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Completed

NCT Number: NCT00886821

A Safety and Pharmacokinetic Study of CVX-096 in Type 2 Diabetics

The purpose of this study is to determine safety and tolerability of CVX-096 in adult, type 2 diabetic patients.

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Key information

Age range

18 year–70 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 1

Primary location

Cetero Research, Miami Gardens, Florida, United States

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Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Male and/or female patients (females will be women of non-childbearing potential) with an historical diagnosis of type 2 diabetes mellitus, who are currently being treated with metformin at a dose at or near maximum.
  • Hb A1c between 7-10%.
  • Fasting C-peptide >0.4 nmol/L.

Exclusion criteria

  • History of clinically significant chronic conditions other than T2DM not well controlled by either diet or medications.
  • Patients with pancreatitis or considered a high risk for pancreatitis.
  • History of contraindications to metformin therapy.
  • Previous treatment with an approved or investigational GLP 1 mimetic.

Treatment and study plan

CVX-096

Biological

Subcutaneous administration of CVX-096 with doses ranging from 0.1 mg up to a maximum of 36 mg

Primary outcomes

  1. Stage 1: Area Under the Curve From Time Zero to Last Quantifiable Concentration (AUClast) of PF-04856883 on Day 1

    Time frame: pre-dose, 1, 6, 18, 24, 36, 48, 72, 96, 144, and 168 hours post-dose on Day 1

    AUClast was defined as area under the concentration-time curve from time zero to the time of last measured concentration and calculated by using linear up/log down trapezoidal method.

  2. Time to Reach Maximum Observed Plasma Concentration (Tmax) of PF-04856883 on Day 1

    Time frame: Cohort 1-9: pre-dose, 1, 6, 18, 24, 36, 48, 72, 96, 144, and 168 hours post-dose on Day 1; Cohort 10-12: pre-dose, 1 and 6 hours post-dose on Day 1

  3. Stage 1: Time to Reach Maximum Observed Plasma Concentration (Tmax) of PF-04856883 on Day 8

    Time frame: pre-dose, 1, 6, 18, 24, 36, 48, 72, 96, 144, and 168 hours post-dose on Day 8

  4. Stage 2: Time to Reach Maximum Observed Plasma Concentration (Tmax) of PF-04856883 on Day 22

    Time frame: pre-dose, 1 and 6 hours post-dose on Day 22

  5. Maximum Observed Plasma Concentration (Cmax) of PF-04856883 on Day 1

    Time frame: Cohort 1-9: pre-dose, 1, 6, 18, 24, 36, 48, 72, 96, 144, and 168 hours post-dose on Day 1; Cohort 10-12: pre-dose, 1 and 6 hours post-dose on Day 1

  6. Stage 1: Maximum Observed Plasma Concentration (Cmax) of PF-04856883 on Day 8

    Time frame: pre-dose, 1, 6, 18, 24, 36, 48, 72, 96, 144, and 168 hours post-dose on Day 8

  7. Stage 2: Maximum Observed Plasma Concentration (Cmax) of PF-04856883 on Day 22

    Time frame: pre-dose, 1 and 6 hours post-dose on Day 22

Secondary outcomes

  1. Stage 1: Apparent Terminal Elimination Half-Life (t1/2) of PF-04856883 on Day 1

    Time frame: pre-dose, 1, 6, 18, 24, 36, 48, 72, 96, 144, and 168 hours post-dose on Day 1

    Apparent terminal elimination half-life is the time measured for the plasma concentration of PF-04856883 to decrease by one-half of its initial concentration.

  2. Stage 1: Apparent Terminal Half-Life (t1/2) of PF-04856883 on Day 8

    Time frame: pre-dose, 1, 6, 18, 24, 36, 48, 72, 96, 144, and 168 hours post-dose on Day 8

    Apparent terminal elimination half-life is the time measured for the plasma concentration of PF-04856883 to decrease by one-half of its initial concentration.

