- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT00507611
Axillary Lymph Node Status After Completion of Preoperative Neoadjuvant Systemic Chemotherapy in Patients
Sentinel Lymph Node Mapping and Biopsy For Predicting the Axillary Lymph Node Status After Completion of Preoperative Neoadjuvant Systemic Chemotherapy in Patients Who Had Biopsy-Proven Axillary Lymph Node Involvement at Initial Presentation
Studieoversigt
Status
Betingelser
Intervention / Behandling
Detaljeret beskrivelse
Multiple retrospective reports have verified the overall utility of post-treatment sentinel lymph node (SLN) mapping and biopsy for assessing the final axillary lymph node status in breast cancer patients who have undergone preoperative neoadjuvant systemic chemotherapy. However, to date, only one report, in abstract form, currently exists within the literature which specifically assesses the utility of post-treatment SLN mapping and biopsy after completion of preoperative neoadjuvant systemic chemotherapy in patients with biopsy-proven positive axillary lymph nodes at initial presentation.
The purpose of the present proposed clinical trial will be to assess the utility of SLN mapping and biopsy for predicting the final axillary status after completion of preoperative neoadjuvant systemic chemotherapy in patients who had biopsy-proven positive axillary lymph nodes at initial presentation.
All eligible patients must have biopsy-proven invasive breast cancer and must also have biopsy-proven involvement of the axillary lymph nodes at initial presentation. Biopsy-proven involvement of the axillary lymph nodes at initial presentation will be based on fine needle aspiration (FNA) cytology, core/Tru-cut biopsy, or pre-treatment SLN biopsy. All eligible patients will have undergone preoperative neoadjuvant systemic chemotherapy.
After completion of preoperative neoadjuvant systemic chemotherapy and on the day of definitive breast cancer surgery, patients will be injected intradermally with approximately 400 microcuries of Tc-99m sulfur colloid. Patients will undergo preoperative lymphoscintigraphy in the nuclear medicine department to access axillary and extra-axillary sites of localization. Intraoperatively, patients will also be injected with approximately 4 to 5 mL of 1% isosulfan blue dye (by intradermal, intraparenchymal, or subareolar route). Patients will undergo intraoperative identification and biopsy of all SLN candidates. A confirmatory axillary lymph node dissection will then be performed on all patients.
The SLN mapping and biopsy procedure that we are proposing to perform on these breast cancer patients with known positive axillary lymph nodes at initial presentation will be done in an identical fashion to the SLN mapping and biopsy procedure that is currently performed as a routine and acceptable standard of care on every breast cancer patient with a clinically negative axilla at presentation.
The primary endpoints of this study would be address the success of identification of the SLN and the accuracy of the SLN mapping and biopsy procedure in women having undergone preoperative neoadjuvant systemic chemotherapy who had biopsy-proven involvement of their axillary lymph nodes at initial presentation. We would like to show that the proportion of women with false negative SLN biopsy results is less than 10%.
The study will require a minimum of 49 women with newly diagnosed breast cancer with biopsy-proven involvement of their axillary lymph nodes at initial presentation that have undergone preoperative neoadjuvant systemic chemotherapy. The study accrual time may take in the range of approximately 24 to 36 months to complete.
Undersøgelsestype
Tilmelding (Faktiske)
Fase
- Ikke anvendelig
Kontakter og lokationer
Studiesteder
-
-
Ohio
-
Columbus, Ohio, Forenede Stater, 43210
- Ohio State University
-
-
Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
Inclusion Criteria:
- Patients must be female and 18 years of age or older.
- Patients must have a clinical T1, T2, or T3 tumor size.
- Patients must have a histopathologic tissue diagnosis of breast cancer by a core-type of breast biopsy
- Patients must have had biopsy-proven involvement of the axillary lymph nodes at initial presentation based on fine needle aspiration (FNA) cytology, core/Tru-cut biopsy, or pre-treatment SLN biopsy that will require an axillary lymph node dissection to be performed at the time of the definitive breast cancer surgery.
- Patients will have had to undergone preoperative neoadjuvant systemic chemotherapy.
- Patients may be candidates for either lumpectomy or mastectomy.
- Patients may have a history of a previously treated metachronous contralateral breast cancer in the past.
- Patients may have synchronous bilateral breast cancer.
Exclusion Criteria:
- Patients must not be pregnant (The absence of pregnancy must be documented by any one of the following: negative serum pregnancy test, the history of surgical sterilization, or the absence of menstruation for at least six months prior to enrollment in the study)
- Patients may not have a history of previous treated ipsilateral breast cancer in the past.
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Diagnostisk
- Tildeling: N/A
- Interventionel model: Enkelt gruppeopgave
- Maskning: Ingen (Åben etiket)
Våben og indgreb
Deltagergruppe / Arm |
Intervention / Behandling |
---|---|
Andet: Single-arm
Patients will undergo preoperative lymphoscintigraphy in the nuclear medicine department to access axillary and extra-axillary sites of localization.
Intraoperatively, patients will also be injected with approximately 4 to 5 mL of 1% isosulfan blue dye (by intradermal, intraparenchymal, or subareolar route).
Patients will undergo intraoperative identification and biopsy of all SLN candidates.
A confirmatory axillary lymph node dissection will then be performed on all patients.
|
Patients will undergo preoperative lymphoscintigraphy in the nuclear medicine department to access axillary and extra-axillary sites of localization.
Intraoperatively, patients will also be injected with approximately 4 to 5 mL of 1% isosulfan blue dye (by intradermal, intraparenchymal, or subareolar route).
Patients will undergo intraoperative identification and biopsy of all SLN candidates.
A confirmatory axillary lymph node dissection will then be performed on all patients.
Andre navne:
|
Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Tidsramme |
---|---|
the proportion of women with successful identification of the SLN with a 95% confidence interval of not greater than 10%.
Tidsramme: up to 36 months
|
up to 36 months
|
the accuracy with a 95% confidence interval of not greater than 10%.
Tidsramme: up to 36 months
|
up to 36 months
|
Insure the proportion of women with false negative SLN results do not exceed 10%
Tidsramme: up to 36 months
|
up to 36 months
|
Samarbejdspartnere og efterforskere
Sponsor
Efterforskere
- Ledende efterforsker: Stephen P Povoski, MD, Ohio State University
Publikationer og nyttige links
Hjælpsomme links
Datoer for undersøgelser
Studer store datoer
Studiestart
Primær færdiggørelse (Faktiske)
Studieafslutning (Faktiske)
Datoer for studieregistrering
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først opslået (Skøn)
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Skøn)
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Nøgleord
Andre undersøgelses-id-numre
- OSU-06077
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