Clinical trial for Endometrial Cancer
Official title A Clinical Study of the Anti-cancer Effects of an Investigational Therapy or Chemotherapy in Patients With Recurring Uterine Cancer
ClinicalTrials.gov ID: NCT06340568
What this study is testing
What is BNT323/DB-1303?
an investigational IV infusion being studied as a potential treatment for recurrent endometrial cancer is designed to bind HER2 on cancer cells and deliver a cytotoxic payload to help kill the cells
Also referred to as trastuzumab pamirtecan.
Plain-language explanation of the investigational treatment. It is being studied and is not an approved or proven therapy. The study team can confirm the details.
- What it's testing
- The study wants to see if BNT323 or standard chemotherapy can stop cancer from growing in patients who have already tried immune‑based treatments. It also looks at how many patients’ tumors shrink and checks for side effects, drug levels, immune changes, and quality of life.
- Who it's for
- Women who have uterine cancer that has come back after previous treatments, and whose tumors have a certain level of HER2 protein.
- What's involved
- Participants may receive the new drug BNT323 or a chemotherapy drug (doxorubicin or paclitaxel, or docetaxel if paclitaxel cannot be used). They will have regular visits for treatment, blood tests, scans, and questionnaires to monitor tumor response and side effects.
- Time commitment
- The study lasts until the patient’s cancer progresses or they stop treatment, with visits every few weeks for treatment and monitoring.
- Phase 3: a large, late-stage study
- Which group you join is decided by chance.
A plain-language read of the study's public ClinicalTrials.gov listing. The study team confirms the details.
Who can take part
Ages 18 and older, women only
You may be able to join if
- Are female adults (defined as ≥18 years of age or acceptable age according to local regulations at the time of voluntarily giving informed consent).
- Is recurrent,
- Has a HER2 IHC score of 1+, 2+ (Cohort 1), or 3+ (Cohort 2) as determined by central laboratory testing for HER2 expression, and
- Is not defined as a true sarcoma (i.e., leiomyosarcoma or endometrial stromal sarcoma). Note: Uterine carcinosarcoma is allowed.
- Have measurable disease defined by RECIST v1.1.
You likely can't join if
- Are ineligible for all options in the investigator's choice of chemotherapy arm, per local prescribing information and institutional guidelines...
- Have a history of small bowel obstruction requiring hospitalization within the past 3 months prior the first dose of study treatment.
- Have an uncontrolled intercurrent illness that would limit compliance with study requirement or substantially increase risk of incurring adverse...
- Have clinically uncontrolled pleural effusion, ascites or pericardial effusion requiring drainage, or peritoneal shunt within 2 weeks prior to the...
- Have a history of (non-infectious) interstitial lung disease (ILD)/pneumonitis that required steroids, have current ILD/pneumonitis, or where...
- Participants with prior use of immunosuppressive medication within 14 days prior to the first dose of study treatment, except for intranasal and...
See the full eligibility criteria
- Are female adults (defined as ≥18 years of age or acceptable age according to local regulations at the time of voluntarily giving informed consent).
- Is recurrent,
- Has a HER2 IHC score of 1+, 2+ (Cohort 1), or 3+ (Cohort 2) as determined by central laboratory testing for HER2 expression, and
- Is not defined as a true sarcoma (i.e., leiomyosarcoma or endometrial stromal sarcoma). Note: Uterine carcinosarcoma is allowed.
- Have measurable disease defined by RECIST v1.1.
- Have Eastern Cooperative Oncology Group (ECOG) Performance Status of 0, 1 or 2.
- developed recurrence \<12 months from completing platinum-based chemotherapy given as adjuvant therapy for Stage I to III disease, or
- developed recurrence after platinum-based chemotherapy in the recurrent/metastatic setting.
- Have received prior ICI treatment (i.e., anti-programmed death 1/anti-programmed death-ligand 1)
- Have a life expectancy of ≥12 weeks at screening. Key
- Are ineligible for all options in the investigator's choice of chemotherapy arm, per local prescribing information and institutional guidelines (applicable to Cohort 1 only).
