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Heart SurgeryCLDM-CABGNCT06951308

Efficacy of Carbohydrate Loading in Diabetic Type 2 Patients Undergoing CABG Surgery on CPB

A study testing Carbohydrate loading before surgery in people with Heart Surgery and Ischemic Heart Disease, run by Damascus University at 1 site in Syria.

Recruiting

Looking for participants now. Contact the study team or a site below to ask about taking part.

Sites and contacts
Official record
Search all trials

Trial summary

Enhanced recovery after surgery protocols aim to optimize perioperative care and improve surgical outcomes. Preoperative carbohydrate loading has demonstrated benefits in reducing insulin resistance and improving patient outcomes. Read more about this study

Who is it for?
Any age
Conditions the study is for
Heart Surgery, Ischemic Heart Disease
What is being tested?
Carbohydrate loading before surgery
Could I receive a placebo?
No, everyone receives an active treatment
How many people
50 participants
Where
1 siteSyria
Study dates
1 Apr 2025to 31 Dec 2026
Phase
Interventional
Are there results?
Not yet: the study is under way

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 Any age
  • All sexes
  • No healthy volunteers
  • Child, Adult, Older adult

Who may be able to join

  • All diabetic type 2 patients undergoing isolated on-pump coronary artery bypass surgery.

Who cannot join

  • Missing data.
  • Patients outside the study period.
  • Patients undergoing other cardiac surgeries.
  • Patients diagnosed with type 1 diabetes mellitus.

Trial locations and contacts

1 site in 1 country. Contact the study team or a site near you to ask about taking part.

Mohammad B Izzat, FRCS(CTh) contact

+963943240820

mbizzat@gmail.com

Mohammad S Sioufi, MD contact

+963967788163

m.s.sioufi@gmail.com

Syria1 site, 1 recruiting
  • Damascus University Cardiac Surgery Hospital

    Damascus, Mazzeh

    Mohammad B Izzat, FRCS(CTh), +963943240820, mbizzat@gmail.com

    Mohammad S Sioufi, MD, +963967788163, m.s.sioufi@gmail.com

    Recruiting

Other trials in Syria

About this study

Enhanced recovery after surgery protocols aim to optimize perioperative care and improve surgical outcomes. Preoperative carbohydrate loading has demonstrated benefits in reducing insulin resistance and improving patient outcomes. While non-diabetic patients benefit from this approach, its efficacy in diabetic type 2 patients undergoing CABG remains less understood. This study aims to address this gab by evaluating the physiological and clinical outcomes for carbohydrate loading in this specific population.

Read the detailed description

A randomized controlled trial comparing diabetic type 2 patients receiving carbohydrate loading with those undergoing traditional fasting protocols. Patients will be randomized to two groups; group (a) patients will have carbohydrate loading 2 hours before the surgery (400 ml of 12.5 maltodextrin and 400 ml of over-the-counter fruit-based lemonade), while group (b) patients (control group) will have standard fasting protocol 8 hours before surgery.

Aims of the study:

  1. To assess the efficacy of carbohydrate loading in reducing insulin resistance in diabetic type 2 patients undergoing CABG surgeries.
  2. To monitor clinical outcomes such as infection rates, ICU stay duration, and need for inotropic and vasoactive drugs.
  3. To evaluate changes in inflammatory markers including CRP levels. clinical outcome
Being tested
Carbohydrate loading before surgery
Keywords
Enhanced recovery program, carbohydrate loading, coronary artery bypass grafting, heart surgery, postoperative recovery
Medical subject headings
Myocardial Ischemia

What participants receive

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

  • Carbohydrate loading before surgeryDietary supplement

    Carbohydrate loading 2 hours before the surgery (400 ml of 12.5 maltodextrin and 400 ml of over-the-counter fruit-based lemonade)

Study groups in NCT06951308
Study groupRoleWhat they receive
Intervention armActive comparatorPatients who will have carbohydrate loading 2 hours before the surgery (400 ml of 12.5 maltodextrin and 400 ml of over-the-counter fruit-based lemonade)
Receives: Dietary Supplement: Carbohydrate loading before surgery
Control armNo interventionPatients who will have standard fasting protocol 8 hours before surgery

What is being measured

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

  1. Short Insulin Tolerance Test (KITT)

    Short Insulin Tolerance Test (KITT) will test changes in insulin tolerance postoperatively