  3. Stage 2: Apparent Terminal Elimination Half-Life (t1/2) of PF-04856883 on Day 22

    Time frame: pre-dose, 1 and 6 hours post-dose on Day 22

    Apparent terminal elimination half-life is the time measured for the plasma concentration of PF-04856883 to decrease by one-half of its initial concentration.

  4. Stage 1: Mean Residence Time (MRT) of PF-04856883 on Day 1

    Time frame: pre-dose, 1, 6, 18, 24, 36, 48, 72, 96, 144, and 168 hours post-dose Day 1

    MRT is defined as AUMC(0 - inf) divided by AUC(0 - inf), where AUMC(0 - inf) is the area under the first moment curve from time 0 extrapolated to infinite time, calculated using the linear/log trapezoidal method and AUC(0 - inf) is the area under the concentration-time curve extrapolated to infinity.

  5. Stage 1: Apparent Oral Clearance (CL/F) of PF-04856883 on Day 1

    Time frame: pre-dose, 1, 6, 18, 24, 36, 48, 72, 96, 144, and 168 hours post-dose Day 1

    Apparent oral clearance of a drug is a measure of the rate at which a drug is metabolized or eliminated by normal biological processes. It was obtained after oral dose (apparent oral clearance) is influenced by the fraction of the dose absorbed. Drug apparent oral clearance is a quantitative measure of the rate at which a drug substance is removed from the blood.

  6. Stage 1: Area Under the Curve From Time Zero to Extrapolated Infinite Time (AUC[0 - Inf]) of PF-04856883 on Day 1

    Time frame: pre-dose, 1, 6, 18, 24, 36, 48, 72, 96, 144, and 168 hours post-dose Day 1

    AUC(0 - inf) = Area under the plasma concentration versus time curve (AUC) from time zero (pre-dose) to extrapolated infinite time (0 - inf). It was calculated as AUC (0-t) plus (last measurable concentration divided by apparent terminal elimination rate constant).

Other outcomes

  1. Number of Participants With Treatment-emergent Adverse Events (AEs) and Serious Adverse Events (SAEs)

    Time frame: Cohort 1-8: Baseline up to Day 29; Cohort 9: Baseline up to Day 36; Cohort 10-12: Baseline up to Day 50

    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. Treatment-emergent are events between first dose of study drug and up to 28 days after last dose that were absent before treatment or that worsened relative to pretreatment state.

  2. Stage 1: Change From Baseline in Post-Prandial Area Under the Curve (AUC) of Glucose at Day 3 and 7

    Time frame: Baseline, Day 3 and 7

    Area under the glucose concentration-time curve from 0 minute (approximately 20 minutes prior to the meal) to 180 minutes post initiation of meal.

  3. Stage 1: Change From Baseline in 7-point Weighted Mean Glucose at Day 3 and Day 7

    Time frame: Baseline, Day 3 and 7

    It was assessed by 7-point glucose measurements via the glucose oxidase method.

  4. Number of Participants With Clinically Significant Laboratory Abnormalities

    Time frame: Cohort 1-8: Baseline up to Day 28; Cohort 9: Baseline up to Day 35; Cohort 10-12; Baseline up to Day 50

    Criteria for laboratory abnormalities: Hemoglobin (Hgb), hematocrit: less than (<) 0.8*lower limit of normal (LLN), platelet: <75 or greater than (>) 700*10^3/millimeter (mm)^3*upper limit of normal (ULN), leukocyte: <2.5 or >17.5*10^3/mm^3*ULN; total bilirubin 1.5*ULN, aspartate aminotransferase, alanine aminotransferase, alkaline phosphatase, gamma-glutamyl transferase: >3.0*ULN, total protein, albumin: <0.8*LLN or >1.2*ULN ;blood urea nitrogen, creatinine: >1.3*ULN, uric acid >1.2*ULN; sodium <0.95*LLN or >1.05*ULN, potassium, calcium: <0.9*LLN or >1.1*ULN, albumin, total protein <0.8*LLN or >1.2*ULN; glucose <0.6*LLN or >1.5*ULN, creatine kinase >2.0*ULN; urine (red blood cell, white blood cell >6/high power field).

