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Active, not recruitingNCT05977816PROPEL-2Updated Jul 21, 2026

PROPEL-2: Prophylactic Negative Pressure Wound Therapy in Laparotomy Wounds

An interventional study of Negative Pressure Wound Therapy and Standard wound dressing in Wound Surgical, Wound Infection and Cosmesis, sponsored by Royal College of Surgeons, Ireland. Active, not recruiting at 10 sites in Ireland. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2026-07-21.

Sponsored by Royal College of Surgeons, Ireland · Not applicable, Interventional, and Treatment

Phase
Not applicable
Study type
Interventional
Enrollment
2,000
Allocation
Randomized
Ages
18 Years and older
Sex
All
01

Study summary

Post-operative wound issues in abdominal surgery have a significant impact on patient outcomes. This study is taking place to investigate if Negative Pressure Wound Therapy (NPWT) dressings reduces Surgical Site Infections, post surgical complications and improves scar appearance compared to standard dressings.

Read the detailed description

NPWT dressings are designed to remove and absorb any fluid leaking from the wound. This might reduce surgical site infections, improve wound healing and improve scar appearance compared to using standard dressings.

Data is limited in the application of NPWT dressings to laparotomy incisions in the acute and elective care surgery setting. Surgical site infections can complicate a patient's post-operative course significantly, often necessitating a longer length of stay, antibiotic therapy, intervention for wound collections and impair patient mobility and overall recovery.

In addition to this, laparotomy wound complications can possibly delay adjuvant therapy and also increases healthcare costs both as an inpatient and in the community. Despite significant measures to reduce such complications in the form of wound care bundles, changing of gloves prior to wound closure etc., surgical site complications continue to represent a huge healthcare burden.

The Investigators are conducting this study to determine whether NPWT dressings reduce surgical site infections, improve wound healing and scar appearance. This study will also involve a cost-based analysis and seek information from patients on their quality of life. Results from this study will provide evidence on whether these dressings should be used as standard of care for management of surgical laparotomy wounds.

02

Conditions studied

  • Wound Surgical
  • Wound Infection
  • Cosmesis

Keywords

  • Negative Pressure Wound Therapy
  • Surgical site Infection
  • Laparotomy
  • Post-operative Complications
  • Abdominal Incision
  • health economics
  • POSAS
  • CoPaQ
03

In context

Surgical Wound

519 studies on the registry are indexed under Surgical Wound; 71 are open to participants now.

This study's planned enrollment of 2,000 is above the median of 80 across 412 interventional studies indexed under Surgical Wound.

Browse Surgical Wound studies →

Lead sponsor

Royal College of Surgeons, Ireland is the lead sponsor of 93 studies on the registry; 44 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • Aged 18 years or older
  • Patient requires visceral abdominal surgery via a midline laparotomy
  • Patients who can complete questionnaires

Exclusion criteria

Exclusion Criteria:

  • Patients who are unable to adhere to protocol requirements
05

Study design

Phase
Not applicable
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Single (Outcomes assessor)
Enrollment
2,000 participants (estimated)

Study arms

  • Experimental
    Negative Pressure Wound Therapy

    The wound is dressed using negative pressure wound therapy.

    Device: Negative Pressure Wound Therapy

  • Active comparator
    Standard Wound dressing

    After the skin is closed, the wound is covered using sterile standard gauze dressing.

    Other: Standard wound dressing

Interventions

  • DeviceNegative Pressure Wound Therapy

    Application of a negative wound pressure therapy dressing to the wound post laparotomy

  • OtherStandard wound dressing

    Application of a standard wound dressing to the wound post laparotomy

06

What researchers measure

Primary outcomes

  1. Rate of Surgical Site Infection (SSI)

    To compare the rate of surgical site infections within 1 month of the surgical procedure, using Negative Pressure Wound Therapy compared to standard dressings. SSIs will be classified according to Centre for Disease Control (CDC) criteria.

