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Cardiac SurgeryPhase 4APPLYNCT03306732

Thiamine Supplementation in High Risk Cardiac Surgery Patients

A Phase 4 study testing Thiamine hydrochloride (200mg) dissolved in 100 ml of normal saline and Normal saline (100ml) in people with Cardiac Surgery, run by Meshalkin Research Institute of Pathology of Circulation at 1 site in Russia.

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 pilot trial will evaluate the ability of thiamine to affect on postoperative vasoplegia in high risk cardiac surgery patients Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Cardiac Surgery
What is being tested?
Thiamine hydrochloride (200mg) dissolved in 100 ml of normal saline and Normal saline (100ml)
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
40 participants
Where
1 siteRussia
Study dates
19 Oct 2017to 18 Jun 2018
Phase
Phase 4
Are there results?
None posted in the registry

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 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Valve surgery + CABG that required cardiac surgery with CPB
  • Aged 18 years or older
  • Signed informed consent

Who cannot join

  • Emergency surgery
  • Chronic kidney disease of G4-G5 categories according to KDIGO criteria (at least one of the following present for > 3 months: glomerular filtration rate ≤ 29 ml/min/1.73 m2, history of kidney transplantation)
  • Known allergy to thiamine
  • Pregnancy
  • Current enrollment into another RCT (in the last 30 days)
  • Previous enrollment and randomisation into the APPLY trial
  • Administration of thiamine in the previous 30 day

Trial locations and contacts

1 site in 1 country.

Russia1 site
  • Meshalkin Research Institute of Pathology of Circulation

    Novosibirsk

Other trials in Russia

About this study

This pilot trial will evaluate the ability of thiamine to affect on postoperative vasoplegia in high risk cardiac surgery patients

Read the detailed description

Thiamine has a pivotal role and is an essential cofactor for pyruvate dehydrogenase activity. Widely known wet beri-beri is developed due to thiamine deficiency and characterized by vasodilatory shock and despaired oxygen extraction leading to kidney, heart and central nervous system dysfunction. Thiamine deficiency is often underestimated and even in primary absence of vitamin B1 deficiency, high-consumptive state of many critical illness and cardiac surgery itself can lead to its lack. Reported that in patients on chronic dialysis and patients with AKI requiring RRT thiamine deficiency is a usual finding. In cross-sectional observational study it has been shown that up to 33% of patients with a diagnosis of congestive heart failure (CHF) had thiamine deficiency due to chronic loop diuretic use. Also reported that 96% of patients (21 of 23) with heart failure receiving loop diuretic therapy (daily dose: 80-240 mg furosemide) developed thiamine deficiency. In prospective observational trial it has been shown that plasma thiamine levels were decreased after CABG surgery.

In a secondary analysis of a randomized, double-blind, placebo-controlled trial conducted in septic patients, thiamine supplementation showed highly-promising renal protective effect. Need for RRT was 8 patients (21%) in placebo group and 1 patient (3%) in thiamine group (p=0.04).

On the other hand it was unable to show any benefit of thiamine supplementation in patients undergoing CABG surgery. Although, postoperative oxygen consumption was significantly increased among patients receiving thiamine.

Nevertheless, existing evidence suggests that thiamine supplementation might be an attractive strategy in counteracting organ dysfunction and thus morbidity and mortality in high-risk cardiac surgical patients.

Conditions
Cardiac Surgery
Being tested
Thiamine hydrochloride (200mg) dissolved in 100 ml of normal saline, Normal saline (100ml)
Keywords
Thiamine, Thiamine Supplementation, Vasoplegia Syndrome, Inotropic support, Cardiac surgery, Renal Failure
Medical subject headings
Renal Insufficiency

What participants receive

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

  • Thiamine hydrochloride (200mg) dissolved in 100 ml of normal salineDrug

    • After anesthesia induction
    • After separation from CPB
    • On the evening of the day of surgery (22:00)
    • On POD 1 twice a day at 8:00 and 22:00
    • On POD 2 twice a day at 8:00 and 22:00 (if patient is still in ICU)
    • On POD 3 twice a day at 8:00 and 22:00 (if patient is still in ICU)
  • Normal saline (100ml)Drug

