Trial Outcomes & Findings for TRADE-Testosterone Replacement and Dutasteride Effectiveness (NCT NCT00194675)

NCT ID: NCT00194675

Last Updated: 2017-12-05

Results Overview

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

53 participants

Primary outcome timeframe

Baseline, Month 6

Results posted on

2017-12-05

Participant Flow

Subjects were recruited from the VA Puget Sound Health Care System, Seattle, WA. 102 men were screened and 53 were randomized.

49 were excluded. 4 withdrew consent, 3 lost to follow-up, 42 for inclusion/exclusion criteria: 3 could not tolerate MRI, 3 were previously on testosterone therapy, 21 had prostate volume \<30cc, 12 had repeat serum testosterone \>280 ng/mL, and 3 had prostate cancer or prostate intraepithelial neoplasia at pre-treatment prostate biopsy.

Participant milestones

Participant milestones
Measure
Testosterone Gel + Oral Placebo
Testosterone 1% topical gel 7.5g daily + placebo dutasteride pill orally daily for 6 months
Testosterone Gel + Oral Dutasteride
Testosterone 1% topical gel 7.5g daily + dutasteride 0.5 mg orally daily for 6 months
Overall Study
STARTED
27
26
Overall Study
COMPLETED
22
24
Overall Study
NOT COMPLETED
5
2

Reasons for withdrawal

Reasons for withdrawal
Measure
Testosterone Gel + Oral Placebo
Testosterone 1% topical gel 7.5g daily + placebo dutasteride pill orally daily for 6 months
Testosterone Gel + Oral Dutasteride
Testosterone 1% topical gel 7.5g daily + dutasteride 0.5 mg orally daily for 6 months
Overall Study
Lost to Follow-up
1
1
Overall Study
lack of interest
1
1
Overall Study
withdrew due to "edgy" feeling
1
0
Overall Study
Protocol Violation
1
0
Overall Study
Death
1
0

Baseline Characteristics

TRADE-Testosterone Replacement and Dutasteride Effectiveness

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Testosterone Gel + Oral Placebo
n=27 Participants
Testosterone 1% topical gel 7.5g daily + placebo dutasteride pill orally daily for 6 months
Testosterone Gel + Oral Dutasteride
n=26 Participants
Testosterone 1% topical gel 7.5g daily + dutasteride 0.5 mg orally daily for 6 months
Total
n=53 Participants
Total of all reporting groups
Age, Customized
Between 50 and 82 years
63.5 participants
STANDARD_DEVIATION 8.0 • n=5 Participants
63.6 participants
STANDARD_DEVIATION 5.5 • n=7 Participants
63.55 participants
STANDARD_DEVIATION 6.8 • n=5 Participants
Sex: Female, Male
Female
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Sex: Female, Male
Male
27 Participants
n=5 Participants
26 Participants
n=7 Participants
53 Participants
n=5 Participants
Region of Enrollment
United States
27 participants
n=5 Participants
26 participants
n=7 Participants
53 participants
n=5 Participants

PRIMARY outcome

Timeframe: Baseline, Month 6

Population: per protocol

Outcome measures

Outcome measures
Measure
Testosterone Gel + Oral Placebo
n=27 Participants
Testosterone 1% topical gel 7.5g daily + placebo dutasteride pill orally daily for 6 months
Testosterone Gel + Oral Dutasteride
n=26 Participants
Testosterone 1% topical gel 7.5g daily + dutasteride 0.5 mg orally daily for 6 months
Effects of Testosterone Gel Alone or in Combination With Oral Dutasteride on Prostate Volume in Hypogonadal Men With Benign Prostatic Hyperplasia.
Baseline, Day 0
54.2 cubic centimeters
Standard Deviation 38.1
44.4 cubic centimeters
Standard Deviation 19.8
Effects of Testosterone Gel Alone or in Combination With Oral Dutasteride on Prostate Volume in Hypogonadal Men With Benign Prostatic Hyperplasia.
Month 6
58.3 cubic centimeters
Standard Deviation 38.7
38.6 cubic centimeters
Standard Deviation 18.4

