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A Dose Escalating Study to Determine the Tolerability and PK of a Single Dose of Androxal

A Dose Escalating Study To Determine the Tolerability and Pharmacokinetics of a Single Dose of Androxal in Healthy Volunteers

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01959685
Enrollment
9
Registered
2013-10-10
Start date
2013-10-31
Completion date
2013-11-30
Last updated
2014-08-11

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Pharmacokinetics, Tolerability

Brief summary

To determine the tolerability and pharmacokinetics (PK) of a single dose of Androxal in healthy adult male subjects as the dose to be investigated in a thorough QT interval/corrected QT interval (QT/QTc) study.

Detailed description

A dose escalating study to determine the tolerability and pharmacokinetics (PK) of a supra-therapeutic dose of Androxal, up to 250 mg, in healthy adult male subjects as the dose to be investigated in a thorough QT interval/corrected QT interval (QT/QTc) study.

Interventions

125 mg Androxal, 250 mg Androxal separated by at least 7 days

DRUGPlacebo

Placebo, single dose

Sponsors

Repros Therapeutics Inc.
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
MALE
Age
18 Years to 60 Years
Healthy volunteers
Yes

Inclusion criteria

* Speaks, reads, and understands English or Spanish and is willing and able to provide written informed consent on an institutional review board (IRB)-approved form prior to the initiation of any study procedures; * Male, between the ages of 18-60 years; * No significant abnormal findings at the screening physical examination as evaluated by the Investigator; * Normal laboratory values (or abnormal but not clinically significant) at screening as determined by the Investigator; * Subject is willing to remain in the clinic overnight for the Day 1 and Day 8 visits; * Must be able to swallow gelatin capsules

Exclusion criteria

* Known hypersensitivity to Clomid; * Abnormal screening visit vital signs or clinical laboratory evaluation considered clinically significant by the Investigator; * Subject with a significant organ abnormality or disease as determined by the Investigator; * Any medical condition that would interfere with the study as determined by the Investigator; * Slow cytochrome P450 2D6 (CYP2D6) metabolizer * Participation in a clinical trial with investigational medication within 30 days prior to study medication administration; * An acute illness within 5 days of study medication administration; * Positive urine drug screen at the screening visit; * A mental condition rendering the subject unable to understand the nature, scope, and possible consequences of the study and/or evidence of an uncooperative attitude, as determined by the Investigator; * History of venous thromboembolic disease (e.g. deep vein thrombosis or pulmonary embolism); * History of myocardial infarction, unstable angina, symptomatic heart failure, ventricular dysrhythmia, or known history of QTc interval prolongation; * An employee or family member of an employee of the study site or the Sponsor;

Design outcomes

Primary

MeasureTime frameDescription
Pharmacokinetics24 hrsCmax of a single dose 125 mg of Androxal
Cmax of a Single Dose of 250 mg Androxal24 hours

Countries

United States

Participant flow

Participants by arm

ArmCount
Up to 250 mg Androxal
Subjects received a single dose each of placebo, 125 mg Androxal and 250 mg Androxal
9
Total9

Baseline characteristics

CharacteristicUp to 250 mg Androxal
Age, Categorical
<=18 years
0 Participants
Age, Categorical
>=65 years
0 Participants
Age, Categorical
Between 18 and 65 years
9 Participants
Region of Enrollment
United States
9 participants
Sex: Female, Male
Female
0 Participants
Sex: Female, Male
Male
9 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
— / —
other
Total, other adverse events
4 / 9
serious
Total, serious adverse events
0 / 9

Outcome results

Primary

Cmax of a Single Dose of 250 mg Androxal

Time frame: 24 hours

Population: Safety population

ArmMeasureValue (MEAN)Dispersion
Up to 250 mg AndroxalCmax of a Single Dose of 250 mg Androxal24.9 ng/dLStandard Deviation 10.4
Primary

Pharmacokinetics

Cmax of a single dose 125 mg of Androxal

Time frame: 24 hrs

Population: Safety population

ArmMeasureValue (MEAN)Dispersion
Up to 250 mg AndroxalPharmacokinetics11.0 ng/dLStandard Deviation 3.1

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026