- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT00753766
Multifactorial Pre-operative Intervention in Diabetes Mellitus
Multifactorial Pre-Operative Intervention in Diabetes Mellitus
Studieoversigt
Status
Betingelser
Intervention / Behandling
Detaljeret beskrivelse
Patients with diabetes that require hospitalization are at increased risk for morbidity and mortality, especially when undergoing surgery. There is some evidence that intensive glucose management during hospitalization may improve outcomes. However, no studies have evaluated intensive diabetes treatment before hospitalization.
Preliminary data from patients having vascular surgery show that those with diabetes have longer hospital stays, more frequent wound infections, and are more likely to require a return to the operating room when compared to patients without diabetes. In particular, insulin-treated patients have even greater peri-operative complications than non-insulin treated patients with diabetes. However, these data also suggest that a clinical trial to test the hypothesis that pre-operative intensive management has significant impact on peri-operative complications would require a very large number of participants to have adequate power.
Thus, our objective is to conduct a pilot and feasibility study to determine whether an intervention that involves intensive pre-operative diabetes management can be successfully implemented and to assess whether trends for benefit are observed. The results of this trial will support the conduct of a definitive study that tests the effectiveness of such an intervention in a larger sample of patients.
This is a randomized, parallel group clinical trial in insulin-treated patients with diabetes mellitus who have been scheduled for elective vascular surgery. We will randomize 46 participants diabetes mellitus: insulin-treated with HbA1c 7.5% or treated with oral agents with an elevated HbA1c who are scheduled for vascular surgery and in whom a 6 week pre-operative delay poses no substantial medical risks, as determined by the staff surgeon. We will exclude individuals with markedly elevated HbA1c or blood pressure; those with recently manifest cardiovascular disease, and those unable to attend regularly scheduled follow-up visits during the pre-operative period.
Participants will be randomized to either continue with usual care or participate in a multifactorial intervention conducted over a 6-week period. During the intervention period, participants will meet with a care manager and/or endocrinologist on at least 3 occasions and have telephone follow-up between these visits. They will receive instruction on lifestyle modifications; measure glucose and blood pressure at home (including the use of a continuous glucose monitoring device on 2 occasions), and receive care management to optimize glucose, blood pressure, and lipid lowering, as appropriate.
The primary outcome measure is the percent of screened participants that are eligible and choose participation Secondary end points will include: participant adherence with the study protocol, change from baseline in A1c and fructosamine, occurrence of wound infections in the 30-day peri-operative period, a composite of death from cardiovascular causes, non-fatal myocardial infarction, coronary artery bypass grafting, percutaneous coronary intervention, nonfatal stroke, or amputation as a result of peripheral ischemia; length of hospital stay; and rate of return to the operating room.
Undersøgelsestype
Tilmelding (Faktiske)
Fase
- Ikke anvendelig
Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
- Barn
- Voksen
- Ældre voksen
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
Inclusion Criteria:
- Diagnosis of diabetes mellitus
- A1c 7.5%,
- Scheduled elective vascular surgery that may be safely deferred for 6 weeks
- Surgeon's approval to participate
Exclusion Criteria:
- Hemoglobin A1c >14% (This criterion was included since, once identified, such a patient warrants improved glucose control and can not be ethically entered into a trial where there is a 50% chance of being assigned to usual care)
- Myocardial infarction in prior 6 months
- Cerebrovascular disease in prior 6 months
- Active cancer requiring ongoing treatment
- Severe psychiatric disease limiting ability to comply with protocol
- Unable to attend follow up appointments
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Behandling
- Tildeling: Randomiseret
- Interventionel model: Parallel tildeling
- Maskning: Ingen (Åben etiket)
Våben og indgreb
Deltagergruppe / Arm |
Intervention / Behandling |
---|---|
Ingen indgriben: Sædvanlig pleje
Kontrolgruppe
|
|
Eksperimentel: Multifactorial Intervention
Mulitfactorial intervention - addressing glucose, blood pressure, lipids, smoking, nutrition and exercise.
|
Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Tidsramme |
---|---|
Percent of Screened Participants That Are Eligible and Choose Participation
Tidsramme: 6 weeks
|
6 weeks
|
Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
---|---|---|
Percentage of Participants With Full Adherence to the Study Protocol (i.e. Attending Study Visits, CGMS Studies)
Tidsramme: 6 weeks
|
6 weeks
|
|
Percentage of Participants Not Completing the Protocol Due to the Need for Urgent Surgery and/or Treatment-related Complications
Tidsramme: 6 weeks
|
6 weeks
|
|
Change in A1c From Baseline to Pre-admission (A1c is the Standard Parameter to Assess Chronic Glucose Control])
Tidsramme: 6 weeks
|
A1c measured at two time points - baseline and 6 weeks later (pre-admission).
This parameter is the difference between those two time points.
|
6 weeks
|
Number of Participants With Occurrence of Wound Infection in the 30 Day Post-operative Period
Tidsramme: 30 days
|
30 days
|
|
Length of Hospital Stay
Tidsramme: 6 weeks
|
6 weeks
|
|
Number of Participants Who Experience a Composite of Death From Cardiovascular Cause, Non-fatal Myocardial Infarction, Coronary Artery Bypass Grafting, Percutaneous Coronary Intervention, Nonfatal Stroke, or Amputation as a Result of Peripheral Ischemia
Tidsramme: 6 weeks
|
6 weeks
|
|
Percentage of Participants Who Need to Return to the Operating Room
Tidsramme: 6 weeks
|
6 weeks
|
Samarbejdspartnere og efterforskere
Efterforskere
- Ledende efterforsker: Paul R. Conlin, MD, VA Boston Healthcare System West Roxbury Campus, West Roxbury, MA
Datoer for undersøgelser
Studer store datoer
Studiestart
Primær færdiggørelse (Faktiske)
Studieafslutning (Faktiske)
Datoer for studieregistrering
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først opslået (Skøn)
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Nøgleord
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
- CLIN-004-04F
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