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The Effect of Heparin on Inhalation Injury

NCT ID: NCT01454869

Last Updated: 2012-12-17

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

WITHDRAWN

Clinical Phase

PHASE3

Study Classification

INTERVENTIONAL

Study Start Date

2012-02-29

Study Completion Date

2014-06-30

Brief Summary

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This is a prospective randomized clinical trial about the efficacy of heparin nebulization on lung injury score in inhalation burn injury in Mothary burn hospital. This study would consist of 170 burn patients with documented inhalation injury in 2 arms (control group and study group). Allocation ratio is1:1. Masking was not possible. The patients' primary outcome will be assessed for Lung Injury Scale and the patients' secondary outcome will be assessed for mortality, Coagulation tests (PT, PTT), ICU and hospital stay and duration of mechanical ventilation support. Duration of this study is about 32 months.

Detailed Description

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This study would consist of 170 burn patients with documented smoke inhalation injury who will be randomized to receive either standard care alone (control group) or standard care plus heparin nebulization in combination with intravenously administrated fresh frozen plasma (study group). Standard care treatment consist of: chest physiotherapy ,early ambulation, airway suctioning, bronchial hygiene therapy , salbutamol nebulization (100-200 µgQ4h)/N-acetyl cysteine 20% nebulization (3cc Q4h) and if needed mechanical ventilation support. Study care treatment consist of: Standard care + Heparin nebulized administration(5000U every 4 hours for 7 days) and fresh frozen plasma intravenously administration (10 cc/Kg daily for 7 days) The patients' primary outcome will be assessed for Lung Injury Scale (LIS) every day by using fallowing parameters: (1) chest X-ray evaluated for alveolar consolidation (2) ratio of the partial pressure of oxygen in arterial blood to the inspiratory fraction of oxygen (3) PEEP level if ventilated (4) respiratory compliance if known Parameter Finding Value Rx.Torax no alveolar consolidation 0 alveolar consolidation de 1 quadrant 1 alveolar consolidation de 2 quadrant 2 alveolar consolidation de 3 quadrant 3 alveolar consolidation de 4 quadrant 4 Hypoxemia PaO2/FIO2 \> 300 0 PaO2/FIO2 225 - 299 1 PaO2/FIO2 175 - 224 2 PaO2/FIO2 100 - 174 3 PaO2/FIO2 \< 100 4 PEEP PEEP \<= 5 cm H2O 0 PEEP 6 - 8 cm H2O 1 PEEP 9 - 11 cm H2O 2 PEEP 12 - 14 cm H2O 3 PEEP \>= 15 cm H2O 4 Compliance \>= 80 mL/cm H2O 0 compliance 60 - 79 mL/cm H2O 1 compliance 40 - 59 mL/cm H2O 2 compliance 20 - 39 mL/cm H2O 3 compliance \<= 19 mL/cm H2O 4 2 The patients' secondary outcome will be assessed for mortality(for 28 days post injury), Coagulation tests(PT,PTT) (for 7 days post injury),ICU and hospital stay(for 7 days post injury) and duration of mechanical ventilation support(for 7 days post injury). In each group 85 Patients will be selected by simple randomization. Allocation ratio is1:1. Blinding of this study was not possible.

PEEP: positive end expiratory pressure- PaO2: partial pressure of oxygen in arterial blood- FIO2: inspiratory fraction of oxygen PT: prothrombin time- PTT: partial thrombin time- ICU: intensive care unite- Rx: X-Ray

Conditions

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Heparin

Keywords

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heparin

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Standard care

nac + salotamul

Group Type ACTIVE_COMPARATOR

standard care

Intervention Type DRUG

Standard care treatment consist of chest physiotherapy ,early ambulation, airway suctioning, bronchial hygiene therapy , salbutamol nebulization(100-200 µgQ4h)/N-acetyl cysteine20% nebulization(3cc Q4h) and if needed mechanical ventilation support.

heparin group

heparin group

Group Type EXPERIMENTAL

Heparin

Intervention Type DRUG

Study group would consist of 85 burn patients with documented smoke inhalation injury who will be randomized to receive standard care plus heparin nebulization(5000U every 4 hours for 7 days) in combination with intravenously administrated fresh frozen plasma(10 cc/Kg daily for 7 days).

Interventions

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standard care

Standard care treatment consist of chest physiotherapy ,early ambulation, airway suctioning, bronchial hygiene therapy , salbutamol nebulization(100-200 µgQ4h)/N-acetyl cysteine20% nebulization(3cc Q4h) and if needed mechanical ventilation support.

Intervention Type DRUG

Heparin

Study group would consist of 85 burn patients with documented smoke inhalation injury who will be randomized to receive standard care plus heparin nebulization(5000U every 4 hours for 7 days) in combination with intravenously administrated fresh frozen plasma(10 cc/Kg daily for 7 days).

