Reported Reactions

Drugs

Product name as reported

Cyclophosphamide Doxorubicin Prednisone Vincristine: adverse event reports filed with FDA

517 reports list it as a suspect or interacting product, 2019–2026.

517
reports as suspect product
0% of all reports · about 71 a year
85
reports, 12 months to June 2026
27 in the 12 months before
98.8%
marked serious by the reporter
57.4% across all reports
18.2%
record death among outcomes, as reported
94 reports · not verified by FDA

Between March 2019 and June 2026, 517 adverse event reports received by FDA list the product name "Cyclophosphamide Doxorubicin Prednisone Vincristine" as reporters wrote it as a suspect or interacting product. Reports that mention it only as a concomitant medication (67) are left out of every figure here.

In the 12 months to June 2026, 85 reports listed it, up 215% from 27 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 71 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 disease progression (32.9%), lymphoma (25.3%) and off label use (25%). A report can list several reactions, so shares add to more than 100%; 261 different terms appear across these reports. Disease progression is recorded in 32.9% of these reports, against 0.6% of all reports in the database.

98.8% of the reports are marked serious by the reporter; 18.2% record death among the outcomes and 16.1% record hospitalisation, as reported. 74.5% of the reports came from physicians, and the largest patient age group is 45 to 64 (20.5%). 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

02754Jul 2021: 1Aug 2021: 2Sep 2021: 2Oct 2021: 4Nov 2021: 6Dec 2021: 52022Jan 2022: 3Feb 2022: 4Mar 2022: 5Apr 2022: 7May 2022: 54Jun 2022: 23Jul 2022: 18Aug 2022: 17Sep 2022: 19Oct 2022: 13Nov 2022: 25Dec 2022: 192023Jan 2023: 41Feb 2023: 26Mar 2023: 5Apr 2023: 14May 2023: 14Jun 2023: 7Jul 2023: 11Aug 2023: 0Sep 2023: 0Oct 2023: 5Nov 2023: 6Dec 2023: 22024Jan 2024: 1Feb 2024: 3Mar 2024: 4Apr 2024: 1May 2024: 0Jun 2024: 2Jul 2024: 0Aug 2024: 0Sep 2024: 4Oct 2024: 5Nov 2024: 0Dec 2024: 42025Jan 2025: 1Feb 2025: 1Mar 2025: 2Apr 2025: 2May 2025: 1Jun 2025: 7Jul 2025: 9Aug 2025: 5Sep 2025: 1Oct 2025: 4Nov 2025: 5Dec 2025: 12026Jan 2026: 1Feb 2026: 1Mar 2026: 1Apr 2026: 9May 2026: 45Jun 2026: 3

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

01042072019: 920192020: 1820202021: 2920212022: 20720222023: 13120232024: 2420242025: 3920252026: 602026

2026 covers reports received through June 2026 only.

Reactions recorded in the reports

share of Cyclophosphamide Doxorubicin Prednisone Vincristine reports recording the termall reports in the database

  1. Disease progressionthe disease advanced32.9%170
  2. Lymphomaa cancer of the lymphatic system25.3%131
  3. Off label useused for a purpose or in a way not on the label25%129
  4. Pyrexiafever7.7%40
  5. Drug ineffectivethe medicine did not work as expected7%36
  6. Neutropenialow neutrophils, a type of white blood cell7%36
  7. Diffuse large B-cell lymphoma recurrent6.8%35
  8. Product use issuea problem in how the product was used5.8%30
  9. Covid-19COVID-19 infection5.2%27
  10. Product use in unapproved indicationused for a purpose not on the label5%26
  11. Febrile neutropeniafever with low white blood cells4.8%25
  12. Infectionan infection, type not specified4.8%25
  13. Cytomegalovirus infection reactivation4.4%23
  14. Deaththe patient died; cause not stated by this term4.4%23
  15. Pancytopenialow counts of all blood cells4.4%23
  16. Cytopenia4.1%21
  17. Neuropathy peripheralnerve damage in hands or feet4.1%21
  18. Sepsisa severe body-wide response to infection3.9%20
  19. Renal failurekidney failure3.7%19
  20. Diffuse large B-cell lymphoma refractory3.5%18
  21. Pneumonialung infection3.5%18
  22. Acute kidney injurysudden loss of kidney function2.7%14
  23. Platelet count decreasedlow platelet count2.7%14

Top 30 of 261 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

Death18.2%94
Life-threatening4.8%25
Hospitalisation (initial or prolonged)16.1%83
Disability2.3%12
Congenital anomaly0%0
Other serious91.5%473
Not serious1.2%6

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 445.8%30
45 to 6420.5%106
65 to 7415.1%78
75 and over9.1%47
Age not given49.5%256

Patient sex

Female28.4%147
Male41%212
Not given30.6%158

Who reported

Physician74.5%385
Pharmacist1.5%8
Other health professional20.7%107
Lawyer0%0
Consumer or non-health professional3.1%16
Not given0.2%1

Age and sex as stated in the report; the reporter's qualification is the primary source recorded by FDA. 2.3% of reports give the United States as the country of the event or reporter.

Reason for use recorded

Indication as recorded (MedDRA)ReportsShare
Diffuse large b-cell lymphoma31661.1%
Follicular lymphoma428.1%
Mantle cell lymphoma285.4%
Non-hodgkin's lymphoma193.7%
Chronic lymphocytic leukaemia142.7%
B-cell lymphoma61.2%

The indication field is filled in by the reporter and is often blank; shares are of all 517 reports.

In context

MeasureCyclophosphamide Doxorubicin Prednisone VincristineAll reports
Reports as suspect product51720,646,523
Share of that pool—0%
Reports, latest 12 months851,332,454
Marked serious98.8%57.4%
Death recorded among outcomes, per 1,000 reports18291
Hospitalisation recorded, per 1,000 reports161213
Consumer-filed share3.1%45.8%
Top term, share of reportsDisease progression 32.9%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 Cyclophosphamide Doxorubicin Prednisone Vincristine reports

How many adverse event reports has FDA received for Cyclophosphamide Doxorubicin Prednisone Vincristine?

517 reports list Cyclophosphamide Doxorubicin Prednisone Vincristine as a suspect or interacting product in the openFDA FAERS release of 28 Sep 2026, covering reports received through June 2026. 85 of them arrived in the latest 12 months. Another 67 list it only as a concomitant medication.

What reactions are recorded in Cyclophosphamide Doxorubicin Prednisone Vincristine reports?

disease progression (32.9%), lymphoma (25.3%), off label use (25%), malignant neoplasm progression (8.5%) and pyrexia (7.7%). 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 Cyclophosphamide Doxorubicin Prednisone Vincristine was responsible.

How serious are the reports?

98.8% are marked serious by the reporter. Among the outcomes recorded, 18.2% of reports include death and 16.1% 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?

physician (74.5%), other health professional (20.7%) and consumer or non-health professional (3.1%). Most reports reach FDA through the manufacturer, which must forward reports it receives.

Are reports for Cyclophosphamide Doxorubicin Prednisone Vincristine rising?

85 reports in the 12 months to June 2026, up 215% from 27 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 Cyclophosphamide Doxorubicin Prednisone Vincristine 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 Cyclophosphamide Doxorubicin Prednisone Vincristine?

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 Cyclophosphamide Doxorubicin Prednisone Vincristine as a suspect or interacting product; reports listing it only as a concomitant medication (67) 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.