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Prostate CancerNCT02376296

Observational Study of Docetaxel Exposure in Metastatic Prostate Cancer Patients

An observational study of Prostate Cancer, run by Saladax Biomedical, Inc. at 20 sites 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

In this observational study, blood samples for pharmacokinetic (PK) testing will be collected from subjects with metastatic prostate cancer during their treatment with docetaxel. Read more about this study

Who is it for?
Ages 18 years and older, men only
Conditions the study is for
Prostate Cancer
What is being tested?
docetaxel and Blood draws
How many people
35 participants
Where
20 sitesUnited States
Study dates
Feb 2015to 10 Feb 2018
Phase
Observational
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 18 years and older
  • Men only
  • No healthy volunteers
  • Adult, Older adult

Study population: Metastatic prostate cancer patients, either newly diagnosed or castrate resistant, who are about to start treatment with a 3-weekly docetaxel treatment regimen (starting dose of 75 mg/m2) within the University of Pittsburgh Medical Center (UPMC) Cancer Center network.

Who may be able to join

  • Histologically or cytologically confirmed diagnosis of adenocarcinoma of the prostate.
  • Male subjects 18 years of age or older.
  • About to start a new line of treatment with docetaxel (75 mg/m2) in combination with prednisone.
  • All subjects must be informed of the investigational nature of this study and be willing to provide written informed consent in accordance with Institutional guidelines and good clinical practices (GCP) indicating that they understand the purpose of and procedures required for the study and are willing to participate in the study prior to the beginning of specific study procedures.
  • Prior surgical castration or concurrent use of an agent for chemical castration with a serum testosterone level < 50 ng/dL.
  • Subjects with hormone naïve metastatic prostate cancer, must have high-volume disease, defined as extra-nodal visceral disease or bone metastases with at least 4 bone lesions (one being outside of the vertebral column or pelvis).
Show all 16Show fewer
  • Subjects with hormone naïve high-volume metastatic prostate adenocarcinoma must have been on androgen deprivation therapy (including luteinizing hormone-releasing hormone (LHRH) agonist therapy, LHRH antagonist therapy, or surgical castration) for less than 120 days prior to starting docetaxel therapy.
  • Eastern Cooperative Oncology Group (ECOG) performance status 0-2.
  • For subjects with castrate resistant prostate cancer (CRPC), at least four weeks elapsed between withdrawal of anti-androgens (Bicalutamide, Flutamide or Nilutamide) and initiation of docetaxel therapy.
  • For subjects with CRPC, at least four weeks elapsed between last administration of Abiraterone (Zytiga®) or Enzalutamide (Xtandi®) and initiation of docetaxel therapy.
  • At least four weeks elapsed between prior surgery or prior radiotherapy and initiation of docetaxel therapy.
  • Radiograph-documented evidence of soft tissue or bony metastatic disease.
  • Must have adequate hematologic, hepatic and renal function as defined below:
  • Hematologic (minimal values): Absolute neutrophil count ≥ 1,500/mm3; Hemoglobin ≥ 10.0 g/dl; Platelet count ≥ 75,000/mm3
  • Hepatic Function: Total Bilirubin ≤ 1.5 x institutional upper limit of normal (ULN); asparate transaminase (AST) and alanine transaminase (ALT) < 2 x institutional ULN
  • Suitable venous access and healthy enough (as determined by the treating physician) to provide whole blood sample.

Who cannot join

  • Any condition / concomitant disease not allowing chemotherapy with docetaxel, prednisone or required premedication for the treatment regimen.
  • Serious concurrent disorders (active infection requiring intravenous antibiotics, unstable angina, uncompensated congestive heart failure (CHF), or hepatic failure) that, in the opinion of the investigator, would prevent the use of docetaxel and/or compromise the subject's ability to provide whole blood samples for participation in the study.
  • Concurrent use of any non-FDA approved (i.e. investigational or experimental) anticancer agent(s) or within four (4) weeks of enrolling on the study.
  • Pre-existing neuropathy ≥ grade 2 per the National Cancer Institute Common Terminology Criteria for Adverse Events (NCI CTCAE) version 4.
  • Individuals with known seropositivity for human immunodeficiency virus (HIV), hepatitis C virus, hepatitis B surface antigen, or syphilis.
  • Unwilling or unable to follow protocol requirements or to provide informed consent.

Trial locations and contacts

20 sites in 1 country.