Intervention Type DRUG

Other Intervention Names

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routin new

Eligibility Criteria

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Inclusion Criteria

* Burn patients admitted to Motahary burn center with documented inhalation injury (as defined by clinical or bronchoscopic evaluation)

Exclusion Criteria

* Non-survivable burn patients;
* history of coagulation disease;
* chronic obstructive pulmonary disease(COPD);
* pneumonia diagnosed at admission;
* inability to confirm definitive diagnosis of inhalation injury and co poisoning or Cyanide hydrogen intoxication
Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Tehran University of Medical Sciences

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Seyed H Salehi, MD

Role: STUDY_CHAIR

Burn research of Tehran university of Medical Sciences

Locations

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Shahid Mothary Burn Hospital

Tehran, Tehran Province, Iran

Site Status

Countries

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Iran

References

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Maybauer MO, Rehberg S, Traber DL, Herndon DN, Maybauer DM. [Pathophysiology of acute lung injury in severe burn and smoke inhalation injury]. Anaesthesist. 2009 Aug;58(8):805-12. doi: 10.1007/s00101-009-1560-x. German.

Reference Type BACKGROUND
PMID: 19517070 (View on PubMed)

Brown M, Desai M, Traber LD, Herndon DN, Traber DL. Dimethylsulfoxide with heparin in the treatment of smoke inhalation injury. J Burn Care Rehabil. 1988 Jan-Feb;9(1):22-5. doi: 10.1097/00004630-198801000-00007.

Reference Type BACKGROUND
PMID: 3356738 (View on PubMed)

Enkhbaatar P, Esechie A, Wang J, Cox RA, Nakano Y, Hamahata A, Lange M, Traber LD, Prough DS, Herndon DN, Traber DL. Combined anticoagulants ameliorate acute lung injury in sheep after burn and smoke inhalation. Clin Sci (Lond). 2008 Feb;114(4):321-9. doi: 10.1042/CS20070254.

Reference Type BACKGROUND
PMID: 17927568 (View on PubMed)

Desai MH, Mlcak R, Richardson J, Nichols R, Herndon DN. Reduction in mortality in pediatric patients with inhalation injury with aerosolized heparin/N-acetylcystine [correction of acetylcystine] therapy. J Burn Care Rehabil. 1998 May-Jun;19(3):210-2. doi: 10.1097/00004630-199805000-00004.

Reference Type BACKGROUND
PMID: 9622463 (View on PubMed)

Cancio LC. Airway management and smoke inhalation injury in the burn patient. Clin Plast Surg. 2009 Oct;36(4):555-67. doi: 10.1016/j.cps.2009.05.013.

Reference Type BACKGROUND
PMID: 19793551 (View on PubMed)

Toon MH, Maybauer MO, Greenwood JE, Maybauer DM, Fraser JF. Management of acute smoke inhalation injury. Crit Care Resusc. 2010 Mar;12(1):53-61.

Reference Type BACKGROUND
PMID: 20196715 (View on PubMed)

Muller MJ, Pegg SP, Rule MR. Determinants of death following burn injury. Br J Surg. 2001 Apr;88(4):583-7. doi: 10.1046/j.1365-2168.2001.01726.x.

Reference Type BACKGROUND
PMID: 11298629 (View on PubMed)

Tredget EE, Shankowsky HA, Taerum TV, Moysa GL, Alton JD. The role of inhalation injury in burn trauma. A Canadian experience. Ann Surg. 1990 Dec;212(6):720-7. doi: 10.1097/00000658-199012000-00011.

Reference Type BACKGROUND
PMID: 2256764 (View on PubMed)

Shirani KZ, Pruitt BA Jr, Mason AD Jr. The influence of inhalation injury and pneumonia on burn mortality. Ann Surg. 1987 Jan;205(1):82-7. doi: 10.1097/00000658-198701000-00015.

Reference Type BACKGROUND
PMID: 3800465 (View on PubMed)

Darling GE, Keresteci MA, Ibanez D, Pugash RA, Peters WJ, Neligan PC. Pulmonary complications in inhalation injuries with associated cutaneous burn. J Trauma. 1996 Jan;40(1):83-9. doi: 10.1097/00005373-199601000-00016.

Reference Type BACKGROUND
PMID: 8577005 (View on PubMed)

Murakami K, Enkhbaatar P, Shimoda K, Mizutani A, Cox RA, Schmalstieg FC, Jodoin JM, Hawkins HK, Traber LD, Traber DL. High-dose heparin fails to improve acute lung injury following smoke inhalation in sheep. Clin Sci (Lond). 2003 Apr;104(4):349-56.

Reference Type BACKGROUND
PMID: 12653676 (View on PubMed)

Janne O, Kontula K, Vihko R. Review article: mechanism of action of female sex steroids. Acta Obstet Gynecol Scand Suppl. 1976;51:29-45. No abstract available.

Reference Type BACKGROUND
PMID: 180744 (View on PubMed)

Other Identifiers

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89-04-129-12415

Identifier Type: -

Identifier Source: org_study_id