New drug cocktail aims to outsmart resistant ovarian cancer
NCT ID NCT06433219
First seen Jun 25, 2026 · Last updated Sep 15, 2026 · Updated 3 times
Summary
This Phase 2 trial tests two experimental drug combinations in 63 women with a specific type of ovarian cancer (BRCA-mutant or HRD-positive) that has worsened after prior PARP inhibitor treatment. Participants receive either tuvusertib plus niraparib or tuvusertib plus lartesertib, all taken orally. The study measures whether tumors shrink or stop growing, and monitors safety.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- tuvusertib, niraparib, lartesertib
- What this could lead to
- If successful, this could offer a new treatment option for women with BRCA-mutant ovarian cancer whose disease has worsened despite prior PARP inhibitor therapy.
- What could go wrong
- This is an early Phase 2 trial with only 63 participants, so results may not apply to all patients. The drug combinations may cause side effects or fail to shrink tumors.
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 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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63 people
The number who actually took part.
- Started
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Oct 2024
- Finished
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Aug 2026
- Lead sponsor
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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
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18 years and older
- Sex
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Female participants only
- Healthy volunteers
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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: * Histologically or cytologically confirmed high grade serous or high grade endometrioid ovarian, primary peritoneal, and/or fallopian tube cancer that is recurrent. * Participants whose tumor carries germline or somatic deleterious or suspected deleterious mutations in the genes BRCA1 (Breast Cancer gene 1) and BRCA2 (Breast Cancer gene 2), and/or tumors with positive HRD status. The presence of any of these mutations and/or the homologous recombination deficiency (HRD) status will be determined according to routinely used local standard of care tests. Results must be available before screening. * Radiologically confirmed/documented disease progression while on Poly (ADP-ribose) polymerase (PARP) inhibitors therapy in either first or second-line maintenance setting (only 1 line of PARPi maintenance is allowed with or without bevacizumab). Note: Documentation of disease progression must be within 28 days of last PARPi dose taken. Surgical salvage intervention and/or focal ablative therapies are allowed, (further disease progression after these interventions must be documented), AND Clinically benefited from PARPi maintenance prior to documented progression, as defined by at least 6 months of treatment duration with no progressive disease observed, AND either, Progression on first-line maintenance PARPi: Participants are allowed maximum 1 additional line of platinum-based chemotherapy before study entry. (note: treatment-free interval on platinum rechallenge must be \>6 months, with documented disease progression prior to study entry). OR Progression on second-line maintenance PARPi: Participants are not allowed any additional systemic anticancer treatments before study entry (that is PARPi is the last treatment before study entry) * Intolerant to standard of care treatment options or refused standard of care treatment or the participant's treating physician considers that the lack of standard of care treatment is not detrimental for the participant. * Measurable disease per RECIST v1.1, as assessed by Investigator. * Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1 and a life expectancy of at least 6 months. * Other Protocol defined inclusion criteria could apply. Exclusion Criteria: * Primary platinum-refractory disease defined as disease progression during primary platinum-based chemotherapy or platinum-resistant disease defined as disease progression within 6 months of the platinum administration in either the first or second-line setting. * History of additional malignancy within 3 years before the date of enrollment. * Known brain metastases, unless clinically stable, that is without evidence of progression by imaging for at least 4 weeks prior to the first dose of study intervention, no evidence of new brain metastases, and on a stable or decreasing dose of ≤ 10 mg of prednisone (or equivalent) or without corticosteroids for at least 14 days prior to study intervention administration. * Active and/or uncontrolled infection. * History of known hypersensitivity to the active substances or to any excipients (e.g. polysorbate 80) of the study interventions. * Organ transplantation, including allogenic stem cell transplant. * Patients with history of drug-induced severe cutaneous adverse reaction (SCAR; including but not limited to Stevens-Johnson syndrome/toxic epidermal necrolysis \[SJS/TEN\], or drug reaction with eosinophilia and systemic symptoms \[DRESS\]), or dose-limiting immune-mediated reactions related to skin. * Other Protocol defined exclusion criteria could apply.