20 sites in 1 country

United States20 sites
  • UPMC CancerCenter - Beaver

    Beaver, Pennsylvania, 15009

  • UPMC CancerCenter - Upper St. Clair

    Bethel Park, Pennsylvania, 15102

  • UPMC CancerCenter - Horizon

    Farrell, Pennsylvania, 16121

  • Arnold Palmer Cancer Center - Oakbrook

    Greensburg, Pennsylvania, 15601

  • Arnold Palmer Cancer Center

    Greensburg, Pennsylvania, 15601

  • UPMC CancerCenter - Greenville

    Greenville, Pennsylvania, 16125

  • UPMC CancerCenter - Indiana

    Indiana, Pennsylvania, 15701

  • UPMC CancerCenter at John P. Murtha Regional Cancer Center

    Johnstown, Pennsylvania, 15901

  • UPMC CancerCenter - Mckeesport

    McKeesport, Pennsylvania, 15132

  • UPMC CancerCenter - Monroeville

    Monroeville, Pennsylvania, 15146

  • Arnold Palmer Medical Oncology - Mount Pleasant

    Mount Pleasant, Pennsylvania, 15666

  • UPMC CancerCenter - New Castle

    New Castle, Pennsylvania, 16105

  • UPMC CancerCenter - St. Margaret

    Pittsburgh, Pennsylvania, 15215

  • UPMC CancerCenter - Hillman Cancer Center

    Pittsburgh, Pennsylvania, 15232

  • UPMC CancerCenter - Passavant HOA

    Pittsburgh, Pennsylvania, 15237

  • UPMC CancerCenter - Passavant OHA

    Pittsburgh, Pennsylvania, 15237

  • UPMC CancerCenter - Northwest

    Seneca, Pennsylvania, 16346

  • UPMC CancerCenter - Uniontown

    Uniontown, Pennsylvania, 15401

  • UPMC CancerCenter - Washington

    Washington, Pennsylvania, 15301

  • UPMC CancerCenter - Jefferson

    West Mifflin, Pennsylvania, 15122

Other trials in United States

About this study

Official title: Observational Study of Metastatic Prostate Cancer Subjects Receiving Docetaxel Therapy for Evaluation of Docetaxel Plasma Levels Using the MyDocetaxel Assay

In this observational study, blood samples for pharmacokinetic (PK) testing will be collected from subjects with metastatic prostate cancer during their treatment with docetaxel. Plasma levels of docetaxel will be determined, and the subjects docetaxel exposure levels, determined as an area under the curve (AUC), will be retrospectively correlated with reports of toxicity, tumor response, quality of life, time to disease progression and overall survival to provide guidance on what the appropriate target range for docetaxel exposure should be for metastatic prostate cancer subjects receiving docetaxel therapy for their disease.

Conditions
Prostate Cancer
Being tested
docetaxel, Blood draws
Keywords
metastatic prostate cancer, castrate resistant prostate cancer, CRPC, hormone sensitive prostate cancer
Medical subject headings
Prostatic Neoplasms

What participants receive

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

  • docetaxelDrug

    Also called Taxotere

    3-weekly docetaxel therapy (starting dose of 75 mg/m2)

  • Blood drawsOther

    Blood draws for determination of docetaxel plasma levels and exposure (AUC)

Study groups in NCT02376296
Study groupRoleWhat they receive
hormone naïveSubjects with hormone naïve metastatic prostate cancer that have high-volume disease and have been on androgen deprivation therapy for less than 120 days prior to starting docetaxel therapy.
Receives: Drug: docetaxel; Other: Blood draws
castrate resistantSubjects with castrate resistant prostate cancer (CRPC) [defined as having evidence of prostate specific antigen (PSA) progression despite androgen deprivation therapy] that have had at least four weeks elapse between the withdrawal of anti-androgens (Bicalutamide, Flutamide or Nilutamide) and the initiation of docetaxel therapy.
Receives: Drug: docetaxel; Other: Blood draws

What is being measured

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

  1. Variability of docetaxel exposure

    Blood will be drawn during the first six cycles of docetaxel therapy to determine the variability of docetaxel exposure.

    Measured: Up to 6 months after the initiation of docetaxel therapy

  2. Docetaxel treatment related toxicities

    Determine the relationship between docetaxel plasma concentrations (i.e. exposure level) and the incidence of docetaxel related toxicities for identification of an optimal target docetaxel exposure range.

    Measured: Up to 7 months after the initiation of docetaxel therapy

Secondary outcomes (6)
  1. Frequency of growth factor usage

    Determine relationship (if any) between growth factor usage and docetaxel exposure levels.

    Measured: Up to 7 months after the initiation of docetaxel therapy

  2. Number of days hospitalized for treatment of docetaxel related toxicities

    Determine relationship (if any) between number of day hospitalized due to treatment related toxicities and docetaxel exposure levels.

    Measured: Up to 7 months after the initiation of docetaxel therapy

  3. Time to prostate specific antigen (PSA) progression

    Determine relationship (if any) between the time to PSA progression and docetaxel exposure levels obtained during the first 6 cycles of treatment.

    Measured: Up to 24 months after the initiation of docetaxel therapy

  4. Tumor response as determined by imaging

    Determine relationship (if any) between the tumor response as determined by imaging and docetaxel exposure levels obtained during the first 6 cycles of treatment.

    Measured: Up to 7 months after the initiation of docetaxel therapy

  5. Changes in quality of life

    Determine relationship between changes in the quality of life (as measured using the FACT-P Questionnaire) and docetaxel exposure levels obtained during the first 6 cycles of treatment.

    Measured: Up to 6 months after the initiation of docetaxel therapy

  6. Overall survival

    Determine relationship between overall survival and docetaxel exposure levels obtained during the first 6 cycles of treatment.

    Measured: Up to 24 months after the initiation of docatexel therapy

Timeline

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

  1. First posted3 Mar 2015 (estimated)
  2. Study startFeb 2015
  3. Primary completion10 Feb 2018
  4. Study completion10 Feb 2018

Resources

More details

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

Study design
Study type
Observational
Observational model
Cohort
Time perspective
Prospective
Enrolment
35 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02376296
Sponsor's protocol ID
SBI-DTX-004
Status last verified
Feb 2022
First submitted
18 Feb 2015
Last updated
17 Feb 2022
Results posted
No
Data monitoring committee
No
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

An observational study of Prostate Cancer, run by Saladax Biomedical, Inc. at 20 sites 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 16 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 17 Feb 2022. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 20 sites 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.

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?

Variability of docetaxel exposure (time frame: Up to 6 months after the initiation of docetaxel therapy). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
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 17 Feb 2022.

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