Skip to main content
OpenTrials
Completed

NCT Number: NCT00970593

Study Evaluating Safety, Tolerability, And Action Of OAP-189 In Subjects With Type 2 Diabetes On Metformin

This is a study to evaluate the safety, tolerability, and activity of OAP-189 in subjects with type 2 diabetes who are taking metformin for their diabetes.

Completed

Looking for future studies?

Notify Me

Key information

Conditions

Diabetes Mellitus Endocrine System Diseases Glucose Metabolism Disorders Metabolic Diseases Nutritional and Metabolic Diseases

Age range

18 year–65 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 1

Primary location

Profil Institute for Clincal Research, Chula Vista, California, United States

Loading trial locations.

Who can participate

Healthy volunteers accepted: No

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

Inclusion criteria

  • Subjects must have been diagnosed with type 2 diabetes, with HbA1c level >=7.0% and <=11.0% and a fasting glucose level <=280 mg/dL.
  • Men or women of nonchildbearing potential (WONCBP), aged 18 to 65 years inclusive on study day 1.
  • Body mass index in the range of 27 to 40kg/m² (inclusive) and body weight >=50 kg.
  • Subjects must be otherwise generally healthy, but may be enrolled with a stable chronic illness, if it is well controlled and does not interfere with the primary objective of the study.
  • Subjects must currently be treated for diabetes with metformin alone at a total daily dose of >=1gm (administered QD or BID) and that dose must have been stable for at least 4 weeks before study day 1.
  • Nonsmoker.

Exclusion criteria

  • Any significant disease with the exception of diabetes mellitus.
  • Any surgical or medical condition that may interfere with the absorption, distribution, metabolism, or excretion of the investigational product.
  • Acute disease state (eg, nausea, vomiting, fever, or diarrhea) within 7 days before study day 1.
  • Any clinically important problems in physical examination results, vitals sign measurements, ECGs, or clinical laboratory test results.
  • Positive serologic findings for human immunodeficiency virus (HIV) antibodies, hepatitis B surface antigen (HBsAg), and/or hepatitis C virus (HCV) antibodies.
  • Positive findings of urine drug screen
  • Use of any investigational or non-permitted prescription drug within 30 days before investigational product administration.

Treatment and study plan

OAP-189

Drug

Group 1: OAP-189 BID (0.2 mg BID) x 7 days Group 2: OAP-189 (0.4 mg BID) x 7 days Group 3: OAP-189 QD (0.9 mg x 7 days followed by 1.2 mg x 7 days; MR formulation) Group 4: OAP-189 QD (1.2 mg x 7 days followed by 1.6 mg x 7 days; MR formulation) Group 5: OAP-189 QD (1.2 mg x 7 days followed by 1.6 mg x 7 days; different MR formulation) Group 6: OAP-189 QD (1.2 mg x 7 days followed by 1.6 mg x 7 days; different MR formulation)

placebo comparator

Drug

Group 1 & 2: PBO x 7 days BID Group 3: PBO QD x 14 days Group 4: PBO QD x 14 days Group 5: PBO QD x 14 days Group 6: PBO QD x 14 days

Primary outcomes

  1. Number of Participants With Clinically Significant Physical Examination Abnormalities

    Time frame: Baseline up to 17 days after last dose of study drug (Day 31)

    Physical examination included examination of skin, head, eyes, ears, nose, throat (HEENT), heart, lungs, abdomen, extremities, neurological function, back and lymph nodes. Clinically significant physical examination abnormalities were considered as adverse events based on investigator's discretion.

  2. Number of Participants With Clinically Significant Vital Signs Abnormalities

    Time frame: Baseline up to 17 days after last dose of study drug (Day 31)

    Criteria for clinically significant vital sign abnormalities: sitting systolic blood pressure (SBP) of (greater than equal to) >=160 millimeter of mercury (mmHg), (less than equal to) <=90 mmHg, >=20 mmHg increase and decrease from baseline; sitting diastolic blood pressure (DBP) of >=100 mmHg, <=50 mmHg, >=15 mmHg increase and decrease from baseline; heart rate of >=120 beats per minute (bpm), <=45 bpm, (greater than) >15 bpm increase and decrease from baseline, orthostatic SBP: decrease of >=20 mm Hg from sitting value, orthostatic DBP: decrease of >=20 mm Hg from sitting value, orthostatic heart rate: increase of >=30 bpm from sitting value, oral temperature of (less than) <35 or >38.3 degree celsius, respiratory rate of <10 or >25 breaths per minute, weight: maximum increase or decrease of >=7 percent (%) from baseline.

  3. Number of Participants With Clinically Significant 12-Lead Electrocardiogram (ECG) Abnormalities

    Time frame: Baseline up to 17 days after last dose of study drug (Day 31)

    Criteria for clinically significant ECG abnormalities: PR interval >=220 millisecond (msec) or a change of >=20 msec from baseline values, QRS interval >=120 msec, QTc interval >450 msec (in males) and >470 msec (in females).

