Bioequivalence Study of Saxagliptin and Glucophage Combination Formulations in Healthy Subjects (A)

May 8, 2015 updated by: AstraZeneca

Bioequivalence Study of the Fixed Dose Combination of 2.5 mg Saxagliptin and 500 mg Metformin Immediate Release (IR) Tablet Relative to 2.5 mg Saxagliptin Tablet and 500 mg Metformin IR Tablet Co-administered to Healthy Subjects in a Fasted and in a Fed State

To demonstrate bioequivalence of a 2.5 mg saxagliptin/500 mg metformin (glucophage) immediate release (IR) fixed dose combination (FDC) tablet to the 2.5 mg saxagliptin tablet and 500 mg metformin IR tablet co-administered to healthy subjects in a fasted and in a fed state.

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.
24

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
    • Nebraska
      • Lincoln, Nebraska, United States, 68502
        • MDS Pharma Services

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

19 years to 45 years (Adult)

Accepts Healthy Volunteers

Yes

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Men and women ages 19 to 45 inclusive
  • Healthy subjects as determined by no clinically significant deviation from normal in medical history, physical examination, electrocardiograms (ECGs), and clinical laboratory determinations
  • Body Mass Index (BMI) of 18 to 32 kg/m2, inclusive. BMI = weight (kg)/ [height (m)]2

Exclusion Criteria:

  • Women of child-bearing potential (WOCBP) who are unwilling or unable to use acceptable barrier methods (condoms and spermicides) to avoid pregnancy for the entire study period and for up to 8 weeks after the last dose of investigational product
  • Any significant acute or chronic medical illness
  • Current or recent (within 3 months) gastrointestinal disease
  • Any major surgery within 4 weeks of study drug administration
  • History of allergy to Dipeptidyl peptidase 4 (DPP4) inhibitor or related compounds
  • History of allergy or intolerance to metformin or other similar acting agents
  • Prior exposure to saxagliptin
  • Prior exposure to metformin within 3 months of study drug administration.
  • Estimated creatinine clearance (Clcr) of < 80ml/min using the Cockcroft Gault formula

