~34 spots leftby Oct 2025

Jatenzo for Low Testosterone

Recruiting at 27 trial locations
Age: 18+
Sex: Male
Travel: May Be Covered
Time Reimbursement: Varies
Trial Phase: Phase 4
Waitlist Available
Sponsor: Tolmar Inc.
No Placebo Group
Prior Safety Data

Trial Summary

What is the purpose of this trial?

TOL-CLAR-20024 is a Phase 4, multi-center, open-label safety study evaluating the potential effect of JATENZO on adrenal function in hypogonadal men treated with JATENZO for 12 months.

Eligibility Criteria

Men aged 18-65 with low testosterone, diagnosed as hypogonadal, can join this trial. They must not be on any testosterone treatments except the study drug and should have had at least one testosterone level below 300 ng/dL before the study. Participants need good vein access for blood samples and must follow the protocol.

Inclusion Criteria

Subject must be able and willing to provide written informed consent and comply with the trial protocol and procedures
I have good vein access in my arm for treatments.
I am a man aged 18-65 with diagnosed low testosterone.
See 2 more

Exclusion Criteria

Subject with a current or prior history of AI
Subject with specific cortisol levels or baseline CBG outside the reference range
Subject who received drugs as part of another research study within 30 days of initial dose administration
See 26 more

Treatment Details

Interventions

  • JATENZO (Hormone Therapy)
Trial OverviewThe trial is testing JATENZO's effects on adrenal function in men with low testosterone over a period of 12 months. It's an open-label safety study, meaning everyone knows they're taking JATENZO and there are no placebos or comparison drugs involved.
Participant Groups
1Treatment groups
Experimental Treatment
Group I: JATENZO® twice dailyExperimental Treatment1 Intervention
Participants receive 237 mg JATENZO twice daily, with the potential to be titrated to a higher or lower dose depending on serum testosterone levels.

Find a Clinic Near You

Who Is Running the Clinical Trial?

Tolmar Inc.

Lead Sponsor

Trials
5
Recruited
1,400+

ICON plc

Industry Sponsor

Trials
88
Recruited
28,900+

Dr. Steve Cutler

ICON plc

Chief Executive Officer since 2017

PhD from the University of Sydney, MBA from the University of Birmingham

Dr. Greg Licholai

ICON plc

Chief Medical Officer since 2023

Degrees from Harvard Business School, Yale School of Medicine, Columbia University, and Boston College