  4. Number of Participants With Clinically Significant Laboratory Abnormalities

    Time frame: Baseline up to 17 days after last dose of study drug (Day 31)

    Hematocrit, haemoglobin: decrease of >=0.05 L/L and >=20 g/L from baseline respectively, WBC count:<3*10^9 /L, neutrophils: <1.5*10^9 /L, platelet count: <100*10^9 /L, eosinophil: <0.5*10^9 /L; prothrombin time, partial thromboplastin time >1.5*upper limit of normal (ULN); sodium:>5 mmol/L above ULN or below lower limit of normal(LLN), potassium >0.5 mmol/L above ULN or below LLN, creatinine >1.36*ULN, blood urea nitrogen >1.5*ULN, glucose (fasting) >0.83 mmol/L above ULN or below LLN, glucose (non-fasting) >5 mmol/L above ULN or >0.56 below LLN, calcium, magnesium: Change of >=0.25 and >=0.21 mmol/L from baseline respectively, phosphorus >0.162 mmol/L above ULN or below LLN, total protein, albumin, uric acid: change of >=20g/L, >=10 g/L, >0.119 mmol/L from baseline respectively, creatinine kinase >3*ULN, total cholesterol >7.77 mmol/L, triglycerides >3.39 mmol/L: AST, ALT, total bilirubin >2*ULN, alkaline phosphatase >1.5*ULN, alpha-glumatyl transferase, lactate dehydrogenase >3*ULN.

  5. Number of Participants With Injection Site Reactions

    Time frame: Baseline up to 17 days after last dose of study drug (Day 31)

    Injection site reactions included irritation, erythema, pain, hematoma, inflammation.

  6. Number of Participants With Clinically Significant Fasting Glucose Level Abnormalities

    Time frame: Baseline up to 17 days after last dose of study drug (Day 31)

    Criteria: Blood glucose levels >15 milligram per deciliter (mg/dL) above ULN or >15 mg/dL below LLN.

  7. Number of Participants With Hypoglycaemia

    Time frame: Baseline up to 17 days after last dose of study drug (Day 31)

    Hypoglycaemia is a condition characterized by abnormally low blood glucose (blood sugar) levels, usually <=50 mg/dL.

  8. Number of Participants With Drug-Induced Liver Injury

    Time frame: Baseline up to 17 days after last dose of study drug (Day 31)

    Criteria for drug induced liver injury: Levels of aspartate transaminase (AST) or alanine transaminase (ALT) should be >= 3 times ULN concurrent with a total bilirubin of >=2 times ULN with no evidence of hemolysis and an alkaline phosphatase should be <=2 times ULN.

  9. Change From Baseline in Predose Fasting Glucose Levels at Day 8

    Time frame: Baseline, Day 8

    Fasting glucose levels were determined before administration of OAP-189 using a glucometer.

  10. Change From Baseline in Predose Fasting Glucose Levels at Day 15

    Time frame: Baseline, Day 15

    Fasting glucose levels were determined before administration of OAP-189 using a glucometer.

Other outcomes

  1. Plasma Concentration Versus Time Summary of Metformin Following Single Dose of OAP-189

    Time frame: Pre-dose (2 hours before dosing), 1, 2, 3, 4, 6 hours post-dose on Day 14

    Concentration versus time summary was calculated by setting concentration values below the lower limit of quantification (LLOQ =2 nanogram per millliter) to zero. Summary statistics were not to be presented if number of observations above lower limit of quantification (NALQ) =0.

  2. Plasma Concentration Versus Time Summary of Metformin Following Multiple Dose of OAP-189

    Time frame: Pre-dose (2 hours before dosing), 1, 2, 3, 4, 6, 8, 10, 12, 14, 16, 24 hours post-dose on Day 7

    Concentration versus time summary was calculated by setting concentration values below the lower limit of quantification (LLOQ =2 nanogram per millliter) to zero. Summary statistics were not to be presented if number of observations above lower limit of quantification (NALQ) =0.

  3. Plasma Concentration Versus Time Summary of Single Dose of OAP-189

    Time frame: Pre-dose (2 hours before dosing), 2, 4, 6 hours post-dose on Day 7; Pre-dose (2 hours before dosing), 1, 2, 3, 4, 6, 8, 10, 12, 14, 16, 24, 48, 72 hours post-dose on Day 14

    Concentration versus time summary was calculated by setting concentration values below the lower limit of quantification (LLOQ = 0.500 nanogram per millliter) to zero. Summary statistics were not to be presented if number of observations above lower limit of quantification (NALQ) =0.

  4. Plasma Concentration Versus Time Summary of Multiple Dose of OAP-189

    Time frame: Pre-dose (2 hours before dosing), 1, 2, 3, 4, 6, 8, 10, 12, 14, 16, 24 hours post-dose on Day 7

    Concentration versus time summary was calculated by setting concentration values below the lower limit of quantification (LLOQ =0.500 nanogram per millliter) to zero. Summary statistics were not to be presented if number of observations above lower limit of quantification (NALQ) =0.

Sponsors and collaborators

Lead sponsor

Pfizer

Industry

Registry information

Official study title

A RANDOMIZED, PARALLEL-GROUP, OPEN-LABEL, PLACEBO CONTROLLED STUDY OF THE EFFECT OF OAP-189 ON THE PHARMACOKINETICS AND PHARMACODYNAMICS OF METFORMIN IN DIABETIC SUBJECTS.

Acronym: 3283K1-1008-US

Important dates

Study start
2009
Primary completion
2011
Study completion
2011
First posted
Sep 2, 2009
Registry last updated
Nov 2, 2020

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.

Related clinical trials

Published trials that share one or more normalized conditions with this study.