Tomografia a emissione di positroni nelle donne con carcinoma mammario avanzato HER2-positivo
64 Tomografia a emissione di positroni con Cu-DOTA-Trastuzumab in donne con carcinoma mammario invasivo positivo per HER2 avanzato
RATIONALE: Diagnostic procedures, such as copper Cu 64-DOTA-trastuzumab-labeled PET, may help doctors to plan a better treatment
PURPOSE: This pilot trial is studying copper Cu 64-tetra-azacyclododecanetetra-acetic acid (DOTA)-trastuzumab-labeled positron emission tomography (PET) in women with human epidermal growth factor receptor 2 (HER2)-positive breast cancer.
Panoramica dello studio
Stato
Condizioni
Descrizione dettagliata
PRIMARY OBJECTIVES:
I. Determine the dose of pre-administered cold antibody that optimizes image quality of 64Cu-DOTA-trastuzumab PET without increasing the radiation dose to the heart in women with metastatic HER2 positive breast cancer.
II. Determine whether tumor uptake on 64Cu-DOTA-trastuzumab PET correlates with tumor expression of HER2 in women with metastatic disease.
III. Perform an exploratory analysis of the relationship between uptake on 64Cu-DOTA-trastuzumab PET, HER2 overexpression, and inactivation of the PI3K/Akt pathway.
OUTLINE:
This is a part one dose-determining study followed by a part two study. PART ONE: Patients are randomized to 1 of 3 dose levels. Patients undergo a PET scan 24-48 hours after injection of 64 Cu-DOTA-trastuzumab. PART TWO: Patients undergo a PET scan 24-48 hours after injection of 64 Cu-DOTA-trastuzumab at the optimal dose as determined in part one of the study.
Tipo di studio
Iscrizione (Effettivo)
Fase
- Non applicabile
Contatti e Sedi
Luoghi di studio
-
-
California
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Duarte, California, Stati Uniti, 91010
- City of Hope
-
-
Criteri di partecipazione
Criteri di ammissibilità
Età idonea allo studio
Accetta volontari sani
Sessi ammissibili allo studio
Descrizione
Eligibility Part I (Determination of the cold dose)
- Participants must be women who have histological confirmation of metastatic invasive breast cancer that has metastasized outside the region of the primary tumor and axilla. Biopsy must be obtained within 28 days prior to study. Patients must have metastatic disease in lung, liver, soft-tissue or bone to qualify for the study (more than one site is permissible).
- At least 1 non-hepatic site of metastasis greater than or equal to 2 cm in mean diameter must be identified in addition to the site that was biopsied.
- The cancer must over express HER2 as determined by IHC and FISH.
- Patients may have received trastuzumab in the adjuvant, neoadjuvant, or metastatic setting, but cannot have received the drug within the prior 2 months.
- Participants must have normal cardiac ejection fraction.
Eligibility Part 2 (correlation of HER2 expression with PET uptake)
- Participants must be women who have histological confirmation of metastatic invasive breast cancer that has metastasized outside the region of the primary tumor and axilla. Biopsy must be obtained within 28 days prior to study. Patients must have metastatic disease in lung, liver, soft-tissue or bone to qualify for the study (more than one site is permissible).
- At least 1 non-hepatic site of metastasis site greater than or equal to 2 cm in mean diameter must be identified in addition to the site that was biopsied.
- Participants with HER2 1+, 2+ and 3+ by IHC are eligible.
- Patients may have received trastuzumab in the adjuvant, neoadjuvant, or metastatic setting, but cannot have received the drug within the prior 2 months.
- Participants must have normal cardiac ejection fraction.
Ineligibility
- Participants who have received trastuzumab within the prior 2 months
- Participants who are not considered candidates for trastuzumab
- Metastatic disease in a single site
- No metastatic site greater than or equal to 2 cm
- Concurrent malignancy other than skin cancer
- Inability to provide informed consent
- Participants who are pregnant
Piano di studio
Come è strutturato lo studio?
