SIR-Spheres microspheres SIR-Y001Recalls & reported problems
Sirtex Medical Inc. · SIR-Y001 (3Gbq/5ml): SIR-Spheres Y90 resin microspheres consist of biocompatible resin microspheres containing yttrium-90 with a size between 20 and 60 microns in diameter. Each vial contains 3 GBq of Y90 ± 10% (at the time of calibration) in a total of 5 cc water for injection. Yttrium-90 is a high-energy pure beta-emitting isotope with no primary gamma emission. The maximum energy of the beta particles is 2.27MeV with a mean of 0.93MeV. The maximum range of emissions in tissue is 11mm with a mean of 2.5mm. This is a brachytherapy product considered to be a sealed source device. The yttrium-90 has a purity specification of 999,900 ppm at reference, at (or after) time of manufacture of SIR-Spheres microspheres. The half-life is 64.1 hours. In use requiring the isotope to decay to infinity, 94% of the radiation is delivered in 11 days leaving only background radiation with no therapeutic value. SIR-Spheres microspheres themselves are a permanent implant. Each device is for single patient use. · Class 3 · Implant
Data updated Oct 18, 2026 from official FDA records · Editorial policy
- Adverse event reports
- 11
- Deaths reported
- 4
- Injuries reported
- 5
- Recalls naming it
- 0
Summary
The FDA's MAUDE database contains 11 adverse event reports that list this exact device (DI M425SIRY0010), received between Jun 17, 2019 and Dec 31, 2024 — classified as 4 deaths, 5 injuries, 2 malfunctions.
The most frequently reported specific device problem is “Insufficient Device Problem Information” (4 reports).
Reports come from manufacturers, hospitals and patients and are not verified by the FDA. A report does not prove the device caused the event, and counts can't be used to compare devices or estimate failure rates. What reports can and can't tell you · How this data works · Data updated Oct 18, 2026.
Reports received per month
Most reported problems
Device problems
- Adverse Event Without Identified Device or Use Problem7
- Insufficient Device Problem Information4
- Obstruction of Flow1
- Physical Resistance/Sticking1
Patient problems
- Death2
- No Clinical Signs, Symptoms or Conditions2
- Rash2
- Sepsis2
- Abdominal Pain1
- Abscess1
- Ascites1
- Pneumonia1
Recent adverse event reports
The 11 most recent of 11 reports, in the reporter's own words as published by the FDA.
InjuryDec 31, 2024Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem
DOORWAY90 CLINICAL STUDY PATIENT EXPERIENCED ABDOMINAL PAIN, NAUSEA, AND VOMITING. PATIENT DEVELOPED ASCITES WHICH RESULTED IN PROLONGATION OF HOSPITAL STAY.
Patient problems: Abdominal Pain; Ascites; Vomiting
MAUDE report 21047619 ↗DeathJun 26, 2024Adverse Event Without Identified Device or Use Problem; Insufficient Device Problem Information; Adverse Event Without Identified Device or Use Problem; Insufficient Device Problem Information
PATIENT FAMILY MEMBER STATED IN EMAIL: "WHAT HAPPENS WHEN A PATIENT DIES FROM RADIATION PNEUMONITIS DUE TO TREATMENT? THE PATIENT PASSED MAPPING PROCEDURE HOWEVER AT THE FIRST SIGN OF ADVERSE REACTIONS YOUR RESEARCHERS WENT OUT OF THEIR WAY TO DENY THE TREATMENT CAUSED ANY AILMENTS PATIENT EXPERIENCED FOR 2 MONTHS. RESEARCHERS ACTUALLY TRIED TO ARGUE CAUSE OF DEATH WITH ICU DRS TREATING THE RADIATION PNEUMONITIS. IF THEY HAD INTERVENED INSTEAD OF DENYING FROM THE FIRST SIGN OF RESPIRATORY PROBLEMS, THE PATIENT MAY STILL BE ALIVE." PATIENT FAMILY ALLEGE THAT PATIENT DIED FROM RADIATION PNEUMONITIS, FOLLOWING A SIR-SPHERES INVESTIGATIONAL PROCEDURE. THE FAMILY MEMBER DOES MENTION THAT THE IR TEAM THAT PERFORMED THE PROCEDURE DETERMINED THAT PATIENT DID NOT HAVE RADIATION PNEUMONITIS. HOWEVER, FAMILY STILL BELIEVES THAT PATIENT SUFFERED FROM THIS. PATIENT FAMILY MEMBER STATES THAT PATIENT WAS SEEN AT (B)(6) MEDICAL CENTER (B)(6) IN (B)(6) , WITH THE MAPPING PROCEDURE ON (B)(6) 2024 AND THE SIR-SPHERES PROCEDURE ON (B)(6) 2024. THE FAMILY ALSO STATES THAT DR. (B)(6) (RESIDENT) AND DR. (B)(6) (ATTENDING) WERE THE TREATING PHYSICIANS FOR THE PROCEDURES. SIRTEX ADVERSE EVENT REPORTS FROM