    Time frame: 1 month following surgery

  2. Rate of Surgical Site Infection (SSI)

    To compare the rate of surgical site infections within 3 months of the surgical procedure, using Negative Pressure Wound Therapy compared to standard dressings. SSIs will be classified according to Centre for Disease Control (CDC) criteria.

    Time frame: 3 months following surgery

  3. Rate of Surgical Site Infection (SSI)

    To compare the rate of surgical site infections within 6 months of the surgical procedure, using Negative Pressure Wound Therapy compared to standard dressings. SSIs will be classified according to Centre for Disease Control (CDC) criteria.

    Time frame: 6 months following surgery

Secondary outcomes

  1. Health-related quality of life with the EuroQol-5 dimensions five level index questionnaire (EQ-5D-5L)

    The questionnaire covers five dimensions of health: mobility, self-care, usual activities, pain or discomfort, and anxiety or depression. Each dimension has 5 levels: no problems (1), slight problems (2), moderate problems (3), severe problems (4) and extreme problems (5). The patient is asked to indicate his/her health state by ticking the box next to the most appropriate statement in each of the five dimensions. The raw scores are also converted to an EQ-5D index value using a scoring algorithm (British tariff) ranging from -0.594 (worst perceived health state) to 1.00 (best perceived health state)

    Time frame: Baseline

  2. Health-related quality of life with the EuroQol-5 dimensions five level index questionnaire (EQ-5D-5L)

    The questionnaire covers five dimensions of health: mobility, self-care, usual activities, pain or discomfort, and anxiety or depression. Each dimension has 5 levels: no problems (1), slight problems (2), moderate problems (3), severe problems (4) and extreme problems (5). The patient is asked to indicate his/her health state by ticking the box next to the most appropriate statement in each of the five dimensions. The raw scores are also converted to an EQ-5D index value using a scoring algorithm (British tariff) ranging from -0.594 (worst perceived health state) to 1.00 (best perceived health state)

    Time frame: 1 month following surgery

  3. Health-related quality of life with the EuroQol-5 dimensions five level index questionnaire (EQ-5D-5L)

    The questionnaire covers five dimensions of health: mobility, self-care, usual activities, pain or discomfort, and anxiety or depression. Each dimension has 5 levels: no problems (1), slight problems (2), moderate problems (3), severe problems (4) and extreme problems (5). The patient is asked to indicate his/her health state by ticking the box next to the most appropriate statement in each of the five dimensions. The raw scores are also converted to an EQ-5D index value using a scoring algorithm (British tariff) ranging from -0.594 (worst perceived health state) to 1.00 (best perceived health state)

    Time frame: 3 months following surgery

  4. Health-related quality of life with the EuroQol-5 dimensions five level index questionnaire (EQ-5D-5L)

    The questionnaire covers five dimensions of health: mobility, self-care, usual activities, pain or discomfort, and anxiety or depression. Each dimension has 5 levels: no problems (1), slight problems (2), moderate problems (3), severe problems (4) and extreme problems (5). The patient is asked to indicate his/her health state by ticking the box next to the most appropriate statement in each of the five dimensions. The raw scores are also converted to an EQ-5D index value using a scoring algorithm (British tariff) ranging from -0.594 (worst perceived health state) to 1.00 (best perceived health state)

    Time frame: 6 months following surgery

  5. Scar assessment - using the Patient and Observer Scar Assessment Scale (POSAS)

    The POSAS is made up of two scales: the patient scale and the observer scale; each of the six components is scored numerically on a scale of 1 to 10. The component scores are then added together; the worst scar would receive a score of 60, while the best scar would receive a score of 6

    Time frame: 1 month following surgery

  6. Scar assessment - using the Patient and Observer Scar Assessment Scale (POSAS)

    The POSAS is made up of two scales: the patient scale and the observer scale; each of the six components is scored numerically on a scale of 1 to 10. The component scores are then added together; the worst scar would receive a score of 60, while the best scar would receive a score of 6