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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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Addenbrooke's Hospital - Dept of Oncology
Cambridge, United Kingdom
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Azienda Ospedaliera Universitaria Policlinico Sant'Orsola Malpighi IRCCS - Oncologia Medica
Bologna, Italy
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Azienda Ospedaliero-Universitaria Renato Dulbecco - Centro Oncologico
Catanzaro, Italy
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Beatson West of Scotland Cancer Centre - Dept of Medical Oncology
Glasgow, United Kingdom
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Caritas-Krankenhaus St. Josef - Klinik fuer Chirurgie
Regensburg, Germany
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Catharina Ziekenhuis Eindhoven - Parent
Eindhoven, Netherlands
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Centre Francois Baclesse - Service d'Oncologie Medicale
Caen, France
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Centre Hospitalier Lyon Sud - service d'oncologie medicale
Pierre-Bénite, France
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Centre Leon Berard - Service d'Oncologie Medicale
Lyon, France
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Centre Oscar Lambret - service de cancerologie gynecologique
Lille, France
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Centre de Radiotherapie Clinique Sainte Anne - 300207251
Strasbourg, France
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Centricity Research Cancer Center - DBA CRRI John B. Amos Cancer Center Research
Columbus, Georgia, 31904, United States
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Centrum Onkologii im. Prof. F. Lukaszczyka w Bydgoszczy - Dept of Chemotherapy
Bydgoszcz, Poland
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Chaim Sheba Medical Center
Ramat Gan, Israel
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Charité - Campus Virchow-Klinikum - Klinik fuer Gynaekologie
Berlin, Germany
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Chris O'Brien Lifehouse
Camperdown, Australia
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Clinica Universidad de Navarra (MAD) - Oncology Service
Madrid, Spain
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Cliniques Universitaires Saint-Luc - STL
Brussels, Belgium
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Europejskie Centrum Zdrowia - Oddzial Onkologii
Otwock, Poland
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Fondazione Policlinico Universitario Agostino Gemelli IRCCS - UOC Ostetricia e ginecologia
Rome, Italy
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Groupe Hospitalier Diaconesses - Hôpital De La Croix Saint Simon - service d'oncologie medicale
Paris, France
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Guy's Hospital - Dept of Medical Oncology
London, United Kingdom
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Hadassah University Hospital - Ein Kerem
Jerusalem, Israel
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Hopital Tenon - service d'oncologie medicale
Paris, France
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Hospital Clinic de Barcelona - Servicio de Oncologia
Barcelona, Spain
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Hospital Regional Universitario de Malaga - Oncology Dept
Málaga, Spain
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Hospital Universitari Vall d'Hebron - Oncology Dept.
Barcelona, Spain
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Hospital Universitario 12 de Octubre - Servicio de Oncologia
Madrid, Spain
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Hospital Universitario Ramon y Cajal - Servicio de Oncologia
Madrid, Spain
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Hôpital Cochin - Hematologie et Oncologie Médicale
Paris, France
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Hôpital Européen Georges Pompidou - Hématologie Oncologie
Paris, France
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Hôpital Saint Joseph - Paris - Service d'Oncologie-Cancerologie
Paris, France
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ICO - Site Paul Papin - service d'oncologie medicale
Angers, France
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ICO Badalona - Hospital Universitari Germans Trias i Pujol - Servicio de Oncologia Medica
Badalona, Spain
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ICO Girona - Hospital Universitari de Girona Dr Josep Trueta - Servicio de Oncologia Medica
Girona, Spain
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IEO Istituto Europeo di Oncologia - Unità Ginecologia Oncologica Medica
Milan, Italy
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IOV - Istituto Oncologico Veneto IRCCS - Radiologia Oncologica
Padova, Italy
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IRCCS Azienda Ospedaliero Universitaria di Bologna Policlinico di Sant Orsola - SSD Oncologia Medica Zamagni
Bologna, Italy
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Icahn School of Medicine at Mount Sinai PRIME - Mount Sinai - PRIME
New York, New York, 10029, United States
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Institut Gustave Roussy - Oncologie Médicale
Villejuif, France
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Institut de Cancérologie de Strasbourg Europe - ICANS - Service d'oncologie médicale
Strasbourg, France
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Instytut MSF Sp.z.o.o
Lodz, Poland
