Actively Recruiting

Phase Not Applicable
Age: 18Years - 65Years
All Genders
Healthy Volunteers
ID05975372

Blossom Smart Expander Device for Tissue Expander/Implant-Based Breast Reconstruction

Led by Stanford University · Updated on 2025-11-17

20

Participants Needed

1

Research Sites

N/A

Total Duration

On this page

Sponsors

S

Stanford University

Lead Sponsor

M

Marz Medical, Inc.

Collaborating Sponsor

AI-Summary

What this Trial Is About

Researchers are evaluating the Blossom Smart Expander Technology for two-staged tissue expander/implant-based breast reconstruction or augmentation. This study compares the clinical effectiveness of this new device, which aims to reduce the discomfort of frequent saline injections required by standard tissue expanders, by slowly and continuously injecting small amounts of saline based on pressure and volume. The goal is to tailor the expansion process to each patient's physiology. Participants will be randomly assigned to one of two groups: the intervention group will receive the Mentor Spectrum tissue expander combined with the Blossom Syringe Assist device, while the control group will receive the standard tissue expander without this device. Both devices are placed above the pectoralis major muscle during the first stage surgery. Follow-up visits will occur weekly to monitor progress and document clinical data until expansion is complete and surgical scars stabilize, followed by monthly visits as needed until the second stage surgery replaces the expander with a permanent implant. During the study, participants will attend regular postoperative visits starting within one week of surgery. Researchers will assess the time until tissue expansion completion, monitor any complications, and gather patient feedback on satisfaction and pain using surveys at various postoperative time points. The study expects expansion to complete between three and six months after the initial surgery, with complication monitoring continuing until device removal. Overall participation may last up to six months until the second surgery.

CONDITIONS

Brief Title

Blossom® Smart Expander Device for Tissue Expander/Implant-Based Breast Reconstruction

Who Can Participate

Age: 18Years - 65Years
All Genders
Healthy Volunteers

Eligibility Criteria

Eligible

You may qualify if you...

  • Women aged 18 years or older
  • Pursuing non-oncologic breast reconstruction or augmentation
  • Desire for two-staged tissue expander/implant-based breast reconstruction
  • Ability to understand and willingness to sign an English-language informed consent form
Not Eligible

You will not qualify if you...

  • Active breast cancer
  • Recent steroid use
  • Major medical conditions classified as ASA III or greater
  • Connective tissue disorders
  • Pregnancy or nursing
  • Inability to understand or sign English consent forms
  • Age over 65 years

AI-Screening

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Your Study Journey

Screening

Duration - 2 to 4 weeks

Participants are screened for eligibility to participate in the trial.

1 visit (in-person)

Surgery

Duration - 1 day

Participants undergo placement of a tissue expander device above the pectoralis major muscle as the first stage of breast reconstruction or augmentation surgery.

1 visit (in-person)

Post-operative Follow-up

Duration - 3 to 6 months

Participants have follow-up visits starting within 1 week after surgery, including weekly visits to document clinical data until tissue expansion is complete, surgical scars stabilize, and drains are removed.

Weekly visits for 3 to 6 months

Post-operative Follow-up

Duration - Variable monthly follow-up until second stage surgery

After completion of tissue expansion, participants have monthly follow-up visits as needed in preparation for the second stage surgery to exchange the tissue expander for a permanent implant.

Monthly visits as needed

Trial Site Locations

Total: 1 location

1

Stanford Hospital and Clinics

Palo Alto, California, United States, 94304

Actively Recruiting

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Research Team

D

Dung H Nguyen, MD, PharmD

E

Elizabeth Tadevosyan, BS

How is the study designed?

Study Type

INTERVENTIONAL

Masking

SINGLE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

PREVENTION

Number of Arms

2

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Frequently Asked Questions

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