  5. Number of Participants With Clinically Significant Vital Signs

    Time frame: Cohort 1-8: Baseline up to Day 28; Cohort 9: Baseline up to Day 35; Cohort 10-12; Baseline up to Day 50

    Criteria for vital signs: pulse rate <40 beats per minute (bpm), supine, sitting and erect pulse rate <40 bpm, supine pulse rate >120 bpm, sitting pulse rate >120 bpm, and erect pulse rate >120 bpm; systolic blood pressure: SBP <90 millimeters of mercury (mmHg), change from baseline in SBP greater than or equal to (>=) 30 mmHg; diastolic blood pressure: DBP <50 mmHg, change from baseline in DBP >=20 mmHg.

  6. Number of Participants With Clinically Significant Electrocardiogram (ECG) Findings

    Time frame: Cohort 1-8: Baseline up to Day 28; Cohort 9: Baseline up to Day 35; Cohort 10-12; Baseline up to Day 50

    Criteria for ECG findings: PR interval >=300 millisecond (msec), >=25 percent increase when baseline >200 msec, and >=50 percent increase when baseline less than or equal to (<=) 200 msec; QRS interval >=200 msec, >=25 percent increase when baseline >=100 msec, and >=50 percent increase when baseline <=100 msec; QT/QTc interval (corrected QT interval) >=500 msec.

  7. Number of Participants With Clinically Significant Physical Examinations

    Time frame: Cohort 1-8: Baseline up to Day 28; Cohort 9: Baseline up to Day 35; Cohort 10-12; Baseline up to Day 50

    Full physical examination included examination of the skin, eyes, ears, throat, neck, and cardiac, respiratory, gastrointestinal and musculoskeletal systems. The examination assessed the participants for any clinically significant changes in physical status, as determined by the investigator.

  8. Stage 1: Number of Participants With Hypoglycemia

    Time frame: Day 1: 0 hour (pre-dose) up to 48 hours post dose

    Blood glucose level was checked for hypoglycemia by glucometer. Criteria for hypoglycemia: blood glucose level <60 mg/dL if accompanied by symptoms, blood glucose level <=50 mg/dL regardless of symptoms.

  9. Stage 1: Number of Participants With Clinically Significant Abnormal Rhythms

    Time frame: Cohort 1- 8: Day 1 up to Day 3; Cohort 9: Day 1 up to Day 10

    Criteria for abnormal rhythms: asymptomatic marked sinus bradycardia rate <35 bpm; asymptomatic supraventricular couplets, atrial bigeminy lasting >30 seconds; asymptomatic ventricular couplets, ventricular bigeminy lasting >30 seconds; asymptomatic type I second degree (wenckebach) atrioventricular block of >30 seconds duration; asymptomatic frequent premature ventricular complexes (=>200/24 hours); asymptomatic frequent premature atrial complexes (=>240/24 hours).

  10. Stage 1: Number of Participants With Anti-Drug Antibodies

    Time frame: Day 0, 8, 14, 15, 21, 28 and 35

  11. Stage 2: Number of Participants With Anti-Drug Antibodies

    Time frame: Day 0, 29 and 50

Sponsors and collaborators

Lead sponsor

Pfizer

Industry

Registry information

Official study title

A Phase 1, Placebo-controlled, Randomized Study To Assess The Safety, Tolerability, Pharmacokinetics, And Pharmacodynamics Following Escalating Subcutaneous Doses Of Cvx-096 In Type 2 Diabetic Adult Subjects

Important dates

Study start
2008
Primary completion
2011
Study completion
2011
First posted
Apr 23, 2009
Registry last updated
Apr 18, 2017

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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