Reported Reactions

Drugs

Brand name · Sipuleucel-t

Provenge: adverse event reports filed with FDA

5,937 reports list it as a suspect or interacting product, 2010–2026. Also reported as Provenge Suspension 250ml, Provenge Suspension 250 Ml, Provenge Suspension.

5,937
reports as suspect product
0% of all reports · about 369 a year
267
reports, 12 months to June 2026
388 in the 12 months before
45.9%
marked serious by the reporter
57.4% across all reports
5.8%
record death among outcomes, as reported
347 reports · not verified by FDA

Between June 2010 and June 2026, 5,937 adverse event reports received by FDA list the brand name Provenge (sipuleucel-t) as a suspect or interacting product. Reports that mention it only as a concomitant medication (151) are left out of every figure here.

In the 12 months to June 2026, 267 reports listed it, down 31% from 388 in the 12 months before. FDA releases FAERS data quarterly, so the newest months are incomplete and grow in later releases. Over its reporting history that is about 369 reports a year and 0% of the 20,646,523 reports in the database. How many people take it is not in the data, so a count is not a rate of occurrence.

The reactions recorded most often are chills (9.5%), infusion related reaction (9.2%) and fatigue (5.8%). A report can list several reactions, so shares add to more than 100%; 535 different terms appear across these reports. Chills is recorded in 9.5% of these reports, against 0.6% of all reports in the database.

45.9% of the reports are marked serious by the reporter; 5.8% record death among the outcomes and 31.8% record hospitalisation, as reported. 57.5% of the reports came from other health professionals, and the largest patient age group is 75 and over (22%). FDA states that "a causal relationship cannot be established between product and reactions listed in a report" and that for any given report "there is no certainty that a suspected drug caused the event."

Reports by month, five years

0164328Jul 2021: 9Aug 2021: 11Sep 2021: 9Oct 2021: 9Nov 2021: 8Dec 2021: 92022Jan 2022: 5Feb 2022: 2Mar 2022: 10Apr 2022: 3May 2022: 9Jun 2022: 274Jul 2022: 6Aug 2022: 2Sep 2022: 11Oct 2022: 12Nov 2022: 3Dec 2022: 92023Jan 2023: 4Feb 2023: 2Mar 2023: 8Apr 2023: 4May 2023: 6Jun 2023: 247Jul 2023: 6Aug 2023: 10Sep 2023: 4Oct 2023: 1Nov 2023: 3Dec 2023: 102024Jan 2024: 2Feb 2024: 5Mar 2024: 6Apr 2024: 5May 2024: 224Jun 2024: 3Jul 2024: 7Aug 2024: 10Sep 2024: 4Oct 2024: 6Nov 2024: 0Dec 2024: 62025Jan 2025: 4Feb 2025: 6Mar 2025: 7Apr 2025: 7May 2025: 3Jun 2025: 328Jul 2025: 7Aug 2025: 5Sep 2025: 9Oct 2025: 5Nov 2025: 3Dec 2025: 02026Jan 2026: 4Feb 2026: 5Mar 2026: 4Apr 2026: 1May 2026: 1Jun 2026: 223

Reports by the month FDA received them. FDA releases FAERS data quarterly, so the newest months are incomplete and grow in later releases.

By year received

04078142010: 3220102011: 1842012: 30920122013: 5562014: 22920142015: 2682016: 65320162017: 8142018: 57420182019: 822020: 37820202021: 3072022: 34620222023: 3052024: 27820242025: 3842026: 2382026

2026 covers reports received through June 2026 only.

Reactions recorded in the reports

share of Provenge reports recording the termall reports in the database

  1. Chillschills or shivering9.5%565
  2. Infusion related reactiona reaction during or soon after an infusion9.2%546
  3. Fatiguetiredness5.8%344
  4. Pyrexiafever5.3%317
  5. Malaisegeneral feeling of being unwell5%294
  6. Nauseafeeling sick5%294
  7. Disease progressionthe disease advanced4.5%269
  8. Astheniaweakness or lack of energy4.3%256
  9. Vomitingbeing sick3.6%216
  10. Culture positive3.6%215
  11. Back painback pain3.4%203
  12. Dizzinesslight-headedness or unsteadiness3.3%198
  13. Falla fall3.2%188
  14. Ill-defined disordera condition that was not clearly described3.1%183
  15. Urinary tract infectionbladder or urinary infection2.8%169
  16. Anaemialow red blood cells2.6%155
  17. Hypotensionlow blood pressure2.6%155
  18. Dehydrationdehydration2.6%152
  19. Dyspnoeashortness of breath2.5%151
  20. Painpain, site not specified2.5%147
  21. Haemoglobin decreasedlow haemoglobin2.4%142
  22. Hypertensionhigh blood pressure2.3%136
  23. Diarrhoealoose or frequent stools2.3%135
  24. Pneumonialung infection2.3%135
  25. Device related infectionan infection related to the device2.2%132
  26. Headachehead pain2.1%122
  27. Decreased appetitereduced appetite2%120
  28. Hospitalisationadmission to hospital1.9%114
  29. Arthralgiajoint pain1.7%102
  30. Vascular device infection1.7%98

Top 30 of 535 MedDRA preferred terms recorded across these reports, with a plain-language gloss where one is available. One report can record several terms. The hollow bar is the share of all reports in the database; it describes the reports, not the patients. FDA states that adverse event reports "represent a small percentage of total usage numbers of a product", that "common products may have a higher number of adverse events due to the higher total number of people using the product", and that the data "by themselves are not an indicator of the safety profile of the drug or biologic."

