New drug combo shows promise for Hard-to-Treat ovarian cancer
NCT ID NCT04606914
First seen Jun 26, 2026 · Last updated Jul 15, 2026 · Updated 2 times
Summary
This phase 2 trial is testing a combination of the targeted drug mirvetuximab soravtansine and the chemotherapy carboplatin as a first treatment for women with advanced ovarian, fallopian tube, or primary peritoneal cancer that has a specific marker (folate receptor alpha). About 70 participants will receive the drugs before and after surgery to remove visible tumors. The goal is to see if this approach improves how long the cancer stays under control.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- mirvetuximab soravtansine (a targeted drug that delivers chemotherapy to cancer cells with a specific marker) combined with carboplatin (a standard chemotherapy)
- What this could lead to
- If successful, this could offer a more effective first-line treatment option for women with advanced ovarian cancer that has a specific marker (folate receptor alpha).
- What could go wrong
- This is a small, early-phase (phase 2) study with only 70 participants, so results may not apply to all patients. The drug combination may cause side effects, and it is not yet known if it improves survival compared to standard care.
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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About 70 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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May 2021
- Expected to finish
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May 2028
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
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: * Patients must have biopsy-confirmed high grade serous epithelial ovarian cancer. * Patients must present with stage III or IV disease and be appropriate to receive neoadjuvant chemotherapy * Patients must be willing to provide an archival tumor tissue block or slides, or undergo procedure to obtain a new biopsy using a low-risk, medically routine procedure for immunohistochemistry (IHC) confirmation of FRα positivity * Patients must have a performance status of 0 or 1. * Patient's tumor must be positive for FRα expression as defined by a score of PS2+ intensity in \>75% of cells * Patients must have adequate hematologic, liver and kidney functions defined as: * Absolute neutrophil count (ANC) ≥ 1.5 x 109/L (1,500/μL) * Platelet count ≥ 100 x 109/L (100,000/μL) without platelet transfusion in the prior 10 days * Hemoglobin ≥ 9.0 g/dL * Serum creatinine ≤ 1.5 x upper limit of normal (ULN) * Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) ≤ 3.0 x ULN * Serum bilirubin ≤ 1.5 x ULN (patients with documented diagnosis of Gilbert syndrome are eligible if total bilirubin \< 3.0 x ULN) * Serum albumin ≥ 2 g/dL * Patients must be willing and able to sign the informed consent form (ICF) and to adhere to the protocol requirements * Women of childbearing potential (WCBP) must agree to use highly effective contraceptive method(s) (as defined in Section 5.8.6 while on MIRV and for at least 4 months after the last dose * WCBP must have a negative pregnancy test within the 4 days prior to the first dose of MIRV Exclusion Criteria: * Patients who have previously been treated with a systemic anti-cancer therapy * Patients with low-grade serous, endometrioid, clear cell, or mucinous histology * Patients with active or chronic corneal disorders, history of corneal transplantation, or active ocular conditions requiring ongoing treatment/monitoring, such as uncontrolled glaucoma, wet age-related macular degeneration requiring intravitreal injections, active diabetic retinopathy with macular edema, macular degeneration, presence of papilledema, and /or monocular vision * Patients with serious concurrent illness or clinically relevant active infection, including, but not limited to the following: * History of hepatitis B or C infection (whether or not on active antiviral therapy) * History of human immunodeficiency virus (HIV) infection * Any other concurrent infectious disease requiring IV antibiotics within 2 weeks prior to the first dose of MIRV * Patients with a history of multiple sclerosis (MS) or other demyelinating disease and/or Lambert-Eaton syndrome (paraneoplastic syndrome) * Patients with clinically significant cardiac disease including, but not limited to, any of the following: * Myocardial infarction ≤ 6 months prior to first dose * Unstable angina pectoris * Uncontrolled congestive heart failure (New York Heart Association \> class II) * Uncontrolled ≥ Grade 3 hypertension (per CTCAE) * Uncontrolled cardiac arrhythmias * Patients with a history of hemorrhagic or ischemic stroke within 6 months prior to enrollment * Patients with a history of cirrhotic liver disease (Child-Pugh Class B or C) * Patients with a previous clinical diagnosis of noninfectious interstitial lung disease (ILD), including noninfectious pneumonitis * Patients requiring use of folate-containing supplements (eg, folate deficiency) * Patients with prior hypersensitivity to monoclonal antibodies (mAb) * Women who are pregnant or breastfeeding * Patients who received prior treatment with MIRV or other FRα-targeting agents * Patients with untreated or symptomatic central nervous system (CNS) metastases * Patients with a history of other malignancy within 3 years prior to enrollment Note: patients with tumors with a negligible risk for metastasis or death (eg, adequately controlled basal-cell carcinoma or squamous-cell carcinoma of the skin, or carcinoma in situ of the cervix or breast) are eligible
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
9 sites. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Allegheny Health Network
RECRUITINGPittsburgh, Pennsylvania, 15224, United States
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Mayo Clinic
RECRUITINGRochester, Minnesota, 55905, United States
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Ohio State University
RECRUITINGColumbus, Ohio, 43026, United States
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University of Alabama at Birmingham Womens & Infants Center
RECRUITINGBirmingham, Alabama, 35233, United States
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University of California San Francisco
RECRUITINGSan Francisco, California, 94158, United States
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University of Minnesota - Masonic Cancer Center
RECRUITINGMinneapolis, Minnesota, 55455, United States
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University of Mississippi Medical Center
RECRUITINGOxford, Mississippi, 36607, United States
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University of Oklahoma
RECRUITINGOklahoma City, Oklahoma, 73104, United States
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University of Virginia
RECRUITINGRichmond, Virginia, 23219, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- 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
- Can inhaled manganese make ovarian cancer immunotherapy hit harder?
- Can a pill shrink Hard-to-Treat ovarian tumors?
- New antibody aims to preserve immune checkpoint while fighting cancer