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Testing the Helpfulness of 2 Decision Aids for Prostate Cancer

This study has been completed.
Sponsor:
Information provided by (Responsible Party):
Department of Veterans Affairs
ClinicalTrials.gov Identifier:
NCT00432601
First received: February 6, 2007
Last updated: November 13, 2014
Last verified: November 2014

February 6, 2007
November 13, 2014
August 2008
September 2012   (final data collection date for primary outcome measure)
knowledge, risk perception, decision making, patient-physician communication [ Time Frame: Prebiopsy or biopsy appointment (Time 1); Results visit (Time 2); 7-10 Days After Results visit (Time 3) ] [ Designated as safety issue: No ]
knowledge, risk perception, decision making, patient-physician communication
Complete list of historical versions of study NCT00432601 on ClinicalTrials.gov Archive Site
satisfaction with decision aid, anxiety [ Time Frame: Anxiety: Prebiopsy appointment (Time 1); Results visit (Time 2); 7-10 Days After Diagnosis visit (Time 3). Satisfaction: 7-10 Days After Results visit (Time 3) ] [ Designated as safety issue: No ]
satisfaction with decision aid, anxiety
Not Provided
Not Provided
 
Testing the Helpfulness of 2 Decision Aids for Prostate Cancer
Impact of a Plain Language Prostate Cancer Decision Aid on Decision Making

The purpose of this study is to test different methods for communicating information about prostate cancer treatment to men. The investigators are studying how best to present information so men can make informed decisions about what prostate cancer treatment to undergo.

Background/Rationale: Prostate cancer is the second leading cause of cancer related death among men in the United States, and accounts for 29% of all cancers diagnosed in men. Furthermore, approximately one in six men will be diagnosed with prostate cancer in their lifetime. Thus, 17% of male Veterans will be asked to make a decision about the treatment of their prostate cancer. The burden of this disease is further magnified when one considers that most patients will live for years following their diagnosis and with any adverse effects of therapy. Given that there have been no clinical trials showing that any prostate cancer treatment produces an increased likelihood of survival; men are asked to actively participate in treatment decisions. Previous research has revealed that men are often uninformed about their prostate cancer, particularly African American men and men with lower educational attainment. Thus, it is critical to develop and test decision aids that can help all men (especially men with low literacy skills) make an informed decision.

Objective(s): The goal of the study is to compare the impact of a plain language decision aid (DA) to a conventional DA on prostate cancer patients' decision making experience and communication with their physician.

Methods: This study is a randomized controlled trial. Men undergoing a prostate biopsy will be recruited at the time of biopsy and complete a baseline interview (at pre-biopsy or biopsy appointment). Those patients diagnosed with localized prostate cancer will complete two additional interviews: at physician visit (diagnosis), and 7-10 days following physician visit (phone survey). The treatment discussion between patients and their physician will be audio recorded.

Major characteristics: All men, without a prior history of prostate cancer, undergoing a prostate biopsy will be screened for eligibility and enrolled by the study coordinator. Additional inclusion criteria include ability to speak English, provide informed consent, and have a PSA < 20. Physicians can refuse to allow a patient participate in the study at the time of biopsy. Men will be recruited from 4 VA hospitals (Ann Arbor, Durham, Pittsburgh, and San Francisco) and randomized to receive one of two decision aid booklets (plain language vs. conventional).

Major variables and source(s) of data: All survey data will be collected from either face-to-face or phone interviews. The surveys include measures of literacy, numeracy, anxiety, preference for shared decision making, knowledge, treatment preferences, risk perceptions, perception of patient-physician communication, and confidence and satisfaction with the decision making process. All survey questions were read aloud and responses recorded.

Status: Recruitment began in September 2008 and concluded in May of 2012.

1552 men were approached to participate in the study with 1028 agreeing. 1023 completed the Time 1 interview. Of the 334 subjects eligible to continue with study activities, 285 subjects completed the Time 2 interview (biopsy results visit), and 244 completed the Time 3 phone interview.

Interventional
Not Provided
Allocation: Randomized
Endpoint Classification: Efficacy Study
Intervention Model: Single Group Assignment
Masking: Open Label
Prostate Cancer
Behavioral: type of decision aid
We will be comparing two decision aids (MCC vs. NCCN) in terms of their impact on decision making and patient-physician communication.
  • Experimental: Arm 1
    Patients will receive Michigan Cancer Consortium decision aid.
    Intervention: Behavioral: type of decision aid
  • Active Comparator: Arm 2
    Patients will receive National Comprehensive Cancer Network decision aid.
    Intervention: Behavioral: type of decision aid
Levy MH, Back A, Benedetti C, Billings JA, Block S, Boston B, Bruera E, Dy S, Eberle C, Foley KM, Karver SB, Knight SJ, Misra S, Ritchie CS, Spiegel D, Sutton L, Urba S, Von Roenn JH, Weinstein SM. NCCN clinical practice guidelines in oncology: palliative care. J Natl Compr Canc Netw. 2009 Apr;7(4):436-73. No abstract available.

*   Includes publications given by the data provider as well as publications identified by ClinicalTrials.gov Identifier (NCT Number) in Medline.
 
Completed
1028
September 2012
September 2012   (final data collection date for primary outcome measure)

Inclusion Criteria:

Men undergoing a prostate cancer biopsy at Ann Arbor, Durham, San Francisco, or Pittsburgh VAs. Additional inclusion criteria includes ability to speak English, provide informed consent, and have a PSA < 20.

Exclusion Criteria:

Prior history of prostate cancer

Male
Not Provided
No
Contact information is only displayed when the study is recruiting subjects
United States
 
NCT00432601
IIR 05-283
Yes
Department of Veterans Affairs
Department of Veterans Affairs
Not Provided
Principal Investigator: Angela Fagerlin, PhD MA VA Ann Arbor Healthcare System
Department of Veterans Affairs
November 2014

ICMJE     Data element required by the International Committee of Medical Journal Editors and the World Health Organization ICTRP