - single-dose subcutaneous injection
Biological: PF-04950615 (RN316)
Dose D - single-dose subcutaneous injection

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Maximum Observed Plasma Concentration (Cmax) of PF-04950615
Time Frame: Pre-dose, 30 minutes, 1, 8, 24, 48, 72, 96, 120, 168, 336, 504, 672, 840, 1008, 1176, 1344, 1512, 1680, 2016 hours post-dose
Pre-dose, 30 minutes, 1, 8, 24, 48, 72, 96, 120, 168, 336, 504, 672, 840, 1008, 1176, 1344, 1512, 1680, 2016 hours post-dose
Time to Reach Maximum Observed Plasma Concentration (Tmax) of PF-04950615
Time Frame: Pre-dose, 30 minutes, 1, 8, 24, 48, 72, 96, 120, 168, 336, 504, 672, 840, 1008, 1176, 1344, 1512, 1680, 2016 hours post-dose
Pre-dose, 30 minutes, 1, 8, 24, 48, 72, 96, 120, 168, 336, 504, 672, 840, 1008, 1176, 1344, 1512, 1680, 2016 hours post-dose
Area Under the Plasma Concentration-Time Curve From Time Zero to Time of Last Quantifiable Concentration (AUClast) of PF-04950615
Time Frame: Pre-dose, 30 minutes, 1, 8, 24, 48, 72, 96, 120, 168, 336, 504, 672, 840, 1008, 1176, 1344, 1512, 1680, 2016 hours post-dose
Pre-dose, 30 minutes, 1, 8, 24, 48, 72, 96, 120, 168, 336, 504, 672, 840, 1008, 1176, 1344, 1512, 1680, 2016 hours post-dose
Area Under the Plasma Concentration-Time Curve From Time Zero To Infinity (AUCinf) of PF-04950615
Time Frame: Pre-dose, 30 minutes, 1, 8, 24, 48, 72, 96, 120, 168, 336, 504, 672, 840, 1008, 1176, 1344, 1512, 1680, 2016 hours post-dose
Pre-dose, 30 minutes, 1, 8, 24, 48, 72, 96, 120, 168, 336, 504, 672, 840, 1008, 1176, 1344, 1512, 1680, 2016 hours post-dose
Apparent Clearance (CL/F) of PF-04950615 Subcutaneous Groups
Time Frame: Pre-dose, 30 minutes, 1, 8, 24, 48, 72, 96, 120, 168, 336, 504, 672, 840, 1008, 1176, 1344, 1512, 1680, 2016 hours post-dose
Clearance (CL) of a drug is a measure of the rate at which a drug is metabolized or eliminated by normal biological processes. Apparent clearance (CL/F) is influenced by the fraction of the dose absorbed from plasma after SC administration of drug.
Pre-dose, 30 minutes, 1, 8, 24, 48, 72, 96, 120, 168, 336, 504, 672, 840, 1008, 1176, 1344, 1512, 1680, 2016 hours post-dose
Clearance (CL) of PF-04950615 Intravenous Group
Time Frame: Pre-dose, 30 minutes, 1, 8, 24, 48, 72, 96, 120, 168, 336, 504, 672, 840, 1008, 1176, 1344, 1512, 1680, 2016 hours post-dose
Clearance of a drug is a measure of the rate at which a drug is metabolized or eliminated by normal biological processes.
Pre-dose, 30 minutes, 1, 8, 24, 48, 72, 96, 120, 168, 336, 504, 672, 840, 1008, 1176, 1344, 1512, 1680, 2016 hours post-dose
Apparent Volume of Distribution (Vz/F) of PF-04950615 Subcutaneous Groups
Time Frame: Pre-dose, 30 minutes, 1, 8, 24, 48, 72, 96, 120, 168, 336, 504, 672, 840, 1008, 1176, 1344, 1512, 1680, 2016 hours post-dose
Volume of distribution (Vz) is defined as the theoretical volume in which the total amount of drug would need to be uniformly distributed to produce the desired plasma concentration of a drug. Vz/F is influenced by the fraction of the dose absorbed from plasma after SC administration of drug.
Pre-dose, 30 minutes, 1, 8, 24, 48, 72, 96, 120, 168, 336, 504, 672, 840, 1008, 1176, 1344, 1512, 1680, 2016 hours post-dose
Volume of Distribution at Steady State (Vss) of PF-04950615 Intravenous Group
Time Frame: Pre-dose, 30 minutes, 1, 8, 24, 48, 72, 96, 120, 168, 336, 504, 672, 840, 1008, 1176, 1344, 1512, 1680, 2016 hours post-dose
Volume of distribution is defined as the theoretical volume in which the total amount of drug would need to be uniformly distributed to produce the desired plasma concentration of a drug. Vss is determined when overall intake of drug is in dynamic equilibrium with its elimination.
Pre-dose, 30 minutes, 1, 8, 24, 48, 72, 96, 120, 168, 336, 504, 672, 840, 1008, 1176, 1344, 1512, 1680, 2016 hours post-dose
Terminal Elimination Half-life (t1/2) of PF-04950615
Time Frame: Pre-dose, 30 minutes, 1, 8, 24, 48, 72, 96, 120, 168, 336, 504, 672, 840, 1008, 1176, 1344, 1512, 1680, 2016 hours post-dose
t1/2 is the time measured for the plasma concentration of drug to decrease by one half.
Pre-dose, 30 minutes, 1, 8, 24, 48, 72, 96, 120, 168, 336, 504, 672, 840, 1008, 1176, 1344, 1512, 1680, 2016 hours post-dose
Absolute Bioavailability of PF-04950615 Subcutaneous Groups
Time Frame: Pre-dose, 30 minutes, 1, 8, 24, 48, 72, 96, 120, 168, 336, 504, 672, 840, 1008, 1176, 1344, 1512, 1680, 2016 hours post-dose
Bioavailability is defined as the rate and extent to which the active moiety administered drug reaches the systemic circulation. Absolute bioavailability of the subcutaneous doses was estimated by comparing log-transformed dose-normalized AUClast for subcutaneous to intravenous dose.
Pre-dose, 30 minutes, 1, 8, 24, 48, 72, 96, 120, 168, 336, 504, 672, 840, 1008, 1176, 1344, 1512, 1680, 2016 hours post-dose

