Radiation segmentectomy with Y-90 resin microspheres for liver tumors
Official title: RAdiation SEgmentectomy With REsin Microspheres (RASEREM) Study
Run by Ankara University · NCT07345247 · Data updated 2026-11-12
This will test whether injecting Y-90 resin microspheres into the tumor-bearing part of the liver is safe and can shrink tumors in adults with liver cancer.
Quick facts
| Study type | Observational |
|---|---|
| Ages | 18 Years and up |
| Sex | All |
| Enrollment | 150 (estimated) |
| Sponsor | Ankara University Academic / other |
| Drugs / interventions | Radiation |
| Locations | 20 sites (Adana and 19 other locations) |
| Status | Recruiting |
| Started | August 1, 2025 |
| Main results expected | March 1, 2028 |
| Study ends | August 1, 2028 |
| Registry record updated | January 22, 2026 |
| Trial ID | NCT07345247 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Adults (≥18) with HCC or liver metastases who have one to three tumors confined to the same or neighboring liver segments, tumor size under 8 cm, Child–Pugh score below B9, and who can attend follow-up visits are ideal candidates.
✕Probably not a fit
Patients with macrovascular invasion, disease outside the liver, cholangiocarcinoma or mixed HCC‑cholangiocarcinoma, or those unable/unwilling to attend follow-up are unlikely to benefit from this protocol.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This is a multicenter prospective observational registry of adults with hepatocellular carcinoma or liver metastases treated with selective Y-90 resin microsphere infusion to the tumor-bearing hepatic segment. Teams will record administered dose, liver function, imaging responses, and adverse events at scheduled follow-up visits to determine safety and to describe dose thresholds linked to complete radiologic response. The main analysis will relate segmental radiation dose to rates of complete response, local control, and treatment-related toxicity. Data from participating centers in Adana, Turkey will be pooled to produce practical dose recommendations for resin microsphere segmentectomy.
Why it matters
Potential benefit: If successful, the study could define safe and effective dose limits for Y-90 resin segmentectomy and help doctors use this treatment more confidently.
How similar studies have gone: Existing evidence using glass microspheres shows strong safety and efficacy for radiation segmentectomy and retrospective reports suggest resin microspheres can work at lower doses, but prospective multicenter data for resin devices are limited.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * Patients aged ≥18 years * Underwent RE as a RS intent (have single or \<3 tumors in same or neighboring 2 segments) for the treatment of HCC or metastatic tumor to liver. * Presence of extrahepatic disease * Tumor size less than 8 cm * Child Pugh Score \<B9 Exclusion Criteria: * Presence of macrovascular invasion, * Presence of extrahepatic disease, * Cholangiocarcinoma or mixed HCC-cholangiocarcinoma * Not willing to attend follow-up visits.
Where it's running
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Acibadem Adana Hospital
Adana, Turkey (Türkiye) Recruiting -
Hacettepe University
Ankara, Turkey (Türkiye) Recruiting -
Cam ve Sakura Education and Reseach Hospital
Istanbul, Turkey (Türkiye) Recruiting -
Istanbul University Capa Medical School
Istanbul, Turkey (Türkiye) Recruiting -
Marmara University
Istanbul, Turkey (Türkiye) Recruiting -
Katip Celebi Education and Research Hospital
Izmir, Turkey (Türkiye) Recruiting
Show 14 more locations
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Erciyes University
Kayseri, Turkey (Türkiye) Recruiting -
Konya Selcuk University
Konya, Turkey (Türkiye) Recruiting -
Inonu University
Malatya, Turkey (Türkiye) Recruiting -
Adana City Hospital
Adana, Turkey (Türkiye) Not yet recruiting -
Cukurova University
Adana, Turkey (Türkiye) Not yet recruiting -
Bilkent City Hospital
Ankara, Turkey (Türkiye) Not yet recruiting -
Gulhane Education and Research Hospital
Ankara, Turkey (Türkiye) Not yet recruiting -
Pamukkale University
Denizli, Turkey (Türkiye) Not yet recruiting -
Gazi Yasargil Education and Research Hospital
Diyarbakır, Turkey (Türkiye) Not yet recruiting -
Istanbul Unicersity Cerrahpasa Medical School
Istanbul, Turkey (Türkiye) Not yet recruiting -
Acibadem Izmir Hospital
Izmir, Turkey (Türkiye) Not yet recruiting -
Ege University
Izmir, Turkey (Türkiye) Not yet recruiting -
Kocaeli University
Kocaeli, Turkey (Türkiye) Not yet recruiting -
Mersin City Hospital
Mersin, Turkey (Türkiye) Not yet recruiting
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.