- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT07810270
Prospective Two-Year Cohort Study of Surgical and Implant Predictors of Breast Implant Displacement and Rotation After Aesthetic Augmentation
2. september 2026 opdateret af: Research Inc
This prospective inception cohort will follow women for ten years after primary or revision aesthetic breast implantation.
Pocket plane, incision route, implant texture, shape, volume, and operative pocket variables will be recorded.
Standardized clinical and photographic assessments will identify displacement and rotation.
The primary outcome is time to clinically significant implant malposition or rotation; direction, reoperation, patient-reported outcomes, and early postoperative predictors will also be analyzed.
Studieoversigt
Status
Rekruttering
Betingelser
Intervention / Behandling
Detaljeret beskrivelse
Participants will be enrolled before aesthetic breast implantation.
A standardized preoperative anatomic assessment and detailed operative record will establish implant and pocket characteristics.
Postoperative month 1 will serve as the reference position after early swelling decreases, and assessments will be repeated through years.
A locked landmark-based definition will distinguish clinically significant inferior, superior, medial, and lateral displacement and rotation.
Time-to-event and mixed-effects models will evaluate implant, surgical, and patient predictors while accounting for bilateral implants.
Undersøgelsestype
Observationel
Tilmelding (Anslået)
3000
Kontakter og lokationer
Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.
Studiekontakt
- Navn: Juan Velez, MD, Plastic surgeon
- Telefonnummer: +57 3054511588
- E-mail: info@velezlara.com
Studiesteder
-
-
-
Medellín, Colombia
- Rekruttering
- IQ interquirofanos
-
Kontakt:
- juan Velez, MD, Plastic surgeon
- Telefonnummer: +57 321 8119802
- E-mail: direccion.medica@iqinterquirofanos.com
-
-
Deltagelseskriterier
Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.
Berettigelseskriterier
Aldre berettiget til at studere
- Voksen
- Ældre voksen
Tager imod sunde frivillige
Ingen
Prøveudtagningsmetode
Ikke-sandsynlighedsprøve
Studiebefolkning
Adult women undergoing primary or revision aesthetic breast implantation with complete operative and device documentation.
Beskrivelse
Inclusion Criteria:
- Female sex and age 18 years or older.
- Primary or revision aesthetic breast implantation with a permanent implant.
- Complete documentation of pocket plane, incision route, texture, shape, volume, laterality, and operative pocket measurements.
- Standardized early postoperative baseline photography and clinical position assessment.
- Ability to complete follow-up through 24 months.
- Written informed consent.
Exclusion Criteria:
- Reconstructive implantation after mastectomy or major trauma.
- Tissue expander.
- Immediate major postoperative complication requiring implant removal before the position baseline can be established; these cases remain in safety reporting but not the position-risk cohort.
- Missing operative or device variables.
- Inability to obtain standardized photographs or position measurements.
- Planned pregnancy during the first 12 months if the final protocol elects to exclude it.
Studieplan
Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
Kohorter og interventioner
Gruppe / kohorte |
Intervention / Behandling |
|---|---|
|
Aesthetic Implant Position Cohort
Women are enrolled at implantation and followed prospectively.
Implant characteristics and operative technique are exposures rather than assigned groups.
|
Primary or revision aesthetic implantation is performed according to independent clinical care.
The study records incision route, pocket plane, pocket dimensions, implant texture, shape, volume, fixation or internal support, mastopexy, and postoperative support.
Linked arm/group(s): Aesthetic Implant Position Cohort.
Bilateral photographs, surface landmark measurements, clinical examination, and ultrasound when indicated will assess implant center, inframammary fold relationship, medial/lateral displacement, vertical position, and orientation.
Rotation assessment is prespecified for shaped implants.
Linked arm/group(s): Aesthetic Implant Position Cohort.
|
Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
Time to Clinically Significant Implant Displacement or Rotation
Tidsramme: 10 years
|
Time from implantation to the first confirmed inferior, superior, medial, or lateral malposition or clinically significant rotation that is visible, symptomatic, requires treatment, or meets the locked landmark-based threshold.
Rotation is evaluated only for shaped implants unless a validated orientation marker is available.
|
10 years
|
Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
Incidence by Direction and Type of Malposition
Tidsramme: 10 years
|
Proportion of implants with inferior, superior, medial, lateral, or rotational malposition, reported separately and per 100 implant-years.
|
10 years
|
Samarbejdspartnere og efterforskere
Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.
Sponsor
Efterforskere
- Ledende efterforsker: juan velez, MD, plastic surgery
Publikationer og nyttige links
Den person, der er ansvarlig for at indtaste oplysninger om undersøgelsen, leverer frivilligt disse publikationer. Disse kan handle om alt relateret til undersøgelsen.
Generelle publikationer
- Kretsis V, Loizou CE, Kretsis K. Evaluation of a Technique to Minimize Complications in Breast Augmentation Surgery with Anatomical Implants: A Single Surgeon's, 10-Year Experience. Aesthetic Plast Surg. 2026 Jan;50(2):657-666. doi: 10.1007/s00266-025-05094-2. Epub 2025 Aug 11.
- Elmorsi R, Babu A, Shay PL, Barrera JE, Olenczak JBE, Clemens MW, Largo RD, Mericli AF. The Tipping Point: Predictors of Implant Flipping in Staged Breast Reconstruction. Plast Reconstr Surg. 2026 Feb 6. doi: 10.1097/PRS.0000000000012882. Online ahead of print.
- Kuruoglu D, Harless CA, Tran NV, Yan M, Martinez-Jorge J, Nguyen MT. Implant Malposition in Prepectoral Breast Reconstruction: Experience with Natrelle(R) Cohesive Implants over 6.5 Years. J Plast Reconstr Aesthet Surg. 2022 Aug;75(8):2561-2568. doi: 10.1016/j.bjps.2022.02.072. Epub 2022 Mar 6.
- Khanna J, Incze T. Breast Implant Malposition: Prevention, Assessment, and Treatment. Clin Plast Surg. 2026 Apr;53(2):307-319. doi: 10.1016/j.cps.2025.11.012. Epub 2025 Dec 5.
Datoer for undersøgelser
Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.
Studer store datoer
Studiestart (Faktiske)
12. januar 2014
Primær færdiggørelse (Faktiske)
1. januar 2026
Studieafslutning (Anslået)
15. december 2026
Datoer for studieregistrering
Først indsendt
2. september 2026
Først indsendt, der opfyldte QC-kriterier
2. september 2026
Først opslået (Faktiske)
9. september 2026
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
9. september 2026
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
2. september 2026
Sidst verificeret
1. september 2026
Mere information
Begreber relateret til denne undersøgelse
Nøgleord
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
- 023
Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter
Studerer et amerikansk FDA-reguleret lægemiddelprodukt
Ingen
Studerer et amerikansk FDA-reguleret enhedsprodukt
Ingen
Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .