NCT07743164 · Merck Sharp & Dohme LLC
A Clinical Trial of Raludotatug Deruxtecan (R-DXd) With or Without Bevacizumab in Participants With Ovarian Cancer Who Have Progressed During Treatment With PARP-inhibitors Treatment on First Line Maintenance (MK-5909-008/ENGOT-ov107/GOG-3142 / REJOICE-Ovarian05)
What this study is about
Researchers are looking for new ways to treat advanced, high-grade ovarian cancer (OC). Advanced means the cancer has spread to other parts of the body (metastatic) and may not be removed with surgery. High-grade means the cancer cells grow and spread quickly. This trial includes types of OC that started in cells that cover the ovaries, in the lining of the belly, or in the fallopian tubes.
View original scientific description
Researchers are looking for new ways to treat advanced, high-grade ovarian cancer (OC). Advanced means the cancer has spread to other parts of the body (metastatic) and may not be removed with surgery. High-grade means the cancer cells grow and spread quickly. This trial includes types of OC that started in cells that cover the ovaries, in the lining of the belly, or in the fallopian tubes. The usual treatment for high-grade OC may include one or both of these: * Chemotherapy, which is a treatment that uses medicine to destroy cancer cells or stop them from growing. * Bevacizumab, which is a targeted therapy that works to control how specific types of cancer cells grow and spread and targets tumor blood vessels. Researchers want to learn about the trial medicine, raludotatug deruxtecan (also called R-DXd or MK-5909), when given with and without bevacizumab and how participants respond to it. R-DXd is an antibody drug conjugate (ADC). An ADC is a type of medicine that attaches to a specific target on cancer cells and delivers treatment to destroy those cells. The goals of this trial are to learn if participants who receive R-DXd, with or without bevacizumab, live longer overall and without their cancer growing or spreading compared to those who receive usual treatment.
Interventions
BIOLOGICAL
R-DXd
R-DXd alone or in combination with bevacizumab administered via IV infusion
DRUG
Bevacizumab
Bevacizumab 10 or 15 mg/kg administered via IV infusion on day 1 q3w
DRUG
Carboplatin
Carboplatin area under the curve (AUC) 5 mg/mL\*min or AUC 4 mg/mL\*min administered on day 1 q3w for a maximum of 8 cycles
DRUG
Paclitaxel
Paclitaxel 175 mg/m\^2 administered via IV infusion on day 1 q3w for a maximum of 8 cycles
DRUG
Gemcitabine
Gemcitabine 1000 mg/mL administered via IV infusion on day 1 and day 8 of each 3-week cycle for a maximum of 8 cycles
DRUG
Pegylated liposomal doxorubicin (PLD)
PLD 30 mg/m\^2 administered via IV infusion on day 1 of each 4-week cycles for a maximum of 8 cycles
Primary outcome measures
Progression-free Survival (PFS)
Time frame: Up to approximately 3 years
PFS is defined as the time from randomization to the first documented disease progression per Response Criteria in Solid Tumors Version 1.1 (RECIST 1.1) or death due to any cause, whichever occurs first. Disease progression is defined as ≥20% increase in the sum of diameters of target lesions. In addition to the relative increase of 20%, the sum must also demonstrate an absolute increase of ≥5 mm. The appearance of one or more new lesions is also considered disease progression. PFS as assessed by blinded independent central review (BICR) will be presented.
Overall Survival (OS)
Time frame: Up to approximately 4 years
OS is defined as the time from randomization to death due to any cause.
Who can participate
This study lists these criteria on ClinicalTrials.gov. A study coordinator reviews eligibility during screening — this page does not determine whether you qualify.
Inclusion criteria
- include but are not limited to the following:
- Has a histologically or cytologically documented advanced high-grade serous or high-grade endometrioid epithelial ovarian, primary peritoneal, or fallopian tube cancer.
- Has received 1 line of platinum-based therapy with a minimum of 4 cycles of platinum-doublet chemotherapy and have platinum-sensitive disease.
- Has received a poly (ADP-ribose) polymerase inhibitor (PARPi) as maintenance treatment after the first line platinum-based chemotherapy course and experienced radiographic progression during treatment or within 42 days of the last dose of PARPi.
- Has an Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1 assessed within 7 days before randomization.
- Has recovered from any AEs due to previous anticancer therapies. The main
Exclusion criteria
- include but are not limited to the following:
- Has clear cell, mucinous, or sarcomatous histology, mixed tumors containing any histology, or low-grade/borderline ovarian cancer.
- Has a history of thrombotic disorders, hemorrhage, hemoptysis, or active GI bleeding within 6 months before randomization.
- Has uncontrolled or significant cardiovascular disease.
- Has clinically severe pulmonary compromise resulting from intercurrent pulmonary illnesses including, but not limited to, any underlying pulmonary disorder (ie, pulmonary emboli within 3 months of randomization, severe asthma, severe chronic obstructive pulmonary disease \[COPD\], restrictive lung disease, pleural effusion) and any autoimmune, connective tissue, or inflammatory disorders with potential pulmonary involvement (eg, rheumatoid arthritis, Sjogren's syndrome, sarcoidosis), or prior pneumonectomy.
- Has received chronic steroid treatment, with some exceptions.
- Has current, clinically relevant bowel obstruction (including subocclusive disease) including obstruction related to underlying epithelial ovarian cancer, abdominal fistula or GI perforation, intra-abdominal abscess, or evidence of rectosigmoid involvement by pelvic exam.
- Has known additional malignancy that is progressing or has required active treatment within the past 3 years.
Where
- Fountain Valley, California
- Orlando, Florida
Collaborators
Daiichi Sankyo
Related conditions & keywords
Frequently asked questions
What is a clinical trial?
A clinical trial is a research study that tests new medical treatments, drugs, devices, or procedures to determine their safety and effectiveness. Trials are carefully designed and monitored to protect participants while advancing medical knowledge.
Is it safe to participate?
Clinical trials follow strict safety guidelines and ethical standards. Trials must be reviewed and approved, and participants are closely monitored by medical professionals throughout the study. You can withdraw at any time if you choose.
Will I be compensated?
Many clinical trials offer compensation for your time, travel expenses, and inconvenience. The specific compensation varies by study and will be discussed during the screening process. All study-related medical care is typically provided at no cost to participants.
Will I receive a placebo instead of treatment?
When effective treatment exists, participants typically receive either the standard treatment plus the study intervention, or the standard treatment plus placebo. You would not be denied effective care. Placebos are primarily used when no proven treatment is available, or in addition to standard care. Your trial consent form will clearly explain what treatments you may receive.
Can I leave a trial if I change my mind?
Absolutely. Participation in clinical trials is completely voluntary. You have the right to withdraw from the study at any time, for any reason, without penalty or loss of benefits to which you are otherwise entitled.
How long does a clinical trial last?
Trial duration varies widely depending on the study design and purpose. Some trials last just a few weeks, while others may continue for months or years. The study coordinator will provide specific timeline information during your screening call.
Data: ClinicalTrials.gov · synced Oct 16, 2026 · Source of record for eligibility and locations