SECONDARY outcome

Timeframe: Baseline, Month 6

Population: per protocol

Outcome measures

Outcome measures
Measure
Testosterone Gel + Oral Placebo
n=27 Participants
Testosterone 1% topical gel 7.5g daily + placebo dutasteride pill orally daily for 6 months
Testosterone Gel + Oral Dutasteride
n=26 Participants
Testosterone 1% topical gel 7.5g daily + dutasteride 0.5 mg orally daily for 6 months
Serum and Intraprostatic Hormone Levels: Prostate Specific Antigen (PSA)
Baseline PSA
2.8 ng/ ml
Standard Deviation 2.9
2.1 ng/ ml
Standard Deviation 1.3
Serum and Intraprostatic Hormone Levels: Prostate Specific Antigen (PSA)
Month 6 PSA
3.1 ng/ ml
Standard Deviation 2.9
1.4 ng/ ml
Standard Deviation 1.2

SECONDARY outcome

Timeframe: Baseline, Month 3, Month 6

Population: per protocol

International Prostate Symptom Score to assess lower urinary tract symptoms (LUTS) due to benign prostatic hyperplasia (BPH). Minimum score = 0, maximum score = 35; mildly symptomatic score = 0-7; moderately symptomatic score = 8-19; severely symptomatic score = 20-35; no subscales.

Outcome measures

Outcome measures
Measure
Testosterone Gel + Oral Placebo
n=27 Participants
Testosterone 1% topical gel 7.5g daily + placebo dutasteride pill orally daily for 6 months
Testosterone Gel + Oral Dutasteride
n=26 Participants
Testosterone 1% topical gel 7.5g daily + dutasteride 0.5 mg orally daily for 6 months
The Effects of T Alone or in Combination With Dutasteride on Signs and Symptoms of Benign Prostatic Hyperplasia (BPH) in Hypogonadal Men With Benign Prostatic Hyperplasia. (International Prostate Symptom Score)
Baseline IPSS
13.5 score
Standard Deviation 2.7
13.3 score
Standard Deviation 3.1
The Effects of T Alone or in Combination With Dutasteride on Signs and Symptoms of Benign Prostatic Hyperplasia (BPH) in Hypogonadal Men With Benign Prostatic Hyperplasia. (International Prostate Symptom Score)
Month 3- IPSS
11.6 score
Standard Deviation 5.0
10.2 score
Standard Deviation 5.4
The Effects of T Alone or in Combination With Dutasteride on Signs and Symptoms of Benign Prostatic Hyperplasia (BPH) in Hypogonadal Men With Benign Prostatic Hyperplasia. (International Prostate Symptom Score)
Month 6 IPSS
11.1 score
Standard Deviation 5.2
10.3 score
Standard Deviation 6.6

SECONDARY outcome

Timeframe: Baseline, 3-months, 6-months

Population: per protocol

Outcome measures

Outcome measures
Measure
Testosterone Gel + Oral Placebo
n=27 Participants
Testosterone 1% topical gel 7.5g daily + placebo dutasteride pill orally daily for 6 months
Testosterone Gel + Oral Dutasteride
n=26 Participants
Testosterone 1% topical gel 7.5g daily + dutasteride 0.5 mg orally daily for 6 months
Signs and Symptoms of Benign Prostatic Hyperplasia (BPH) in Hypogonadal Men (Uroflow)
Baseline Uroflow, Baseline
13.8 cc/sec
Standard Deviation 3.0
13.4 cc/sec
Standard Deviation 3.5
Signs and Symptoms of Benign Prostatic Hyperplasia (BPH) in Hypogonadal Men (Uroflow)
Uroflow after 3 months of treatment
12.7 cc/sec
Standard Deviation 3.4
13.2 cc/sec
Standard Deviation 5.8
Signs and Symptoms of Benign Prostatic Hyperplasia (BPH) in Hypogonadal Men (Uroflow)
Uroflow after 6 months of treatment
13.8 cc/sec
Standard Deviation 5.1
14.6 cc/sec
Standard Deviation 6.7

SECONDARY outcome

Timeframe: Baseline, 3-months, 6-months

Outcome measures

Outcome measures
Measure
Testosterone Gel + Oral Placebo
n=27 Participants
Testosterone 1% topical gel 7.5g daily + placebo dutasteride pill orally daily for 6 months
Testosterone Gel + Oral Dutasteride
n=26 Participants
Testosterone 1% topical gel 7.5g daily + dutasteride 0.5 mg orally daily for 6 months
Signs and Symptoms Benign Prostatic Hyperplasia (BPH): Post-voiding Residual (PVR) Urinary Volume
Baseline Post Residual Volume (PVR)
43 cc
Standard Deviation 44
48 cc
Standard Deviation 55
Signs and Symptoms Benign Prostatic Hyperplasia (BPH): Post-voiding Residual (PVR) Urinary Volume
3 month Post Residual Volume
36 cc
Standard Deviation 36
41 cc
Standard Deviation 42
Signs and Symptoms Benign Prostatic Hyperplasia (BPH): Post-voiding Residual (PVR) Urinary Volume
6 month Post Residual Volume
39 cc
Standard Deviation 45
32 cc
Standard Deviation 36

