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Insulin ResistancePhase 1/2NCT00258128

Effect of Salicylate on Glucose Metabolism in Insulin Resistance States

A Phase 1/2 study testing Salsalate in people with Insulin Resistance, run by Joslin Diabetes Center.

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

Data supports diet induced obesity leads to activation of the IKK/NF-kB inflamatory pathway and that chronic inflammation leads to insulin resistance and diabetes. In rodents, salicylates inhibit IKK/NF-kB and may improve insulin sensitivity. We will study if this is true in people. Read more about this study

Who is it for?
Ages 18 to 65 years
Conditions the study is for
Insulin Resistance
What is being tested?
Salsalate
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
17 participants
Where
No sites listed yet
Study dates
Jan 2000to May 2008
Phase
Phase 1/2
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

  • age 18 to 65 years, inclusive; HbA1c >6.0% (off medication-diabetic) normal hemoglobin and hematocrit, without donation of blood in the previous 2 months; without involvement in any study evaluating an investigational drug or device for the previous 2 months; normal clotting studies; female postmenopausal or surgically sterile, or using barrier or oral contraception and with a negative pregnancy test.

Who cannot join

  • pregnant or lactating women; patients with persistent ketonuria or a history of ketoacidosis (suggesting the need for insulin therapy); current of previous use of insulin for glucose control; patients with abnormal liver function defined as elevation of bilirubin, alkaline phosphatase, ALT, AST, or GGTP more than 1.5 times the upper limit of normal; patients with kidney disease (serum creatinine > 1.5 mg/dL) macroalbuminuria (1+ protein on a standard urine dip-stick, or > 300 mg urinary albumin/day)- (patients with microalbuminuria will be enrolled); patients with any significant diseases or conditions, including emotional or psychiatric disorders and substance abuse, including history of binge drinking, that, in the opinion of the investigator, are likely to alter the patient's ability to complete the study; patients with metabolic acidosis (abnormal anion gap); history of gastric ulcer, dyspepsia, or upper or lower GI bleed; history of allergy to aspirin, or bleeding diathesis or currently on oral anticoagulants including warfarin, heparin, aspirin or other NSAIDs; patients with major vascular event within 6 months of screening for the study (e.g., myocardial infarction stroke, coronary artery bypass graft (CABG) surgery, angioplasty, peripheral vascular surgery); patients with chronic heart disease, or a history of myocardial infarction or stroke. Symptomatic angina pectoris or cardiac insufficiency as defined by the NYHA; classification as Functional Class III or IV; patients with HbA1C > 13% (normal range 4-6%); patients who smoke more than one pack of cigarettes daily; patients taking treatment medications known to affect insulin sensitivity (e.g. diuretics, beta-blockers); patients taking warfarin, heparin or NSAID on a chronic basis; patients with inadequately controlled serum lipid levels (total cholesterol ≥ 275 mg/dL and fasting triglycerides ≥ 450 mg/dL); patients with history of cancer within 5 years prior to screening for the study other than basal cell carcinoma; active alcohol or other substance abuse.

About this study

Data supports diet induced obesity leads to activation of the IKK/NF-kB inflamatory pathway and that chronic inflammation leads to insulin resistance and diabetes. In rodents, salicylates inhibit IKK/NF-kB and may improve insulin sensitivity. We will study if this is true in people.

Read the detailed description

Please see the following review articles on this topic:

Shoelson SE, Lee J, Goldfine AB. (2006) Inflammation in insulin resistance. J. Clin. Invest. 116, 1793-1801.

Goldfine AB, Fonseca V and Shoelson SE (2010) Therapeutic approaches to target inflammation in type 2 diabetes. Clin Chem. 57, 162-167.

Donath MY and Shoelson SE (2011) Type 2 diabetes as an inflammatory disease. Nat Rev Immunol. 11, 98-107.

Goldfine AB and Shoelson SE (2017) Therapeutic approaches targeting inflammation for diabetes and associated cardiovascular risk. J Clin Invest. 127, 83-93.

Being tested
Salsalate, Placebo
Medical subject headings
Insulin Resistance

What participants receive

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

  • SalsalateDrug

    Also called Disalcid

    Active

  • PlaceboDrug

    Placebo for salslate, used only in the third trial

Study groups in NCT00258128
Study groupRoleWhat they receive
TreatmentExperimentalThis third small study has a randomized, masked, placebo controlled parallel design to compare salsalate 4.0 g/d to placebo. This is the salsalate 4.0 g/d arm.
Receives: Drug: Salsalate
PlaceboPlacebo comparatorThis third small study has a randomized, masked, placebo controlled parallel design to compare salsalate 4.0 g/d to placebo. This is the placebo arm.
Receives: Drug: Placebo

What is being measured

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

  1. Glucose

    fasting glucose

    Measured: 4 weeks

Secondary outcomes (1)
  1. Adiponectin

    Measured: 4 weeks

Timeline

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

  1. First posted24 Nov 2005 (estimated)
  2. Study startJan 2000
  3. Primary completionMay 2008
  4. Study completionMay 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 1/2
Primary purpose
Other
Allocation
Randomised
Intervention model
Parallel groups
Masking
Quadruple blind
Who is masked
Participant, Care provider, Investigator, Outcomes assessor
Enrolment
17 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00258128
Sponsor's protocol ID
CHS 00-01
Other IDs
R37DK051729, R01DK051729
Status last verified
Apr 2019
First submitted
22 Nov 2005
Last updated
30 Apr 2019
Data monitoring committee
No

Publications

  • Fleischman A, Shoelson SE, Bernier R, Goldfine AB. Salsalate improves glycemia and inflammatory parameters in obese young adults. Diabetes Care. 2008 Feb;31(2):289-94. doi: 10.2337/dc07-1338. Epub 2007 Oct 24.

    PubMed 17959861
  • Shoelson SE, Lee J, Goldfine AB. Inflammation and insulin resistance. J Clin Invest. 2006 Jul;116(7):1793-801. doi: 10.1172/JCI29069.

    PubMed 16823477
  • Goldfine AB, Silver R, Aldhahi W, Cai D, Tatro E, Lee J, Shoelson SE. Use of salsalate to target inflammation in the treatment of insulin resistance and type 2 diabetes. Clin Transl Sci. 2008 May;1(1):36-43. doi: 10.1111/j.1752-8062.2008.00026.x.

    PubMed 19337387

Questions about this trial

What is this clinical trial studying?

A Phase 1/2 study testing Salsalate in people with Insulin Resistance, run by Joslin Diabetes Center.

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 1 inclusion and 1 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 Apr 2019. 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 combined 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.

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

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 30 Apr 2019). 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?

Glucose (time frame: 4 weeks). 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 NCT00258128, which also lists 3 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 Apr 2019.

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