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Study of the Carbon Dioxide Treatment for Fat Reduction

A Pilot Study of the Carbon Dioxide Treatment for Fat Reduction

Status
Active, not recruiting
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00974415
Enrollment
25
Registered
2009-09-10
Start date
2010-01-31
Completion date
2025-12-31
Last updated
2025-01-30

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Overweight

Keywords

BMI classification-overweight

Brief summary

The primary objective of this study is to demonstrate the efficacy and safety of the carbon dioxide for subcutaneous fat reduction.

Interventions

PROCEDURECO2

CO2 treatment delivered to randomized flank at each study visit

PROCEDURESham

Sham treatment to other flank at each study visit

Sponsors

Northwestern University
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
SINGLE (Subject)

Eligibility

Sex/Gender
ALL
Age
18 Years to 60 Years
Healthy volunteers
No

Inclusion criteria

* Male or female subject ages ≥ 18 years old * Body mass index (BMI) between 18.5-24.99. (BMI is defined as weight in pounds multiplied by 703 divided by the square of the height in inches). Subject in good health * Willing and able to abstain from partaking in any treatment other than the study procedure (existing or new) to promote body contouring and/or weight loss during the course of study participation. * Subject agrees to maintain their weight (i.e. within 5 pounds) by not making any changes to diet or lifestyle during the study. * The subject has the willingness and the ability to understand and provide informed consent for the use of their tissue and communicate with the investigator

Exclusion criteria

* Pregnant or lactating or intends to become pregnant in the next 9 months. * Unable to understand the protocol or to give informed consent * Any previous and/or pending procedures at the treatment area or that may likely affect the treatment area * Pending and/or anticipated major change in diet or exercise pattern in the six weeks following the last treatment or who has taken diet pills within the last 6 months. * History of asthma or chronic obstructive pulmonary diseases * Active skin disease or skin infection in the treatment area * Bleeding tendency or coagulopathy * Subject who are allergic to lidocaine * Any other condition that would, in the professional opinion of the investigator, potentially affect response or participation in the clinical study, or would pose as an unacceptable risk to the subject

Design outcomes

Primary

MeasureTime frame
Reduction of flank circumference6 months

Secondary

MeasureTime frame
10-point pain visual analog scale4 weeks
Any adverse events6 months
Patient satisfaction, determined by using patient satisfaction questionnaires.6 months

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026