SECONDARY outcome

Timeframe: Baseline, 3-months, 6-months

Population: per protocol

Outcome measures

Outcome measures
Measure
Testosterone Gel + Oral Placebo
n=27 Participants
Testosterone 1% topical gel 7.5g daily + placebo dutasteride pill orally daily for 6 months
Testosterone Gel + Oral Dutasteride
n=26 Participants
Testosterone 1% topical gel 7.5g daily + dutasteride 0.5 mg orally daily for 6 months
Serum Hormone Levels: Total Testosterone, Free Testosterone, and Dihydrotestosterone(DHT), Dehydroepiandrosterone(DHEA), and Androstenedione.
Androstenedione, month 6
100 ng/ dL
Standard Deviation 57
123 ng/ dL
Standard Deviation 61
Serum Hormone Levels: Total Testosterone, Free Testosterone, and Dihydrotestosterone(DHT), Dehydroepiandrosterone(DHEA), and Androstenedione.
Total testosterone, baseline
206 ng/ dL
Standard Deviation 109
213 ng/ dL
Standard Deviation 68
Serum Hormone Levels: Total Testosterone, Free Testosterone, and Dihydrotestosterone(DHT), Dehydroepiandrosterone(DHEA), and Androstenedione.
Total testosterone, month 3
494 ng/ dL
Standard Deviation 331
525 ng/ dL
Standard Deviation 268
Serum Hormone Levels: Total Testosterone, Free Testosterone, and Dihydrotestosterone(DHT), Dehydroepiandrosterone(DHEA), and Androstenedione.
Total testosterone, month 6
481 ng/ dL
Standard Deviation 329
534 ng/ dL
Standard Deviation 360
Serum Hormone Levels: Total Testosterone, Free Testosterone, and Dihydrotestosterone(DHT), Dehydroepiandrosterone(DHEA), and Androstenedione.
Free testosterone, baseline
4.2 ng/ dL
Standard Deviation 2.0
4.5 ng/ dL
Standard Deviation 1.8
Serum Hormone Levels: Total Testosterone, Free Testosterone, and Dihydrotestosterone(DHT), Dehydroepiandrosterone(DHEA), and Androstenedione.
Free testosterone, month 3
11.3 ng/ dL
Standard Deviation 6.8
12.0 ng/ dL
Standard Deviation 6.1
Serum Hormone Levels: Total Testosterone, Free Testosterone, and Dihydrotestosterone(DHT), Dehydroepiandrosterone(DHEA), and Androstenedione.
Free testosterone, month 6
11.4 ng/ dL
Standard Deviation 11.1
12.3 ng/ dL
Standard Deviation 9.6
Serum Hormone Levels: Total Testosterone, Free Testosterone, and Dihydrotestosterone(DHT), Dehydroepiandrosterone(DHEA), and Androstenedione.
Dihydrotestosterone (DHT), baseline
47 ng/ dL
Standard Deviation 94
28 ng/ dL
Standard Deviation 15
Serum Hormone Levels: Total Testosterone, Free Testosterone, and Dihydrotestosterone(DHT), Dehydroepiandrosterone(DHEA), and Androstenedione.
Dihydrotestosterone (DHT), month 3
145 ng/ dL
Standard Deviation 120
16 ng/ dL
Standard Deviation 11
Serum Hormone Levels: Total Testosterone, Free Testosterone, and Dihydrotestosterone(DHT), Dehydroepiandrosterone(DHEA), and Androstenedione.
Dihydrotestosterone (DHT), month 6
134 ng/ dL
Standard Deviation 87
12 ng/ dL
Standard Deviation 7
Serum Hormone Levels: Total Testosterone, Free Testosterone, and Dihydrotestosterone(DHT), Dehydroepiandrosterone(DHEA), and Androstenedione.
Dehydroepiandrosterone (DHEA), baseline
72 ng/ dL
Standard Deviation 42
99 ng/ dL
Standard Deviation 68
Serum Hormone Levels: Total Testosterone, Free Testosterone, and Dihydrotestosterone(DHT), Dehydroepiandrosterone(DHEA), and Androstenedione.
Dehydroepiandrosterone (DHEA), month 3
98 ng/ dL
Standard Deviation 92
109 ng/ dL
Standard Deviation 93
Serum Hormone Levels: Total Testosterone, Free Testosterone, and Dihydrotestosterone(DHT), Dehydroepiandrosterone(DHEA), and Androstenedione.
Dehydroepiandrosterone (DHEA), month 6
97 ng/ dL
Standard Deviation 86
111 ng/ dL
Standard Deviation 90
Serum Hormone Levels: Total Testosterone, Free Testosterone, and Dihydrotestosterone(DHT), Dehydroepiandrosterone(DHEA), and Androstenedione.
Androstenedione, baseline
45 ng/ dL
Standard Deviation 21
47 ng/ dL
Standard Deviation 28
Serum Hormone Levels: Total Testosterone, Free Testosterone, and Dihydrotestosterone(DHT), Dehydroepiandrosterone(DHEA), and Androstenedione.
Androstenedione, month 3
99 ng/ dL
Standard Deviation 72
140 ng/ dL
Standard Deviation 60

