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HealthyPhase 4NCT00885638

Effects of Dipeptidyl Peptidase-4 (DPP-4) Inhibition on Hormonal Responses to Macronutrient Ingestion

A Phase 4 study testing Sitagliptin in people with Healthy and Type 2 Diabetes, run by Lund University at 1 site in Sweden.

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

The regulation by DPP-4 inhibition after ingested of different individual macronutrients is not known. Therefore, this study examines the influence of ingestion of fat, protein, glucose or mixed meal on the concentrations of incretin hormones and insulin secretion with or without concomitant administration of a DPP-4… Read more about this study

Who is it for?
Ages 20 to 30 years, men onlyHealthy volunteers can take part
Conditions the study is for
Healthy, Type 2 Diabetes
What is being tested?
Sitagliptin
Type of treatment
Pill or oral medicine
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
12 participants
Where
1 siteSweden
Study dates
Aug 2009to Sep 2012
Phase
Phase 4
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 20 to 30 years
  • Men only
  • Healthy volunteers accepted
  • Adult

Who may be able to join

  • Healthy men
  • Age 20-30 years
  • BMI 20-30 kg/m2

Who cannot join

  • Any disease
  • Any medication

Trial locations and contacts

1 site in 1 country.

Sweden1 site
  • Department of Clinical Sciences Lund, Lund University

    Lund, 221 84

Other trials in Sweden

About this study

Official title: Study of the Effect of Sitagliptin on the Hormonal Responses to Macronutrient Ingestion in Healthy Volunteers

The regulation by DPP-4 inhibition after ingested of different individual macronutrients is not known. Therefore, this study examines the influence of ingestion of fat, protein, glucose or mixed meal on the concentrations of incretin hormones and insulin secretion with or without concomitant administration of a DPP-4 inhibitor (sitagliptin).

Read the detailed description

Meal ingestion releases gut hormones which stimulate insulin secretion. A most important gut hormone is the incretin hormone glucagon-like peptide-1 (GLP-1). GLP-1 is rapidly degraded and inactivated after its release by the enzyme dipeptidyl peptidase-4 (DPP-4). Inhibition of DPP-4 therefore increases the concentration of active GLP-1 after meal ingestion, which augments insulin secretion. How this process is regulated after ingested of different individual macronutrients is not known. Therefore, this study examines the influence of ingestion of fat, protein, glucose or mixed meal on the concentrations of incretin hormones and insulin secretion with or without concomitant administration of a DPP-4 inhibitor (sitagliptin).

Being tested
Sitagliptin, placebo
Keywords
GLP-1, Insulin secretion, Macronutrients
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.

  • SitagliptinDrug

    Also called Januvia

    100 mg sitagliptin before ingestion of macronutrient

  • placeboDrug

    A placebo tablet is given before ingestion of macronutrients

Study groups in NCT00885638
Study groupRoleWhat they receive
PlaceboPlacebo comparatorA placebo tablet is given before ingestion of macronutrients
Receives: Drug: placebo
SitagliptinActive comparatorSitagliptin is given before ingestion of macronutrients
Receives: Drug: Sitagliptin

What is being measured

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

  1. Glucagon-like Peptide-1 Secretion After Meal Ingestion

    Plasma GLP-1 levels will be measured during 300 min after meal ingestion for estimation of GLP-1 secretion

    Measured: 300 min

Secondary outcomes (1)
  1. Insulin Secretion After Ingestion of Meal

    Plasma insulin levels will be measured during 300 min after meal ingestion to estimation of insulin secretion

    Measured: 300 min

Timeline

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

  1. First posted22 Apr 2009 (estimated)
  2. Study startAug 2009
  3. Primary completionMay 2011
  4. Study completionSep 2012

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 4
Primary purpose
Basic science
Allocation
Non-randomised
Intervention model
Crossover
Masking
Double blind
Who is masked
Participant, Investigator
Enrolment
12 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00885638
Sponsor's protocol ID
Lund University Diabetes 001
Status last verified
Dec 2013
First submitted
21 Apr 2009
Last updated
30 Jan 2014
Data monitoring committee
No

Publications

  • Carr RD, Larsen MO, Winzell MS, Jelic K, Lindgren O, Deacon CF, Ahren B. Incretin and islet hormonal responses to fat and protein ingestion in healthy men. Am J Physiol Endocrinol Metab. 2008 Oct;295(4):E779-84. doi: 10.1152/ajpendo.90233.2008. Epub 2008 Jul 8.

    PubMed 18612044
  • Ohlsson L, Alsalim W, Carr RD, Tura A, Pacini G, Mari A, Ahren B. Glucose-lowering effect of the DPP-4 inhibitor sitagliptin after glucose and non-glucose macronutrient ingestion in non-diabetic subjects. Diabetes Obes Metab. 2013 Jun;15(6):531-7. doi: 10.1111/dom.12062. Epub 2013 Feb 7.

    PubMed 23331498

Questions about this trial

What is this clinical trial studying?

A Phase 4 study testing Sitagliptin in people with Healthy and Type 2 Diabetes, run by Lund University at 1 site in Sweden.

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 2 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 30 Jan 2014. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Sweden. 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. 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 4 studies take place after a treatment is approved, to learn more about its long-term benefits and risks in everyday use.

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 15 Jan 2013). 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?

Glucagon-like Peptide-1 Secretion After Meal Ingestion (time frame: 300 min). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT00885638, which also lists 2 linked publications.

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 30 Jan 2014.

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