The Efficacy of Decision Support E-book for Prostate Biopsy Decision Making

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

110 participants

Study Classification

INTERVENTIONAL

Study Start Date

2019-01-04

Study Completion Date

2019-03-30

Brief Summary

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PURPOSE: This study is to test the efficacy of decision support E-Book for 1) increasing prostate biopsy knowledge and decision self-efficacy, and 2) reducing decisional conflict on prostate biopsy decision making in patients with elevated serum PSA.

DESIGN: The study is based on an experimental design. A convent sample of 110 adult males with a PSA greater than 4.0 ng/mL and the transrectal ultrasound-guided prostate biopsy suggested by a physician will be recruited from the urology clinics. Patients will be randomly assigned to the intervention and control group. The intervention group will receive the biopsy decision support intervention delivered by a nurse using an E-Book containing a comprehensive information about prostate biopsy. The control group will receive a health education about prostate biopsy. Data on biopsy knowledge, decision self-efficacy and decision conflict will be collected at pre and post test by using the study questionnaires.

ANALYSIS: Independent sample t -tests and chi-square tests will be used to compare the between group baseline equilibrium. Independent sample t -tests will be also used to analyze the between group differences in biopsy knowledge, decision self-efficacy, and decision conflict at post-test to evaluate the efficacy of the decision support intervention.

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Detailed Description

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Prostate-specific antigen (PSA) is the primary screening test for prostate cancer. The elevated PSA test result is usually followed by the transrectal ultrasound-guided prostate biopsy (TRUS-Bx) for further diagnosis. However, patients often have lots concerns while deciding whether or not to undergo a prostate biopsy. They may worry about the biopsy associated complications such as urinary tract infection, pain, hematuria, bloody stools, etc., causing damage to urinary tract or sexual function, diagnosed with prostate cancer, or cancer spreading. Some may even worry about that a cancer cell can be transmitted to a partner through sexual activity after a biopsy. All these can cause physiological stress and decisional conflict for the patients. Therefore, it is necessary to provide decision support measures in order to improve the patients' knowledge regarding the advantages and disadvantages of prostate biopsy, to increase their decision self-efficacy, and to decrease their decisional conflict, thereby to achieve the share decision making goal. However, few studies have examined the efficacy of decision aids on prostate biopsy decision making. Therefore, the purpose of this study is to test the efficacy of decision support E-Book for 1) increasing prostate biopsy knowledge and decision self-efficacy, and 2) reducing decisional conflict on prostate biopsy decision making in patients with elevated serum PSA.

The study is based on an experimental design. A convent sample of 110 adult males with a PSA greater than 4.0 ng/mL and the transrectal ultrasound-guided prostate biopsy suggested by a physician will be recruited from the urology clinics. Patients will be randomly assigned to the intervention and control group. The intervention group will receive the biopsy decision support intervention delivered by a nurse using an E-Book containing a comprehensive information about prostate biopsy. The control group will receive a health education about prostate biopsy. Data on biopsy knowledge, decision self-efficacy and decision conflict will be collected at pre and post test by using the study questionnaires. The study instruments include the prostate biopsy knowledge scale, the Decision Self-Efficacy Scale, and the Decisional Conflict Scale. Data on whether the patients received a prostate biopsy will also be collected from the patients' medical records.

Independent sample t -tests and chi-square tests will be used to compare the between group baseline equilibrium. Independent sample t -tests will be also used to analyze the between group differences in biopsy knowledge, decision self-efficacy, and decision conflict at post-test to evaluate the efficacy of the decision support intervention.

Conditions

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Prostate-Specific Antigen

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

SUPPORTIVE_CARE

Blinding Strategy

DOUBLE

Participants Caregivers

Study Groups

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The intervention group

The intervention group will receive the biopsy decision support intervention delivered by a nurse using an E-Book containing a comprehensive information about prostate biopsy.

Group Type EXPERIMENTAL

Using an E-Book

Intervention Type BEHAVIORAL

The intervention group will receive the biopsy decision support intervention delivered by a nurse using an E-Book containing a comprehensive information about prostate biopsy.

The control group

The control group will receive a health education about prostate biopsy.

Group Type NO_INTERVENTION

No interventions assigned to this group

Interventions

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Using an E-Book

The intervention group will receive the biopsy decision support intervention delivered by a nurse using an E-Book containing a comprehensive information about prostate biopsy.

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

1. aged between 40-80
2. PSA greater than 4.0 ng/mL
3. the transrectal ultrasound-guided prostate biopsy suggested by a physician
4. able to communicate in Mandarin or Taiwanese.