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

  • Allocation: Randomized
  • Interventional Model: Crossover 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: S+ M, (fasted)> S/M (fed)> S/M (fasted)>S+M (fed)
Participants were randomized to receive oral co-administration of a 2.5 mg tablet of saxagliptin plus a 500 mg tablet of metformin immediate release (IR) under fasted conditions (S + M [fasted]) followed by a fixed dose combination (FDC) tablet of 2.5 mg saxagliptin/500 mg metformin IR under fed conditions (S/M [fed]) followed by S/M under fasting conditions (S/M [fasted]) followed by S + M under fed conditions (S + M [fed])
Drug: Co-administration of Saxagliptin and Metformin IR, Fasted
Participants received oral co-administration of a 2.5 mg tablet of saxagliptin and a 500 mg tablet of metformin immediate release (IR) under fasted conditions
Other Names:
  • Onglyza
Drug: Saxagliptin/Metformin, Fasting
Participants received a single oral dose of a fixed dose combination (FDC) tablet of 2.5 mg saxagliptin/500 mg metformin IR under fasting conditions
Other Names:
  • Onglyza
  • Glucophage
Drug: Co-administration of Saxagliptin and Metformin IR, Fed
Participants received oral co-administration of a 2.5 mg tablet of saxagliptin and a 500 mg tablet of metformin immediate release (IR) under fed conditions
Drug: Saxagliptin/Metformin, Fed
Participants received a single oral dose of a fixed dose combination (FDC) tablet of 2.5 mg saxagliptin/500 mg metformin IR under fed conditions
Experimental: S/M (fasted)> S+M (fasted)> S+M (fed)> S/M (fed)
Participants were randomized to receive S/M (fasted) followed by S + M (fasted) followed by S + M (fed) followed by S/M (fed)
Drug: Co-administration of Saxagliptin and Metformin IR, Fasted
Participants received oral co-administration of a 2.5 mg tablet of saxagliptin and a 500 mg tablet of metformin immediate release (IR) under fasted conditions
Other Names:
  • Onglyza
Drug: Saxagliptin/Metformin, Fasting
Participants received a single oral dose of a fixed dose combination (FDC) tablet of 2.5 mg saxagliptin/500 mg metformin IR under fasting conditions
Other Names:
  • Onglyza
  • Glucophage
Drug: Co-administration of Saxagliptin and Metformin IR, Fed
Participants received oral co-administration of a 2.5 mg tablet of saxagliptin and a 500 mg tablet of metformin immediate release (IR) under fed conditions
Drug: Saxagliptin/Metformin, Fed
Participants received a single oral dose of a fixed dose combination (FDC) tablet of 2.5 mg saxagliptin/500 mg metformin IR under fed conditions
Experimental: S+M (fed)> S/M (fasted) >S/M (fed)> S+M (fasted)
Participants were randomized to receive S + M (fed) followed by S/M (fasted) followed by S/M (fed) followed by S+M (fasted)
Drug: Co-administration of Saxagliptin and Metformin IR, Fasted
Participants received oral co-administration of a 2.5 mg tablet of saxagliptin and a 500 mg tablet of metformin immediate release (IR) under fasted conditions
Other Names:
  • Onglyza
Drug: Saxagliptin/Metformin, Fasting
Participants received a single oral dose of a fixed dose combination (FDC) tablet of 2.5 mg saxagliptin/500 mg metformin IR under fasting conditions
Other Names:
  • Onglyza
  • Glucophage
Drug: Co-administration of Saxagliptin and Metformin IR, Fed
Participants received oral co-administration of a 2.5 mg tablet of saxagliptin and a 500 mg tablet of metformin immediate release (IR) under fed conditions
Drug: Saxagliptin/Metformin, Fed
Participants received a single oral dose of a fixed dose combination (FDC) tablet of 2.5 mg saxagliptin/500 mg metformin IR under fed conditions
Experimental: S/M (fed)> S+M (fed)> S+M (fasted)> S/M (fasted)
Participants were randomized to receive S/M (fed) followed by S+M (fed) followed by S+M (fasted) followed by S/M (fasted)
Drug: Co-administration of Saxagliptin and Metformin IR, Fasted
Participants received oral co-administration of a 2.5 mg tablet of saxagliptin and a 500 mg tablet of metformin immediate release (IR) under fasted conditions
Other Names:
  • Onglyza
Drug: Saxagliptin/Metformin, Fasting
Participants received a single oral dose of a fixed dose combination (FDC) tablet of 2.5 mg saxagliptin/500 mg metformin IR under fasting conditions
Other Names:
  • Onglyza
  • Glucophage
Drug: Co-administration of Saxagliptin and Metformin IR, Fed
Participants received oral co-administration of a 2.5 mg tablet of saxagliptin and a 500 mg tablet of metformin immediate release (IR) under fed conditions
Drug: Saxagliptin/Metformin, Fed
Participants received a single oral dose of a fixed dose combination (FDC) tablet of 2.5 mg saxagliptin/500 mg metformin IR under fed conditions

