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

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

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

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 Weeks

Population: 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

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

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

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

Director of Clinical Trials

Medicis Global Services Corporation

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