Could testosterone shots keep prostate cancer at bay?

NCT ID NCT06594926

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This phase 2 trial tests whether giving testosterone injections (bipolar androgen therapy) can delay the time it takes for prostate cancer to spread in men whose cancer is progressing despite standard treatment. About 69 men with non-metastatic castrate-resistant prostate cancer will receive testosterone every 8 weeks along with their usual darolutamide. The goal is to see if this approach extends metastasis-free survival.

What this could mean

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

Active substance

testosterone enanthate (a form of testosterone)

What this could lead to

If successful, this could offer a new way to delay cancer spread in men with prostate cancer that is resistant to standard hormone therapy.

What could go wrong

This is a small, early-phase trial with only 69 participants, so results may not apply broadly. Testosterone therapy can also cause side effects like increased PSA or tumor growth in some cases.

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.

castration-resistant prostate carcinoma prostate cancer

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: •••••@•••••

  • Contact

    Email: •••••@•••••

Locations

  • Cabrini Health

    RECRUITING

    Malvern, Victoria, 3144, Australia

    Contact

    Contact Email: •••••@•••••

  • Eastern Health - Box Hill

    RECRUITING

    Box Hill, Victoria, 3128, Australia

    Contact

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

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

  • GenesisCare North Shore

    RECRUITING

    St Leonards, New South Wales, 2065, Australia

    Contact

    Contact Email: •••••@•••••

  • Grampians Health

    RECRUITING

    Ballarat, Victoria, 3350, Australia

    Contact Email: •••••@•••••

    Contact

  • ICON Cancer Centre

    RECRUITING

    Chermside, Queensland, 4032, Australia

    Contact

    Contact Email: •••••@•••••

  • Mater Misericordiae Ltd - QLD

    RECRUITING

    South Brisbane, Queensland, 4101, Australia

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

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

    Contact

  • Northeast Health Wangaratta

    RECRUITING

    Wangaratta, Victoria, 3677, Australia

    Contact

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

  • Royal Adelaide Hospital

    RECRUITING

    Adelaide, South Australia, 5000, Australia

    Contact Email: •••••@•••••

    Contact

  • St Vincents Hospital

    RECRUITING

    Darlinghurst, New South Wales, 2010, Australia

    Contact Email: •••••@•••••

    Contact

    Contact

  • Sydney Adventist Hospital

    RECRUITING

    Wahroonga, New South Wales, 2076, Australia

    Contact

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

  • The Border Cancer Hospital

    TERMINATED

    Albury, New South Wales, 2640, Australia

  • The Canberra Hospital

    RECRUITING

    Garran, Australian Capital Territory, 2605, Australia

    Contact

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

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