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Phase 2 N=46 Randomized Quadruple-blind Basic Science

3 Month PHI PAD PoM Study

Vascular Disease, Peripheral

Enrolled (actual)
46
Serious AEs
3.4%
Results posted
Oct 2017
Primary outcome: Primary: Number of Participants With Adverse Events (AE) and Serious Adverse Events (SAE) — 14; 6; 9; 3 Participants

Study Design & Population

Study type
Interventional
Phase
Phase 2
Interventions
GSK1278863 (Drug); Placebo (Drug)
Age
Adult, Older Adult · 40+ yrs
Sex
All
Sponsor
GlaxoSmithKline
Primary completion
Nov 2011

Outcome Measures

OutcomeResultp-value
PRIMARY
Number of Participants With Adverse Events (AE) and Serious Adverse Events (SAE)
14; 6; 9; 3; 2; 0
PRIMARY
Number of Participants With Abnormal Electrocardiogram (ECG) Findings
14; 16; 0; 0; 15; 14
PRIMARY
Number of Participants With Vital Signs of Potential Clinical Importance
3; 1; 2; 3
PRIMARY
Number of Participants With Clinical Chemistry Abnormalities of Potential Clinical Importance
5; 2; 5; 3; 0; 0
PRIMARY
Number of Participants With Clinical Hematology Abnormalities of Potential Clinical Importance
0; 0
SECONDARY
Change From Baseline in Total Number of Contractions to Onset of Claudication
2.52; -1.67; 3.77; -0.94; 5.68; -1.56
SECONDARY
Change From Baseline in Total Work Performed to Onset of Claudication
14.66; -8.12; 12.46; -14.61; 24.17; -15.69
SECONDARY
Change From Baseline in Total Exercise Time to Onset of Claudication
4.39; -3.34; 8.00; -3.96; 10.50; -3.71
SECONDARY
Change From Baseline in Total Number of Contractions to Claudication-limited Maximal Muscle Performance
1.00; -2.17; 1.48; -0.94; 4.55; -1.83
SECONDARY
Change From Baseline in Total Work Performed to Claudication-limited Maximal Muscle Performance
11.32; -6.20; 5.11; -11.35; 22.20; -10.84
SECONDARY
Change From Baseline in Total Exercise Time to Claudication-limited Maximal Muscle Performance
0.15; -5.41; 2.18; -5.06; 5.71; -4.91
SECONDARY
Change From Baseline in the Maximal Distance Covered During a Six-Minute Walk Test
-52.88; -11.60; -42.25; -7.11; 8.43; -31.89
SECONDARY
Change From Baseline in Erythropoietin Concentration
8.10; -2.54; 53.98; -2.25; 907.43; -0.79
SECONDARY
Change From Baseline in Hemoglobin
1.29; -0.84; 0.91; -0.44; 9.13; -1.42
SECONDARY
Change From Baseline in Hematocrit
0.00; -0.00; 0.00; 0.00; 0.03; -0.00
SECONDARY
Change From Baseline in High Sensitivity C-reactive Protein (hsCRP)
2.51; -0.08; 1.12; 0.21; 1.32; 0.72
SECONDARY
Change From Baseline in Lipids (Total Cholesterol [TC], Triglycerides [TG], High Density Lipoprotein Cholesterol [HDLc] and Low Density Lipoprotein Cholesterol [LDLc])
-0.69; 0.20; -0.48; 0.02; 0.27; -0.52
SECONDARY
Derived Plasma GSK1278863 Pharmacokinetic Parameter- Maximum Plasma Concentration (Cmax) and Trough Concentration (Ctau)
3416.37; 197.28; 6.672; 1.357
SECONDARY
Derived Plasma GSK1278863 Pharmacokinetic Parameter -Area Under the Curve (AUC [0-t])
13059.70; 383.81
SECONDARY
Derived Plasma GSK1278863 Pharmacokinetic Parameter - Time to Maximum Plasma Concentration (T-max) and Last Time Point Where the Concentration is Above the Limit of Quantification (T-last)
1.016; 1.000; 22.417; 3.500
SECONDARY
Relationship of Pharmacokinetic Parameters to the Pharmacodynamic Assessments Performed in This Study

Summary

This is a multi-center, randomized, blinded, placebo controlled study to evaluate the safety of GSK1278863 and its acute and short-term (e.g. 14d) effects on calf muscle endurance and walking ability in subjects with PAD and symptomatic claudication.