Adverse Events

Testosterone Gel + Oral Placebo

Serious events: 2 serious events
Other events: 7 other events
Deaths: 0 deaths

Testosterone Gel + Oral Dutasteride

Serious events: 0 serious events
Other events: 4 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Testosterone Gel + Oral Placebo
n=27 participants at risk
Testosterone 1% topical gel 7.5g daily + placebo dutasteride pill orally daily for 6 months
Testosterone Gel + Oral Dutasteride
n=26 participants at risk
Testosterone 1% topical gel 7.5g daily + dutasteride 0.5 mg orally daily for 6 months
Cardiac disorders
death from myocardial infarction
3.7%
1/27 • Number of events 1 • 4 years. The study was conducted from March 2005 - March 2009.
0.00%
0/26 • 4 years. The study was conducted from March 2005 - March 2009.
Cardiac disorders
non-ST segment myocardial infarction
3.7%
1/27 • Number of events 1 • 4 years. The study was conducted from March 2005 - March 2009.
0.00%
0/26 • 4 years. The study was conducted from March 2005 - March 2009.

Other adverse events

Other adverse events
Measure
Testosterone Gel + Oral Placebo
n=27 participants at risk
Testosterone 1% topical gel 7.5g daily + placebo dutasteride pill orally daily for 6 months
Testosterone Gel + Oral Dutasteride
n=26 participants at risk
Testosterone 1% topical gel 7.5g daily + dutasteride 0.5 mg orally daily for 6 months
Reproductive system and breast disorders
mild breast tenderness
7.4%
2/27 • Number of events 2 • 4 years. The study was conducted from March 2005 - March 2009.
7.7%
2/26 • Number of events 2 • 4 years. The study was conducted from March 2005 - March 2009.
Skin and subcutaneous tissue disorders
ezcema
0.00%
0/27 • 4 years. The study was conducted from March 2005 - March 2009.
3.8%
1/26 • Number of events 1 • 4 years. The study was conducted from March 2005 - March 2009.
Gastrointestinal disorders
exacerbation of pre-existing colitis
0.00%
0/27 • 4 years. The study was conducted from March 2005 - March 2009.
3.8%
1/26 • Number of events 1 • 4 years. The study was conducted from March 2005 - March 2009.
Reproductive system and breast disorders
increase in prostate specific antigen (PSA)
7.4%
2/27 • Number of events 2 • 4 years. The study was conducted from March 2005 - March 2009.
0.00%
0/26 • 4 years. The study was conducted from March 2005 - March 2009.
Blood and lymphatic system disorders
Elevated hematocrit
7.4%
2/27 • Number of events 2 • 4 years. The study was conducted from March 2005 - March 2009.
0.00%
0/26 • 4 years. The study was conducted from March 2005 - March 2009.
Skin and subcutaneous tissue disorders
rash
3.7%
1/27 • Number of events 1 • 4 years. The study was conducted from March 2005 - March 2009.
0.00%
0/26 • 4 years. The study was conducted from March 2005 - March 2009.

Additional Information

Alvin M. Matsumoto, MD

VA Puget Sound Health Care System

Phone: (206) 764-2760

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place