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Clinical Trial Details — Status: Not yet recruiting

Administrative data

NCT number NCT04214236
Other study ID # CAPS/01
Secondary ID
Status Not yet recruiting
Phase N/A
First received
Last updated
Start date February 1, 2020
Est. completion date January 31, 2023

Study information

Verified date December 2019
Source Azienda Ospedaliera, Ospedale Civile di Legnano
Contact Silvio Abatangelo, M.D.
Phone +39 (02) 97 96 3466
Email caps.trial@gmail.com
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The overarching goal of this research is to assess whether the post-operative use of closed-incision Negative Pressure Therapy (ciNPT) accelerates healing of surgical wounds, improves surgical outcomes, and reduces the rate of local complications in high-risk, obese, post-bariatric patients undergoing abdominal body-contouring procedures (abdominal panniculectomy or "abdominoplasty") compared to standard wound care.

The investigators postulate that ciNPT can cost-effectively improve outcomes and standard of post-surgical care in this specific category of patients.

This hypothesis will be tested through a prospective, interventional, case-control, randomized clinical trial.


Description:

In the United States (US) 37% of the adult population is obese and 5% is considered morbidly obese. Similar trends have been observed in Europe and more recently in Asia. A large number of obese patients seeks treatment through bariatric surgery or diet-lifestyle changes. The resulting massive loss of weight leaves patients with an excess cutaneous tissue, requiring body-contouring procedures.

In the US 85% of post-bariatric patients seek body-contouring surgeries. Due to systemic and local factors, these procedures show a rate of local complications as high as 68-80%, significantly prolonging hospitalization and increasing treatment-related costs.

Several clinical studies have shown that external suction (Closed Incision Negative-Pressure Therapy, ciNPT) can accelerate closure of surgical wounds in patients at high-risk for impaired/delayed healing and can significantly reduce the rate of local complications. The investigators believe that ciNPT might significantly decrease the rate of minor local complications in post-bariatric patients undergoing body-contouring procedures, and that this strategy could represent a cost-effective adjuvant treatment in body-contouring procedures.

The investigators' preliminary study experience on post-bariatric obese patients undergoing an abdominoplasty and post-operatively treated with ciNPT, showed that ciNPT promotes effective and prompt wound closure minimizing peri-operative/post-operative complications in these patients. The investigators also showed that ciPNT positively impacts the length of hospitalization and the rate of secondary surgeries in these patients.

Based on this successful preliminary experience, the invetsigators here propose to validate these findings in a prospective RCT.


Recruitment information / eligibility

Status Not yet recruiting
Enrollment 130
Est. completion date January 31, 2023
Est. primary completion date November 1, 2022
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria:

- previous bariatric surgery for weight loss

- candidate for/undergoing an abdominal panniculectomy (abdominoplasty)

- Residual BMI >30 kg/m2 at the time of the operation

- Evidence of pannus (abdominal) ptosis (Pittsburgh Rating Scale >2)

- Lipodystrophy and inelasticity of the skin

- Presence at the time of surgery of at least one local risk factor (e.g. a history or the presence of local complications such as skin blistering, recurrent erythema, panniculitis, or chronic infection; history of abdominal hernia or need for abdominal hernia repair) OR one systemic risk factor (diabetes, smoking habit, serum proteins below 6g/dL).

Exclusion Criteria:

- Severe systemic co-morbidities (defined as ASA III or higher)

- Malignant tumors

- Conditions or medications affecting wound healing (e.g. steroidal drugs or keloids)

- Known allergies to components of the treatment

- Presence of severe local cutaneous complications (open wounds, extensive infections) at the time of surgery.

Study Design


Related Conditions & MeSH terms

  • Cicatrix
  • Communicable Diseases
  • Hematoma
  • Incision
  • Incision Site Bleeding
  • Incision Site Complication
  • Incision Site Haematoma
  • Incision Site Infection
  • Incision Site Inflammation
  • Incision Site Rash
  • Incision Site Swelling
  • Incision Surgical
  • Infection
  • Inflammation
  • Obesity
  • Obesity, Abdominal
  • Obesity, Morbid
  • Scar
  • Scarring
  • Scarring as Surgical Complication
  • Surgery--Complications
  • Surgical Site Infection
  • Surgical Wound
  • Surgical Wound Infection
  • Wound
  • Wound Complication
  • Wound Contamination
  • Wound Dehiscence
  • Wound Heal
  • Wound Infection
  • Wound; Abdomen
  • Wounds and Injuries

Intervention

Device:
ciNPT group
Closed-incision negative pressure therapy (ciNPT) will be applied for 7 day using continuous suction at 125 mmHg. To deliver ciNPT we will use a commercially available, FDA-approved device, used according to the manufacturer' indications (PREVENA™ Incision Management System (KCI, San Antonio, Texas, USA). After the first 7 post-operative days, subjects will discontinue the ciNPT and follow a standard wound care protocol.
Other:
Control group
Standard non-adherent surgical dressing (Vaseline petrolatum gauze) will be used for management of incisional wounds in the control group. Dressing changes will be performed per standard wound care protocol.

Locations

Country Name City State
n/a

Sponsors (2)

Lead Sponsor Collaborator
Azienda Ospedaliera, Ospedale Civile di Legnano Acelity

References & Publications (1)

Abatangelo S, Saporiti E, Giatsidis G. Closed Incision Negative-Pressure Therapy (ciNPT) Reduces Minor Local Complications in Post-bariatric Abdominoplasty Body Contouring: a Retrospective Case-Control Series. Obes Surg. 2018 Jul;28(7):2096-2104. doi: 10. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Rate of post-surgical local complications The change in post-surgical local complications (Skin blistering/necrosis, Surgical Site Infections, hematoma, seroma, need for re-operation) through 30 days after surgery. 30 days
Secondary Time-to-heal A change in time (days) to complete wound closure for treated groups vs. controls. <60 days
Secondary Scar quality: Vancouver Scar Scale A change in the macroscopic quality of scars at a 30 and 90 days follow up (measured with the Vancouver Scar Scale-VSS [Score range: 0-13, lower scores being a better outcome]). 30 and 90 days
Secondary Medical costs A change in direct medical costs (considering cumulative costs related to: hospitalization, standard and additional post-operative care, additional surgical and medical care for complications) in the first 60 days after surgery. 60 days
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