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
Saxagliptin Mean Maximum Observed Plasma Concentration (Cmax)
Time Frame: Day 1: 0 hr, 0.25 hr, 0.5 hr, 0.75 hr, 1 hr, 1.5 hr, 2 hr, 3 hr, 4 hr, 6 hr, 8 hr, 12 hr, 18 hr, Day 2: 0 hr, 12 hr, Day 3: 0 hr
Cmax of single-dose saxagliptin (2.5 mg), either coadministered with metformin IR (500 mg), or administered as FDC 2.5 mg saxagliptin/500 mg metformin IR, under fasted and fed conditions.
Day 1: 0 hr, 0.25 hr, 0.5 hr, 0.75 hr, 1 hr, 1.5 hr, 2 hr, 3 hr, 4 hr, 6 hr, 8 hr, 12 hr, 18 hr, Day 2: 0 hr, 12 hr, Day 3: 0 hr
Saxagliptin Mean Area Under the Plasma Concentration Time Curve From Time Zero To Time of Last Quantifiable Concentration (AUC [0-T]}
Time Frame: Day 1: 0 hr, 0.25 hr, 0.5 hr, 0.75 hr, 1 hr, 1.5 hr, 2 hr, 3 hr, 4 hr, 6 hr, 8 hr, 12 hr, 18 hr, Day 2: 0 hr, 12 hr, Day 3: 0 hr
AUC (0-T) for single-dose saxagliptin (2.5 mg), either coadministered with metformin IR (500 mg), or administered as FDC 2.5 mg saxagliptin/500 mg metformin IR, under fasted and fed conditions.
Day 1: 0 hr, 0.25 hr, 0.5 hr, 0.75 hr, 1 hr, 1.5 hr, 2 hr, 3 hr, 4 hr, 6 hr, 8 hr, 12 hr, 18 hr, Day 2: 0 hr, 12 hr, Day 3: 0 hr
Saxagliptin Mean Area Under the Plasma Concentration Time Curve From Time Zero To Infinity (AUC [0-INF])
Time Frame: Day 1: 0 hr, 0.25 hr, 0.5 hr, 0.75 hr, 1 hr, 1.5 hr, 2 hr, 3 hr, 4 hr, 6 hr, 8 hr, 12 hr, 18 hr, Day 2: 0 hr, 12 hr, Day 3: 0 hr
AUC (0-T) for single-dose saxagliptin (2.5 mg), either coadministered with metformin IR (500 mg), or administered as FDC 2.5 mg saxagliptin/500 mg metformin IR, under fasted and fed conditions.
Day 1: 0 hr, 0.25 hr, 0.5 hr, 0.75 hr, 1 hr, 1.5 hr, 2 hr, 3 hr, 4 hr, 6 hr, 8 hr, 12 hr, 18 hr, Day 2: 0 hr, 12 hr, Day 3: 0 hr
Saxagliptin Mean Plasma Half-life (T-half) and Mean Time of Maximum Observed Plasma Concentration (T-max)
Time Frame: Day 1: 0 hr, 0.25 hr, 0.5 hr, 0.75 hr, 1 hr, 1.5 hr, 2 hr, 3 hr, 4 hr, 6 hr, 8 hr, 12 hr, 18 hr, Day 2: 0 hr, 12 hr, Day 3: 0 hr
T-half and T-max for single-dose saxagliptin (2.5 mg), either coadministered with metformin IR (500 mg) or administered as FDC 2.5 mg saxagliptin/500 mg metformin IR, under fasted and fed conditions.