Dettagli di progettazione
- Scopo principale: Diagnostico
- Assegnazione: N / A
- Modello interventistico: Assegnazione di gruppo singolo
- Mascheramento: Nessuno (etichetta aperta)
Armi e interventi
Gruppo di partecipanti / Arm |
Intervento / Trattamento |
|---|---|
|
Sperimentale: Arm I
PART ONE: Patients are randomized to 1 of 3 dose levels. Patients undergo a PET scan 24-48 hours after injection of copper Cu 64-DOTA-trastuzumab. PART TWO: Patients undergo a PET scan 24-48 hours after injection of copper Cu 64-DOTA-trastuzumab. |
Correlative studies PET images performed on a GE Discovery 16 Ste PET-CT scanner
Altri nomi:
15 mCi of Cu 64-DOTA-trastuzumab, total trastuzumab dose less than 5 mg.
Altri nomi:
Correlative Studies
Altri nomi:
Correlative studies
Altri nomi:
Correlative studies |
Cosa sta misurando lo studio?
Misure di risultato primarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
|
Tumor Uptake of 64Cu-DOTA-trastuzumab After 24 Hours
Lasso di tempo: 24 hours after injection of 64 CU-DOTA-trastuzumab
|
Comparison of uptake between the HER2+ and HER2- groups, treating SUVmax measurements for individual tumors as independent observations. Statistical significance of differences in SUVmax between patient groups was assessed via a nonparametric (Wilcoxon rank-sum) test. Radiolabel uptake for tumors was measured in terms of single-voxel maximum SUV (SUVmax; SUV = tissue activity per mL x body weight [g]/injected activity decay-corrected to time of scan). |
24 hours after injection of 64 CU-DOTA-trastuzumab
|
|
Tumor Uptake of 64Cu-DOTA-trastuzumab After 48 Hours
Lasso di tempo: 48 hours after injection of 64 CU-DOTA-trastuzumab
|
Comparison of uptake between the HER2+ and HER2- groups, treating SUVmax measurements for individual tumors as independent observations. Statistical significance of differences in SUVmax between patient groups was assessed via a nonparametric (Wilcoxon rank-sum) test. Radiolabel uptake for tumors was measured in terms of single-voxel maximum SUV (SUVmax; SUV = tissue activity per mL x body weight [g]/injected activity decay-corrected to time of scan). |
48 hours after injection of 64 CU-DOTA-trastuzumab
|
Collaboratori e investigatori
Sponsor
Investigatori
- Investigatore principale: Joanne Mortimer, City of Hope Medical Center
Studiare le date dei record
Studia le date principali
Inizio studio (Effettivo)
Completamento primario (Effettivo)
Completamento dello studio (Stimato)
Date di iscrizione allo studio
Primo inviato
Primo inviato che soddisfa i criteri di controllo qualità
Primo Inserito (Stimato)
Aggiornamenti dei record di studio
Ultimo aggiornamento pubblicato (Effettivo)
Ultimo aggiornamento inviato che soddisfa i criteri QC
Ultimo verificato
Maggiori informazioni
Termini relativi a questo studio
Parole chiave
Termini MeSH pertinenti aggiuntivi
- Neoplasie per sede
- Neoplasie
- Malattie della pelle
- Malattie del seno
- Malattie della pelle e del tessuto connettivo
- Neoplasie mammarie
- Tecniche investigative
- Gestione dei campioni
- Tecniche di laboratorio clinico
- Tecniche e procedure diagnostiche
- Diagnosi
- Procedure chirurgiche, operative
- Tecniche citologiche
- Citodiagnosi
- Tecniche diagnostiche, chirurgiche
- Tecniche di chimica, analitiche
- Analisi dello spettro
- Istocitochimica
- Tecniche istologiche
- Tecniche immunologiche
- Biopsia
- Spettroscopia di risonanza magnetica
- Immunoistochimica
- 2-fenil-6- (2 '-(4'-(eticecarbonil) tiazolil)) tiazolo (3,2-b) (1,2,4) triazolo
- 64Cu-DOTA-trastuzumab
Altri numeri di identificazione dello studio
- 09101
- NCI-2010-00322 (Identificatore di registro: NCI CTRP)
- BC095002 (Altro numero di sovvenzione/finanziamento: Department of Defense)
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