Patient problems: Pneumonia; Respiratory Failure
MAUDE report 19613314 ↗MalfunctionMar 4, 2024Insufficient Device Problem Information; Insufficient Device Problem Information
DURING THE ADMINISTRATION OF THE SECOND DOSE OF A SPLIT DOSE CASE OF SIR-SPHERES TREATMENT, DR. (B)(6) WAS NO LONGER ABLE TO INJECT THROUGH EITHER THE B OR D LINES. DR. (B)(6), WHO WAS PROCTORING DR. (B)(6) , WAS ALSO PRESENT AND ASSISTED IN TROUBLE SHOOTING TO ATTEMPT TO CLEAR THE LINE. THE LINE WAS PULLED AND CASE WAS COMPLETED. THE ENTIRE SYSTEM WAS SENT TO BE DECAYED. POST SURVEY SHOWED APPROXIMATELY 45% OF THE DOSE WAS DELIVERED TO PATIENT PRIOR TO CLOGGING (PRESCRIBED DOSE .3GBQ, ADMINISTERED WAS .14 GBQ). NON-SIRTEX EQUIPMENT USED WAS A SIM 2 CATHETER INTO THE CELIAC TRUNK AND 2.4FR. PROGREAT INTO THE DISTAL PORTION OF SEGMENT 7. NUC MED IS HOLDING THE SYSTEM UNTIL IT'S DECAYED TO BACKGROUND AND WILL SHIP BACK FOR QUALITY TO CHECK THE SYSTEM TO SEE IF THE ISSUE WAS THE SIROS TUBING OR A CLOGGED/KINKED MICROCATHETER. ALSO OF NOTE, INSIDE OF SIROS BOX WAS HOT TREATMENT. THE D PORT CONNECTION GOING INTO THE D-VIAL WAS CRACKED. SUSPECT DUE TO PRESSURE BUILD UP WITHIN THE SYSTEM WHEN DR. HAZELTON WAS NO LONGER ABLE TO INJECT.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 18826214 ↗MalfunctionFeb 27, 2024Insufficient Device Problem Information; Insufficient Device Problem Information
PROCEDURE INCLUDED A SEGMENTAL DELIVERY WITH MULTIPLE ALIQUOTS. EVERYTHING PRIOR AND DURING THE PROCEDURE LOOKED NORMAL. WHEN THE POST PROCEDURE 4 POINT SURVEY WAS DONE THE HEALTHCARE PROFESSIONAL REALIZED THAT ONLY 40% OF THE PRESCRIBED DOSE WAS DELIVERED TO THE PATIENT. NO FURTHER INFORMATION HAVE BEEN PROVIDED.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 18788562 ↗InjuryOct 24, 2023Insufficient Device Problem Information; Insufficient Device Problem Information
PATIENT UNDERWENT THREE SESSIONS OF TACE AND ONE SESSION OF Y90. ROUTINE IMAGING SURVEILLANCE WAS PERFORMED FOLLOWING EACH THERAPY SESSION. NO SIGNIFICANT CHANGES TO TUMOR SIZE WERE NOTED. DEVELOPMENT OF ABSCESS AND SEPSIS WITHIN THE TREATED TUMOR WAS SEEN. FOLLOWING Y90, PATIENT UNDERWENT MULTIPLE PERCUTANEOUS DRAINAGE PROCEDURES. PATIENT CONDITION DETERIORATED AND THE FAMILY DECIDED AGAINST FURTHER INTERVENTIONS.
Patient problems: Abscess; Sepsis
MAUDE report 17996860 ↗DeathMay 5, 2023Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem
SIRTEX'S SALES REPRESENTATIVE SPOKE WITH DR. CHO ON FRIDAY, APRIL 7 REGARDING AN ADVERSE EVENT THAT OCCURRED WITH A PATIENT THAT WAS TREATED ON (B)(6) 2023. PATIENT WAS PRESCRIBED 3.663 GBQ'S TO SEGMENT 5 OF THE RIGHT LOBE, TUMOR VOLUME WAS 16CC'S. PATIENT DEVELOPED ABDOMINAL PAIN POST TREATMENT WHICH PROGRESSED TO FURTHER COMPLICATIONS AFTER THE TREATMENT. PATIENT DIED 5-6 WEEKS LATER FROM SEPSIS WHICH ORIGINATED IN THE ANTERIOR PORTION OF THE RIGHT LOBE.
Patient problems: Sepsis
MAUDE report 16875496 ↗DeathDec 22, 2019Adverse Event Without Identified Device or Use Problem
PATIENT HAD A PRE-EXISTING ISSUE WITH ULCERS. PATIENT TREATED WITH SIR-SPHERES ON (B)(6) 2019, AND EXPERIENCED GASTRIC ULCER AFTER THE PROCEDURE. PATIENT PASSED AWAY ON (B)(6) 2019. WE REQUESTED ADDITIONAL INFORMATION FROM THE PHYSICIAN AND HAVE NOT OBTAINED ANY FURTHER DETAILS.
