Could a sugar alcohol replace the standard colonoscopy prep?

NCT ID NCT04759885

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

Summary

This study tests mannitol, a sugar alcohol, as a bowel preparation for colonoscopy in 886 adults. It first finds the best dose, then compares it to the standard split-dose PEG solution. The goal is to see if mannitol cleans the bowel just as well and is safe.

What this could mean

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

Active substance

mannitol

What this could lead to

If it works, mannitol could offer a simpler, single-dose bowel preparation option for colonoscopy.

What could go wrong

This is an early-phase dose-finding study, so the best dose is still uncertain. Mannitol may not be as effective as the standard split-dose PEG solution.

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.

Mucopolysaccharidosis IV

As listed by the trial registrant

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

More trials for these conditions

Other studies related to the condition(s) this trial covers.

Contacts and locations

Locations

  • ASSL Carbonia - Presidio Ospedaliero CTO di Iglesias

    Iglesias, CI, Italy

  • ASST Grande Ospedale Metropolitano Niguarda

    Milan, MI, 20162, Italy

  • ASST Rhodense - Presidi di Rho e Garbagnate

    Garbagnate Milanese, MI, 20024, Italy

  • ASST Sette Laghi - Ospedale di Circolo e Fondazione Macchi

    Varese, 21100, Italy

  • Azienda Ospedaliero Universitaria Pisana- Ospedale Cisanello

    Pisa, PI, 56124, Italy

  • Azienda Ospedaliero-Universitaria Maggiore della Carità

    Novara, 28100, Italy

  • Azienda USL di Modena - Ospedale Ramazzini di Carpi

    Carpi, MO, 41012, Italy

  • Centre Hospitalier Henri Duffaut

    Avignon, France

  • Centre Hospitalier Universitaire de Montpellier

    Montpellier, France

  • Centro di Riferimento Oncologico IRCCS

    Aviano, PN, 33081, Italy

  • Clinical Hospital of Russian Railways N.A. Semashko

    Moscow, Russia

  • Fondazione Casa Sollievo Della Sofferenza

    San Giovanni Rotondo, FG, 71013, Italy

  • Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico di Milano

    Milan, MI, 20122, Italy

  • Fondazione Poliambulanza - Istituto Ospedaliero

    Brescia, BR, 25124, Italy

  • Hospices civils de Lyon

    Lyon, France

  • Hôpital Edouard Herriot

    Lyon, France

  • IRCCS "Saverio De Bellis"

    Castellana Grotte, BA, 70013, Italy

  • IRCCS Ospedale San Raffaele

    Milan, MI, Italy

  • IRCCS Policlinico San Donato

    San Donato Milanese, MI, 20097, Italy

  • Irkutsk State Medical Academy of Postgraduate Education

    Irkutsk, Russia

  • Istituto Europeo di Oncologia

    Milan, MI, Italy

  • Katholisches Klinikum Mainz

    Mainz, Germany

  • Klinikum Worms Medizinische Klinik II

    Worms, Germany

  • Klinikum der Stadt Ludwigshafen

    Ludwigshafen, Germany

  • Medical Center of Diagnostics and Prevention

    Yaroslavl, Russia

  • Moscow Clinical Research and Practical Center of the Department of Health

    Moscow, Russia

  • Ospedale Sacro Cuore

    Negrar, VR, 37024, Italy

  • Ospedale Valduce

    Como, CO, Italy

  • Policlinico Universitario A. Gemelli

    Roma, RO, 00168, Italy

  • Praxis für Gastroenterologie und Fachärztliche Innere Medizin, Im Haus der Gesundheit

    Ludwigshafen am Rhein, Germany

  • Presidio Ospedaliero Santa Chiara

    Trento, TN, 38100, Italy

  • Private educational organization of higher education "Medical University "Reaviz"

    Samara, Russia

  • Railway Clinical Hospital

    Rostov-on-Don, Russia

  • Regional Oncological Clinical Hospital

    Yaroslavl, Russia

  • State Central Clinical Hospital A. N. Ryzhykh

    Moscow, Russia