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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT04488666
Registration number
NCT04488666
Ethics application status
Date submitted
21/07/2020
Date registered
28/07/2020
Date last updated
2/11/2023
Titles & IDs
Public title
Clinical Evaluation of a Novel Incisional NPWT System
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Scientific title
A Clinical Evaluation of a Novel, Single-Use, Negative Pressure Wound Therapy (NPWT) System for the Management of Closed Surgical Wounds
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Secondary ID [1]
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2020-01
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Universal Trial Number (UTN)
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Surgical Wound
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Condition category
Condition code
Surgery
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Other surgery
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Devices - npSIMS
Experimental: npSIMS - Group will receive the Aatru Medical npSIMS device
Treatment: Devices: npSIMS
incisional NPWT
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Intervention code [1]
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Treatment: Devices
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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Mean (median) number of days of negative pressure delivered to the incision up to day 7
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Assessment method [1]
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To assess the maintenance and reliability with which negative pressure is delivered for the 7-day NPWT period.
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Timepoint [1]
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7 days
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Secondary outcome [1]
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Mean (median) clinician assessment of exudate management on 5-point Numerical Rating Score (NRS) at day 7 ±2 and at any npSIMS replacement.
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Assessment method [1]
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5 is excellent exudate management; 4 is good; 3 is adequate; 2 is poor; 1 is inadequate
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Timepoint [1]
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7 Days
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Secondary outcome [2]
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Mean (median) days wear time of the adhesive dressing up to day 7
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Assessment method [2]
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To assess the wear time of the adhesive dressing
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Timepoint [2]
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7 days
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Secondary outcome [3]
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Mean (median) days longevity of the chemical vacuum source up to day 7
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Assessment method [3]
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To assess the longevity of the chemical vacuum source
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Timepoint [3]
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7 Days
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Secondary outcome [4]
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Presence or absence of blisters on day 7 ±2
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Assessment method [4]
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Condition of the peri wound skin
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Timepoint [4]
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7 days
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Secondary outcome [5]
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Mean (median) overall observer and participant scores in the POSAS - Patient Observer Scar Assessment Scale on day 14 ±2 clinic follow up.
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Assessment method [5]
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To assess the appearance of the closed incision and scar. Each item of the POSAS is rated on a 10-point score. The lowest score is '1', which corresponds to the situation of normal skin (i.e. normal pigmentation, no itching). Score 10 equals the largest difference from normal skin (i.e. the worst imaginable scar or sensation)
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Timepoint [5]
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14 days
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Secondary outcome [6]
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Frequency of surgical wound complications according to the ASEPSIS wound score at day 14 ±2 clinic and day 30±2 remote follow up.
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Assessment method [6]
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Assess the Frequency of Surgical site infections. A higher ASEPSIS score indicates impaired wound healing (a score of \>10 indicates an increasing probability and severity of infection)
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Timepoint [6]
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30 Days
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Secondary outcome [7]
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Mean (median) wound pain score using a 0 -10 NRS (numerical rating score) by the study participant each day up to day 7±2. 10 is worst imaginable pain; 0 is no pain.
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Assessment method [7]
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To assess wound pain daily in the 7 day post-operative period
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Timepoint [7]
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7 days
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Secondary outcome [8]
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Frequency of adverse events (non-device related, and device related) up to day30 ±2
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Assessment method [8]
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To assess the occurrence of adverse events
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Timepoint [8]
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30 Days
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Secondary outcome [9]
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Mean (median) ease of use score from patients on 5-point NRS (numerical rating score) assessed at day 7 ±2. 5 is excellent ease of use; 4 is good; 3 is adequate; 2 is poor; 1 is inadequate
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Assessment method [9]
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To assess the ease of use by patients assessments
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Timepoint [9]
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7 days To assess the ease of use by patients assessments
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Secondary outcome [10]
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Mean (median) ease of use score from clinicians on 5-point NRS (numerical rating score) assessed at day 7 ±2. 5 is excellent ease of use; 4 is good; 3 is adequate; 2 is poor; 1 is inadequate
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Assessment method [10]
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To assess the ease of use by clinicians assessments
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Timepoint [10]
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7 days
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Secondary outcome [11]
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Mean (median) score of overall clinician acceptability of the NPWT system (pump & dressing) on 5-point NRS assessed at day 14 ±2. 5 is Excellent incision management system; 4 is good; 3 is adequate; 2 is poor; 1 is inadequate
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Assessment method [11]
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To assess overall clinician acceptability of the NPWT system
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Timepoint [11]
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14 days
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Eligibility
Key inclusion criteria
1. Participant is male or female = 18 years of age 2. Participant will undergo an elective sternotomy, thoracotomy, caesarean section (C-section) or skin surgery incision with closure by sutures or staples 3. Participant will undergo a surgical procedure resulting in a closed approximately linear incision between 5 cm and 13 cm in length inclusive so that the npSIMS dressing covers the wound with a minimum of 1 cm overlap at each end 4. Participant is willing and able to take part in the study and provide written informed consent.
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Minimum age
18
Years
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Maximum age
No limit
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
1. Participants will undergo post-surgical radiotherapy or chemotherapy
2. Participants who, in the opinion of the Investigator, have an existing health condition that would compromise their participation and follow-up in this study
3. Participant will undergo emergency surgery
4. Participant is sensitive to or known to have allergies to silicone/acrylic adhesives
5. Participant has malignancy in the wound bed or margins of the wound
6. Participant has wound with confirmed and untreated osteomyelitis
7. Participant has wound with non-enteric and unexplored fistulas
8. Participant has wound with necrotic tissue with eschar present
9. Participant has exposed arteries, veins, nerves or organs
10. Participant has exposed anastomotic sites
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Study design
Purpose of the study
Treatment
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Allocation to intervention
NA
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Open (masking not used)
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Who is / are masked / blinded?
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Intervention assignment
Single group
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Other design features
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Phase
NA
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Active, not recruiting
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
26/01/2021
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
1/02/2024
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Actual
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Sample size
Target
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Accrual to date
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Final
23
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Recruitment in Australia
Recruitment state(s)
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Recruitment outside Australia
Country [1]
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New Zealand
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State/province [1]
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Auckland
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
Aatru Medical LLC
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Address
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Country
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Other collaborator category [1]
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Other
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Name [1]
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NAMSA
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Address [1]
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Country [1]
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Ethics approval
Ethics application status
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Summary
Brief summary
A study of the first clinical use in humans of a novel NPWT system (npSIMS) to assess the suitability, safety and efficacy of the system for the management of closed surgical wounds
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Trial website
https://clinicaltrials.gov/study/NCT04488666
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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Jon Mathy, MD
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Address
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1Auckland Regional Plastic Surgery Unit and University of Auckland School of Medicine
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Country
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Phone
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Fax
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Email
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Contact person for public queries
Name
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Address
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Country
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Phone
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Fax
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Email
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Contact person for scientific queries
No information has been provided regarding IPD availability
What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
No documents have been uploaded by study researchers.
Results not provided in
https://clinicaltrials.gov/study/NCT04488666
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