ConductScience.org, home

Trial · NCT00467870

Long-term Safety Study of Intramuscular Injections of 750 mg and 1000 mg Testosterone Undecanoate in Hypogonadal Men

NCT00467870, Phase 3, Completed, Endo USA Inc., a Keenova Therapeutics Company; results first posted 2017-03-07

3 sourcestrials-2026-11-12-0.5.0

Download JSON
Cite this record

ConductScience Library. Long-term Safety Study of Intramuscular Injections of 750 mg and 1000 mg Testosterone Undecanoate in Hypogonadal Men. Trials, record NCT00467870. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT00467870

On this page

Trial

As registered on ClinicalTrials.gov, in the graph's capture of the registry.

Title
Long-term Safety Study of Intramuscular Injections of 750 mg and 1000 mg Testosterone Undecanoate in Hypogonadal Men
NCT number
NCT00467870
Status
Completed
Phases
Phase 3
Enrollment
531 participants, actual
Lead sponsor
Endo USA Inc., a Keenova Therapeutics Company
Conditions
Hypogonadism, Primary Hypogonadism, Secondary Hypogonadism
Interventions
Testosterone Undecanoate 750 mg, Testosterone Undecanoate 1000 mg
First posted
2007-05-01
Last updated
2017-10-05
Results first posted
2017-03-07

Source ClinicalTrials.gov

Registered outcomes35

Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.

ListOutcomeTime frameDescription
PrimaryPercentage of Participants Meeting Serum Total Testosterone Average Concentration Criteria for Responder During the 3rd Injection Interval in Part CDays 0, 4, 7, 11, 14, 21, 28, 42, 56, and 70 post injection at week 14Responders were participants with serum total testosterone average concentration (Cavg) between 300 and 1000 ng/dL derived from the 3rd injection intensive pharmacokinetic (IPK) interval.
PrimarySerum Total Testosterone Average Concentration During the 3rd Injection Interval in Part CDays 0, 4, 7, 11, 14, 21, 28, 42, 56, and 70 post injection at week 14Serum total testosterone Cavg derived from the 3rd injection IPK interval
PrimarySerum Total Testosterone Maximum Concentration During the 3rd Injection Interval in Part CDays 0, 4, 7, 11, 14, 21, 28, 42, 56, and 70 post injection at week 14Serum total testosterone maximum concentration (Cmax) derived from the 3rd injection IPK interval
PrimarySerum Total Testosterone Concentration at the End of the Dosing Interval Following the 3rd Injection in Part CDay 70 post injection at week 14Serum total testosterone concentration at the end of the dosing interval (Ctrough) derived from the 3rd injection IPK interval
PrimaryPercentage of Participants Meeting Serum Total Testosterone Average Concentration Criteria for Responder During the 4th Injection Interval in Part CDays 0, 4, 7, 11, 42, and 70 post injection at week 24Responders were participants with serum total testosterone Cavg between 300 and 1000 ng/dL derived from the 4th injection IPK interval.
PrimarySerum Total Testosterone Average Concentration During the 4th Injection Interval in Part CDays 0, 4, 7, 11, 42, and 70 post injection at week 24Serum total testosterone Cavg derived from the 4th injection IPK interval
PrimarySerum Total Testosterone Maximum Concentration During the 4th Injection Interval in Part CDays 0, 4, 7, 11, 42, and 70 post injection at week 24Serum total testosterone Cmax derived from the 4th injection IPK interval
PrimarySerum Total Testosterone Concentration at the End of the Dosing Interval Following the 4th Injection in Part CDay 70 post injection at week 24Serum total testosterone Ctrough derived from the 4th injection IPK interval
PrimaryPercentage of Participants Meeting Serum Total Testosterone Maximum Concentration Criteria for Success During the 2nd Injection Interval in Part C2Days 0, 4, 7, 11, 14, and 70 post injection at week 4Success was defined as having ≥85% of participants with Cmax ≤1500 ng/dL, ≤5% of participants with Cmax 1800-2500 ng/dL, and no participants with Cmax \>2500 ng/dL.
PrimarySerum Total Testosterone Average Concentration During the 2nd Injection Interval in Part C2Days 0, 4, 7, 11, 14, and 70 post injection at week 4Serum total testosterone Cavg derived from the 2nd injection IPK interval

Outcomes35

Each outcome the trial posted results for, in ClinicalTrials.gov's words.