- Have a history of small bowel obstruction requiring hospitalization within the past 3 months prior the first dose of study treatment.
- Have an uncontrolled intercurrent illness that would limit compliance with study requirement or substantially increase risk of incurring adverse events.
- Have clinically uncontrolled pleural effusion, ascites or pericardial effusion requiring drainage, or peritoneal shunt within 2 weeks prior to the first dose of study treatment.
- Have a history of (non-infectious) interstitial lung disease (ILD)/pneumonitis that required steroids, have current ILD/pneumonitis, or where suspected ILD/pneumonitis cannot be ruled out by imaging at screening.
- Participants with prior use of immunosuppressive medication within 14 days prior to the first dose of study treatment, except for intranasal and inhaled corticosteroids or systemic corticosteroids at doses of less than...
- Have a lung-specific intercurrent clinically significant illness including, but not limited to, any underlying pulmonary disorder (e.g., pulmonary emboli within 3 months prior to the first dose of study treatment...
- Have uncontrolled infection requiring systemic antibiotics, antivirals, or antifungals within 2 weeks prior to the first dose of study treatment.
- Have unresolved toxicities from previous anti-cancer therapy, defined as toxicities (other than alopecia, fatigue, or endocrinopathies that are well controlled) not yet resolved to Grade ≤1 or baseline.
- Are pregnant or breastfeeding or are planning pregnancy during the study or within 7 months after the last dose of study treatment.
- Have a history of allergies, hypersensitivities, or intolerance to study treatments (investigational medicinal products and auxiliary medicinal product) including any excipients thereof or to other monoclonal...
- Had prior treatment with topoisomerase I inhibitors, including ADCs.
- Have left ventricular ejection fraction \ 15. NOTE: Other protocol defined Inclusion/Exclusion criteria apply.
The study team makes the final eligibility decision.
Where it is enrolling
- Los Angeles, California, United States
- Aurora, Colorado, United States
- New Haven, Connecticut, United States
- Washington D.C., District of Columbia, United States
- Fort Lauderdale, Florida, United States
- Peoria, Illinois, United States
- Urbana, Illinois, United States
- Lexington, Kentucky, United States
- Shreveport, Louisiana, United States
- Minneapolis, Minnesota, United States
- Reno, Nevada, United States
- Mineola, New York, United States
- New York, New York, United States
- Syracuse, New York, United States
- Centerville, Ohio, United States
- Hilliard, Ohio, United States
- Oklahoma City, Oklahoma, United States
- Willow Grove, Pennsylvania, United States
- Sioux Falls, South Dakota, United States
- Tyler, Texas, United States
+ 154 more site(s).
Questions & answers
Do participants get paid in this trial?
This listing doesn't specify compensation. Many trials still reimburse travel or offer a stipend, so it's worth asking the study team when you connect.
Is it free to join, and do I need insurance?
Searching and applying through BridgeMD is free. In clinical trials the study-related treatment and visits are generally provided at no cost to you. You usually don't need insurance to take part, but confirm specifics with the study team.
How long does this study last?
The listing doesn't state an exact length. The study team walks you through the schedule and number of visits before you decide to enroll.
Who can join this trial?
This study is enrolling female, 18 years and older. The study team makes the final eligibility decision.
Where is this trial taking place?
This study is enrolling now at Los Angeles, California, United States; Aurora, Colorado, United States; New Haven, Connecticut, United States; Washington D.C., District of Columbia, United States; Fort Lauderdale, Florida, United States; Peoria, Illinois, United States and 168 more locations. Enter your location above to see the nearest enrolling site and check your eligibility.
Explore other conditions
BridgeMD is an information and trial-matching tool that is independent of the study sponsor. Details come from ClinicalTrials.gov. The study team decides eligibility, and your own doctor gives medical advice.