New combo pill approach aims to help men with Hard-to-Treat erectile dysfunction

NCT ID NCT07391579

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests whether taking a daily low-dose tadalafil plus an on-demand higher-dose sildenafil works better than on-demand sildenafil alone for men with erectile dysfunction who haven't responded to standard treatments. About 500 men will take the combo or a placebo for 12 weeks, and researchers will measure changes in erectile function and hardness scores. The goal is to find a safe, effective option for those who currently have few alternatives.

What this could mean

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

Active substance

tadalafil and sildenafil

What this could lead to

If it works, this could offer a new treatment option for men with erectile dysfunction who do not respond to standard pills alone.

What could go wrong

This is a Phase 4 trial, but it only lasts 12 weeks and focuses on a specific group of non-responders. The combination may not work for everyone and could cause side effects like headache or flushing.

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.

erectile dysfunction

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

  • Cairo University, faculty of medicine

    RECRUITING

    Cairo, Egypt

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

  • Faculty of Medicine - Assiut University

    RECRUITING

    Asyut, Egypt

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

  • Faculty of medicine, Ain Shams University

    RECRUITING

    Cairo, Egypt

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

  • Faculty of medicine, Alexandria University

    RECRUITING

    Alexandria, Egypt

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

  • Faculty of medicine, Aswan university

    RECRUITING

    Aswān, Egypt

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

  • Faculty of medicine, Azhar University

    RECRUITING

    Cairo, Egypt

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

  • Faculty of medicine, Luxor university

    RECRUITING

    Luxor, Egypt

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

  • Faculty of medicine, Tanta University

    RECRUITING

    Tanta, Egypt

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

  • Faculty of medicine, october 6 Univeristy

    RECRUITING

    Cairo, Egypt

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

  • Urology and Nephrology Center, Mansoura University

    RECRUITING

    Al Mansurah, Dakahlia Governorate, Egypt

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

    Contact

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

  • faculty of medicine, Minya University

    RECRUITING

    Minya, Egypt

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