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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT01435382
Other study ID # B1481006
Secondary ID
Status Completed
Phase Phase 1
First received
Last updated
Start date October 2011
Est. completion date April 2012

Study information

Verified date October 2017
Source Pfizer
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

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.


Recruitment information / eligibility

Status Completed
Enrollment 49
Est. completion date April 2012
Est. primary completion date February 2012
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years and older
Eligibility 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 Design


Intervention

Biological:
PF-04950615 (RN316)
Dose A - single-dose intravenous infusion
PF-04950615 (RN316)
Dose B - single-dose subcutaneous injection
PF-04950615 (RN316)
Dose C - single-dose subcutaneous injection
PF-04950615 (RN316)
Dose D - single-dose subcutaneous injection

Locations

Country Name City State
United States PAREXEL International - Baltimore Early Phase Clinical Unit Baltimore Maryland
United States Profil Institute for Clinical Research, Inc. Chula Vista California
United States Medpace Clinical Pharmacology Unit Cincinnati Ohio
United States Jasper Clinic, Inc. Kalamazoo Michigan
United States Elite Research Institute Miami Florida
United States Vince and Associates Clinical Research Overland Park Kansas
United States Prism Research Saint Paul Minnesota

Sponsors (1)

Lead Sponsor Collaborator
Pfizer

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Other Number of Participants With Treatment-Emergent Adverse Events (AEs) and Serious Adverse Events (SAEs) 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
Other Number of Adverse Events (AEs) by Severity 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
Other Number of Participants With Treatment Related Adverse Events (AEs) and Serious Adverse Events (SAEs) 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
Other Number of Participants With Injection Site Reactions The injection site reaction included erythema, induration, ecchymosis, injection site pain, injection site pruritus. Day 1 up to Day 3
Other Number of Injection Site Reactions Reported as Adverse Events 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
Other Visual Analogue Scale (VAS) 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
Other Number of Participants With Clinically Significant Laboratory Abnormalities 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
Other Number of Participants With Clinically Significant Changes in Vital Signs 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
Other Number of Participants With Clinically Significant Changes in Electrocardiogram (ECG) 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
Other Percentage of Participants With Positive Anti-drug (Anti-PF 04950615) Antibodies 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
Primary Maximum Observed Plasma Concentration (Cmax) of PF-04950615 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
Primary Time to Reach Maximum Observed Plasma Concentration (Tmax) of PF-04950615 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
Primary Area Under the Plasma Concentration-Time Curve From Time Zero to Time of Last Quantifiable Concentration (AUClast) of PF-04950615 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
Primary Area Under the Plasma Concentration-Time Curve From Time Zero To Infinity (AUCinf) of PF-04950615 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
Primary Apparent Clearance (CL/F) of PF-04950615 Subcutaneous Groups 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
Primary Clearance (CL) of PF-04950615 Intravenous Group 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
Primary Apparent Volume of Distribution (Vz/F) of PF-04950615 Subcutaneous Groups 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
Primary Volume of Distribution at Steady State (Vss) of PF-04950615 Intravenous Group 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
Primary Terminal Elimination Half-life (t1/2) of PF-04950615 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
Primary Absolute Bioavailability of PF-04950615 Subcutaneous Groups 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 Absolute Value of Fasting Low-density Lipoprotein Cholesterol (LDL-C) Day 2, 3, 4, 5, 6, 8, 15, 22, 29, 36, 43, 50, 57, 64, 71, 85
Secondary 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 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
Secondary Duration of Fasting LDL-C Suppressed Below 70 mg/dL and 100 mg/dL Day 1 up to Day 85
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