Trial Outcomes & Findings for Open-label, Follow-up Study of Oral Testosterone Undecanoate in Hypogonadal Men (NCT NCT01699178)

NCT ID: NCT01699178

Last Updated: 2021-06-28

Results Overview

Long-term safety profile of oral TU product compared with AndroGel based on absolute change from primary baseline based on Total Cholesterol, HDL, LDL, hemoglobin, hematocrit and prostate volume.

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

182 participants

Primary outcome timeframe

Approximately 365 days

Results posted on

2021-06-28

Participant Flow

Participant milestones

Participant milestones
Measure
Oral Testosterone Undecanoate
Oral testosterone undecanoate 100-300 mg T BID, for 12 months.
Transdermal Testosterone Gel (AndroGel)
Transdermal testosterone gel 2.5-10 g/applied once daily for 12 months
Overall Study
STARTED
88
94
Overall Study
COMPLETED
69
62
Overall Study
NOT COMPLETED
19
32

Reasons for withdrawal

Reasons for withdrawal
Measure
Oral Testosterone Undecanoate
Oral testosterone undecanoate 100-300 mg T BID, for 12 months.
Transdermal Testosterone Gel (AndroGel)
Transdermal testosterone gel 2.5-10 g/applied once daily for 12 months
Overall Study
Adverse Event
1
5
Overall Study
Lost to Follow-up
1
6
Overall Study
Non-compliance with Study Drug
3
1
Overall Study
Physician Decision
1
0
Overall Study
Withdrawal by Subject
4
12
Overall Study
Hematocrit >54%
1
1
Overall Study
PSA increase of >1.4 ng/mL
4
3
Overall Study
ineligible/noncompliant/ subject reason
4
4

Baseline Characteristics

Open-label, Follow-up Study of Oral Testosterone Undecanoate in Hypogonadal Men

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Oral Testosterone Undecanoate
n=88 Participants
Oral testosterone undecanoate; continue dose from previous Phase III trial; 100-300 mg T (as TU), BID, for 12 months. Oral testosterone undecanoate: Total daily dose of T = 200 mg T (as 316 mg TU) to 600 mg T (as 948 mg TU), taken as 100 mg to 300 mg T BID
Transdermal Testosterone Gel (AndroGel)
n=94 Participants
Transdermal testosterone gel; continue dose from previous Phase III trial, 2.5-10 g/applied once daily for 12 months Transdermal testosterone gel (AndroGel): Total daily dose of T = 2.5 to 10 g of gel (25 mg to 100 mg T) QD
Total
n=182 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
88 Participants
n=5 Participants
94 Participants
n=7 Participants
182 Participants
n=5 Participants
Age, Categorical
>=65 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Age, Continuous
56.2 years
STANDARD_DEVIATION 10.04 • n=5 Participants
56.8 years
STANDARD_DEVIATION 11.23 • n=7 Participants
56.5 years
STANDARD_DEVIATION 10.64 • 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
88 Participants
n=5 Participants
94 Participants
n=7 Participants
182 Participants
n=5 Participants
Region of Enrollment
United States
88 participants
n=5 Participants
94 participants
n=7 Participants
182 participants
n=5 Participants

PRIMARY outcome

Timeframe: Approximately 365 days

Population: The number analyzed is less than the number of participants who began the study due to early withdrawals from study, and no available data for comparison to baseline values.

Long-term safety profile of oral TU product compared with AndroGel based on absolute change from primary baseline based on Total Cholesterol, HDL, LDL, hemoglobin, hematocrit and prostate volume.

Outcome measures

Outcome measures
Measure
Oral TU
n=68 Participants
Subjects treated with Oral TU
Transdermal T-gel
n=62 Participants
Subjects treated with Transdermal T-gel with a measurement taken after approximately 365 days of treatment.
Absolute Change From Baseline in T Cholesterol
0.2 mg/dL
Interval -8.4 to 8.9
8.2 mg/dL
Interval -0.1 to 16.6

PRIMARY outcome

Timeframe: Approximately 365 days

Population: The number analyzed is less than the number of participants who began the study due to early withdrawals from study, and no available data for comparison to baseline values.

Long-term safety profile of oral TU product compared with AndroGel based on absolute change from primary baseline based on Total Cholesterol, HDL, LDL, hemoglobin, hematocrit and prostate volume.

