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Updated June 2026 · ClinicalTrials.gov

RECRUITINGPhase 2INTERVENTIONAL

CapTemY90 for Grade 2/3 NET Liver Metastases

UPCC 04219 Phase 2 Study of Capecitabine-Temozolomide(CapTem) With Yttrium-90 Radioembolization in the Treatment of Patients With Unresectable Metastatic Grade 2/3 Neuroendocrine Tumors

CapTemY90 for Grade 2/3 NET Liver Metastases (NCT04339036) is a Phase 2 interventional studying Neuroendocrine Tumor Grade 2 and Neuroendocrine Tumors, sponsored by Abramson Cancer Center at Penn Medicine. RECRUITING as of the most recent ClinicalTrials.gov update. Talk to your doctor before contacting the trial site.

Important: This information is not medical advice. Talk to your doctor about whether a clinical trial is right for you.

About This Trial

This is a Phase 2 evaluation of hepatic-progression free survival among patients with Grade 2 liver-dominant NET metastases undergoing combination therapy with CapTem and Y90 radioembolization.The hypothesis is to confirm safety and to assess if disease control is improved relative to expectation from either therapy alone. A Grade 3 arm was added in 2025.

What Stage of Research Is This?

Phase 2 trials evaluate whether a treatment actually works against Neuroendocrine Tumor Grade 2 and continue monitoring side effects. Phase 2 enrolls larger groups (typically 100–300 patients) and produces the first real efficacy signal. A successful Phase 2 readout is what unlocks the much larger Phase 3 confirmatory trials needed for FDA approval.

This trial is currently recruiting participants. The sponsor has registered the study with ClinicalTrials.gov as actively enrolling, which means new applicants who meet the eligibility criteria can be considered for screening. Trial status can change between updates — confirm current recruiting status with the study contact before traveling for a screening visit.

Target enrollment of 70 participants puts this in the typical range for a Phase 2-style efficacy study or a moderate Phase 3 trial in a focused Neuroendocrine Tumor Grade 2 subpopulation. At this scale, the study has enough statistical power to detect a clear treatment effect but is not the largest cohort in the field.

Who May Be Eligible (Plain English)

Who May Qualify: - Patients with confirmed diagnosis of histologic grade 2 or 3 well differentiated neuroendocrine tumor with unresectable liver metastases (primary tumor or other extrahepatic disease may be present) - Patients with at least one measurable liver metastases, with size \> 1cm (RECIST criteria) - Patients with liver dominant disease defined as ≥50% tumor body burden confined to the liver - Liver tumor burden does not exceed 50% of the liver volume - Patent main portal vein - At least 4 weeks since last administration of last chemotherapy and /or radiotherapy - Age \>18 years. - expected to live at least 6 months. - You should be able to carry out daily activities with 0 level of ability (ECOG 0)-2. - Adequate liver function as measured by: Total bilirubin ≤ 2.0mg/dl, ALT, AST ≤5 times ULN, albumin ≥2.5g/dl. - Patients must have adequate organ and marrow function as defined below: - platelets \>100,000/mcL (may be corrected by transfusion) - serum creatinine \< 2.0 mg/dl - INR \<1.6, (may be corrected by transfusion) - Ability to understand and the willingness to sign a written willing to sign a consent form document. - Women of child bearing potential and fertile men are required to use effective contraception (negative urine or serum βHCG for women of child-bearing age) Who Should NOT Join This Trial: - Contraindications to capecitibine or temozolomide - Contraindicated for both contrast-enhanced MRI and CT - Patients previously treated with transarterial embolization (with or without chemotherapy) or with radioembolization (Y-90 microspheres) - Contraindication for radioembolization procedures: - excessive hepatopulmonary shunt as determined by the investigator - inability to deliver Y90 microspheres without risk of non-target embolization of extra-hepatic structures - Subjects consenting to the trial who fail their simulation angiography will be removed from the study and replaced. - Patients may not be receiving any other investigational agents. ...See full criteria on ClinicalTrials.gov Always talk to your doctor about whether this trial is right for you.

These are translations of the protocol\'s inclusion and exclusion criteria, simplified for patients and caregivers. The original clinical text appears below. Eligibility is ultimately confirmed by the trial site\'s screening process — this summary is a starting point for a conversation with your doctor, not a final determination.

Original Eligibility Criteria

View original clinical language
Inclusion Criteria: * Patients with confirmed diagnosis of histologic grade 2 or 3 well differentiated neuroendocrine tumor with unresectable liver metastases (primary tumor or other extrahepatic disease may be present) * Patients with at least one measurable liver metastases, with size \> 1cm (RECIST criteria) * Patients with liver dominant disease defined as ≥50% tumor body burden confined to the liver * Liver tumor burden does not exceed 50% of the liver volume * Patent main portal vein * At least 4 weeks since last administration of last chemotherapy and /or radiotherapy * Age \>18 years. * Life expectancy of greater than 6 months. * ECOG performance status 0-2. * Adequate liver function as measured by: Total bilirubin ≤ 2.0mg/dl, ALT, AST ≤5 times ULN, albumin ≥2.5g/dl. * Patients must have adequate organ and marrow function as defined below: * platelets \>100,000/mcL (may be corrected by transfusion) * serum creatinine \< 2.0 mg/dl * INR \<1.6, (may be corrected by transfusion) * Ability to understand and the willingness to sign a written informed consent document. * Women of child bearing potential and fertile men are required to use effective contraception (negative urine or serum βHCG for women of child-bearing age) Exclusion Criteria: * Contraindications to capecitibine or temozolomide * Contraindicated for both contrast-enhanced MRI and CT * Patients previously treated with transarterial embolization (with or without chemotherapy) or with radioembolization (Y-90 microspheres) * Contraindication for radioembolization procedures: * excessive hepatopulmonary shunt as determined by the investigator * inability to deliver Y90 microspheres without risk of non-target embolization of extra-hepatic structures * Subjects consenting to the trial who fail their simulation angiography will be removed from the study and replaced. * Patients may not be receiving any other investigational agents. * Absolute contraindication to intravenous iodinated contrast (Hx of significant previous contrast reaction, not mitigated by appropriate pre-medication). * Choledochoenteric anastomosis, transpapillary stent or sphincterotomy of duodenal papilla; * Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements. * Pregnant and lactating women are ineligible