    Measured: Preoperatively and up to 72 hours postoperatively

Secondary outcomes (8)
  1. CRP levels

    C-Reactive Protein levels in the blood

    Measured: Preoperatively and up to 72 hours postoperatively

  2. Arterial blood gases

    Changes in arterial blood gases

    Measured: Preoperatively and up to 72 hours postoperatively

  3. Operative time

    Total operative time, skin-to-skin

    Measured: Intraoperatively, skin-to-skin

  4. CPB duration

    Total time spend using cardiopulmonary bypass perfusion

    Measured: Intraoperatively, using extracorporeal circulation

  5. Blood loss

    Blood loss and blood product usage

    Measured: Intraoperatively and up to 72 hours postoperatively

  6. Number of grafts performed

    Number of grafts performed during the operation

    Measured: Intraoperatively, skin-to-skin

  7. Use of inotrops

    Use of inotrops to support the cardiac output

    Measured: Intraoperatively and up to 72 hours postoperatively

  8. Complications

    All perioperative complications

    Measured: Intraoperatively and up to 72 hours postoperatively

Timeline

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

  1. First posted30 Apr 2025
  2. Study start1 Apr 2025
  3. Primary completion30 Apr 2026
  4. Study completion31 Dec 2026 (estimated)

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 N/A
Primary purpose
Supportive care
Allocation
Randomised
Intervention model
Parallel groups
Masking
Double blind
Who is masked
Investigator, Outcomes assessor
Enrolment
50 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT06951308
Sponsor's protocol ID
PhD2-2025
Acronym
CLDM-CABG
Status last verified
Aug 2026
First submitted
18 Apr 2025
Last updated
1 Sep 2026
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
Yes: All IPD will be uploaded on a data sharing platform

Publications

  • Dock-Nascimento DB, de Aguilar-Nascimento JE, Magalhaes Faria MS, Caporossi C, Slhessarenko N, Waitzberg DL. Evaluation of the effects of a preoperative 2-hour fast with maltodextrine and glutamine on insulin resistance, acute-phase response, nitrogen balance, and serum glutathione after laparoscopic cholecystectomy: a controlled randomized trial. JPEN J Parenter Enteral Nutr. 2012 Jan;36(1):43-52. doi: 10.1177/0148607111422719.

    PubMed 22235107
  • Vermeulen MA, Richir MC, Garretsen MK, van Schie A, Ghatei MA, Holst JJ, Heijboer AC, Uitdehaag BM, Diamant M, Eekhoff EM, van Leeuwen PA, Ligthart-Melis GC. Gastric emptying, glucose metabolism and gut hormones: evaluation of a common preoperative carbohydrate beverage. Nutrition. 2011 Sep;27(9):897-903. doi: 10.1016/j.nut.2010.10.001. Epub 2011 Jan 21.

    PubMed 21255977
  • Weimann A, Braga M, Carli F, Higashiguchi T, Hubner M, Klek S, Laviano A, Ljungqvist O, Lobo DN, Martindale R, Waitzberg DL, Bischoff SC, Singer P. ESPEN guideline: Clinical nutrition in surgery. Clin Nutr. 2017 Jun;36(3):623-650. doi: 10.1016/j.clnu.2017.02.013. Epub 2017 Mar 7.

    PubMed 28385477
  • Breuer JP, von Dossow V, von Heymann C, Griesbach M, von Schickfus M, Mackh E, Hacker C, Elgeti U, Konertz W, Wernecke KD, Spies CD. Preoperative oral carbohydrate administration to ASA III-IV patients undergoing elective cardiac surgery. Anesth Analg. 2006 Nov;103(5):1099-108. doi: 10.1213/01.ane.0000237415.18715.1d.

    PubMed 17056939
  • Amer MA, Smith MD, Herbison GP, Plank LD, McCall JL. Network meta-analysis of the effect of preoperative carbohydrate loading on recovery after elective surgery. Br J Surg. 2017 Feb;104(3):187-197. doi: 10.1002/bjs.10408. Epub 2016 Dec 21.

    PubMed 28000931
  • Sokolic J, Knezevic D, Kuharic J, Medved I, Sustic A, Zupan Z, Laskarin G, Tadin T, Sotosek Tokmadzic V. Decrease of Perforin Expressing Lymphocytes after On-Pump Coronary Artery Bypass Grafting Surgery Irrespective of Carbohydrate Preoperative Oral Feeding. Heart Surg Forum. 2019 May 22;22(3):E218-E224. doi: 10.1532/hsf.2003.

