New hope for Obesity-Linked endometrial cancer: experimental combo enters human trials
NCT ID NCT05542407
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This early-stage trial tests the safety of combining two drugs, ONC201 and atezolizumab, in 58 women with advanced or recurrent endometrial cancer. The study includes both obese and non-obese participants to see if body weight affects treatment. The goal is to find the best dose and check for side effects.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- ONC201 and atezolizumab
- What this could lead to
- If this combination proves safe and effective, it could offer a new treatment option for women with advanced endometrial cancer, especially those with obesity.
- What could go wrong
- This is an early Phase 1 trial with only 58 participants, focused on safety and dosing. The drugs may not shrink tumors or may cause serious side effects.
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
-
Phase 1
The first testing in people. Mainly checks safety and dose, usually in a small group.
- Participants
-
About 58 people
The number the study aims to enrol. It can still change while the study runs.
- Started
-
Oct 2023
- Expected to finish
-
Jul 2028
An estimate. End dates often move.
- Lead sponsor
-
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
-
18 years and older
- Sex
-
Female participants only
- Healthy volunteers
-
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.
In order to participate in this study a subject must meet all of the eligibility criteria outlined below. Inclusion Criteria 1. Ability to understand and willingness to sign a written informed consent obtained to participate in the study and HIPAA authorization for release of personal health information. 2. Age ≥ 18 years at the time of consent. 3. ECOG Performance Status of 0, 1, or 2 4. Histologically confirmed metastatic or recurrent EC (endometrioid, carcinosarcoma, serous, clear cell, adeno-squamous and mixed histologies). 5. Subjects must have measurable disease, defined as at least one lesion that can be accurately measured in at least one dimension in accordance with RECIST criteria 6. Must have radiographic disease progression after at least 1 line of systemic cytotoxic therapy for metastatic disease or with progression within 12 months of completing adjuvant chemotherapy. 7. Life expectancy of at least 3 months. 8. Demonstrate adequate organ function as defined in the table below; all screening labs to be obtained within 72 hours prior to initiating study treatment. Exclusion Criteria 1. Prior treatment with ONC201. 2. Prior treatment with CD137 agonists or immune checkpoint blockade therapies, including antiCTLA-4, and anti PD-L1 therapeutic antibodies 3. Treatment with another investigational agent or participation in another clinical trial within the last 28 days prior to initiating protocol therapy. 4. Subjects who have had chemotherapy or radiotherapy within 4 weeks prior to study treatment or those who have not recovered from adverse events due to agents administered more than 4 weeks prior to initiating protocol therapy. 5. Treatment with therapeutic oral or IV antibiotics within 2 weeks prior to initiation of protocol therapy Subjects receiving prophylactic antibiotics (e.g., to prevent a urinary tract infection or chronic obstructive pulmonary disease exacerbation) are eligible for the study. 6. Treatment with systemic immunostimulatory agents (including, but not limited to, interferon and interleukin 2 \[IL-2\]) within 4 weeks or 5 half-lives of the drug (whichever is longer) prior to initiation of protocol therapy. 7. Treatment with systemic immunosuppressive medication (including, but not limited to, corticosteroids, cyclophosphamide, azathioprine, methotrexate, thalidomide, and anti TNF-agents) within 2 weeks prior to initiation
Get updates
Get notified about this study
Sign up to get updates when this study changes or when new studies for Carcinosarcoma are added.
Genom att skicka in godkänner du våra Användarvillkor
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.
-
The places running it
1 site. The list below names each one and where it is.
-
The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
-
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
-
Lineberger Comprehensive Cancer Center
RECRUITINGChapel Hill, North Carolina, 27599, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can hormone pills replace chemo for aggressive endometrial cancer?
- Triple oral drug combo targets two stubborn gynecologic cancers
- Can pulsed radiation extend life in metastatic cervical cancer?
- Shorter, personalized radiation may target endometrial cancer with fewer side effects
- Robotic surgery vs standard approaches: does the platform change cancer outcomes?
- Can a Weight-Loss drug and an IUD treat early uterine cancer without surgery?