    • After anesthesia induction
    • After separation from CPB
    • On the evening of the day of surgery (22:00)
    • On POD 1 twice a day at 8:00 and 22:00
    • On POD 2 twice a day at 8:00 and 22:00 (if patient is still in ICU)
    • On POD 3 twice a day at 8:00 and 22:00 (if patient is still in ICU)
Study groups in NCT03306732
Study groupRoleWhat they receive
Thiamine groupActive comparatorNot described
Receives: Drug: Thiamine hydrochloride (200mg) dissolved in 100 ml of normal saline
Placebo groupPlacebo comparatorNot described
Receives: Drug: Normal saline (100ml)

What is being measured

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

  1. Recruitment rate

    Recruitment of trial patients: successful recruitment is defined as 2 patients per week on average

    Measured: 8 month

  2. Compliance with the protocol

    Successful compliance with protocol is defined as ≥ 90% of prescribed intervention being administered across all patients

    Measured: 8 month

Secondary outcomes (10)
  1. Vasoinotropic score

    dosage of vasoinotropic agents and total vasopressor/norepinephrine equivalent dose

    Measured: 3 days

  2. Peak lactate level after CPB weaning to 48 hours

    Measured: 48 hours

  3. The value of postoperative peak serum creatinine concentration during 3 postoperative days

    Measured: 3 days

  4. The incidence of acute kidney injury (AKI) according to "Kidney Disease: Improving Global Outcomes (KDIGO) criteria" during ICU stay

    Measured: 30 days

  5. The daily incidence of cardiovascular and renal dysfunction according to Sequential Organ Failure Assessment (SOFA) score during 48 hours postoperatively

    Measured: 48 hours

  6. Rates of postoperative complications

    Measured: 30 days

  7. Incidence of Treatment-Emergent Adverse Events

    The safety of high dose IV thiamine supplementation will be evaluated by comparison of adverse, serious adverse events and routinely assessed biochemical parameters (i.e. complete blood count, coagulation parameters, standard biochemistry, etc.)

    Measured: 30 days

  8. Availability of data needed

    We expect that loss of follow up will not exceed 5% and data loss less than 10%

    Measured: 8 month

  9. 7-day all-cause mortality (or mortality at any time during the first hospitalization)

    Measured: 7 days

  10. 30-day all-cause mortality

    Measured: 30 days

Timeline

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

  1. First posted11 Oct 2017
  2. Study start19 Oct 2017
  3. Primary completion18 May 2018
  4. Study completion18 Jun 2018

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
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Triple blind
Who is masked
Participant, Care provider, Investigator
Enrolment
40 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03306732
Sponsor's protocol ID
10
Acronym
APPLY
Status last verified
Jun 2018
First submitted
19 Sep 2017
Last updated
27 Jun 2018
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No

Publications

  • Wiesen P, Van Overmeire L, Delanaye P, Dubois B, Preiser JC. Nutrition disorders during acute renal failure and renal replacement therapy. JPEN J Parenter Enteral Nutr. 2011 Mar;35(2):217-22. doi: 10.1177/0148607110377205.

    PubMed 21378251
  • Seligmann H, Halkin H, Rauchfleisch S, Kaufmann N, Motro M, Vered Z, Ezra D. Thiamine deficiency in patients with congestive heart failure receiving long-term furosemide therapy: a pilot study. Am J Med. 1991 Aug;91(2):151-5. doi: 10.1016/0002-9343(91)90007-k.

    PubMed 1867241
  • Donnino MW, Cocchi MN, Smithline H, Carney E, Chou PP, Salciccioli J. Coronary artery bypass graft surgery depletes plasma thiamine levels. Nutrition. 2010 Jan;26(1):133-6. doi: 10.1016/j.nut.2009.06.004.

    PubMed 20005469
  • Andersen LW, Holmberg MJ, Doherty M, Khabbaz K, Lerner A, Berg KM, Donnino MW. Postoperative Lactate Levels and Hospital Length of Stay After Cardiac Surgery. J Cardiothorac Vasc Anesth. 2015 Dec;29(6):1454-60. doi: 10.1053/j.jvca.2015.06.007. Epub 2015 Jun 6.

    PubMed 26456273

Questions about this trial

What is this clinical trial studying?

A Phase 4 study testing Thiamine hydrochloride (200mg) dissolved in 100 ml of normal saline and Normal saline (100ml) in people with Cardiac Surgery, run by Meshalkin Research Institute of Pathology of Circulation at 1 site in Russia.

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 7 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 27 Jun 2018. 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 Russia. 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?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

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?

Recruitment rate (time frame: 8 month). The study lists 2 primary outcomes in all. 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 NCT03306732, which also lists 4 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 27 Jun 2018; AzTrials last refreshed its copy on 6 Nov 2026.

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