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Abdominal Compartment SyndromeSADNCT01355094

Peritoneal Vacuum Therapy to Reduce Inflammatory Response From Abdominal Sepsis/Injury

A study testing KCI AbThera and "Stampede" VAC in people with Abdominal Compartment Syndrome and Intra-abdominal Hypertension, run by University of Calgary at 1 site in Canada.

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 study will evaluate the effectiveness in actively removing the peritoneal fluid through the use of a commercial suction device compared to passive drainage of the same peritoneal fluid drained through standard surgical drains under bulb suction only, in critically ill patients who require an "open abdomen". Read more about this study

Who is it for?
Ages 18 years and older
What is being tested?
KCI AbThera and "Stampede" VAC
Type of treatment
Medical device
Could I receive a placebo?
No, everyone receives an active treatment
How many people
50 participants
Where
1 siteCanada
Study dates
Jun 2011to Jun 2022
Phase
Interventional
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

  • Critically ill/injured requiring intensive care unit admission
  • Decision regarding the need to utilize an open abdomen technique after the first laparotomy
  • Age > 18
  • Non-pregnant

Who cannot join

  • Decision to formally close the abdomen after the initial laparotomy
  • Patients receiving intra-peritoneal chemotherapy
  • Pregnancy
  • Age < 18

Trial locations and contacts

1 site in 1 country.

Canada1 site
  • Foothills Medical Centre

    Calgary, Alberta, T2N 2T9

Other trials in Canada

About this study

Official title: Peritoneal Vacuum Therapy to Reduce the Systemic Inflammatory Insult From Intraperitoneal Sepsis/Injury/Hypertension: A Randomized Comparison of Baseline Wall Suction Versus the KCI AbThera™ Abdominal Dressing

This pilot study will evaluate the effectiveness in actively removing the peritoneal fluid through the use of a commercial suction device compared to passive drainage of the same peritoneal fluid drained through standard surgical drains under bulb suction only, in critically ill patients who require an "open abdomen". Both techniques being used, the commercial KCI AbThera™ device and home made "Stampede" VAC system, are currently approved for use in Canada and used in our facility.

The use or non-use of the open abdomen and its relationship to intra-abdominal hypertension (IAH) and the abdominal compartment syndrome (ACS), the level of IAH must be treated and if so how should be treated - remain controversial. The ultimate treatment for IAH/ACS is to leave the abdominal fascia open after laparotomy, utilizing some form of temporary abdominal closure (TAC) techniques, resulting in an "open abdomen"(OA). The decision to accept an OA can only be made in the operating room and is typically made quite arbitrarily (there is no current standard or protocol),and the TAC used is based on the surgeon's best judgment. The study intends to randomize patients after it has been decided that a TAC is required, which will be applied in the operating room while the patient is fully anesthetized. The only intervention required is to obtain small aliquots (a teaspoonful-15ml) of blood for the evaluation of inflammatory mediators levels, as well as the same volume of intra-peritoneal fluid-that is typically discarded in patients with OA.

Read the detailed description

Excessive pressure within the peritoneal cavity, known as intra-abdominal hypertension (IAH), can adversely affect not only intra-peritoneal organ function, but also other organ systems throughout the body. When IAH > 20 mmHg induces new organ dysfunction, a potentially lethal condition known as the abdominal compartment syndrome (ACS) is defined. Practically, this syndrome can be considered multi-system organ failure occurring from severe IAH. While the physical effects of IAH/ACS are increasingly being described, the humoral ones, related to IAH-induced ischemia are poorly understood. Recent animal work suggests that aggressively removing intra-peritoneal fluids, assumed to be vasoactive mediator-rich, leads to better systemic outcomes. There is no human data to support this however. Previous attempts at peritoneal drainage in inflammatory conditions such as sepsis and pancreatitis where not conclusive, but this may have been due to the inefficiency of the systems used and the lack of attention to IAH. Recently, efficient systems providing a temporary abdominal closure (TAC) to both drain intra-peritoneal fluids and to control IAH have been introduced. One of these dressing systems, known as the KCI AbThera™ Abdominal Dressing is currently approved for use in Canada as a temporary abdominal closure (TAC) device but its role in ameliorating systemic sepsis/SIRS has not been evaluated.

We propose a randomized trial of using either the "home Calgary Stampede Vac" involving wall suction or the KCI AbThera™ Abdominal Dressing, to dress the abdomen whenever the operative surgeon determines that an open abdomen is warranted to treat the patient.

In general, others have hypothesized that cytokines, especially peritoneal levels, are sensitive indicators of the post-operative inflammatory reaction and may predict complications. In experimental models IL-6 levels are higher in non-survivors. Further, previous work has noted that the blood level of IL-6, which has a longer half life than TNF-α or IL-1β, is a good index of the overall cytokine cascade activation. Thus the main outcomes to be compared will be between mean cytokine levels measured in each of the two treatment groups - to determine if the KCI AbThera™ Abdominal Dressing can significantly reduce the blood concentration of IL-6 when compared with the "Stampede VAC" system. We are hoping to better understand how the body responds to the inflammatory process that naturally occurs during and after an episode of intra-abdominal hypertension, to identify signals or markers of inflammation and infection as well as its progression and outcome.