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Istituto Clinico Humanitas - U.O. di Oncologia Medica ed Ematologia
Milan, Italy
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Istituto Nazionale Tumori Fondazione G. Pascale - Gynecology
Naples, Italy
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Istituto Nazionale Tumori Regina Elena IRCCS - UOC Oncologia Medica A
Roma, Italy
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Istituto Oncologico della Svizzera Italiana (IOSI)- Ente Ospedaliero Cantonale (EOC) - Ospedale S.Giovann
Bellinzona, Switzerland
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Jagiellonskie Centrum Innowacji Sp. z o.o. - Centrum Bada
Krakow, Poland
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Kantonsspital Baselland - standort Liestal - Klinik fuer Onkologie
Liestal, Switzerland
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Kantonsspital Frauenfeld - 150509250
Frauenfeld, Switzerland
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Kantonsspital St. Gallen - Klinik fuer Med. Onkologie/Haematologie
Sankt Gallen, Switzerland
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Kliniken Essen-Mitte - Gynaekologie und Gynaekologische Onkologie
Essen, Germany
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Liverpool Hospital - PARENT
Liverpool, Australia
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MICS Centrum Medyczne Torun - Medicovernn
Torun, Poland
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Memorial Sloan Kettering Cancer Center
New York, New York, 10021, United States
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Mount Vernon Hospital - Dept of Oncology
Northwood, United Kingdom
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Next Oncology - Virginia
Fairfax, Virginia, 22031, United States
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Osp Cannizzaro Catania
Catania, Italy
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Rambam Medical Center
Haifa, Israel
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Rigshospitalet
Copenhagen, Denmark
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Royal Marsden Hospital-London - Dept of Haematology/Oncology Research
London, United Kingdom
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Royal Marsden Hospital-Sutton - Dept of Oncology (Surrey)
Sutton, United Kingdom
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Royal Surrey County Hospital - Dept of Oncology
Guildford, United Kingdom
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Shaare Zedek
Jerusalem, Israel
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Sjaellands Universitetshospital - other
Odense, Denmark
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St George Private Hospital
Kogarah, Australia
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St James's University Hospital - Dept of Oncology
Leeds, United Kingdom
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Szpitale Pomorskie spó
Gdynia, Poland
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The Christie Hospital - Dept of Oncology
Manchester, United Kingdom
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The Lady Davis Carmel Medical Center
Haifa, Israel
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UZ Leuven
Leuven, Belgium
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Universitaetsklinikum Bonn AoeR - Frauenklinik
Bonn, Germany
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Universitaetsklinikum Carl Gustav Carus TU Dresden - Klinik u. Poliklinik f. Frauenheilkunde
Dresden, Germany
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Universitaetsklinikum Leipzig AoeR - Klinik und Poliklinik fuer Frauenheilkunde
Leipzig, Germany
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Universitaetsklinikum Muenster - Parent
Münster, Germany
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Universitaetsklinikum Tuebingen - Parent
Tübingen, Germany
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Universitaetsspital Zuerich - Klinik fuer Gynaekologie
Zurich, Switzerland
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University College London Hospitals - NIHR/Wellcome Trust
London, United Kingdom
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University of Arkansas for Medical Sciences
Little Rock, Arkansas, 72205, United States
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University of California San Francisco - UCSF Medical Center
San Francisco, California, 94158, United States
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University of Chicago Comprehensive Cancer Center at Silver Cross - Carolyn J. Czerkies Pavilion
Chicago, Illinois, 60637, United States
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University of Michigan Rogel Cancer Center
Ann Arbor, Michigan, 48109, United States
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Universitätsklinikum Münster - Gynecology
Münster, Germany
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Virginia Cancer Specialists, PC
Fairfax, Virginia, 22031, United States
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Ålborg Universitets Hospital - PARENT
Aalborg, Denmark
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can MRI and computer models predict how well cancer drugs reach tumors?
- Can a Patient's own immune cells fight ovarian cancer?
- Ovarian Cancer's spread: scientists probe abdominal fluid for clues
- New PET tracer aims to light up hidden cancer targets
- Mapping the DNA test that decides who gets PARP inhibitors
- Cervical smear DNA may reveal ovarian cancer years before symptoms