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
Absolute Value of Fasting Low-density Lipoprotein Cholesterol (LDL-C)
Time Frame: Day 2, 3, 4, 5, 6, 8, 15, 22, 29, 36, 43, 50, 57, 64, 71, 85
Day 2, 3, 4, 5, 6, 8, 15, 22, 29, 36, 43, 50, 57, 64, 71, 85
Percent Change From Baseline in Fasting Low-density Lipoprotein Cholesterol (LDL-C) at Day 2, 3, 4, 5, 6, 8, 15, 22, 29, 36, 43, 50, 57, 64, 71 and 85
Time Frame: Baseline, Day 2, 3, 4, 5, 6, 8, 15, 22, 29, 36, 43, 50, 57, 64, 71, 85
Baseline was the average of observations collected on Days 7 and 1 prior to the study treatment administration.
Baseline, Day 2, 3, 4, 5, 6, 8, 15, 22, 29, 36, 43, 50, 57, 64, 71, 85
Duration of Fasting LDL-C Suppressed Below 70 mg/dL and 100 mg/dL
Time Frame: Day 1 up to Day 85
Day 1 up to Day 85

Other Outcome Measures

Other Outcome Measures

For clinical trials, a planned measurement described in the protocol that is used to determine the effect of an intervention/treatment on participants. For observational studies, a measurement or observation that is used to describe patterns of diseases or traits, or associations with exposures, risk factors, or treatment. Types of outcome measures include primary outcome measure and secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
Number of Participants With Treatment-Emergent Adverse Events (AEs) and Serious Adverse Events (SAEs)
Time Frame: Day 1 up to Day 85
An AE was any untoward medical occurrence in a participant who received study drug without regard to possibility of causal relationship. An SAE was an AE resulting in any of the following outcomes or deemed significant for any other reason: death; initial or prolonged inpatient hospitalization; life-threatening experience (immediate risk of dying); persistent or significant disability/incapacity; congenital anomaly. A treatment emergent AE was defined as an event that emerged during the treatment period that was absent before treatment, or worsened during the treatment period relative to the pretreatment state.
Day 1 up to Day 85
Number of Adverse Events (AEs) by Severity
Time Frame: Day 1 up to Day 85
An AE was any untoward medical occurrence in a participant who received study drug without regard to possibility of causal relationship. An AE was assessed according to severity; mild (not causing any significant problem, dose adjustment not required), moderate (caused problem that does not interfere significantly with usual activities or the clinical status, dose adjustment needed due to adverse event) and severe (caused problem that interferes significantly with usual activities or the clinical status, study drug stopped due to adverse event).
Day 1 up to Day 85
Number of Participants With Treatment Related Adverse Events (AEs) and Serious Adverse Events (SAEs)
Time Frame: Day 1 up to Day 85
An AE was any untoward medical occurrence attributed to study drug in a participant who received study drug. SAE was an AE resulting in any of the following outcomes or deemed significant for any other reason: death; initial or prolonged inpatient hospitalization; life-threatening experience (immediate risk of dying); persistent or significant disability/incapacity; congenital anomaly.
Day 1 up to Day 85
Number of Participants With Injection Site Reactions
Time Frame: Day 1 up to Day 3
The injection site reaction included erythema, induration, ecchymosis, injection site pain, injection site pruritus.
Day 1 up to Day 3
Number of Injection Site Reactions Reported as Adverse Events
Time Frame: Day 1 up to Day 3
The injection site reactions included erythema, induration, ecchymosis, injection site pain and injection site pruritus. An adverse event was any untoward medical occurrence in a participant who received study drug without regard to possibility of causal relationship.
Day 1 up to Day 3
Visual Analogue Scale (VAS)
Time Frame: Day 1: Immediately post-dose, 0.5, 1.0, 2.0, 8.0 hours post-dose; Day 2, 3
Participants indicated the amount of pain experienced due to study drug injection, on a VAS of 0 (no pain) to 100 (very severe pain), where higher scores indicate higher intensity of pain.