Being tested
KCI AbThera, "Stampede" VAC
Keywords
temporary abdomen closure, peritoneal vacuum therapy, open abdomen, abdominal compartment syndrome, intra-abdominal sepsis, intra-abdominal hypertension, critical care
Medical subject headings
Intra-Abdominal Hypertension

What participants receive

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

  • KCI AbTheraDevice

    The time that the dressing will be left in place will be left to the discretion of the attending surgeon, but revised practice guidelines mandate either formal abdominal closure or dressing change at 24-96 hours from placement. Upon the first OA dressing change, the surgeon is free to utilize whatever temporary closure they choose.

    Just prior to placement of the dressing, 16 ml (1 table spoon) of blood will be drawn from an existing arterial or venous line (this will qualify as Day 1). The same quantity of blood will be drawn on days 2, 3, 7 and 28 (or hospital discharge, whichever comes first). 15ml of peritoneal fluid will also be collected from the abdomen on the same days or until closure of the abdomen and removal of the dressing.

  • "Stampede" VACDevice

    The time that the dressing will be left in place will be left to the discretion of the attending surgeon, but revised practice guidelines mandate either formal abdominal closure or dressing change at 24-96 hours from placement. Upon the first OA dressing change, the surgeon is free to utilize whatever temporary closure they choose.

    Just prior to placement of the dressing, 16 ml (1 table spoon) of blood will be drawn from an existing arterial or venous line (this will qualify as Day 1). The same quantity of blood will be drawn on days 2, 3, 7 and 28 (or hospital discharge, whichever comes first). 15ml of peritoneal fluid will also be collected from the abdomen on the same days or until closure of the abdomen and removal of the dressing.

Study groups in NCT01355094
Study groupRoleWhat they receive
"Stampede" VACActive comparatorCalgary-home-made "Stampede" VAC system with only closed drain bulb suction
Receives: Device: "Stampede" VAC
KCI AbTheraExperimentalcommercial AbThera vacuum assisted abdominal closure at 125 mmHg suction
Receives: Device: KCI AbThera

What is being measured

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

  1. Systemic inflammatory marker levels and peritoneal fluid inflammatory marker levels

    Intra-peritoneal and plasma inflammatory mediators will be measured on a treatment allocation basis immediately after initiation of the TAC, and thereafter at 2, 3, 7 and 28 days. The mediators studied will include, but are not limited to TNF-α, IL-1β, IL-6, IL-10, IL-12, and CRP.

    Measured: admission to dicharge, expected average of hospital stay 4 weeks.

Secondary outcomes (2)
  1. Physiological Outcomes

    Determination of the type and activation status of inflammatory cells present in the peritoneal fluid, Measurement of the activation potential of peritoneal fluid, Peritoneal fluid drainage volume, Post-operative fluid balance, Mean 24 hour intra-abdominal pressure (IAP), daily WSACS IAH grading classification, APACHE II score, SOFA score, PaO2/FiO2 ratio, Oxygenation Index, Vasopressor Requirements,RIFLE score, Need for renal replacement therapy, Mean 24 hour lactate level, Mean 24 hour enteral tolerance (if no anastomosis)

    Measured: admission to hospital discharge; expected average of hospital stay 4 weeks.

  2. Global Outcomes

    Death, days with fascial closure for the month after admission, ventilator free days for the month after admission, ICU free days from the month after admission, days free of renal replacement therapy.

    Measured: patients will be followed-up for 6 months

Timeline

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

  1. First posted17 May 2011 (estimated)
  2. Study startJun 2011
  3. Primary completionJun 2022
  4. Study completionJun 2022

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
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
50 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01355094
Sponsor's protocol ID
E-23706
Acronym
SAD
Status last verified
Feb 2023
First submitted
12 May 2011
Last updated
3 Feb 2023
Results posted
No
Data monitoring committee
No
Individual data sharing
No: No plan

Publications

  • Nathens AB, Brenneman FD, Boulanger BR. The abdominal compartment syndrome. Can J Surg. 1997 Aug;40(4):254-8.

    PubMed 9267292
  • Kirkpatrick AW, Baxter KA, Simons RK, Germann E, Lucas CE, Ledgerwood AM. Intra-abdominal complications after surgical repair of small bowel injuries: an international review. J Trauma. 2003 Sep;55(3):399-406. doi: 10.1097/01.TA.0000060248.87046.EE.

    PubMed 14501878
  • Kirkpatrick AW, De Waele JJ, Ball CG, Ranson K, Widder S, Laupland KB. The secondary and recurrent abdominal compartment syndrome. Acta Clin Belg. 2007;62 Suppl 1:60-5.

