Experimental combo for advanced tumors hits early hurdle
NCT ID NCT03968653
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This early-phase study tested an oral drug called Debio 0123 combined with the chemotherapy carboplatin in 76 people with advanced solid tumors that had stopped responding to prior platinum-based treatments. The main goals were to find a safe dose and check for side effects. The trial was terminated early, so full results are not available.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Debio 0123 (oral capsule) and carboplatin (IV infusion)
- What this could lead to
- If successful, this could point toward a new combination treatment for advanced solid tumors that have stopped responding to standard therapies.
- What could go wrong
- This was a very early (phase 1) trial that was terminated, so results are limited. The combination may cause significant side effects and may not shrink tumors effectively.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 1
The first testing in people. Mainly checks safety and dose, usually in a small group.
- Participants
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76 people
The number who actually took part.
- Started
-
Jul 2019
- Finished
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Oct 2025
- Lead sponsor
-
A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
-
18 years and older
- Sex
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Anyone
- Healthy volunteers
-
Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: Dose Escalation: * Histologically or cytologically confirmed locally advanced or metastatic solid and nonbleeding tumors that had recurred or progressed following standard therapy, has not responded to standard therapy or for which no standard therapy of proven benefit is available * Able and willing to undergo tumor biopsy * Prior platinum-based therapy (carboplatin or cisplatin). * Life expectancy of at least 3 months * ECOG PS 0-1 Dose Expansion: * Histologically or cytologically confirmed, recurrent solid tumors of selected types. * Participants must have progressed after at least 1 prior platinum-based line of therapy for advanced/metastatic disease. * Participants must be platinum resistant (defined as progression within 6 months of completion of their most recent platinum-based chemotherapy). Prior poly (ADP-ribose) polymerase (PARP) inhibitor therapy is allowed. Platinum-based therapy does not need to be the last treatment prior to study entry. * Measurable disease per Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1 * Documented progressive or recurrent disease according to RECIST 1.1 since the last anti-cancer therapy and prior to study entry * Able and willing to undergo tumor biopsy * ECOG PS 0-1 * Life expectancy of at least 3 months Exclusion Criteria: Dose Escalation and Dose Expansion: * History of other malignancies requiring active treatment in the last 6 months * Brain tumors and/or symptomatic brain metastases * Receiving other investigating agents * Presence of significant cardiovascular disease or other co-morbidities such as symptomatic ascites * Prior exposure to any WEE1 inhibitor
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Clinica Universidad de Navarra
Madrid, 28027, Spain
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Clinica Universidad de Navarra - Pamplona
Pamplona, 31008, Spain
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Hospital Universitario Virgen de la Victoria
Málaga, 29010, Spain
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Hospital Vall Hebrón, Unidad de Investigación en Terapia Molecular (UITM)
Barcelona, 08035, Spain
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Instituto Valenciano de Oncologia
Valencia, 46009, Spain
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Leiden University Medical Center, Dept. of Clinical Oncology
Leiden, 2333, Netherlands
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Radboud university medical center
Nijmegen, 6525, Netherlands
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University Medical Center Groningen
Groningen, 9713, Netherlands
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