Day 1: Immediately post-dose, 0.5, 1.0, 2.0, 8.0 hours post-dose; Day 2, 3
Number of Participants With Clinically Significant Laboratory Abnormalities
Time Frame: Day 1 up to Day 85
Laboratory parameters evaluated for abnormalities were: hematology (hemoglobin [Hgb], hematocrit, red blood cell [RBC] count, platelets, white blood cell count [WBC], lymphocytes, total neutrophils, basophils, eosinophils, monocytes); coagulation (partial thromboplastin time, prothrombin time [PT], PT international ratio); clinical chemistry (glucose, creatine kinase, amylase, lipase); liver function (total, direct and indirect bilirubin, aspartate aminotransferase [AT], alanine AT, gamma-glutamyl transferase, alkaline phosphatase, total protein, albumin, lactate dehydrogenase); renal function (blood urea nitrogen, creatinine, uric acid); urinalysis (urine- specific gravity, pH, glucose, ketones, blood/Hgb, nitrite, leukocyte, esterase, RBC, WBC, epithelial cells, hyaline cast and bacteria); lipid (cholesterol); electrolytes (sodium, potassium, chloride, calcium, magnesium, phosphate, bicarbonate). Clinical significance of laboratory abnormalities were judged by investigator.
Day 1 up to Day 85
Number of Participants With Clinically Significant Changes in Vital Signs
Time Frame: Day 1 up to Day 85
Vital signs abnormalities included: maximum increase or decrease from baseline in supine systolic blood pressure (BP) greater than or equal to (>=) 30 millimeter of mercury (mmHg); maximum increase or decrease from baseline in supine diastolic BP of >=20 mmHg; supine pulse rate less than (<) 40 beats per minute (bpm) and greater than (>) 120 bpm; standing pulse rate less than (<) 40 beats per minute (bpm) and greater than (>) 140 bpm. Clinical significance of vital signs were judged by investigator.
Day 1 up to Day 85
Number of Participants With Clinically Significant Changes in Electrocardiogram (ECG)
Time Frame: Day 1 up to Day 85
ECG abnormalities included 1) PR interval: maximum >=300 maximum millisecond (msec), increase of >=25 percent (%) for baseline value of >200 msec and maximum increase of >=50% for baseline value of less than or equal to (<=) 200 msec; 2) QRS interval: maximum >=200 msec, maximum increase of >=25 % for baseline value of >100 msec and maximum increase of >=50% for baseline value of <=100 msec; 3) QT interval corrected using the Fridericia's formula (QTCF): 450 msec to <= 480 msec, 480 msec to <=500 msec, > 500 msec, maximum increase from baseline of >30 to <=60 msec and maximum increase from baseline of >60 msec. Clinical significance of ECG were judged by investigator.
Day 1 up to Day 85
Percentage of Participants With Positive Anti-drug (Anti-PF 04950615) Antibodies
Time Frame: Day 1 up to Day 85
Human serum samples of participants who received PF-04950615 were analyzed for the presence of anti-PF-04950615 antibodies by using the semi quantitative enzyme-linked immunosorbent assay (ELISA).
Day 1 up to Day 85

Collaborators and Investigators

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

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Pfizer

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.

General Publications

Helpful Links

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 (Actual)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
October 1, 2011

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
February 1, 2012

Study Completion (Actual)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
April 1, 2012

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
September 7, 2011

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
September 15, 2011

First Posted (Estimate)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
September 16, 2011

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
July 23, 2018

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
October 6, 2017

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
October 1, 2017

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • B1481006

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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