    Time frame: 3 months following surgery

  7. Scar assessment - using the Patient and Observer Scar Assessment Scale (POSAS)

    The POSAS is made up of two scales: the patient scale and the observer scale; each of the six components is scored numerically on a scale of 1 to 10. The component scores are then added together; the worst scar would receive a score of 60, while the best scar would receive a score of 6

    Time frame: 6 months following surgery

  8. Health-related out-of- Pocket Costs assessed using the Costs for Patients Questionnaire (CoPaQ)

    The CoPaQ measures patient and caregivers out-of-pocket expenses (direct and indirect) associated with a health condition

    Time frame: 1 month

  9. Health-related out-of- Pocket Costs assessed using the Costs for Patients Questionnaire (CoPaQ)

    The CoPaQ measures patient and caregivers out-of-pocket expenses (direct and indirect) associated with a health condition

    Time frame: 3 months

  10. Health-related out-of- Pocket Costs assessed using the Costs for Patients Questionnaire (CoPaQ)

    The CoPaQ measures patient and caregivers out-of-pocket expenses (direct and indirect) associated with a health condition

    Time frame: 6 months

  11. Health Economics evaluation of resource use and cost effectiveness using Negative Pressure Wound Therapy dressings

    Investigating resource use and cost effectiveness of single-use, prophylactic negative pressure wound therapy versus standard dressings for midline laparotomy wounds based on length of hospital stay and costs of dressings

    Time frame: 6 months

  12. Healthcare incremental cost- utility ratio

    The incremental cost-effectiveness ratio at 6 months for NPWT vesus standard dressings for patients undergoing laparotomy.The effectiveness will be expressed as quality adjusted life years (QALYs) in a cost-utility analysis. QALYs are a composite measure of outcomes where utilities for health states (on 0-1 scale, where 0 corresponds to death and 1 to full health) act as qualitative weights to combine quantity and quality of life. The number of QALYs in each group will be assessed with the EuroQol 5 Dimensions questionnaire (EQ5D). The EQ-5D measures health status in terms of mobility, self-care, usual activities, pain/discomfort and anxiety/depression

    Time frame: 6 months

  13. Healthcare cost-effectiveness ratio at 6 months

    Assessment of the cost-effectiveness ratio at 6 months between NPWT dressings compared to standard dressings. The criteria of effectiveness used will be; Length of hospital stay, requirement for return to theatre, requirement for critical care and number of dressings used

    Time frame: 6 months

07

Study locations

10 sites
  • Mayo University Hospital
    Castlebar, Ireland
  • Beaumont Hospital
    Dublin, Ireland
  • Mater Misericordiae University Hospital
    Dublin, Ireland
  • St James's Hospital
    Dublin, Ireland
  • Tallaght University Hospital
    Dublin, Ireland
  • University Hospital Galway
    Galway, Ireland
  • Letterkenny University Hospital
    Letterkenny, Ireland
  • University Hospital Limerick
    Limerick, Ireland
  • Sligo University Hospital
    Sligo, Ireland
  • University Hospital Waterford
    Waterford, Ireland
08

References and documents

Publications

  • Davey MG, Donlon NE, Walsh SR, Donohoe CL; PROPEL-2 Trial Collaborators. Prophylactic negative pressure wound therapy (NPWT) in laparotomy wounds (PROPEL-2): protocol for a randomized clinical trial. BJS Open. 2024 Jul 2;8(4):zrae081. doi: 10.1093/bjsopen/zrae081. PubMed 39178168 ↗

Individual participant data

Plan to share: No

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Jul 21, 2026, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT05977816
Lead sponsor
Royal College of Surgeons, Ireland
Responsible party
Sponsor
First posted
Aug 4, 2023
Start date
Jul 14, 2023
Primary completion
Sep 2026 (estimated)
Completion
Dec 2026 (estimated)
Last update
Jul 21, 2026

Study contacts

Claire Donohoe, PhD, FRCSI
principal investigator · Trinity College Dublin /Royal College of Surgeons

Oversight

Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is active, not recruiting, as verified in Jul 2026. You cannot join it, but the record below documents what was studied.

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