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Type 2 Diabetes MellitusPhase 1NCT00830076

A Study of the Effects of Co-Administration of Sitagliptin (MK-0431) and Metformin on Incretin Hormone Concentrations (MK-0431-110)

A Phase 1 study testing sitagliptin phosphate and metformin hydrochloride in people with Type 2 Diabetes Mellitus, run by Merck Sharp & Dohme LLC.

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 study will assess the effects of sitagliptin and metformin alone and after co-administration on incretin hormone concentrations in patients with Type 2 diabetes. Read more about this study

Who is it for?
Ages 18 to 65 years
Conditions the study is for
Type 2 Diabetes Mellitus
What is being tested?
sitagliptin phosphate and metformin hydrochloride
Type of treatment
Pill or oral medicine
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
18 participants
Where
No sites listed yet
Study dates
2 Dec 2008to 14 May 2009
Phase
Phase 1
Are there results?
Yes, posted in the registrySummary in the doctors' view

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
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Female subjects must have a negative pregnancy test
  • Subject has type 2 diabetes and is not currently receiving treatment with an oral AHA agent, has not received such treatment for 3 months prior to study, and/or has not received more than 4 total weeks treatment with an oral AHA agent for 12 to 18 months prior to the study
  • Subject is a nonsmoker or has not smoked and/or used nicotine for at least 6 months

Who cannot join

  • Subject has a history of stroke, seizures, or major neurological disorders
  • Female subject is breastfeeding
  • Subject cannot refrain from use of any prescription or non-prescription drugs beginning 2 weeks prior to first dose of study drug
  • Subject consumes more than 3 alcoholic beverages per day
  • Subject consumes more than 6 caffeinated beverages per day
  • Subject has had major surgery, or has donated or lost 1 unit of blood within 4 weeks of screening
  • Subject has a history of cancer, except certain skin or cervical cancer or other cancers treated more than 10 years prior to screening
  • Subject has a history of multiple and/or severe allergies or intolerance to drugs or food

About this study

Official title: A Study to Assess the Effects of Co-Administration of Sitagliptin and Metformin on Incretin Hormone Concentrations

This study will assess the effects of sitagliptin and metformin alone and after co-administration on incretin hormone concentrations in patients with Type 2 diabetes.

Being tested
sitagliptin phosphate, metformin hydrochloride, Comparator: placebo sitagliptin, Comparator: placebo metformin
Medical subject headings
Diabetes Mellitus, Type 2

What participants receive

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

  • sitagliptin phosphateDrug

    Also called Januvia

    Sitagliptin 100 mg tablet on Day 1 and Day 2 in the morning. There will be a 7-day washout between treatment periods.

  • metformin hydrochlorideDrug

    Also called Glucophage

    Metformin 500 mg tablet in the morning and evening on Day 1 and two 500 mg tablets of metformin (total dose 1000 mg) on Day 2 in the morning. There will be a 7-day washout between treatment periods.

  • Comparator: placebo sitagliptinDrug

    Placebo to sitagliptin 100 mg in the morning on Days 1 and 2. There will be a 7-day washout between treatment periods.

  • Comparator: placebo metforminDrug

    Placebo to metformin 500 mg tablet in the morning and evening on Day 1 and two placebo to metformin 500 mg tablets (1000 mg total dose) in the morning of Day 2. There will be a 7-day wash out between treatment periods.

Study groups in NCT00830076
Study groupRoleWhat they receive
Sitagliptin + placebo metforminExperimentalNot described
Receives: Drug: sitagliptin phosphate; Drug: Comparator: placebo metformin
Metformin + placebo sitagliptinExperimentalNot described
Receives: Drug: metformin hydrochloride; Drug: Comparator: placebo sitagliptin
Sitagliptin + metforminExperimentalCo-administration of sitagliptin and metformin
Receives: Drug: sitagliptin phosphate; Drug: metformin hydrochloride
Placebo sitagliptin + placebo metforminPlacebo comparatorCo-administration of placebo to sitagliptin and placebo to metformin
Receives: Drug: Comparator: placebo sitagliptin; Drug: Comparator: placebo metformin

What is being measured

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

  1. Incremental Post-prandial 4-hour Weighted Mean Active Glucagon-like Peptide-1 (GLP-1) Plasma Concentrations

    Meal was given 2 hours postdose. Blood samples for determination of active GLP-1 concentration were collected (4 hours postmeal) on Day 2 in each treatment period.

    Measured: 6 hours postdose (4 hours postmeal) on Day 2

Secondary outcomes (2)
  1. β-cell Sensitivity

    β-cell sensitivity was defined as the incremental post-prandial

    4-hour area under the curve (AUC) for insulin secretion rate (ISR) normalized by the incremental post-prandial 4-hour plasma glucose AUC.

    Measured: 6 hour post-dose (4 hour postmeal) on Day 2

  2. Incremental Post-prandial 4-hour Weighted Mean Plasma Glucose Concentrations

    Meal was given 2 hours postdose. Blood samples for determination of glucose concentration were collected (4 hours postmeal) on Day 2 in each treatment period.

    Measured: 6 hours postdose (4 hours postmeal) on Day 2

Timeline

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

  1. First posted27 Jan 2009 (estimated)
  2. Study start2 Dec 2008
  3. Primary completion30 Apr 2009
  4. Study completion14 May 2009

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
Treatment
Allocation
Randomised
Intervention model
Crossover
Masking
Double blind
Who is masked
Participant, Investigator
Enrolment
18 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00830076
Sponsor's protocol ID
0431-110
Other IDs
2009_521
Status last verified
Apr 2017
First submitted
26 Jan 2009
Last updated
15 May 2017
Data monitoring committee
No
Individual data sharing
Yes: http://www.merck.com/clinical-trials/pdf/Merck%20Procedure%20on%20Clinical%20Trial%20Data%20Access%20Final\_Updated%20July\_9\_2014.pdf http://engagezone.msd.com/ds\_documentation.php

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing sitagliptin phosphate and metformin hydrochloride in people with Type 2 Diabetes Mellitus, run by Merck Sharp & Dohme LLC.

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 3 inclusion and 8 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 15 May 2017. Status can change between updates, so confirm with the study contact before making plans.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. 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?

Yes. Results are posted in the registry (first posted 3 Nov 2011). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

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?

Incremental Post-prandial 4-hour Weighted Mean Active Glucagon-like Peptide-1 (GLP-1) Plasma Concentrations (time frame: 6 hours postdose (4 hours postmeal) on Day 2). 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 15 May 2017.

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