Day 1: 0 hr, 0.25 hr, 0.5 hr, 0.75 hr, 1 hr, 1.5 hr, 2 hr, 3 hr, 4 hr, 6 hr, 8 hr, 12 hr, 18 hr, Day 2: 0 hr, 12 hr, Day 3: 0 hr
Metformin Mean Cmax
Time Frame: Day 1: 0 hr, 0.25 hr, 0.5 hr, 0.75 hr, 1 hr, 1.5 hr, 2 hr, 3 hr, 4 hr, 6 hr, 8 hr, 12 hr, 18 hr, Day 2: 0 hr, 12 hr, Day 3: 0 hr
Cmax of single-dose metformin IR (500 mg), either coadministered with saxagliptin (2.5 mg) or administerd as FDC 2.5 mg saxagliptin/500 mg metformin IR, under fasted and fed conditions.
Day 1: 0 hr, 0.25 hr, 0.5 hr, 0.75 hr, 1 hr, 1.5 hr, 2 hr, 3 hr, 4 hr, 6 hr, 8 hr, 12 hr, 18 hr, Day 2: 0 hr, 12 hr, Day 3: 0 hr
Metformin Mean AUC (0-T)
Time Frame: Day 1: 0 hr, 0.25 hr, 0.5 hr, 0.75 hr, 1 hr, 1.5 hr, 2 hr, 3 hr, 4 hr, 6 hr, 8 hr, 12 hr, 18 hr, Day 2: 0 hr, 12 hr, Day 3: 0 hr
AUC (0-T for single-dose metformin (500 mg), either coadministered with saxagliptin (2.5 mg) or administerd as FDC 2.5 mg saxagliptin/500 mg metformin IR, under fasted and fed conditions.
Day 1: 0 hr, 0.25 hr, 0.5 hr, 0.75 hr, 1 hr, 1.5 hr, 2 hr, 3 hr, 4 hr, 6 hr, 8 hr, 12 hr, 18 hr, Day 2: 0 hr, 12 hr, Day 3: 0 hr
Metformin Mean AUC(0-INF)
Time Frame: Day 1: 0 hr, 0.25 hr, 0.5 hr, 0.75 hr, 1 hr, 1.5 hr, 2 hr, 3 hr, 4 hr, 6 hr, 8 hr, 12 hr, 18 hr, Day 2: 0 hr, 12 hr, Day 3: 0 hr
AUC (0-INF) for single-dose metformin IR (500 mg), either coadministered with saxagliptin (2.5 mg) or administerd as FDC 2.5 mg saxagliptin/500 mg metformin IR, under fasted and fed conditions.
Day 1: 0 hr, 0.25 hr, 0.5 hr, 0.75 hr, 1 hr, 1.5 hr, 2 hr, 3 hr, 4 hr, 6 hr, 8 hr, 12 hr, 18 hr, Day 2: 0 hr, 12 hr, Day 3: 0 hr
Metformin T-half and T-max
Time Frame: Day 1: 0 hr, 0.25 hr, 0.5 hr, 0.75 hr, 1 hr, 1.5 hr, 2 hr, 3 hr, 4 hr, 6 hr, 8 hr, 12 hr, 18 hr, Day 2: 0 hr, 12 hr, Day 3: 0 hr
T-half and T-max for single-dose metformin IR (500 mg), either coadministered with saxagliptin (2.5 mg), or administerd as FDC 2.5 mg saxagliptin/500 mg metformin IR, under fasted and fed conditions.
Day 1: 0 hr, 0.25 hr, 0.5 hr, 0.75 hr, 1 hr, 1.5 hr, 2 hr, 3 hr, 4 hr, 6 hr, 8 hr, 12 hr, 18 hr, Day 2: 0 hr, 12 hr, Day 3: 0 hr

