AzTrials
AzTrials

Biochemical Recurrent Prostate CancerPhase 2NCT00596895

Isoflavone in Prostate-specific Antigen Recurrent Prostate Cancer

A Phase 2 study testing Isoflavone in people with Biochemical Recurrent Prostate Cancer, run by University of Florida 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
Search all trials

Trial summary

Primary Outcome Measures: Decrease in rate of serum PSA rise Secondary Outcome Measures: Adherence to treatment regimens Quality of life as assessed by FACT-P at baseline and at 12 months of treatment Modulation of serum testosterone,isoflavone metabolites, and cholesterol Estimated Enrollment: 27 Study Start Date… Read more about this study

Who is it for?
Ages 45 to 80 years, men only
Conditions the study is for
Biochemical Recurrent Prostate Cancer
What is being tested?
Isoflavone
Could I receive a placebo?
No, everyone receives an active treatment
How many people
20 participants
Where
1 siteUnited States
Study dates
Nov 2003to Nov 2007
Phase
Phase 2
Are there results?
None posted in the registry

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 45 to 80 years
  • Men only
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Raising serum PSA profile after previous definitive therapy (e.g., radical prostatectomy or external beam radiation therapy).
  • Life expectancy of at least one year and performance status of <2 of Zubrod scale.

Who cannot join

  • Metastatic or locally recurrent disease demonstrated on bone scan, computed tomography or transrectal ultrasound, or be clinically symptomatic at the time of enrollment
  • No androgen deprivation therapy (ADT) or chemotherapy within 12 months of entry into the study.
  • Known allergic reaction to milk or soy products were excluded.

Trial locations and contacts

1 site in 1 country.

United States1 site
  • University of Florida Shands

    Jacksonville, Florida, 32209

Other trials in United States

About this study

Official title: Phase II Trial of Isoflavone in Prostate-specific Antigen Recurrent Prostate Cancer After Previous Local Therapy.

Primary Outcome Measures:

Decrease in rate of serum PSA rise

Secondary Outcome Measures:

Adherence to treatment regimens

Quality of life as assessed by FACT-P at baseline and at 12 months of treatment

Modulation of serum testosterone,isoflavone metabolites, and cholesterol

Estimated Enrollment: 27 Study Start Date: November 2003 Estimated Primary Completion Date: February 2007 (Final data collection date for primary outcome measure)

Read the detailed description
  • Pretreatment evaluation included a complete medical history, physical examination (including digital rectal examination), serum PSA, free/total testosterone, lipids, serum isoflavone levels (genistein, daidzein, and equol), and assessment of quality of life (Functional Assessment of Cancer Treatment-Prostate, FACT-P questionnaire).
  • Whole blood will be obtained prior to initiation of the study to assess for DNA polymorphism.
  • Follow-up serum PSA levels to assess efficacy were obtained at 3, 6, 9, and 12 months after initiation of treatment.
  • Medical history, physical examination, serum testosterone, lipids, isoflavone, and quality of life were assessed at 6 and 12 months after initiation of treatment.
Being tested
Isoflavone
Keywords
Isoflavone, PSA, prostate cancer, recurrent, quality of life
Medical subject headings
Salivary Gland Adenoma, Pleomorphic, Prostatic Neoplasms, Recurrence

What participants receive

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

  • IsoflavoneDietary supplement

    Also called Soy Dream Enriched, Original or Vanilla, soy milk

    Ingested 47 mg of isoflavone in three 8 oz servings per day

Study groups in NCT00596895
Study groupRoleWhat they receive
1ExperimentalIsoflavone treatment
Receives: Dietary Supplement: Isoflavone

What is being measured

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

  1. Assess the effect of soy protein/isoflavones serum PSA levels in patients previously treated with radical prostatectomy and external beam radiation therapy.

    Measured: Baseline, 3, 6, 9 and 12 months

Secondary outcomes (1)
  1. Assess the effect of soy protein/isoflavones on serum testosterone, isoflavone metabolites, and cholesterol. Assess the effect of soy protein/isoflavones on quality of life of these patients.

    Measured: Baseline, 3, 6, 9 and 12 months

Timeline

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

  1. First posted17 Jan 2008 (estimated)
  2. Study startNov 2003
  3. Primary completionNov 2007
  4. Study completionNov 2007

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 2
Primary purpose
Treatment
Allocation
Non-randomised
Intervention model
Single group
Masking
None (open label)
Enrolment
20 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00596895
Sponsor's protocol ID
UFJ2003-113
Status last verified
Jan 2008
First submitted
8 Jan 2008
Last updated
20 Sep 2011
Results posted
No
Data monitoring committee
No

Publications

  • Pendleton JM, Tan WW, Anai S, Chang M, Hou W, Shiverick KT, Rosser CJ. Phase II trial of isoflavone in prostate-specific antigen recurrent prostate cancer after previous local therapy. BMC Cancer. 2008 May 11;8:132. doi: 10.1186/1471-2407-8-132.

    PubMed 18471323

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing Isoflavone in people with Biochemical Recurrent Prostate Cancer, run by University of Florida 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 2 inclusion and 3 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 20 Sep 2011. 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 phase mean?

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?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

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?

Assess the effect of soy protein/isoflavones serum PSA levels in patients previously treated with radical prostatectomy and external beam radiation therapy. (time frame: Baseline, 3, 6, 9 and 12 months). 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 NCT00596895, 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 20 Sep 2011.

Free account

Log in to keep searching

You’ve used your 3 free searches. AzTrials is free: log in or create a free account to keep searching clinical trials and save the ones you want to follow.

Create a free accountLog in