TypeOutcomeTime framePopulationUnitsMeasured as
PRIMARYPercentage of Participants Meeting Serum Total Testosterone Average Concentration Criteria for Responder During the 3rd Injection Interval in Part CDays 0, 4, 7, 11, 14, 21, 28, 42, 56, and 70 post injection at week 14
Pharmacokinetic (PK) population includes participants who had a minimum of 4 serum total testosterone concentration values within the 3rd injection interval (13 participants were excluded from analysis)
percentage of participantsNUMBER
PRIMARYSerum Total Testosterone Average Concentration During the 3rd Injection Interval in Part CDays 0, 4, 7, 11, 14, 21, 28, 42, 56, and 70 post injection at week 14PK population includes participants who had a minimum of 4 serum total testosterone concentration values within the 3rd injection interval (13 participants were excluded from analysis)ng/dLMEAN
PRIMARYSerum Total Testosterone Maximum Concentration During the 3rd Injection Interval in Part CDays 0, 4, 7, 11, 14, 21, 28, 42, 56, and 70 post injection at week 14PK population includes participants who had a minimum of 4 serum total testosterone concentration values within the 3rd injection interval (13 participants were excluded from analysis)ng/dLMEAN
PRIMARYSerum Total Testosterone Concentration at the End of the Dosing Interval Following the 3rd Injection in Part CDay 70 post injection at week 14PK population includes participants who had a minimum of 4 serum total testosterone concentration values within the 3rd injection interval (13 participants were excluded from analysis)ng/dLMEAN
PRIMARYPercentage of Participants Meeting Serum Total Testosterone Average Concentration Criteria for Responder During the 4th Injection Interval in Part CDays 0, 4, 7, 11, 42, and 70 post injection at week 24Steady-state PK population includes all participants in the PK population with non-missing 4th and 5th injection serum total testosterone concentrations (26 participants were excluded from analysis)percentage of participantsNUMBER
PRIMARYSerum Total Testosterone Average Concentration During the 4th Injection Interval in Part CDays 0, 4, 7, 11, 42, and 70 post injection at week 24Steady-state PK population includes all participants in the PK population with non-missing 4th and 5th injection serum total testosterone concentrations (26 participants were excluded from analysis)ng/dLMEAN
PRIMARYSerum Total Testosterone Maximum Concentration During the 4th Injection Interval in Part CDays 0, 4, 7, 11, 42, and 70 post injection at week 24Steady-state PK population includes all participants in the PK population with non-missing 4th and 5th injection serum total testosterone concentrations (26 participants were excluded from analysis)ng/dLMEAN
PRIMARYSerum Total Testosterone Concentration at the End of the Dosing Interval Following the 4th Injection in Part CDay 70 post injection at week 24Steady-state PK population includes all participants in the PK population with non-missing 4th and 5th injection serum total testosterone concentrations (26 participants were excluded from analysis)ng/dLMEAN
PRIMARYPercentage of Participants Meeting Serum Total Testosterone Maximum Concentration Criteria for Success During the 2nd Injection Interval in Part C2Days 0, 4, 7, 11, 14, and 70 post injection at week 4Total patient sample/PK sample includes participants who were enrolled, received injection 2, and had at least 1 post-injection 2 IPK sample (no participants were excluded)percentage of participantsNUMBER
PRIMARYSerum Total Testosterone Average Concentration During the 2nd Injection Interval in Part C2Days 0, 4, 7, 11, 14, and 70 post injection at week 4Total patient sample/PK sample includes participants who were enrolled, received injection 2, and had at least 1 post-injection 2 IPK sample (no participants were excluded)ng/dLMEAN

Results by group108

Each measurement the trial posted, group by group, in the words and numbers it posted.

