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Healthy SubjectsPhase 1NCT00672399

Electrophysiological Effects of a Single 10 μg Dose of Exenatide on the 12-Lead Electrocardiogram QT Interval in Healthy Subjects

A Phase 1 study testing exenatide and Moxifloxacin in people with Healthy Subjects, run by AstraZeneca at 2 sites in United Kingdom.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

This Phase 1, randomized, three period, placebo- and positive-controlled,double-blind, double-dummy, crossover study will be performed with approximately 80 healthy male and female subjects. Read more about this study

Who is it for?
Ages 18 to 65 yearsHealthy volunteers can take part
Conditions the study is for
Healthy Subjects
What is being tested?
exenatide and Moxifloxacin
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
70 participants
Where
2 sitesUnited Kingdom
Study dates
Apr 2008to Jul 2008
Phase
Phase 1
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 65 years
  • All sexes
  • Healthy volunteers accepted
  • Adult, Older adult

Who may be able to join

  • Are between the ages of 18 and 65 years, inclusive.
  • Have body mass index (BMI) between 19 and 35 kg/m2, inclusive.
  • If females, are not of child-bearing potential due to surgical sterilisation (hysterectomy or bilateral oophorectomy or tubal ligation) or menopause. Women with an intact uterus are deemed postmenopausal if they have had cessation of menses for at least 1 year or 6 to 12 months of spontaneous amenorrhea with follicle stimulating hormone >40 IU/mL; age ≥45 years; not taking oral contraceptives for at least 1 year; and otherwise healthy.
  • Subjects receiving hormone replacement therapy (HRT) or thyroxine as replacement therapy may participate providing they have been on stable therapy for at least 3 months and have a normal thyroid stimulating hormone (TSH) value.

Who cannot join

  • Have received treatment within the last 30 days with a drug that has not received regulatory approval for any indication at the time of study entry.
  • Known allergies to exenatide or excipients, moxifloxacin or related compounds, or a history of multiple adverse drug allergies of any origin.
  • Family history of sudden death.
  • Personal history of unexplained syncope within last year.
  • History or presence of cardiovascular (myocardial infarction, cerebrovascular accident, venous thromboembolism), respiratory, hepatic, renal, GI, endocrine, haematological, or neurological disorders.
  • Evidence or history of Long QT Syndrome or significant active cardiac disease (e.g., arrhythmia, hypertension, congestive heart failure, hypokalaemia, mitral valve regurgitation, endocarditis, coronary artery heart disease), or symptoms of angina pectoris or transient ischaemic attacks within the previous 6 months.
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  • Females who are lactating.
  • Have previously completed or withdrawn from this study or any other study investigating exenatide.
  • Evidence of human immunodeficiency virus (HIV) and/or positive human HIV antibodies.
  • Evidence of hepatitis C and/or positive hepatitis C antibody.
  • Evidence of hepatitis B and/or positive hepatitis B surface antigen.
  • Use of over-the-counter or prescription medication (other than, for example, thyroid replacement, occasional intake of paracetamol, or vitamin or mineral supplements) 7 and 14 days, respectively, before dosing and throughout the study.
  • Cumulative blood donation of more than 500 mL within the last 3 months.
  • Subjects who have an average weekly alcohol intake that exceeds 28 units per week (males) and 21 units per week (females), or subjects unwilling to stop alcohol consumption for the duration of the study(1 unit = 12 oz or 360 mL of beer; 5 oz or 150 mL of wine; 1.5 oz or 45 mL of distilled spirits).
  • Subjects who smoke or have smoked within 28 days of their screening visit and who are unable to abide by the study restrictions.

Trial locations and contacts

2 sites in 1 country.

United Kingdom2 sites
  • Reseach Site

    Derriford, Plymouth

  • Research Site

    Leeds, West Yorkshire

Other trials in United Kingdom

About this study

Official title: A Placebo- and Positive-Controlled Study of the Electrophysiological Effects of a Single 10 μg Dose of Exenatide on the 12-Lead Electrocardiogram QT Interval in Healthy Subjects

This Phase 1, randomized, three period, placebo- and positive-controlled,double-blind, double-dummy, crossover study will be performed with approximately 80 healthy male and female subjects. The effects of single doses of exenatide (10 μg, subcutaneous), moxifloxacin (400 mg, oral) or placebo(subcutaneous or oral) on QT interval will be assessed.