Outcome measures

Outcome measures
Measure
Oral TU
n=68 Participants
Subjects treated with Oral TU
Transdermal T-gel
n=62 Participants
Subjects treated with Transdermal T-gel with a measurement taken after approximately 365 days of treatment.
Absolute Change From Baseline in HDL
2.4 mg/dL
Interval 0.7 to 4.1
4.0 mg/dL
Interval 2.5 to 5.5

PRIMARY outcome

Timeframe: Approximately 365 days

Population: The number analyzed is less than the number of participants who began the study due to early withdrawals from study, and no available data for comparison to baseline values.

Long-term safety profile of oral TU product compared with AndroGel based on absolute change from primary baseline based on Total Cholesterol, HDL, LDL, hemoglobin, hematocrit and prostate volume.

Outcome measures

Outcome measures
Measure
Oral TU
n=67 Participants
Subjects treated with Oral TU
Transdermal T-gel
n=61 Participants
Subjects treated with Transdermal T-gel with a measurement taken after approximately 365 days of treatment.
Absolute Change From Baseline in LDL
-1.5 mg/dL
Interval -9.5 to 6.5
6.0 mg/dL
Interval -1.2 to 13.1

PRIMARY outcome

Timeframe: Approximately 365 days

Population: The number analyzed is less than the number of participants who began the study due to early withdrawals from study, and no available data for comparison to baseline values.

Long-term safety profile of oral TU product compared with AndroGel based on absolute change from primary baseline based on Total Cholesterol, HDL, LDL, hemoglobin, hematocrit and prostate volume.

Outcome measures

Outcome measures
Measure
Oral TU
n=68 Participants
Subjects treated with Oral TU
Transdermal T-gel
n=62 Participants
Subjects treated with Transdermal T-gel with a measurement taken after approximately 365 days of treatment.
Absolute Change From Baseline in Hgb
0.36 g/dL
Interval 0.11 to 0.61
0.36 g/dL
Interval 0.07 to 0.65

PRIMARY outcome

Timeframe: Approximately 365 days

Population: The number analyzed is less than the number of participants who began the study due to early withdrawals from study, and no available data for comparison to baseline values.

Long-term safety profile of oral TU product compared with AndroGel based on absolute change from primary baseline based on Total Cholesterol, HDL, LDL, hemoglobin, hematocrit and prostate volume.

Outcome measures

Outcome measures
Measure
Oral TU
n=68 Participants
Subjects treated with Oral TU
Transdermal T-gel
n=62 Participants
Subjects treated with Transdermal T-gel with a measurement taken after approximately 365 days of treatment.
Absolute Change From Baseline in Hct
0.38 percent
Interval -0.3 to 1.06
0.37 percent
Interval -0.44 to 1.19

PRIMARY outcome

Timeframe: Approximately 365 days

Population: The number analyzed is less than the number of participants who began the study due to early withdrawals from study, and no available data for comparison to baseline values.

Long-term safety profile of oral TU product compared with AndroGel based on absolute change from primary baseline based on Total Cholesterol, HDL, LDL, hemoglobin, hematocrit and prostate volume.

Outcome measures

Outcome measures
Measure
Oral TU
n=68 Participants
Subjects treated with Oral TU
Transdermal T-gel
n=61 Participants
Subjects treated with Transdermal T-gel with a measurement taken after approximately 365 days of treatment.
Absolute Change From Baseline in Prostate Volume
1.09 cc
Interval -0.78 to 2.97
0.40 cc
Interval -1.81 to 2.62

