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Adjunct Study Protocol For Mentor H/S Silicone Gel-Filled Mammary Prostheses

This study is ongoing, but not recruiting participants.

Sponsored by: Memorial Sloan-Kettering Cancer Center
Information provided by: Memorial Sloan-Kettering Cancer Center
ClinicalTrials.gov Identifier: NCT00582153
  Purpose

This study willbe used to collect short-term (5 year) data about possible health problems associated with silicone gel implants. This data will be used to help see if the implants are both safe and effective.


Condition
Breast Reconstruction

MedlinePlus related topics:   Breast Reconstruction    Cancer   

U.S. FDA Resources

Study Type:   Observational
Study Design:   Case-Only, Prospective
Official Title:   Adjunct Study Protocol For Mentor H/S Silicone Gel-Filled Mammary Prostheses

Further study details as provided by Memorial Sloan-Kettering Cancer Center:

Primary Outcome Measures:
  • Evidence of breast implant complications [ Time Frame: 10 years 8 months ] [ Designated as safety issue: Yes ]

Biospecimen Retention:   None Retained

Biospecimen Description:

Estimated Enrollment:   250
Study Start Date:   April 1998
Estimated Study Completion Date:   December 2008
Estimated Primary Completion Date:   December 2008 (Final data collection date for primary outcome measure)

Detailed Description:

Breast implants have been used in nearly two million women for nearly 30 years. Although there are side effects and risks of having silicone breast implants, most women who have received them have had satisfactory results. Silicone gel breast implants are optional. They are used because they offer more normal breast consistency to palpation and minimize the possibility of ripple formation typically seen with saline breast implants. The advantage of silicone gel implants over saline implants is purely cosmetic. There are no health benefits to using silicone gel implants. All implants no matter what type require replacement eventually. The Food andDrug Administration (FDA) is concerned that we do not know enough about possible health problems from the silicone gel implants. The FDA has called for detailed studies and has allowed silicone gel implants to be used in these studies while the data is being collected. This study will be used to collect short-term (5 year) data about possible health problems associated with silicone gel implants. This data will be used to help see if the implants are both safe and effective.

  Eligibility
Genders Eligible for Study:   Female
Accepts Healthy Volunteers:   No
Sampling Method:   Non-Probability Sample

Study Population

Females who are candidates for breast reconstruction


Criteria

Inclusion Criteria:

  • The patient a genotypical female
  • The patient signed the Informed Consent Document prior to surgery
  • The patient agreed to complete all required follow-up visits
  • The patient wishes to participate in the Patient Registry, has agreed to conditions of the Implant Registry and is willing to follow the requirements of the Registry program
  • The patient agreed to follow the explant analysis procedures in which case the patient may be asked to authorize the sponsor to complete analysis on any study device(s) which may require removal throughout the duration of the study?
  • Based on general medical condition, medical history and psychological appropriateness, the medical attending staff deemed the patient an acceptable candidate for breast reconstruction?
  • The surgeon deemed saline implants unsuitable for the patient Note: Patient preference for silicone is NOT considered a medical condition.
  • The patient must have at least one of the following breast conditions:

    1. post-unilateral or bilateral mastectomy (immediate or delayed) as a result of cancer or other disease process?
    2. require reconstruction due to cancer treatments other than mastectomy
    3. require revision due to complications or other undesirable results of previous surgery for the above reasons
    4. the patient post-trauma defined as total or partial removal of the breast(s) through surgery (for any reason) or as a result of trauma itself?
    5. the patient has congenital deformities defined as Pectus Excavatum. Poland's Syndrome, or Pectus Carinatum
    6. the patient require a reconstruction procedure, such as mastopexy, as the result of severe ptosis?
    7. the patient require revision with implant replacement due to severe deformity caused by medical or surgical complications, regardless of original indication for implantation or type of device originally implanted?
    8. revision or replacement required for patients whose prior surgery was not the result of treatment for cancer and for whom saline implants are unsuitable (e.g.

      skin too thin, insufficient tissue, etc.) as deemed by the surgeon.

  • If a change in implant size is to be made, the surgeon has determined the necessity of the revision/replacement for medical reasons. If the size change is the only indication for surgery, and no medical necessity, the patient is ineligible. i) the patient requires contralateral mammaplasty in the unaffected breast as a result of the affected breast requiring surgery

Exclusion Criteria:

  • The patient desires augmentation mammaplasty and does not have at least one of the diagnoses identified in the inclusion criteria, question 8
  • The patient has an abscess or infection anywhere in their body at the time of study entry
  • The patient is currently pregnant or nursing
  • The patient has been diagnosed as having lupus defined as Systemic Lupus Erythematoses or Discoid Lupus, or scleroderma defined as progressive Systemic Sclerosis
  • The patient currently has uncontrolled diabetes or any diseases which are clinically known to impact wound healing ability
  • the patient demonstrates tissue characteristics which are clinically incompatible with mammaplasty (e.g., tissue damage resulting from radiation, inadequate tissue, compromise vascularity, or ulceration)
  • The patient possesses any condition or currently under the treatment for any condition,which in the opinion of the investigator and/or consulting physician(s), may constitute an unwarranted surgical risk
  • The patient demonstrates psychological characteristics such inappropriate attitude or motivation which, in the opinion of the investigator are incompatible with the risks involved with the surgical procedure and the prothesis
  • the patient unwilling to undergo any further surgery for revision (if required)
  Contacts and Locations

Please refer to this study by its ClinicalTrials.gov identifier: NCT00582153

Locations
United States, New York
Memorial Sloan-Kettering Cancer Center    
      New York, New York, United States, 10065

Sponsors and Collaborators
Memorial Sloan-Kettering Cancer Center

Investigators
Principal Investigator:     Peter Cordeiro, MD     Memorial Sloan-Kettering Cancer Center    
  More Information


Memorial Sloan-Kettering Cancer Center  This link exits the ClinicalTrials.gov site
 

Responsible Party:   Memorial Sloan-Kettering Cancer Center ( Peter Cordeiro, MD )
Study ID Numbers:   98-027
First Received:   December 21, 2007
Last Updated:   December 21, 2007
ClinicalTrials.gov Identifier:   NCT00582153
Health Authority:   United States: Food and Drug Administration

Keywords provided by Memorial Sloan-Kettering Cancer Center:
Breast  
Cancer  
Implants  
Reconstruction  

ClinicalTrials.gov processed this record on October 31, 2008




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