Outcomes recorded

Death5.8%347
Life-threatening0.4%25
Hospitalisation (initial or prolonged)31.8%1,885
Disability0.4%25
Congenital anomaly0%0
Other serious16.9%1,005
Not serious54.1%3,212

Outcome flags as the reporter set them; a report can carry several, and "other serious" is FDA's own category for serious reports outside the named outcomes. Grey bar: all 20,646,523 reports. FDA has not verified any outcome and states that the reports "cannot be used to estimate the incidence of these events."

Patients and reporters

Patient age

Under 20%0
2 to 110%0
12 to 170%0
18 to 440%2
45 to 649.2%549
65 to 7420.5%1,217
75 and over22%1,305
Age not given48.2%2,864

Patient sex

Female0.1%4
Male57.7%3,423
Not given42.3%2,510

Who reported

Physician21.4%1,272
Pharmacist1.2%70
Other health professional57.5%3,415
Lawyer0%1
Consumer or non-health professional17.1%1,015
Not given2.8%164

Age and sex as stated in the report; the reporter's qualification is the primary source recorded by FDA. 99.8% of reports give the United States as the country of the event or reporter.

Reason for use recorded

Indication as recorded (MedDRA)ReportsShare
Prostate cancer metastatic3,41857.6%
Prostate cancer1,25521.1%
Hormone-refractory prostate cancer140.2%
Prostate cancer stage iv30.1%
Infusion related reaction20%
Malignant neoplasm progression20%

The indication field is filled in by the reporter and is often blank; shares are of all 5,937 reports.

Drugs most often listed in the same reports

Drug (any role in the report)ReportsShare of Provenge reports
Benadryl5298.9%
Tylenol5138.6%
Aspirin4417.4%
Lupron3776.4%
Lisinopril3375.7%
Xtandi3195.4%
Metoprolol2824.7%
Prednisone2594.4%
Amlodipine2544.3%
Atorvastatin2534.3%

Other products listed in reports where Provenge is a suspect product, whatever their own role. Co-listing means the two were recorded together; it says nothing about either product's part in the event. Only the 2,500 most-reported names are counted here.

In context

MeasureProvengeAll reports
Reports as suspect product5,93720,646,523
Share of that pool—0%
Reports, latest 12 months2671,332,454
Marked serious45.9%57.4%
Death recorded among outcomes, per 1,000 reports5891
Hospitalisation recorded, per 1,000 reports318213
Consumer-filed share17.1%45.8%
Top term, share of reportsChills 9.5%0.6%

Shares are of reports, not of patients treated. The number of people taking a product is not in the data, so none of these figures is a rate, and differences between columns reflect who takes a product, who reports and how long it has been sold. FDA states that adverse event reports "represent a small percentage of total usage numbers of a product", that "common products may have a higher number of adverse events due to the higher total number of people using the product", and that the data "by themselves are not an indicator of the safety profile of the drug or biologic."

Questions about Provenge reports

How many adverse event reports has FDA received for Provenge?

5,937 reports list Provenge as a suspect or interacting product in the openFDA FAERS release of 28 Sep 2026, covering reports received through June 2026. 267 of them arrived in the latest 12 months. Another 151 list it only as a concomitant medication.

What reactions are recorded in Provenge reports?

chills (9.5%), infusion related reaction (9.2%), fatigue (5.8%), pyrexia (5.3%) and malaise (5%). These are MedDRA preferred terms coded from what the reporter described; a report can list several, and a term's presence is not a finding that Provenge was responsible.

How serious are the reports?

45.9% are marked serious by the reporter. Among the outcomes recorded, 5.8% of reports include death and 31.8% include hospitalisation. FDA has not verified these outcomes and states that the reports "cannot be used to estimate the incidence" of the events.

Who files these reports?

other health professional (57.5%), physician (21.4%) and consumer or non-health professional (17.1%). Most reports reach FDA through the manufacturer, which must forward reports it receives.

Are reports for Provenge rising?

267 reports in the 12 months to June 2026, down 31% from 388 in the 12 months before. FDA releases FAERS data quarterly, so the newest months are incomplete and grow in later releases. Counts also move with how many people take a product, its time on the market and publicity.

Do these reports show that Provenge was responsible for these reactions?

No. FDA states that "a causal relationship cannot be established between product and reactions listed in a report" and that for any given report "there is no certainty that a suspected drug caused the event." The reaction may relate to the condition being treated, to other medicines, or to something else.

Is this a list of the side effects of Provenge?

No. It is a count of what was reported to FDA. The adverse reactions observed in clinical studies are printed on the FDA-approved label, which a pharmacist or clinician can go through with you.

How do I report an adverse event?

Consumers and health professionals can report to FDA through MedWatch (Form FDA 3500 online, or 1-800-FDA-1088), or to the manufacturer, which must pass reports on. See the guide on how to report.

Where this comes from. Counts are built from the openFDA Drug Adverse Event (FAERS) bulk export released 28 Sep 2026, which holds reports FDA received through 30 Jun 2026. Drug names are as reported, resolved to the brand or generic name on the FDA label where openFDA's harmonisation matched them; classes are the pharmacologic class (EPC) from the label and the National Drug Code Directory of 17 Sep 2026. A report counts here when it lists Provenge as a suspect or interacting product; reports listing it only as a concomitant medication (151) are excluded. No report narrative, lot number, patient detail or reporter identity is published. See the methodology and sources; FDA's record is authoritative, and corrections are handled within five working days.

Drug data (FAERS) through 30 Jun 2026; device data (MAUDE) through 31 Aug 2026. Not medical advice.