Adverse Events

Oral TU

Serious events: 6 serious events
Other events: 32 other events
Deaths: 0 deaths

Transdermal T-gel

Serious events: 6 serious events
Other events: 33 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Oral TU
n=88 participants at risk
Subjects treated with Oral TU with a measurement taken after approximately 365 days of treatment are used for safety laboratory values for comparisons to baseline. All subjects who received at least one dose of study drug were included in the reporting of treatment emergent adverse events.
Transdermal T-gel
n=94 participants at risk
Subjects treated with Transdermal T-gel with a measurement taken after approximately 365 days of treatment are used for safety laboratory values for comparisons to baseline. All subjects who received at least one dose of study drug were included in the reporting of treatment emergent adverse events.
Cardiac disorders
Prinzmetal angina
1.1%
1/88 • Number of events 1 • 365 days
0.00%
0/94 • 365 days
Gastrointestinal disorders
Duodenal ulcer haemorrhage
0.00%
0/88 • 365 days
1.1%
1/94 • Number of events 1 • 365 days
Gastrointestinal disorders
gastric ulcer hemorrhage
0.00%
0/88 • 365 days
1.1%
1/94 • Number of events 1 • 365 days
Hepatobiliary disorders
Cholelithiasis
1.1%
1/88 • Number of events 1 • 365 days
0.00%
0/94 • 365 days
Infections and infestations
sepsis
0.00%
0/88 • 365 days
1.1%
1/94 • Number of events 1 • 365 days
Injury, poisoning and procedural complications
fall
0.00%
0/88 • 365 days
1.1%
1/94 • Number of events 1 • 365 days
Injury, poisoning and procedural complications
wound
1.1%
1/88 • Number of events 1 • 365 days
0.00%
0/94 • 365 days
Musculoskeletal and connective tissue disorders
Exostosis
1.1%
1/88 • Number of events 1 • 365 days
0.00%
0/94 • 365 days
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Prostate Cancer
0.00%
0/88 • 365 days
1.1%
1/94 • Number of events 1 • 365 days
Nervous system disorders
Cerebellar Infarction
1.1%
1/88 • Number of events 1 • 365 days
0.00%
0/94 • 365 days
Nervous system disorders
Cerebrovascular Accident
1.1%
1/88 • Number of events 1 • 365 days
1.1%
1/94 • Number of events 1 • 365 days
Nervous system disorders
Syncope
1.1%
1/88 • Number of events 1 • 365 days
0.00%
0/94 • 365 days
Surgical and medical procedures
Alcohol detoxification
0.00%
0/88 • 365 days
1.1%
1/94 • Number of events 1 • 365 days

Other adverse events

Other adverse events
Measure
Oral TU
n=88 participants at risk
Subjects treated with Oral TU with a measurement taken after approximately 365 days of treatment are used for safety laboratory values for comparisons to baseline. All subjects who received at least one dose of study drug were included in the reporting of treatment emergent adverse events.
Transdermal T-gel
n=94 participants at risk
Subjects treated with Transdermal T-gel with a measurement taken after approximately 365 days of treatment are used for safety laboratory values for comparisons to baseline. All subjects who received at least one dose of study drug were included in the reporting of treatment emergent adverse events.
Blood and lymphatic system disorders
Polycythemia
5.7%
5/88 • Number of events 5 • 365 days
5.3%
5/94 • Number of events 5 • 365 days
Infections and infestations
Bronchitis
4.5%
4/88 • Number of events 4 • 365 days
4.3%
4/94 • Number of events 4 • 365 days
Infections and infestations
Sinusitis
4.5%
4/88 • Number of events 4 • 365 days
0.00%
0/94 • 365 days
Investigations
Blood triglycerides increased
0.00%
0/88 • 365 days
2.1%
2/94 • Number of events 2 • 365 days
Investigations
Hematocrit Increased
4.5%
4/88 • Number of events 4 • 365 days
2.1%
2/94 • Number of events 2 • 365 days
Investigations
PSA Increased
2.3%
2/88 • Number of events 2 • 365 days
2.1%
2/94 • Number of events 2 • 365 days
Investigations
Hypertriglyceridemia
1.1%
1/88 • Number of events 1 • 365 days
2.1%
2/94 • Number of events 2 • 365 days
Musculoskeletal and connective tissue disorders
Arthalgia
0.00%
0/88 • 365 days
2.1%
2/94 • Number of events 2 • 365 days
Musculoskeletal and connective tissue disorders
Back pain
2.3%
2/88 • Number of events 2 • 365 days
2.1%
2/94 • Number of events 2 • 365 days
Musculoskeletal and connective tissue disorders
Invertebral disc protrusion
0.00%
0/88 • 365 days
2.1%
2/94 • Number of events 2 • 365 days
Musculoskeletal and connective tissue disorders
Pain in extremity
0.00%
0/88 • 365 days
2.1%
2/94 • Number of events 2 • 365 days
Psychiatric disorders
Depression
2.3%
2/88 • Number of events 2 • 365 days
0.00%
0/94 • 365 days
Reproductive system and breast disorders
Benign prostatic hyperplasia
2.3%
2/88 • Number of events 2 • 365 days
0.00%
0/94 • 365 days
Reproductive system and breast disorders
Prostatomegaly
1.1%
1/88 • Number of events 1 • 365 days
3.2%
3/94 • Number of events 3 • 365 days
Skin and subcutaneous tissue disorders
Rash
3.4%
3/88 • Number of events 3 • 365 days
2.1%
2/94 • Number of events 2 • 365 days
Vascular disorders
Hypertension
2.3%
2/88 • Number of events 2 • 365 days
3.2%
3/94 • Number of events 3 • 365 days

Additional Information

Theodore Danoff, MD, PhD

Clarus Therapeutics

Phone: 847-562-4300

Results disclosure agreements

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

Restriction type: GT60