OutcomeGroupCategoryValueSpreadUnits
Percentage of Participants Meeting Serum Total Testosterone Average Concentration Criteria for Responder During the 3rd Injection Interval in Part CC-TU 750 mg94.095% Confidence Interval 89.7 to 98.3percentage of participants
Serum Total Testosterone Average Concentration During the 3rd Injection Interval in Part CC-TU 750 mg494.9373Standard Deviation 141.46351ng/dL
Serum Total Testosterone Maximum Concentration During the 3rd Injection Interval in Part CC-TU 750 mg890.583Standard Deviation 345.1148ng/dL
Serum Total Testosterone Concentration at the End of the Dosing Interval Following the 3rd Injection in Part CC-TU 750 mg323.522Standard Deviation 99.1081ng/dL
Percentage of Participants Meeting Serum Total Testosterone Average Concentration Criteria for Responder During the 4th Injection Interval in Part CC-TU 750 mg96.295% Confidence Interval 92.5 to 99.8percentage of participants
Serum Total Testosterone Average Concentration During the 4th Injection Interval in Part CC-TU 750 mg514.2792Standard Deviation 163.11476ng/dL
Serum Total Testosterone Maximum Concentration During the 4th Injection Interval in Part CC-TU 750 mg837.648Standard Deviation 412.0692ng/dL
Serum Total Testosterone Concentration at the End of the Dosing Interval Following the 4th Injection in Part CC-TU 750 mg342.800Standard Deviation 106.9180ng/dL
Percentage of Participants Meeting Serum Total Testosterone Maximum Concentration Criteria for Success During the 2nd Injection Interval in Part C2C2-TU 750 mgCmax ≤1500 ng/dL95.7percentage of participants
Percentage of Participants Meeting Serum Total Testosterone Maximum Concentration Criteria for Success During the 2nd Injection Interval in Part C2C2-TU 750 mgCmax 1800-2500 ng/dL0percentage of participants

Participant flow18

How many started, completed or left each group, period by period.

PeriodMilestoneGroupParticipantsUnits counted
Overall StudySTARTEDA-TU 750 mg120
Overall StudySTARTEDA-TU 1000 mg117
Overall StudySTARTEDB-TU 750 mg22
Overall StudySTARTEDB-TU 1000 mg112
Overall StudySTARTEDC-TU 750 mg130
Overall StudySTARTEDC2-TU 750 mg23
Overall StudyCOMPLETEDA-TU 750 mg75
Overall StudyCOMPLETEDA-TU 1000 mg74
Overall StudyCOMPLETEDB-TU 750 mg18
Overall StudyCOMPLETEDB-TU 1000 mg79

Adverse events194

Each adverse event the trial posted, group by group: the participants affected out of those at risk.

TypeEventOrgan systemGroupAffectedAt riskEvents
otherSinusitisInfections and infestationsTU 750 mg18272
otherSinusitisInfections and infestationsTU 1000 mg13252
otherUpper respiratory tract infectionInfections and infestationsTU 750 mg15272
otherUpper respiratory tract infectionInfections and infestationsTU 1000 mg15252
otherNasopharyngitisInfections and infestationsTU 750 mg14272
otherNasopharyngitisInfections and infestationsTU 1000 mg14252
otherBronchitisInfections and infestationsTU 750 mg12272
otherBronchitisInfections and infestationsTU 1000 mg8252
otherUrinary tract infectionInfections and infestationsTU 750 mg5272
otherUrinary tract infectionInfections and infestationsTU 1000 mg9252

Adverse event totals6

The totals the trial posted for each group.

TotalGroupAffectedAt risk
Total, all-cause mortalityTU 750 mg
Total, all-cause mortalityTU 1000 mg
Total, other adverse eventsTU 750 mg131272
Total, other adverse eventsTU 1000 mg120252
Total, serious adverse eventsTU 750 mg38272
Total, serious adverse eventsTU 1000 mg37252

Papers0

The papers the trial lists on ClinicalTrials.gov.

None in this release.

Grants0

The grants NIH RePORTER links to the trial, newest funded first: NIH's, and some of AHRQ's, CDC's, FDA's and VA's. Each shows its title, principal investigators, organization and funder in its newest year.

None in this release.

Trial comparisons1

Comparisons of the trial's two groups, calculated by ConductScience from the counts it posted.

Comparison
TU 750 mg vs TU 1000 mg: serious adverse events

Tests0

The ConductCognition tests this trial's registered outcomes name, as ScienceGraph matched them in trial-tests-2026-11-12-0.2.1.

None in this release.

Data dates

The day each source was copied for this release.

ClinicalTrials.gov
2026-11-12
ClinicalTrials.gov
Results, from AACT
2026-03-23
AACT
NIH grant links
2026-11-13
NIH RePORTER

Sources 3

  • ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
  • ClinicalTrials.govNo license stated
  • NIH RePORTER's clinical studies and project filesPublic domain
Each source's terms
  • ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
  • ClinicalTrials.govnone stated
  • NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

For software

Read this trial from software.

The record and each of its lists are JSON, twenty rows a page. No key.

GET https://conductscience.org/api/trials/v1/NCT00467870

GET https://conductscience.org/api/trials/v1/NCT00467870/registered?page=2