Tisotumab Vedotin in Squamous Cell Carcinoma of the Vulva
Phase II Study Tisotumab Vedotin in Metastatic or Recurrent Squamous Cell Carcinoma of the Vulva
1 other identifier
interventional
28
1 country
1
Brief Summary
This is an open-label, single arm, phase 2 study designed to evaluate the efficacy of tisotumab vedotin in participants with recurrent or metastatic squamous cell carcinoma of the vulva by estimating the objective response rate. Patients will receive tisotumab vedotin every 3 weeks (21 days plus or minus 3 days). Treatment will continue until either unacceptable toxicity, progression of disease, or investigator/patient request for withdrawal.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for phase_2
Started Nov 2026
Typical duration for phase_2
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
June 8, 2026
CompletedFirst Posted
Study publicly available on registry
June 29, 2026
CompletedStudy Start
First participant enrolled
November 1, 2026
ExpectedPrimary Completion
Last participant's last visit for primary outcome
March 1, 2029
Study Completion
Last participant's last visit for all outcomes
December 1, 2029
June 29, 2026
June 1, 2026
2.3 years
June 8, 2026
June 22, 2026
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Overall Response Rate
Complete or partial objective tumor response as measured by CT scan, PET-CT or MRI and assessed by RECIST v. 1.1 criteria
Measured from study enrollment then every 9 weeks for the first 36 weeks and then every 12 weeks thereafter through disease progression or completion of treatment assessed up to 5 years or study closure.
Secondary Outcomes (3)
Nature and Degree of Adverse Events (Safety and Toxicity)
Measured from the time of the first dose of study treatment until 30 days after the last dose of study treatment.
Progression Free Survival
Measured from study enrollment then every 9 weeks for the first 36 weeks and then every 12 weeks thereafter until time of documented disease progression or death, whichever occurs first assessed up to 5 years or study closure.
Overall Survival
Measured from study enrollment to time of death or the date of last contact assessed up to 5 years or study closure.
Study Arms (1)
Tisotumab vedotin
EXPERIMENTALTisotumab vedotin 2.0 mg/kg IV (maximum of 200 mg for patients ≥100 kg) every 3 weeks (21 days)
Interventions
Tisotumab vedotin is an antibody-drug conjugate (ADC) directed against tissue factor (TF) and is composed of an IgG1 human monoclonal antibody chemically conjugated via a protease cleavable valine citrulline linker to the drug MMAE.
Eligibility Criteria
You may qualify if:
- Age ≥18 years, or considered an adult by local regulations, at time of consent.
- Must sign an informed consent form (ICF) indicating that they understand the purpose of and procedures required for the study and are willing to participate in the study prior to any other study-related assessments or procedures.
- Has recurrent or metastatic vulva cancer with squamous cell histology, and:
- Has not received more than 2 prior systemic therapy regimens for recurrent and/or metastatic vulva cancer. Chemotherapy administered in the adjuvant or neoadjuvant setting, or in combination with radiation therapy, should not be counted as separate systemic therapy regimen.
- Is not a candidate for curative therapy, including but not limited to radiotherapy or exenterative surgery.
- Measurable disease according to RECIST v1.1 as assessed by the investigator, defined as:
- A minimum of one non-nodal lesion ≥10 mm in the longest diameter from a nonirradiated area. If target lesion(s) are located within previously irradiated area only, the participant can be enrolled only if there has been demonstrated progression in the "in field" lesion and upon approval of the sponsor's medical monitor.
- Lymph node lesion ≥15 mm in the shortest diameter from a non-irradiated area.
- Must demonstrate acceptable screening laboratory values:
- Calculated eGFR (MDRD formula): ≥50 mL/min/1.73m\^2
- Alanine aminotransferase (ALT): ≤3× upper limit of normal (ULN) (if liver tumor/metastases are present, then ≤5×ULN is allowed)
- Aspartate aminotransferase (AST): ≤3×ULN (if liver tumor/metastases are present, then ≤5×ULN is allowed)
- Bilirubin: ≤1.5×ULN (except in participants diagnosed with Gilbert's syndrome, direct bilirubin ≤2×ULN)
- Hemoglobin: ≥5.6 mmol/L (9.0 g/dL)
- Absolute Neutrophil Count (ANC): ≥1500/μL (1.5x10\^9/L)
- +13 more criteria
You may not qualify if:
- Has clinically significant bleeding issues or risks:
- Known past or current coagulation defects leading to an increased risk of bleeding
- Diffuse alveolar hemorrhage from vasculitis
- Known bleeding diathesis
- Ongoing major bleeding (ie, participant requires a transfusion of \>2 platelet concentrates within 14 days of the first dose of study treatment)
- Trauma with increased risk of life-threatening bleeding
- History of severe head trauma or intracranial surgery within 8 weeks of study entry
- Has cardiovascular issues or risks:
- Clinically significant cardiac disease, including unstable angina or acute myocardial infarction, 6 months prior to screening
- Any medical history of congestive heart failure (grade III or IV as classified by the New York Heart Association)
- Any medical history of decreased cardiac ejection fraction of \<45%
- A marked baseline prolongation of QT/QTc interval (eg, repeated demonstration of a QTc interval \>450 msec)
- A complete left bundle branch block (defined as a QRS interval ≥120 msec in left bundle branch block form) or an incomplete left bundle branch block
- Central nervous system (CNS): any history of intracerebral arteriovenous malformation, cerebral aneurysm, or stroke (transient ischemic attack \>28 days prior to screening is allowed).
- Brain metastases are allowed if the following criteria are met: definitive therapy (eg, surgery or stereotactic brain radiotherapy) has been completed \>8 weeks before the first dose of study treatment; no evidence of clinical or radiologic progression of the brain metastases; participant has completed perioperative corticosteroid therapy or steroid taper. NOTE: Chronic steroid therapy is acceptable provided that the dose is stable for 28 days prior to study enrollment.
- +19 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- GOG Foundationlead
- Pfizercollaborator
Study Sites (1)
Atrium Health Levine Cancer Center
Charlotte, North Carolina, 28204, United States
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Study Officials
- STUDY CHAIR
Yovanni Casablanca, MD
Atrium Levine Cancer - Carolinas Medical Center
- STUDY CHAIR
Brian Slomovitz, MD
GOG Foundation
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- NA
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- NETWORK
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
June 8, 2026
First Posted
June 29, 2026
Study Start (Estimated)
November 1, 2026
Primary Completion (Estimated)
March 1, 2029
Study Completion (Estimated)
December 1, 2029
Last Updated
June 29, 2026
Record last verified: 2026-06