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
BMS-510849 Mean Cmax
Time Frame: Day 1: 0 hr, 0.25 hr, 0.5 hr, 0.75 hr, 1 hr, 1.5 hr, 2 hr, 3 hr, 4 hr, 6 hr, 8 hr, 12 hr, 18 hr, Day 2: 0 hr, 12 hr, Day 3: 0 hr
Cmax of the saxagliptin metabolite BMS-510849, following single-dose saxagliptin (2.5 mg) coadministered with metformin IR (500 mg) or administered as an FDC 2.5 mg saxagliptin/500 mg metformin IR tablet, under fasted and fed conditions.
Day 1: 0 hr, 0.25 hr, 0.5 hr, 0.75 hr, 1 hr, 1.5 hr, 2 hr, 3 hr, 4 hr, 6 hr, 8 hr, 12 hr, 18 hr, Day 2: 0 hr, 12 hr, Day 3: 0 hr
BMS-510849 Mean AUC (0-T)
Time Frame: Day 1: 0 hr, 0.25 hr, 0.5 hr, 0.75 hr, 1 hr, 1.5 hr, 2 hr, 3 hr, 4 hr, 6 hr, 8 hr, 12 hr, 18 hr, Day 2: 0 hr, 12 hr, Day 3: 0 hr
AUC (0-T) for the saxagliptin metabolite BMS-510849, following single-dose saxagliptin (2.5 mg) coadministered with metformin IR (500 mg) or administration as an FDC 2.5 mg saxagliptin/500 mg metformin IR tablet, under fasted and fed conditions.
Day 1: 0 hr, 0.25 hr, 0.5 hr, 0.75 hr, 1 hr, 1.5 hr, 2 hr, 3 hr, 4 hr, 6 hr, 8 hr, 12 hr, 18 hr, Day 2: 0 hr, 12 hr, Day 3: 0 hr
BMS-510849 Mean AUC (0-INF)
Time Frame: Day 1: 0 hr, 0.25 hr, 0.5 hr, 0.75 hr, 1 hr, 1.5 hr, 2 hr, 3 hr, 4 hr, 6 hr, 8 hr, 12 hr, 18 hr, Day 2: 0 hr, 12 hr, Day 3: 0 hr
AUC (0-T)= for the saxagliptin metabolite BMS-510849, following single-dose saxagliptin (2.5 mg) coadministered with metformin IR (500 mg) or administered as an FDC 2.5 mg saxagliptin/500 mg metformin IR tablet, under fasted and fed conditions.
Day 1: 0 hr, 0.25 hr, 0.5 hr, 0.75 hr, 1 hr, 1.5 hr, 2 hr, 3 hr, 4 hr, 6 hr, 8 hr, 12 hr, 18 hr, Day 2: 0 hr, 12 hr, Day 3: 0 hr
BMS-510849 Mean T-half and T-max
Time Frame: Day 1: 0 hr, 0.25 hr, 0.5 hr, 0.75 hr, 1 hr, 1.5 hr, 2 hr, 3 hr, 4 hr, 6 hr, 8 hr, 12 hr, 18 hr, Day 2: 0 hr, 12 hr, Day 3: 0 hr
T-half and Tmax of the saxagliptin metabolite BMS-510849, following single-dose saxagliptin (2.5 mg) coadministered with metformin IR (500 mg) or administerd as an FDC 2.5 mg saxagliptin/500 mg metformin IR tablet, under fasted and fed conditions.
Day 1: 0 hr, 0.25 hr, 0.5 hr, 0.75 hr, 1 hr, 1.5 hr, 2 hr, 3 hr, 4 hr, 6 hr, 8 hr, 12 hr, 18 hr, Day 2: 0 hr, 12 hr, Day 3: 0 hr
Number of Participants With at Least 1 Adverse Event (AE), Death, Serious AE (SAE), or AEs Leading to Discontinuation
Time Frame: From Day 1 through Day 45, including up to 56 days after last dose of study medication
AE=any new untoward medical occurrence or worsening of a pre-existing medical condition which does not necessarily have a causal relationship with this treatment. SAE=any untoward medical occurrence that at any dose: results in death, is life-threatening, requires inpatient hospitalization or causes prolongation of existing hospitalization, results in persistent or significant disability/incapacity, is a congenital anomaly/birth defect, results in development of drug dependency or drug abuse, is an important medical event.
From Day 1 through Day 45, including up to 56 days after last dose of study medication
Number of Participants With Laboratory Marked Abnormalities
Time Frame: From Day 1 through Day 45, including up to 56 days after last dose of study medication
High=greater than Upper Normal Limit (ULN), Low=lower than Lower Normal Limit (LLN). LLN/ULN= Leukocytes: <0.9 x LLN/ >1.2 x ULN; blood urea nitrogen (BUN): >1.1 x ULN; creatinine: >1.33 x BL; phosphorous (P): <0.75 x LLN/ >1.2 5 x ULN; creatinine kinase (CK): >1.5 x ULN; urine blood=use ≥2 x BL if value ≥2+ or BL1+
From Day 1 through Day 45, including up to 56 days after last dose of study medication
Number of Participants With Clinically Relevant Electrocardiogram (ECG) Abnormalities
Time Frame: Period 1 Day 1, Period 2 Day 1, Period 3 Day 1, Period 4 Day 1, Period 4 Day 3
PR interval, QRS complex, width of QRS, QT interval, and QT corrected for heart rate adjusting for heart rate using either Bazett formula or Fridericia formula were measured. ECG abnormalities were judged to be of medical importance by the Investigator.
Period 1 Day 1, Period 2 Day 1, Period 3 Day 1, Period 4 Day 1, Period 4 Day 3
Number of Participants With Clinically Relevant Vital Sign Abnormalities
Time Frame: Period 1 Day 1, Period 2 Day 1, Period 3 Day 1, Period 4 Day 1, Period 4 Day 3
Mean systolic and diastolic blood pressure, heart rate, respiration, and temperature were assessed.Vital sign abnormalities abnormalities were judged to be of medical importance by the Investigator.
Period 1 Day 1, Period 2 Day 1, Period 3 Day 1, Period 4 Day 1, Period 4 Day 3
Number of Participant With Clinically Relevant Physical Examination Abnormalities
Time Frame: Screen, Period 1 Day -1, prior to discharge
A physical examination was conducted which included height and weight measurements, from which the Body Mass Index was determined. Physical examination abnormalities were judged to be of medical importance by the Investigator.
Screen, Period 1 Day -1, prior to discharge

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.
AstraZeneca

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

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

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.
June 1, 2009

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.
August 1, 2009

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.
August 1, 2009

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).
May 8, 2009

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.
May 11, 2009

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.
May 12, 2009

Study Record Updates

Last Update Posted (Estimate)

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.
June 1, 2015

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.
May 8, 2015

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.
May 1, 2015

More Information

Terms related to this study

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.
  • CV181-081

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