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A Pilot Study Testing a Noninvasive Cryolipolysis Device Versus a High Intensity Focused Ultrasound Device for Fat Reduction

Pilot Study Comparing the Effectiveness of a Noninvasive Cryolipolysis Device vs. a High Intensity Focused Ultrasound Device for Fat Reduction: A Randomized Control Trial

Status
Active, not recruiting
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01976247
Enrollment
15
Registered
2013-11-05
Start date
2013-10-01
Completion date
2027-12-01
Last updated
2026-07-01

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

Conditions

Abdominal Fat

Brief summary

The purpose of this study is to compare the safety and effectiveness of the Zeltiq System and LipoSonix System for fat reduction and improving body shape.

Detailed description

At baseline visit, subjects who meet inclusion and exclusion criteria will be enrolled. Subjects will be randomly assigned to receive Zeltiq treatment to either their right or left flank The contralateral flank will receive Liposonix treatment. A total of three identical treatments will be completed monthly for 3 consecutive months. Subjects will return 4 weeks following the last treatment for follow up photography, measurements, and assessments. This study is a pilot study designed to determine feasibility of these procedures.

Interventions

DEVICEHigh Intensity Focused Ultrasound Device
DEVICENoninvasive Cryolipolysis Device

Sponsors

Northwestern University
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
SINGLE_GROUP
Primary purpose
OTHER
Masking
SINGLE (Outcomes Assessor)

Eligibility

Sex/Gender
FEMALE
Age
30 Years to 65 Years
Healthy volunteers
Yes

Inclusion criteria

1. Female subjects ages 30-65 years old. 2. Body mass index (BMI) between 18 and 29.99. (BMI is defined as weight in pounds multiplied by 703 divided by the square of the height in inches). 3. Subjects are in good health. 4. 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. 5. Subjects agree to maintain their weight (i.e. within 5 pounds) by not making any changes to diet or lifestyle during the study. 6. The subjects have the willingness and the ability to understand and provide informed consent for the use of their tissue and communicate with the investigator.

Exclusion criteria

1. Pregnant or lactating or intends to become pregnant in the next 9 months. 2. Unable to understand the protocol or to give informed consent. 3. Any previous and/or pending procedures at the treatment area or that may likely affect the treatment area. 4. 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.. 5. History of asthma or chronic obstructive pulmonary diseases. 6. Active skin disease or skin infection in the treatment area. 7. Bleeding tendency or coagulopathy. 8. Subjects who are allergic to lidocaine. 9. 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 frameDescription
Change in best overall cosmetic appearance (right side or left side better)rated by a blinded dermatologist from baseline to week 121 hour at baseline and week 12The primary outcome was a blinded rating of the treatment area (Noninvasive Cryolipolysis Device vs. a High Intensity Focused Ultrasound Device) with the best cosmetic appearance. A dermatologist will blindly evaluate the treated areas of each side from live subjects at baseline and on the final follow up visit (week 12).

Countries

United States

Contacts

PRINCIPAL_INVESTIGATORMurad Alam, MD

Northwestern University

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Jul 2, 2026