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52 Week Study + 24-Month Long-Term Extension of Safety, PK, & Efficacy of XYOSTED® for Testosterone Replacement in Male Adolescents With Hypogonadism

NCT06689085 on ClinicalTrials.gov

Study listings come from ClinicalTrials.gov, where sponsors register and update their own studies. A listing does not mean a study is safe or effective, and DatenUS does not recommend any study. Talk with your doctor before joining a clinical trial, and use ClinicalTrials.gov for contact details and full eligibility rules.

Status
Recruiting
Phase
Phase 3
Interventional
Planned enrollment
100
Participants, all sites
U.S. sites
20
In 15 states

Study details

Conditions
Hypogonadism, Male
Sponsor
Halozyme Therapeutics (Industry)
Ages
12 to 17 years
Sex
Male only
Healthy volunteers
Not accepted
Start
03/07/2025
Primary completion (expected)
March 2028
Last updated by sponsor
02/18/2026

Full eligibility rules, contacts and site names: NCT06689085 on ClinicalTrials.gov

Where the study has sites

Cities with at least one listed U.S. site. Some sites may not be enrolling yet.

  • California: Los Angeles, San Diego, San Francisco
  • Colorado: Aurora
  • Florida: Jacksonville
  • Illinois: Chicago
  • Massachusetts: Boston, Worcester
  • Minnesota: Minneapolis
  • Missouri: St Louis
  • Nevada: Las Vegas
  • New York: The Bronx
  • Oklahoma: Oklahoma City
  • Pennsylvania: Philadelphia
  • South Carolina: Columbia
  • Texas: El Paso, Houston
  • Utah: Salt Lake City
  • Washington: Seattle, Tacoma

Frequently asked questions

What does recruiting mean?
Recruiting means the study is currently enrolling participants. Not yet recruiting means it has been registered but has not started enrolling. Enrolling by invitation means participants are selected by the study team rather than through open enrollment.
How do I join a clinical trial?
Read the full eligibility criteria and contact information on ClinicalTrials.gov, then talk with your doctor about whether a study may be right for you. The study team decides who can enroll.

Source: ClinicalTrials.gov, National Library of Medicine · Last updated 02/18/2026