Testosterone trial aims to ease opioid side effects in men

NCT ID NCT04798469

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests whether giving testosterone to men with chronic back pain who take opioids can improve their pain, sexual function, fatigue, and quality of life. The men have low testosterone caused by opioids. Half will get testosterone injections and half a placebo. The trial is currently recruiting 150 participants.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance

Testosterone (testosterone undecanoate injection)

What this could lead to

If it works, this could offer a way to ease pain and improve daily life for men on long-term opioids who have low testosterone.

What could go wrong

This is a small Phase 2 trial, so results may not hold up in larger studies. Testosterone therapy also carries risks like prostate issues and blood clots.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

eunuchism hypogonadism hypogonadism, male opioid abuse Pain

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • Brigham and Women's Hospital

    RECRUITING

    Boston, Massachusetts, 02115, United States

    Contact Phone: •••-•••-•••• Email: •••••@•••••

    Contact

    Contact

    Contact

    Contact