    PubMed 31237547
  • Lee B, Soh S, Shim JK, Kim HY, Lee H, Kwak YL. Evaluation of preoperative oral carbohydrate administration on insulin resistance in off-pump coronary artery bypass patients: A randomised trial. Eur J Anaesthesiol. 2017 Nov;34(11):740-747. doi: 10.1097/EJA.0000000000000637.

    PubMed 28437263
  • Rapp-Kesek D, Stridsberg M, Andersson LG, Berne C, Karlsson T. Insulin resistance after cardiopulmonary bypass in the elderly patient. Scand Cardiovasc J. 2007 Apr;41(2):102-8. doi: 10.1080/14017430601050355.

    PubMed 17454835
  • Jarvela K, Maaranen P, Sisto T. Pre-operative oral carbohydrate treatment before coronary artery bypass surgery. Acta Anaesthesiol Scand. 2008 Jul;52(6):793-7. doi: 10.1111/j.1399-6576.2008.01660.x. Epub 2008 May 12.

    PubMed 18477073
  • Feguri GR, Lima PR, Lopes AM, Roledo A, Marchese M, Trevisan M, Ahmad H, Freitas BB, Aguilar-Nascimento JE. Clinical and metabolic results of fasting abbreviation with carbohydrates in coronary artery bypass graft surgery. Rev Bras Cir Cardiovasc. 2012 Jan-Mar;27(1):7-17. doi: 10.5935/1678-9741.20120004. English, Portuguese.

    PubMed 22729296
  • Feguri GR, Lima PRL, Franco AC, Cruz FRH, Borges DC, Toledo LR, Segri NJ, Aguilar-Nascimento JE. Benefits of Fasting Abbreviation with Carbohydrates and Omega-3 Infusion During CABG: a Double-Blind Controlled Randomized Trial. Braz J Cardiovasc Surg. 2019 Mar-Apr;34(2):125-135. doi: 10.21470/1678-9741-2018-0336.

    PubMed 30916121
  • Feguri GR, de Lima PRL, de Cerqueira Borges D, Toledo LR, Batista LN, E Silva TC, Segri NJ, de Aguilar-Nascimento JE. Preoperative carbohydrate load and intraoperatively infused omega-3 polyunsaturated fatty acids positively impact nosocomial morbidity after coronary artery bypass grafting: a double-blind controlled randomized trial. Nutr J. 2017 Apr 20;16(1):24. doi: 10.1186/s12937-017-0245-6.

    PubMed 28427403
  • Egger M, Davey Smith G, Schneider M, Minder C. Bias in meta-analysis detected by a simple, graphical test. BMJ. 1997 Sep 13;315(7109):629-34. doi: 10.1136/bmj.315.7109.629.

    PubMed 9310563
  • DerSimonian R, Laird N. Meta-analysis in clinical trials. Control Clin Trials. 1986 Sep;7(3):177-88. doi: 10.1016/0197-2456(86)90046-2.

    PubMed 3802833
  • Higgins JP, Altman DG, Gotzsche PC, Juni P, Moher D, Oxman AD, Savovic J, Schulz KF, Weeks L, Sterne JA; Cochrane Bias Methods Group; Cochrane Statistical Methods Group. The Cochrane Collaboration's tool for assessing risk of bias in randomised trials. BMJ. 2011 Oct 18;343:d5928. doi: 10.1136/bmj.d5928.

    PubMed 22008217

Questions about this trial

What is this clinical trial studying?

A study testing Carbohydrate loading before surgery in people with Heart Surgery and Ischemic Heart Disease, run by Damascus University at 1 site in Syria.

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 4 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: looking for participants now, as of the sponsor's last update on 1 Sep 2026. 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 Syria. 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.

Are results available for this study?

This study is still under way. Results are not available in the source record yet.

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

Contact Mohammad B Izzat, FRCS(CTh) (+963943240820, mbizzat@gmail.com), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Short Insulin Tolerance Test (KITT) (time frame: Preoperatively and up to 72 hours postoperatively). 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 NCT06951308, which also lists 20 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 1 Sep 2026.

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