Trial Outcomes & Findings for A Study to Examine the Effects of Minocycline Extended-Release Tablets on Sperm Production in Human Males. (NCT NCT00765336)
NCT ID: NCT00765336
Last Updated: 2011-12-07
Results Overview
Recruitment status
COMPLETED
Study phase
PHASE4
Target enrollment
180 participants
Primary outcome timeframe
Baseline and 12 Weeks
Results posted on
2011-12-07
Participant Flow
Participant milestones
| Measure |
Minocycline Extended-Release Tablets
daily dose of 1 mg/kg minocycline extended-release tablets
|
Placebo
daily dose of Placebo
|
|---|---|---|
|
Overall Study
STARTED
|
91
|
89
|
|
Overall Study
COMPLETED
|
72
|
73
|
|
Overall Study
NOT COMPLETED
|
19
|
16
|
Reasons for withdrawal
| Measure |
Minocycline Extended-Release Tablets
daily dose of 1 mg/kg minocycline extended-release tablets
|
Placebo
daily dose of Placebo
|
|---|---|---|
|
Overall Study
Protocol Violation
|
4
|
2
|
|
Overall Study
Withdrawal by Subject
|
6
|
4
|
|
Overall Study
Lost to Follow-up
|
7
|
9
|
|
Overall Study
Adverse Event
|
2
|
1
|
Baseline Characteristics
A Study to Examine the Effects of Minocycline Extended-Release Tablets on Sperm Production in Human Males.
Baseline characteristics by cohort
| Measure |
Minocycline Extended-Release Tablets
n=91 Participants
daily dose of 1 mg/kg minocycline extended-release tablets
|
Placebo
n=89 Participants
daily dose of Placebo
|
Total
n=180 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
|
91 Participants
n=5 Participants
|
89 Participants
n=7 Participants
|
180 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
|
33.4 years
STANDARD_DEVIATION 11.0 • n=5 Participants
|
32.2 years
STANDARD_DEVIATION 9.0 • n=7 Participants
|
32.8 years
STANDARD_DEVIATION 10.0 • 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
|
91 Participants
n=5 Participants
|
89 Participants
n=7 Participants
|
180 Participants
n=5 Participants
|
|
Region of Enrollment
United States
|
91 participants
n=5 Participants
|
89 participants
n=7 Participants
|
180 participants
n=5 Participants
|
PRIMARY outcome
Timeframe: Baseline and 12 WeeksPopulation: The enrollment was designed to ensure study completion of approximately 150 subjects. Actual enrollment was 180 subjects (92 in the minocycline group, 88 in the placebo group). A total of 145 subjects (72 in the minocycline group, 73 in the placebo group) comprised the completed population group.
Outcome measures
| Measure |
Minocycline Extended-Release Tablets
n=72 Participants
daily dose of 1 mg/kg minocycline extended-release tablets
|
Placebo
n=73 Participants
daily dose of Placebo
|
|---|---|---|
|
Mean Percent Change From Screening in Sperm Concentration.
|
9.8 Percent change
Standard Deviation 58.3
|
-1.3 Percent change
Standard Deviation 47.7
|
Adverse Events
Minocycline Extended-Release Tablets
Serious events: 0 serious events
Other events: 33 other events
Deaths: 0 deaths
Placebo
Serious events: 2 serious events
Other events: 27 other events
Deaths: 0 deaths
Serious adverse events
| Measure |
Minocycline Extended-Release Tablets
n=91 participants at risk
daily dose of 1 mg/kg minocycline extended-release tablets
|
Placebo
n=89 participants at risk
daily dose of Placebo
|
|---|---|---|
|
Gastrointestinal disorders
Appendicitis
|
0.00%
0/91 • Posted adverse event data was collected during the treatment phase (through week 12)
|
1.1%
1/89 • Number of events 1 • Posted adverse event data was collected during the treatment phase (through week 12)
|
|
Musculoskeletal and connective tissue disorders
Back Injury
|
0.00%
0/91 • Posted adverse event data was collected during the treatment phase (through week 12)
|
1.1%
1/89 • Number of events 1 • Posted adverse event data was collected during the treatment phase (through week 12)
|
Other adverse events
| Measure |
Minocycline Extended-Release Tablets
n=91 participants at risk
daily dose of 1 mg/kg minocycline extended-release tablets
|
Placebo
n=89 participants at risk
daily dose of Placebo
|
|---|---|---|
|
Infections and infestations
Infections and Infestations
|
8.8%
8/91 • Posted adverse event data was collected during the treatment phase (through week 12)
|
10.1%
9/89 • Posted adverse event data was collected during the treatment phase (through week 12)
|
|
Injury, poisoning and procedural complications
Injury, Poisoning and Procedural Complications
|
3.3%
3/91 • Posted adverse event data was collected during the treatment phase (through week 12)
|
2.2%
2/89 • Posted adverse event data was collected during the treatment phase (through week 12)
|
|
Investigations
Investigations
|
5.5%
5/91 • Posted adverse event data was collected during the treatment phase (through week 12)
|
2.2%
2/89 • Posted adverse event data was collected during the treatment phase (through week 12)
|
|
Nervous system disorders
Nervous System Disorders
|
4.4%
4/91 • Posted adverse event data was collected during the treatment phase (through week 12)
|
3.4%
3/89 • Posted adverse event data was collected during the treatment phase (through week 12)
|
|
Skin and subcutaneous tissue disorders
Skin and Subcutaneous Tissue Disorders
|
12.1%
11/91 • Posted adverse event data was collected during the treatment phase (through week 12)
|
4.5%
4/89 • Posted adverse event data was collected during the treatment phase (through week 12)
|
|
Gastrointestinal disorders
Gastrointestinal Disorders
|
8.8%
8/91 • Posted adverse event data was collected during the treatment phase (through week 12)
|
6.7%
6/89 • Posted adverse event data was collected during the treatment phase (through week 12)
|
|
Respiratory, thoracic and mediastinal disorders
Respiratory, Thoracic and Mediastinal Disorders
|
2.2%
2/91 • Posted adverse event data was collected during the treatment phase (through week 12)
|
7.9%
7/89 • Posted adverse event data was collected during the treatment phase (through week 12)
|
|
Musculoskeletal and connective tissue disorders
Musculoskeletal and connective tissue disorders
|
4.4%
4/91 • Posted adverse event data was collected during the treatment phase (through week 12)
|
4.5%
4/89 • Posted adverse event data was collected during the treatment phase (through week 12)
|
Additional Information
Results disclosure agreements
- Principal investigator is a sponsor employee Specific restrictions and agreements are specified in each investigator's contract.
- Publication restrictions are in place
Restriction type: OTHER