Document Detail


C11-acetate and F-18 FDG PET for men with prostate cancer bone metastases: relative findings and response to therapy.
MedLine Citation:
PMID:  21285676     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
PURPOSE OF THE REPORT: This study tested the feasibility of C11-acetate (acetate) positron emission tomography (PET) imaging to assess response to therapy in men with bone metastatic prostate cancer and compared results for disease detection and response evaluation with F-18 fluorodeoxyglucose (FDG) PET.
MATERIALS AND METHODS: Men with ≥3 prostate cancer bone metastases identified by Tc-99m methylene diphosphonate (MDP) bone scintigraphy and/or computed tomography were enrolled in a prospective study of serial acetate and FDG PET imaging. Patients were imaged before and 6 to 12 weeks after initial androgen deprivation therapy for new metastatic prostate cancer or first-line chemotherapy with docetaxel for castration-resistant prostate cancer. Qualitative assessment and changes in the tumor:normal uptake ratio were used to assess response by both acetate and FDG PET. In addition, the detection of bone metastases pretherapy was compared for acetate and FDG PET.
RESULTS: A total of 8 patients with documented bone metastases were imaged, of which 6 were imaged both pre- and post-therapy. Acetate PET detected bone metastases in all 8 patients, whereas FDG PET detected lesions in 6 of the 7 imaged patients. Acetate PET generally detected more metastases with a higher tumor:normal uptake ratio. Qualitative and quantitative assessments of post-treatment response correlated with composite clinical designations of response, stable disease, or progression in 6 of 6 and 5 of 6 by acetate and 4 of 5 and 3 of 5 by FDG PET, respectively.
CONCLUSIONS: In this pilot study, results indicate that acetate PET holds promise for response assessment of prostate cancer bone metastases and is complementary to FDG PET in bone metastasis detection.
Authors:
Evan Y Yu; Mark Muzi; Joy A Hackenbracht; Brian B Rezvani; Jeanne M Link; Robert Bruce Montgomery; Celestia S Higano; Janet F Eary; David A Mankoff
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Publication Detail:
Type:  Clinical Trial; Journal Article; Research Support, N.I.H., Extramural    
Journal Detail:
Title:  Clinical nuclear medicine     Volume:  36     ISSN:  1536-0229     ISO Abbreviation:  Clin Nucl Med     Publication Date:  2011 Mar 
Date Detail:
Created Date:  2011-02-02     Completed Date:  2011-05-18     Revised Date:  2011-08-25    
Medline Journal Info:
Nlm Unique ID:  7611109     Medline TA:  Clin Nucl Med     Country:  United States    
Other Details:
Languages:  eng     Pagination:  192-8     Citation Subset:  IM    
Affiliation:
Division of Oncology, Department of Medicine, University of Washington and Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA. evanyu@uw.edu
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MeSH Terms
Descriptor/Qualifier:
Acetates / diagnostic use*
Bone Neoplasms / radionuclide imaging*,  secondary*
Carbon / diagnostic use*
Fluorodeoxyglucose F18 / diagnostic use*
Humans
Male
Positron-Emission Tomography*
Prostatic Neoplasms / drug therapy*,  pathology*,  radionuclide imaging
Taxoids / therapeutic use
Treatment Outcome
Grant Support
ID/Acronym/Agency:
P01 CA042045-13/CA/NCI NIH HHS; P01-CA42045/CA/NCI NIH HHS; P30 CA015704-26/CA/NCI NIH HHS; P30-CA015704/CA/NCI NIH HHS; P50 CA097186-01/CA/NCI NIH HHS; P50-CA97186/CA/NCI NIH HHS
Chemical
Reg. No./Substance:
0/Acetates; 0/Taxoids; 0/carbon-11 acetate; 114977-28-5/docetaxel; 63503-12-8/Fluorodeoxyglucose F18; 7440-44-0/Carbon
Comments/Corrections

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