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[18F]-Fluoro-2-Deoxy-D-Glucose and -[18F] Dihydro-Testosterone Pet Imaging in Patients With Progressive Prostate Cancer

This study is currently recruiting participants. (see Contacts and Locations)
Verified October 2014 by Memorial Sloan Kettering Cancer Center.
Information provided by (Responsible Party):
Memorial Sloan Kettering Cancer Center. Identifier:
First received: December 26, 2007
Last updated: October 21, 2014
Last verified: October 2014

This study will use PET scans, which is a type of x-ray test that uses a radiotracer, to see whether these scans may be better able to find places in the body where your prostate cancer may have spread.

Condition Intervention
Prostate Cancer
Drug: [18F]-Fluoro-2-Deoxy-D-Glucose and -[18F] Dihydro-Testosterone

Study Type: Interventional
Study Design: Endpoint Classification: Pharmacokinetics Study
Intervention Model: Single Group Assignment
Masking: Open Label
Primary Purpose: Diagnostic
Official Title: [18F]-Fluoro-2-Deoxy-D-Glucose and -[18F] Dihydro-Testosterone Pet Imaging in Patients With Progressive Prostate Cancer

Resource links provided by NLM:

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

Primary Outcome Measures:
  • To study the accumulation and biodistribution of FDHT in patients with progressive prostate cancer. The accumulation and location of FDHT activity will be assessed on a site by site basis and correlated with radionuclide bone scan, CT and MRI. [ Time Frame: Baseline, 4 weeks and 12 weeks ] [ Designated as safety issue: No ]

Secondary Outcome Measures:
  • The kinetics, metabolism, and biodistribution will be assessed. [ Time Frame: Baseline. 4 weeks and 12 weeks ] [ Designated as safety issue: No ]
  • To correlate the accumulation of 18FDHT to 18FDG. [ Time Frame: 2 years ] [ Designated as safety issue: No ]
  • To study changes in 18FDHT accumulation over time in patients treated with: Castration and other hormones, Chemotherapy, Agents directed toward the androgen receptor [ Time Frame: 2 years ] [ Designated as safety issue: No ]
  • relationship between FDHT uptake and tumor diffusivity [ Time Frame: 2 years ] [ Designated as safety issue: No ]
    assessed by MRI.

  • relationship between FDHT uptake and tissue analyses [ Time Frame: 2 years ] [ Designated as safety issue: No ]
    of AR expression

Estimated Enrollment: 300
Study Start Date: February 2003
Estimated Study Completion Date: February 2015
Estimated Primary Completion Date: February 2015 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: 1
[18F]-Fluoro-2-Deoxy-D-Glucose and -[18F] Dihydro-Testosterone
Drug: [18F]-Fluoro-2-Deoxy-D-Glucose and -[18F] Dihydro-Testosterone
Registered patients will undergo PET scanning using either FDHT alone or FDG and FDHT depending on the clinical question being asked. Scans will be performed serially at baseline, week 4, week 12, and every 12 weeks of treatment up to a maximum of 8 FDHT/FDG scan set in a 12 month period (maximum 40 scan sets per lifetime) unless the therapeutic protocol or scientific rationale of the therapeutic drug being applied specifically dictates an alternative schedule. Patients may have blood drawn for the purposes of establishing the pharmacokinetics of FDHT and may also undergo an initial dynamic scan if further pharmacokinetic information is warranted, followed by a standard whole body image. If no further pharmacokinetic information is warranted, then patients will only undergo a standard whole body image.

Detailed Description:

Our preliminary studies have shown that whole body FDG-PET imaging identifies areas of abnormal metabolism in a majority of tumor sites in patients with progressive disease and that changes in FDG accumulation parallel changes in PSA after treatment. This suggests that changes in FDG metabolism may provide an early assessment of treatment outcomes. In previous work we established a methodology to examine a radiotracer in patients with progressive disease and abnormal imaging studies, which we have applied to the clinical states of non-castrate and castrate metastatic disease. This design is characterized by:

1) Evaluation of uptake on a site-by-site basis in relation to conventional studies 2) Standardization of uptake values in tumor relative to a normal organ 3) Controlling for progression using standard measures of progression including a rising PSA, new or enlarging lesions on bone or transaxial imaging, and new symptoms of disease. In the present study we are evaluating fluorinated dihydrotestosterone (FDHT) in addition to FDG. FDHT is targeted to the AR and has been shown in preliminary studies to visualize prostate cancers in man. This study will apply our established methods to investigate FDHT imaging in patients with progressive prostate cancer. In the selected cases where tumor is available, we will study associations between FDHT accumulation and AR expression.


Genders Eligible for Study:   Male
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Patients with histologically confirmed prostate cancer.
  • Progressive disease manifest by either:
  • Imaging modalities:
  • Bone Imaging: New osseous lesions on bone imaging (bone scintigraphy or NaF PET scan) and/or MRI or CT: An increase in measurable soft tissue disease, or the appearance of new sites of disease. Or
  • Biochemical progression: A minimum of three rising PSA values from a baseline that are obtained 1 week or more apart, or 2 measurements 2 or more weeks apart.
  • Visible lesions by either CT, bone imaging, or MRI consistent with disease.
  • Informed consent.

Exclusion Criteria:

  • Previous anaphylactic reaction to either FDHT or FDG
  • Hepatic: Bilirubin > 1.5 x upper limit of normal (ULN), AST/ALT >2.5 x ULN, albumin < 2 g/dl, and GGT > 2.5 x ULN IF Alkaline phosphatase > 2.5 x ULN
  • Renal: Creatinine >1.5 x ULN or creatinine clearance < 60 mL/min
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT00588185

Contact: Michael Morris, M.D., PH.D. 646-422-4469

United States, New York
Memorial Sloan-Kettering Cancer Center Recruiting
New York, New York, United States, 10065
Contact: Michael Morris, M.D., Ph,D.    646-422-4469      
Principal Investigator: Michael Morris, M.D., Ph.D.         
Sponsors and Collaborators
Memorial Sloan Kettering Cancer Center.
Principal Investigator: Michael Morris, M.D., Ph.D. Memorial Sloan Kettering Cancer Center.
  More Information

Additional Information:
No publications provided

Responsible Party: Memorial Sloan Kettering Cancer Center. Identifier: NCT00588185     History of Changes
Other Study ID Numbers: 00-095
Study First Received: December 26, 2007
Last Updated: October 21, 2014
Health Authority: United States: Food and Drug Administration

Keywords provided by Memorial Sloan Kettering Cancer Center.:
Progressive Prostate Cancer
[18F] Dihydro-Testosterone
Pet Imaging
Pet scan

Additional relevant MeSH terms:
Prostatic Neoplasms
Genital Diseases, Male
Genital Neoplasms, Male
Neoplasms by Site
Prostatic Diseases
Urogenital Neoplasms
Testosterone 17 beta-cypionate
Testosterone enanthate
Testosterone undecanoate
Anabolic Agents
Anti-Infective Agents
Antineoplastic Agents
Antineoplastic Agents, Hormonal
Antiviral Agents
Hormones, Hormone Substitutes, and Hormone Antagonists
Molecular Mechanisms of Pharmacological Action
Pharmacologic Actions
Physiological Effects of Drugs
Therapeutic Uses processed this record on March 03, 2015