Eligibility Criteria

Inclusion Criteria

  • Subjects ≥ 40 years of age.
  • Male subjects must use one of the contraceptive methods listed in Section 8.1 for 90 days post-last dose.
  • Females must be postmenopausal, surgically sterilized, or practicing a suitable method of birth control so that in the opinion of the investigator they will not become pregnant during the course of the study.

A female subject is eligible to participate if she is of child-bearing potential and agrees to use one of the contraception methods listed in Section 8.1 for an appropriate period of time (as determined by the product label or investigator) prior to the start of dosing to sufficiently minimize the risk of pregnancy at that point. Female subjects must agree to use contraception until 30 days post-last dose.

  • Peripheral artery disease defined as an ankle-brachial index (ABI) at rest ≤ 0.90 in at least one leg in which the patient experiences claudication. For all subsequent evaluations, the Index Leg refers to the symptomatic leg with the lowest ABI.
  • Claudication symptoms with stable severity for at least 3 months prior to screening.
  • The patient is able to provide written informed consent to participate in this study.
  • AST and ALT 1.5xULN is acceptable if bilirubin is fractionated and direct bilirubin 15.5 g/dL Female subjects: > 14.5 g/dL
  • Active malignancy or diagnosis of malignancy within 5 years prior to screening (excluding successfully treated basal or squamous cell carcinoma).
  • Other clinically significant cardiovascular, pulmonary, renal, endocrine, hepatic, neurological, psychiatric, immunological, gastrointestinal, hematological, or metabolic disease that is, in the opinion of the Investigator or the Medical Monitor, not stabilized or may otherwise confound the results of the study.
  • Patients with a baseline medical history of proliferative diabetic retinopathy, preproliferative diabetic retinopathy, or wet age-related macular degeneration (AMD)
  • Previously enrolled in a gene therapy clinical study unless patient was randomized to placebo.
  • Plans to initiate a formal exercise training program during the course of the study, or initiation of a formal exercise training program within 3 months prior to screening.
  • Poorly controlled hypertension (defined as seated resting BP >160 mmHg systolic or > 95 mmHg diastolic, or both).
  • Hypotension (defined as seated resting BP 10%.
  • Creatinine > 2.5 mg/dL or undergoing hemodialysis.
  • Thrombocytopenia defined as platelet count 1.5.
  • A positive Hepatitis B surface antigen or positive Hepatitis C antibody result if performed within 3 months of screening (testing not required at Screening).
  • History of alcohol or drug abuse, or a significant medical or psychiatric disorder that may impair compliance with the requirements of the protocol.
  • The patient has received an investigational drug within 30 days prior to this study.
  • The patient is enrolled or plans to enroll in another clinical trial during this study
  • History of venous thrombosis, defined as deep vein thrombosis, pulmonary embolism or other venous thrombotic condition, within 1 year prior to Screening.
  • Acute peptic ulcer disease or history of chronic rectal bleeding.
  • Patients with a pre-existing condition interfering with normal gastrointestinal anatomy or motility, and/or hepatic function that could interfere with the absorption, metabolism, and/or excretion of the study drugs. Examples of conditions that could interfere with normal gastrointestinal anatomy or motility include gastrointestinal bypass surgery, partial or total gastrectomy, small bowel resection, vagotomy, malabsorption, Crohn's disease, ulcerative colitis, or celiac sprue.
  • Use of prescription drugs within 7 days prior to first dose of study drug (Day 1) until after completion of all study drug doses and Day 35 assessments:

which are known to be inhibitors of CYP 2C8 OR which are known to be both CYP 2C8 and OATP1B1 substrates OR which rely mainly on OATP1B1/1B3 for he

View full record on ClinicalTrials.gov →

Data sourced from ClinicalTrials.gov (NCT02135848). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication.

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