NCT03393598

Brief Summary

This study aims to investigate the preparation of the recipient site prior to autologous fat grafting (AFG) using different methods.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
60

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started Jan 2018

Longer than P75 for not_applicable

Geographic Reach
1 country

2 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

December 12, 2017

Completed
27 days until next milestone

First Posted

Study publicly available on registry

January 8, 2018

Completed
Same day until next milestone

Study Start

First participant enrolled

January 8, 2018

Completed
6.3 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 11, 2024

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

April 11, 2024

Completed
Last Updated

March 12, 2025

Status Verified

March 1, 2025

Enrollment Period

6.3 years

First QC Date

December 12, 2017

Last Update Submit

March 10, 2025

Conditions

Outcome Measures

Primary Outcomes (1)

  • Fat-graft survival volume

    percent remaining

    24 (+/-2) weeks after surgery

Secondary Outcomes (4)

  • POSAS (Patient and Observer Scar Assesment Scale)

    day 7 (+/-3), week 12 (+/-2), week 24 (+/-2)

  • Occurence of Site infection

    day 7 (+/-3), week 12 (+/-2), week 24 (+/-2)

  • Surgical complication rate

    day 7 (+/-3), week 12 (+/-2), week 24 (+/-2)

  • Pain assessed by VAS (Visual Analogue Scale)

    day 7 (+/-3), week 12 (+/-2), week 24 (+/-2)

Study Arms (4)

pre-expansion using Kiwi® VAC-6000M

EXPERIMENTAL

Expansion will be performed using a complete vacuum delivery system called Kiwi® VAC-6000M with the PalmPumpTM (Clinical Innovations, South Murray, Utah, USA).

Device: pre-expansion using Kiwi® VAC-6000M.Device: pre-expansion-heating

pre-heating using Hilotherm Calido®.

EXPERIMENTAL

Pre-Heating will be preformed using a Hiloterm Calido® System.

Device: pre-heating using Hilotherm Calido®.Device: pre-expansion-heating

pre-expansion-heating

EXPERIMENTAL

Both preconditioning methods Hilotherm Calido® plus Kiwi® VAC-6000M- will be applied.

Device: pre-expansion using Kiwi® VAC-6000M.Device: pre-heating using Hilotherm Calido®.

Control

NO INTERVENTION

No preconditioning methods will be applied.

Interventions

The pre-expansion will be performed with Kiwi® VAC-6000M with the PalmPumpTM.

pre-expansion using Kiwi® VAC-6000Mpre-expansion-heating

The pre-heating will be performed with Hilotherm Calido®.

pre-expansion-heatingpre-heating using Hilotherm Calido®.

Both preconditioning methods - Kiwi® VAC-6000M and additionally Hilotherm Calido® - will be applied.

pre-expansion using Kiwi® VAC-6000Mpre-heating using Hilotherm Calido®.

Eligibility Criteria

Age18 Years - 65 Years
Sexfemale
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Informed Consent as documented by signature
  • Patients presenting with contracted scars or body contouring deformities, especially as a result of previous radiation therapy or infection, in and around the breast.
  • Body mass index superior than 18.5

You may not qualify if:

  • Need for antiplatelets drugs in the 5 days before surgery and 3 days after,
  • Known or suspected non-compliance, drug or alcohol abuse,
  • Inability to follow the procedures of the study due to language problems, psychological disorders, dementia of the participant,
  • Previous enrolment into the current study,
  • Enrolment of the investigator, his or her family members, employees and other dependent persons,
  • Patients with haemorrhagic diatheses.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

University Hospital Switzerland, Dept. of plastic, reconstructive, aestetic and hand surgery

Basel, 4031, Switzerland

Location

Klinik Hirslanden, Plastic Surgery Group AG

Zurich, Switzerland

Location

MeSH Terms

Conditions

Disease

Condition Hierarchy (Ancestors)

Pathologic ProcessesPathological Conditions, Signs and Symptoms

Study Officials

  • Dirk J Schaefer, Prof MD

    Plastic, Reconstructive, Aesthetic, and Hand Surgery,

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

December 12, 2017

First Posted

January 8, 2018

Study Start

January 8, 2018

Primary Completion

April 11, 2024

Study Completion

April 11, 2024

Last Updated

March 12, 2025

Record last verified: 2025-03

Locations