Patient problems: Death; Ulcer
MAUDE report 9508723 ↗DeathDec 17, 2019Adverse Event Without Identified Device or Use Problem
THE PATIENT WAS TREATED WITH SIR-SPHERES ON (B)(6) 2019. THE PATIENT HAD A FEW LINES OF CHEMOTHERAPY. 10 DAYS AFTER THE PROCEDURE THE PATIENT WAS ADMITTED AND HIS DISEASE HAD METASTASIZED. DATE OF DEATH WAS (B)(6) 2019 AT 14:36PM. SPOKEN WITH VP OF (B)(6), PER THEIR RISK MANAGEMENT DEPARTMENT, THEY CANNOT PROVIDE US WITH A NARRATIVE OR ANY DETAILS SURROUNDING THE PATIENT'S DEATH.
Patient problems: Death
MAUDE report 9478748 ↗InjuryNov 3, 2019Obstruction of Flow; Physical Resistance/Sticking
DURING INFUSION RESISTANCE WAS MET WHEN CONTRAST WAS INJECTED TO INFUSE SIR-SPHERES INTO PATIENT. TUBING DISCONNECTED FROM MICROCATHETER AND ATTEMPT IS MADE TO FLUSH MICROCATHETER WHICH WAS AGAIN MET WITH RESISTANCE. MICROCATHETER AND GUIDEWIRE WERE REMOVED AND NEW 2.9 FRENCH MICROCATHETER WAS INSERTED. CASE COMPLETED. THIS INCIDENT WAS NOT CAUSE BY SIR-SPHERES, HOWEVER AS THE RESULT OF THIS CATHETER CLOGGING - 14.42 MCI'S WAS ADMINISTERED AND 21.2 MCI'S WERE DRAWN. SO ONLY 68% OF THE DOSE WAS ADMINISTERED TO PATIENT.
Patient problems: Underdose
MAUDE report 9270716 ↗InjuryJun 17, 2019Adverse Event Without Identified Device or Use Problem
PATIENT WITH PRIMARY HCC UNDERWENT SIRT TREATMENT OF RIGHT LOBE (1.48 GBQ) ON (B)(6) 2019. APPROXIMATELY 2 WEEKS AFTER SIRT TREATMENT PATIENT PRESENTED WITH DIFFUSE RASH (FACE, CHEST AND BACK) THAT REQUIRED TREATMENT (GRADE 2). PRESCRIBED TREATMENT INCLUDED: MEDROL DOSE PACK, PROTONIX, ZANTAC, OXYCODONE AND ZOFRAN.
Patient problems: Rash
MAUDE report 8704224 ↗InjuryJun 17, 2019Adverse Event Without Identified Device or Use Problem
PATIENT WITH MCRC UNDERWENT SIRT TREATMENT OF RIGHT LOBE (1.17 GBQ) ON (B)(6) 2019. AFTER SIRT TREATMENT PATIENT PRESENTED WITH DIFFUSE RASH (FACE, CHEST AND BACK) THAT REQUIRED TREATMENT (GRADE 2). PRESCRIBED TREATMENT INCLUDED: MEDROL DOSE PACK, PROTONIX, ZANTAC, OXYCODONE AND ZOFRAN.
Patient problems: Rash
MAUDE report 8704223 ↗
Other Microspheres Radionuclide devices
- TheraSphere Administration Set OTT-SPE-FP-001Biocompatibles Uk Ltd · Microspheres Radionuclide2 recalls2 reports
- TheraSphere Administration Set 990226.SPEBiocompatibles Uk Ltd · Microspheres Radionuclide1 recall3 reports
- TheraSphere Y90 Glass Microspheres 3 GBq 990700.SPEBiocompatibles Uk Ltd · Microspheres Radionuclide5 deaths19 reports
- TheraSphere Y90 Glass Microspheres 3.0 GBq (US Commercial) OTT-SPE-FP-700 (990700.SPE)Biocompatibles Uk Ltd · Microspheres Radionuclide13 reports
- TheraSphere Y90 Glass Microspheres 5 GBq 990700.SPEBiocompatibles Uk Ltd · Microspheres Radionuclide1 death8 reports
- TheraSphere Y90 Glass Microspheres 4.0 GBq 990700.SPEBiocompatibles Uk Ltd · Microspheres Radionuclide2 deaths7 reports
- TheraSphere Y90 Glass Microspheres 3.5 GBq 990700.SPEBiocompatibles Uk Ltd · Microspheres Radionuclide1 death6 reports
- TheraSphere Y90 Glass Microspheres 7 GBq 990700.SPEBiocompatibles Uk Ltd · Microspheres Radionuclide3 deaths6 reports
Sources and updates
- Device record: FDA GUDID, file dated Oct 13, 2026 · View this device in AccessGUDID ↗
- Adverse event reports: FDA MAUDE, file dated Oct 14, 2026 · each report above links to its original FDA record
- Recalls: FDA Medical Device Recalls, file dated Oct 16, 2026
- Page last rebuilt: Oct 18, 2026. Data downloaded through openFDA, which notes it is not validated for clinical or regulatory use.
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