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Hormone Refractory Prostate CancerPhase 1/2NCT00928252

Chemotherapy Response Monitoring With 18F-choline PET/CT in Hormone Refractory Prostate Cancer

A Phase 1/2 study testing IV fluorine-18 labeled methylcholine before PET/CT in people with Hormone Refractory Prostate Cancer, run by Queen's Medical Center at 1 site in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The purpose of this study is to determine whether imaging with 18F-choline PET/CT can provide information that may help guide subsequent investigational or clinical treatments for patients with advanced (hormone-refractory) metastatic prostate cancer. Read more about this study

Who is it for?
Ages 18 years and older, men only
Conditions the study is for
Hormone Refractory Prostate Cancer
What is being tested?
IV fluorine-18 labeled methylcholine before PET/CT
Type of treatment
Injection or infusion
Could I receive a placebo?
No, everyone receives an active treatment
How many people
25 participants
Where
1 siteUnited States
Study dates
Jun 2009to Jun 2016
Phase
Phase 1/2
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • Men only
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Provision of written informed consent.
  • Men, over 18 years of age, with histologically-confirmed diagnosis of prostate cancer
  • History of treatment by complete androgen blockade for greater than 3 months prior to enrollment
  • Progressive disease evidenced by 2 consecutive rises in PSA measured at least 1 week apart, with the absolute value of the latest PSA > 5.0 ng/ml.
  • A rise in PSA following anti-androgen drug withdrawal, above the last PSA value before withdrawal.
  • Patient has agreed to treatment for hormone-refractory (ie. castrate-resistant) prostate cancer under supervision of a medical oncologist, urologist, radiation oncologist or nuclear medicine physician. Treatments indicated for HRPC are docetaxel-, cabazitaxel-, or mitoxantrone-based chemotherapy, abiraterone, radium-223, enzalutamide, or sipulecuil-T.

Who cannot join

  • Other co-existing malignancies or malignancies diagnosed within the last 5 years with the exception of basal cell carcinoma or superficial transitional cell carcinoma of the bladder.
  • Serious underlying medical conditions that would otherwise impair the patient's ability to undergo imaging.
  • Patient weighs over 350 lbs (due to scanner weight limit).
  • Clinical life expectancy < 12 weeks.
  • Participated in other radioactive drug studies where estimated total cumulative dose within 1 year is > 0.05 Sievert for whole body, active blood-forming organs, eye lens, gonads, or 0.15 Sievert for other organs.
  • Concurrent Therapy. Allowed: Prior or concurrent chemotherapy, but must be > 12 weeks since last treatment at enrollment; prior or concurrent hormonal therapy; prior surgery; prior or concurrent bisphosphonate; prior or concurrent receptor/biologic agent allowed if given on approved study protocol.

Trial locations and contacts

1 site in 1 country.

United States1 site
  • The Queen's Medical Center

    Honolulu, Hawaii, 96813

Other trials in United States

About this study

The purpose of this study is to determine whether imaging with 18F-choline PET/CT can provide information that may help guide subsequent investigational or clinical treatments for patients with advanced (hormone-refractory) metastatic prostate cancer.

Read the detailed description

Patients who meet eligibility criteria and are enrolled will undergo whole-body imaging with 18F-choline PET/CT at 3 time points during the course of treatment that is indicated for castrate resistant prostate cancer. The 1st PET/CT scan is performed at baseline before treatment initiation. The 2nd and 3rd scans are performed at two other treatment-releated timepoints or at approximately 1 month and 3 months after treatment initiation. Change in lesion 18F-choline uptake from baseline measured at each time point will be determined. Cancer 18F-choline uptake will be evaluated as a marker of therapeutic response in comparison to PSA response and symptom scores. Treatment-related changes in tumor 18F-choline uptake occur will be studied after the second and third PET scans to determine the acuity by which changes in tumor 18F-choline uptake can be expected following specific treatments for castrate-resistant prostate cancer. The study evaluates a diagnostic intervention and the treatments themselves are not considered part of the investigation. All treatment decisions will be made independent of the study and must be deemed clinically-warranted by a treating physician.

Being tested
IV fluorine-18 labeled methylcholine before PET/CT
Keywords
Hormone Refractory Prostate Cancer, Castrate Resistant Prostate Cancer

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • IV fluorine-18 labeled methylcholine before PET/CTDrug

    Also called 18F-fluorocholine PET/CT

    Intervention at pre-treatment, and at two timepoints post treatment intiation.

Study groups in NCT00928252
Study groupRoleWhat they receive
Received 18F-fluorocholine PET/CTExperimentalIV fluorine-18 labeled methylcholine before PET/CT
Receives: Drug: IV fluorine-18 labeled methylcholine before PET/CT

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Metabolically Active Tumor Volume (MATV) Response

    Number of patients achieving 30% or greater reduction in MATV measured on 18F-fluorocholine PET/CT

    Measured: 21 to 98 days

  2. Time to PSA Progression

    Time to PSA Progression between patients exhibiting MATV reduction greater or equal to 30% vs. MATV reduction less than 30%.

    Measured: 2 years

  3. Proportional Hazards Regression Analysis of Time to PSA Progression

    PSA levels measured from the start of treatment over the period of follow-up were recorded. Time to PSA progression was calculated as the number of days from the start of treatment to the date of the first PSA test result that represented a 30% or greater increase from the PSA nadir, confirmed on the basis of repeated PSA measurements. For proportional hazards regression analysis, the percentage change in PSA level within 15 wk of starting treatment was calculated, using a 50% or greater decrease in PSA level as a predefined definition of PSA re- sponse based on Prostate Cancer Working Group guidelines.

    Measured: Up to 15 week post-chemotherapy

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted25 Jun 2009 (estimated)
  2. Study startJun 2009
  3. Primary completionJun 2016
  4. Study completionJun 2016

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 1/2
Primary purpose
Diagnosis
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
25 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00928252
Sponsor's protocol ID
RA-2008-069
Other IDs
R21CA139687
Status last verified
Jul 2017
First submitted
24 Jun 2009
Last updated
14 Aug 2017
Data monitoring committee
No

Publications

  • Lee J, Sato MM, Coel MN, Lee KH, Kwee SA. Prediction of PSA Progression in Castration-Resistant Prostate Cancer Based on Treatment-Associated Change in Tumor Burden Quantified by 18F-Fluorocholine PET/CT. J Nucl Med. 2016 Jul;57(7):1058-64. doi: 10.2967/jnumed.115.169177. Epub 2016 Feb 16.

    PubMed 26912444

Questions about this trial

What is this clinical trial studying?

A Phase 1/2 study testing IV fluorine-18 labeled methylcholine before PET/CT in people with Hormone Refractory Prostate Cancer, run by Queen's Medical Center at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 6 inclusion and 6 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 14 Aug 2017. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this combined phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 14 Aug 2017). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Metabolically Active Tumor Volume (MATV) Response (time frame: 21 to 98 days). The study lists 3 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT00928252, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 14 Aug 2017; AzTrials last refreshed its copy on 8 Nov 2026.

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