Being tested
exenatide, Moxifloxacin, Placebo
Keywords
Amylin, Eli Lilly, exenatide, moxifloxacin

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • exenatideDrug

    Also called Byetta

    Subcutaneously injected, 10 mcg, single doses

  • MoxifloxacinDrug

    oral, 400 mg tablet, single doses

  • PlaceboDrug

    Subcutaneously injucted in an amount equivalent to exenatide; or orally as a tablet identical in appearance to Moxifloxacin. Both are single doses

Study groups in NCT00672399
Study groupRoleWhat they receive
Sequence 1ExperimentalPeriod 1 = placebo exenatide/placebo moxifloxacin; Period II = exenatide/placebo moxifloxacin; Period III = placebo exenatide/moxifloxacin
Receives: Drug: exenatide; Drug: Moxifloxacin; Drug: Placebo
Sequence 2ExperimentalPeriod I = exenatide/placebo moxifloxacin; Period II = placebo exenatide/moxifloxacin; Period III = placebo exenatide/placebo moxifloxacin
Receives: Drug: exenatide; Drug: Moxifloxacin; Drug: Placebo
Sequence 3ExperimentalPeriod 1 = placebo exenatide/moxifloxacin; Period II = placebo exenatide/moxifloxacin; Period III = exenatide/placebo moxifloxacin
Receives: Drug: exenatide; Drug: Moxifloxacin; Drug: Placebo
Sequence 4ExperimentalPeriod I = placebo exenatide/moxifloxacin; Period II = exenatide/placebo moxifloxacin; Period III = placebo exenatide/placebo moxifloxacin
Receives: Drug: exenatide; Drug: Moxifloxacin; Drug: Placebo
Sequence 5ExperimentalPeriod I = placebo exenatide/placebo moxifloxacin; Period II = placebo exenatide/moxifloxacin; Period III = exenatide/moxifloxacin
Receives: Drug: exenatide; Drug: Moxifloxacin; Drug: Placebo
Sequence 6ExperimentalPeriod I = exenatide/placebo moxifloxacin; Period II = placebo exenatide/placebo moxifloxacin; Period III = placebo exenatide/moxifloxacin
Receives: Drug: exenatide; Drug: Moxifloxacin; Drug: Placebo

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Comparison of exenatide's effect on QT interval when compared to placebo

    To determine, in healthy subjects, that a single 10 μg dose of exenatide does not differ from placebo in the mean change from predose in 12-lead ECG correct QT (QTc) interval measurements

    Measured: single doses - measurements at 1, 2, 3, 4, 5.5 and 10 hours after dosing

Secondary outcomes (2)
  1. Measurement of any QTcF changes following exenatide versus glucose, potassium, and insulin

    To explore the influence of potential physiological covariates such as plasma insulin, plasma glucose, and potassium on QTc interval in healthy subjects

    Measured: single doses - samples drawn at and EKGs at -15 min, hours 1, 2, 3, 4, 5.5, 10

  2. Assessment of plasma exenatide concentrations and QTc interval

    Evaluation of the relationship between plasma exenatide concentrations and QTc interval in healthy subjects

    Measured: During Periods I, II, and III, ECGs should be recorded at the following

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted6 May 2008 (estimated)
  2. Study startApr 2008
  3. Primary completionJul 2008
  4. Study completionJul 2008

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 1
Primary purpose
Basic science
Allocation
Randomised
Intervention model
Crossover
Masking
Double blind
Who is masked
Participant, Investigator
Enrolment
70 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00672399
Sponsor's protocol ID
H8O-EW-GWCI
Status last verified
Jan 2015
First submitted
1 May 2008
Last updated
24 Feb 2015
Results posted
No
Data monitoring committee
No

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing exenatide and Moxifloxacin in people with Healthy Subjects, run by AstraZeneca at 2 sites in United Kingdom.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 4 inclusion and 15 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 24 Feb 2015. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 2 sites in United Kingdom. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Comparison of exenatide's effect on QT interval when compared to placebo (time frame: single doses - measurements at 1, 2, 3, 4, 5.5 and 10 hours after dosing). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 24 Feb 2015.

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