Treatments Being Tested

DRUG

Capecitabine Oral Product

Capecitabine 750 mg/m2 twice daily orally for 14 days

DRUG

Temozolomide Oral Product

temozolomide 200 mg/m2 orally on Days 10-14, with 14 days between cycles

COMBINATION_PRODUCT

transarterial radioembolization

Trans-arterial radioembolization (TARE) on Day 7 of cycle 2 and, if needed for the other lobe, Day 7 of either cycle 3 or 4.

Locations (4)

Trial sites listed on ClinicalTrials.gov for this study. Site activation status can vary — confirm with the specific site before traveling for a screening visit.

UC San Diego
La Jolla, California, United States
University of Miami Miller School of Medicine-Sylvester Cancer Center
Miami, Florida, United States
Roswell Park Comprehensive Cancer Center
Buffalo, New York, United States
University of Pennsylvania
Philadelphia, Pennsylvania, United States

How to Talk to Your Doctor About This Trial

Bring the printable summary of this trial — including the NCT ID (NCT04339036), the sponsor (Abramson Cancer Center at Penn Medicine), and the key eligibility criteria — to your next appointment. Your doctor can review the inclusion and exclusion criteria against your medical history, lab values, and current treatments to assess whether you are likely to qualify. They can also help you weigh whether trial participation makes sense alongside your existing care plan.

Useful questions to walk through together: What does the trial protocol require beyond standard care? How long is the active treatment phase, and how long is follow-up? Are there study visits at sites I can reach? Who pays for the trial-specific procedures, and who pays for standard-of-care portions? See our 25 questions to ask about clinical trials guide for a more complete checklist.

Authoritative Sources

The official record for this trial lives on ClinicalTrials.gov — the federal registry maintained by the National Library of Medicine at NIH. For background on how this trial fits into the FDA approval pathway, see the FDA drug approval process. For oncology-specific guidance for patients considering trials, the National Cancer Institute publishes patient-oriented overviews. International trial registries are aggregated by the WHO ICTRP.

Frequently Asked Questions

What is the NCT04339036 clinical trial studying?

This is a Phase 2 evaluation of hepatic-progression free survival among patients with Grade 2 liver-dominant NET metastases undergoing combination therapy with CapTem and Y90 radioembolization.The hypothesis is to confirm safety and to assess if disease control is improved relative to expectation from either therapy alone. A Grade 3 arm was added in 2025. The full protocol is registered on ClinicalTrials.gov and includes the primary outcome measures, eligibility criteria, and study endpoints.

Who can participate in NCT04339036?

Eligibility for this trial depends on the specific inclusion and exclusion criteria set by the sponsor. The plain-English summary above translates the most important criteria into accessible language; the official clinical text is preserved in the collapsible section underneath. Whether you fit any specific trial is a medical decision your doctor needs to confirm — bring the trial information to your treating physician for a full review against your medical history.

How do I contact the trial site for NCT04339036?

Contact information registered with ClinicalTrials.gov is shown in the sidebar of this page. Before reaching out, confirm with your treating physician that this trial is appropriate for your situation. The trial site will then walk you through the screening process to determine final eligibility.

Is participating in a clinical trial safe?

Clinical trials in the United States are regulated by the FDA and overseen by Institutional Review Boards (IRBs) that review the protocol for safety. Risk varies by trial — Phase 1 studies test new treatments in humans for the first time, while Phase 3 trials use treatments that have already passed earlier safety screening. The informed consent document for any specific trial details the known risks and what to expect. Discuss those risks with your physician before deciding whether to participate.

Where can I verify the data on this page?

Every detail on this page comes directly from the ClinicalTrials.gov API. Click "View on ClinicalTrials.gov" in the sidebar to see the official, unmodified record. The federal record is always authoritative; this page is a structured presentation with a plain-English eligibility translation. For background on how clinical trials are regulated, see the FDA drug approval process documentation.

How This Page Is Built

Every field on this page is pulled directly from the ClinicalTrials.gov API v2 — no estimates, no proxies. The plain-English eligibility translation is generated from the original protocol text and reviewed for fidelity to the underlying clinical criteria. The original clinical text remains visible in the collapsible section above so users and clinicians can verify the translation. Read the full methodology for the data pipeline and known limitations.

Source: ClinicalTrials.gov API v2 record for NCT04339036. Maintained by the National Library of Medicine at NIH. Public domain. Cite as: "TrialFinderData. NCT04339036. Data: ClinicalTrials.gov."

Medical disclaimer: This page is informational, not medical advice. Talk to your doctor about whether a clinical trial is right for you.

Last updated 2026-06-07 · Data from ClinicalTrials.gov.