    PubMed 17469702
  • Ball CG, Kirkpatrick AW, McBeth P. The secondary abdominal compartment syndrome: not just another post-traumatic complication. Can J Surg. 2008 Oct;51(5):399-405.

    PubMed 18841232
  • Ball CG, Kirkpatrick AW. Intra-abdominal hypertension and the abdominal compartment syndrome. Scand J Surg. 2007;96(3):197-204. doi: 10.1177/145749690709600303. No abstract available.

    PubMed 17966744
  • Schein M, Wittmann DH, Aprahamian CC, Condon RE. The abdominal compartment syndrome: the physiological and clinical consequences of elevated intra-abdominal pressure. J Am Coll Surg. 1995 Jun;180(6):745-53. No abstract available.

    PubMed 7773495
  • Balogh ZJ, van Wessem K, Yoshino O, Moore FA. Postinjury abdominal compartment syndrome: are we winning the battle? World J Surg. 2009 Jun;33(6):1134-41. doi: 10.1007/s00268-009-0002-x.

    PubMed 19343417
  • Malbrain ML, Cheatham ML, Kirkpatrick A, Sugrue M, Parr M, De Waele J, Balogh Z, Leppaniemi A, Olvera C, Ivatury R, D'Amours S, Wendon J, Hillman K, Johansson K, Kolkman K, Wilmer A. Results from the International Conference of Experts on Intra-abdominal Hypertension and Abdominal Compartment Syndrome. I. Definitions. Intensive Care Med. 2006 Nov;32(11):1722-32. doi: 10.1007/s00134-006-0349-5. Epub 2006 Sep 12.

    PubMed 16967294
  • Cheatham ML, Malbrain ML, Kirkpatrick A, Sugrue M, Parr M, De Waele J, Balogh Z, Leppaniemi A, Olvera C, Ivatury R, D'Amours S, Wendon J, Hillman K, Wilmer A. Results from the International Conference of Experts on Intra-abdominal Hypertension and Abdominal Compartment Syndrome. II. Recommendations. Intensive Care Med. 2007 Jun;33(6):951-62. doi: 10.1007/s00134-007-0592-4. Epub 2007 Mar 22.

    PubMed 17377769
  • Mayberry JC, Mullins RJ, Crass RA, Trunkey DD. Prevention of abdominal compartment syndrome by absorbable mesh prosthesis closure. Arch Surg. 1997 Sep;132(9):957-61; discussion 961-2. doi: 10.1001/archsurg.1997.01430330023003.

    PubMed 9301607
  • Fietsam R Jr, Villalba M, Glover JL, Clark K. Intra-abdominal compartment syndrome as a complication of ruptured abdominal aortic aneurysm repair. Am Surg. 1989 Jun;55(6):396-402.

    PubMed 2729780
  • Raeburn CD, Moore EE, Biffl WL, Johnson JL, Meldrum DR, Offner PJ, Franciose RJ, Burch JM. The abdominal compartment syndrome is a morbid complication of postinjury damage control surgery. Am J Surg. 2001 Dec;182(6):542-6. doi: 10.1016/s0002-9610(01)00821-2.

    PubMed 11839314
  • Balogh Z, McKinley BA, Cocanour CS, Kozar RA, Holcomb JB, Ware DN, Moore FA. Secondary abdominal compartment syndrome is an elusive early complication of traumatic shock resuscitation. Am J Surg. 2002 Dec;184(6):538-43; discussion 543-4. doi: 10.1016/s0002-9610(02)01050-4.

    PubMed 12488160
  • Ball CG, Kirkpatrick AW, Karmali S, Malbrain ML, Gmora S, Mahabir RC, Doig C, Hameed SM. Tertiary abdominal compartment syndrome in the burn injured patient. J Trauma. 2006 Nov;61(5):1271-3. doi: 10.1097/01.ta.0000198554.25893.f2. No abstract available.

    PubMed 17099543
  • Malbrain ML, Chiumello D, Pelosi P, Bihari D, Innes R, Ranieri VM, Del Turco M, Wilmer A, Brienza N, Malcangi V, Cohen J, Japiassu A, De Keulenaer BL, Daelemans R, Jacquet L, Laterre PF, Frank G, de Souza P, Cesana B, Gattinoni L. Incidence and prognosis of intraabdominal hypertension in a mixed population of critically ill patients: a multiple-center epidemiological study. Crit Care Med. 2005 Feb;33(2):315-22. doi: 10.1097/01.ccm.0000153408.09806.1b.

    PubMed 15699833

Questions about this trial

What is this clinical trial studying?

A study testing KCI AbThera and "Stampede" VAC in people with Abdominal Compartment Syndrome and Intra-abdominal Hypertension, run by University of Calgary at 1 site in Canada.

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 4 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: finished, as of the sponsor's last update on 3 Feb 2023. 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 Canada. 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?

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?

Systemic inflammatory marker levels and peritoneal fluid inflammatory marker levels (time frame: admission to dicharge, expected average of hospital stay 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 NCT01355094, which also lists 48 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 3 Feb 2023.

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