Reaction profile

The FDA adverse-event record for hepatic neoplasm

175 FDA adverse-event reports reference hepatic neoplasm (VeDDRA 507). Plate codes and volume neighbourhood below; species, breeds, and drugs follow.

#1107 of 2,481
by report volume (all reactions)
175
reports citing this reaction
66.3%
death-coded share
Dog
most-affected species

Release-over-release change

What changed in the latest FDA data snapshot

PlainBreed reconstructed the prior snapshot from dated openFDA partitions through 2025 Q4, then compared it with the 2026-07-27 openFDA export. Hepatic neoplasm has 175 reports now versus 173 in that prior snapshot: 2 more (1.2%).

Report change
+2
Death-coded reports
+2
Death-coded share
+0.4 pts

This compares reported-event counts in two source snapshots. It does not establish a change in real-world risk, product safety, or disease incidence.

Subscribe to Hepatic neoplasm changes

FDA AER · VeDDRA plate

Code 507 VOL-LOW

VOL-LOW · DEATH-HOT · MID-PACK · PHOTO-FINISH · SPECIES-DOG · DRUG-LEAD · DESK-WIDE · BOOK-FULL

  • VOL-LOW 175 reports
  • DEATH-HOT 66.3%
  • MID-PACK #1107/2481
  • PHOTO-FINISH Elevated lactate
  • SPECIES-DOG Dog · 167
  • DRUG-LEAD Oclacitinib Malea… · 31
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Elevated lactate (±0 reports)

Upper-third death-coded share drives the outcome stamps on this plate; volume band, corpus rank, and co-report peers follow. Not a clinical diagnosis.

Report-volume neighbourhood around Hepatic neoplasm

Highest and lowest poles plus nearest volume peers, not a full 2,500-reaction corpus board reprint.

Vomiting · highest174348Elevated lactate · near175HEMOGLOBIN(HB) HIGH,… · near175Hepatic neoplasm · this reac…175PR-LYMPH NODE(S), LES… · near175Premature ventricular… · near175Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Hepatic neoplasm

Hepatic neoplasm: high death-coded share in the FDA AER plate

Signature read: Hepatic neoplasm's 66.3% death-coded share is among the highest in the openFDA reaction corpus. Report volume sits in the middle third of the reaction corpus. Death-coded share is upper-third: 116 of 175 reports (66.3% of named reports). Nearest volume peer: Elevated lactate (±0 reports). Lead species Dog (167). Lead co-reported drug Oclacitinib Maleate (31).

Read these counts as reporting volume, not risk: per our methodology, A high death-coded share in FDA filings does not prove causation; co-reporting is voluntary temporal association only. Browse the full reactions index or the about page for how PlainBreed frames FDA CVM extracts.

Species Most Affected

Dog 167
Cat 7
Horse 1

Breeds Most Affected

Retriever - Labrador 22
Dog (unknown) 15
Retriever - Golden 12
Crossbred Canine/dog 11
Shepherd Dog - Australian 9
Schnauzer (unspecified) 6
Beagle 6
Terrier - Yorkshire 5
Shepherd Dog - German 5
Collie - Border 4

Associated Drugs

Oclacitinib Maleate 31
Trilostane 26
Carprofen 22
Milbemycin Oxime + Spinosad 16
Spinosad 10
Maropitant Citrate 8
Polysulfated Glycosaminoglycan 7
Afoxolaner 7
Grapiprant 7
Meloxicam 6
Fluralaner Chew Tablets 6
Moxidectin 5
Ivermectin 5
Bedinvetmab 5
Cyclosporine 4
Deracoxib 4
Ivermectin + Pyrantel As Pamoate Salt 4
Tramadol 4
Milbemycin Oxime 4
Anti-Il31 Mab Mcs Lot #1283563 4

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Hepatic neoplasm, both floored at ≥50 reports so the neighborhoods stay in the advertised mass (the volume chart above is the unfloored photo-finish strip).

Similar death-coded share

Nearest other reactions by death-coded share (66.3% here), distinct from the volume row.

What to do with this reaction

A report does not prove a drug caused the reaction; consult a veterinarian before acting on this data.

Source: FDA Center for Veterinary Medicine openFDA Animal & Veterinary Adverse Events (CVM AER) · 2025

openFDA Animal & Veterinary Adverse Events (FDA CVM) for Hepatic neoplasm (#1107 of 2,481 by report volume); death-coded 66.3%. PlainBreed reaction plate · death-coded share stamp 66.3% · vintage 2025.

Informational only. FDA adverse-event reports are voluntary and do not prove causation; consult a veterinarian before acting on them. Verify with FDA CVM →