What the FDA labels say about taking them together
Bevacizumab and panitumumab
Panitumumab's FDA label of June 23, 2026 names bevacizumab in its warnings and precautions section; the bevacizumab labels PlainMeds reads (4) do not name panitumumab. The panitumumab label: “Mortality and Toxicity with Vectibix in Combination with Bevacizumab and Chemotherapy In an interim analysis of an open-label, multicenter, randomized clinical trial in the first-line setting in patients with mCRC, the …”
Check it at the source: the bevacizumab FDA label on DailyMed (effective March 23, 2026, Amneal Pharmaceuticals LLC); the panitumumab FDA label on DailyMed (effective June 23, 2026, Amgen, Inc).
What does the bevacizumab label say about panitumumab?
Bevacizumab's label (effective March 23, 2026) and its 3 other brand-application labels do not name panitumumab in these sections. A label lists what its studies and reports found; it is not a complete list.
Source: FDA drug label (ALYMSYS), Amneal Pharmaceuticals LLC, effective March 23, 2026 (SPL set 6b4040a2-a5c5-4ff0-ab45-935d7e49cf78), via openFDA; the full label on DailyMed
What does the panitumumab label say about bevacizumab?
Panitumumab label, warnings and precautionsMortality and Toxicity with Vectibix in Combination with Bevacizumab and Chemotherapy In an interim analysis of an open-label, multicenter, randomized clinical trial in the first-line setting in patients with mCRC, the addition of Vectibix to the combination of bevacizumab and chemotherapy resulted in decreased OS and increased incidence of NCI-CTC Grade 3-5 (87% vs 72%) adverse reactions.
Source: FDA drug label (Vectibix), Amgen, Inc, effective June 23, 2026 (SPL set e0fa4bca-f245-4d92-ae29-b0c630a315c2), via openFDA; the full label on DailyMed
These are the labels' own sentences. PlainMeds does not grade interactions; a pharmacist or prescriber can say what they mean for one person's medicines.
Both medicines on the record
| Bevacizumab | Panitumumab | |
|---|---|---|
| Labeled for | Colorectal cancer, Lung cancer | Colorectal cancer |
| Boxed warning | No | Yes |
| Pharmacy cost (NADAC) | n/a | n/a |
| Shortage now | No current entry | No current entry |
Source: FDA NDC Directory, CMS NADAC of October 7, 2026 and the FDA Drug Shortage Database (FDA files October 8, 2026)
What next?
- Check more medicines together
- up to five at once