Vectibix and Atrial fibrillation/flutter - a phase IV clinical study of FDA data

Summary:

Atrial fibrillation/flutter is reported as a side effect among people who take Vectibix (panitumumab), especially for people who are female, 60+ old, have been taking the drug for 1 - 6 months also take Fluorouracil, and have Colorectal cancer metastatic.

The phase IV clinical study analyzes which people have Atrial fibrillation/flutter when taking Vectibix. It is created by eHealthMe based on reports of 8,935 people who have side effects when taking Vectibix from the FDA, and is updated regularly.

What is Vectibix?

Vectibix has active ingredients of panitumumab. eHealthMe is studying from 8,945 Vectibix users. Check the latest studies of Vectibix.

What is Atrial fibrillation/flutter?

Atrial fibrillation/flutter (atrial fibrillation and flutter are abnormal heart rhythms in which the atria, or upper chambers of the heart, are out of sync with the ventricles) is found to be associated with 2,364 drugs and 3,842 conditions by eHealthMe. Check the latest studies of Atrial fibrillation/flutter.

On Jul, 11, 2026

8,935 people reported to have side effects when taking Vectibix.
Among them, 31 people (0.35%) have Atrial fibrillation/flutter.

Could Vectibix cause Atrial fibrillation/flutter?

Among these 31 people:

How long have people been on Vectibix when they have Atrial fibrillation/flutter? *

What is the gender of people who have Atrial fibrillation/flutter when taking Vectibix? *

female: 51.61 %
male: 48.39 %

What is the age of people who have Atrial fibrillation/flutter when taking Vectibix? *

What are other drugs people take besides Vectibix? *

What are other side effects people have besides Atrial fibrillation/flutter? *

Weakness: 6 people, 19.35%
Hypomagnesaemia (electrolyte disturbance in which there is an abnormally low level of magnesium in the blood): 6 people, 19.35%
Ventricular Tachycardia (rapid heartbeat that originates in one of the lower chambers (the ventricles) of the heart): 6 people, 19.35%
Exercise Tolerance Decreased: 5 people, 16.13%
Sepsis (a severe blood infection that can lead to organ failure and death): 4 people, 12.90%
Fever: 4 people, 12.90%
Lung Infiltration (a substance that normally includes fluid, inflammatory exudates or cells that fill a region of lung): 4 people, 12.90%
Respiratory Acidosis (respiratory failure or ventilatory failure, causes the ph of blood and other bodily fluids to decrease): 4 people, 12.90%
Hypotension (abnormally low blood pressure): 4 people, 12.90%
Pulmonary Embolism (blockage of the main artery of the lung): 3 people, 9.68%

What are the existing conditions these people have? *

Colorectal Cancer Metastatic (cancer of colon and rectal spreads to other parts): 9 people, 29.03%
Colon Cancer: 6 people, 19.35%
Rectal Cancer (cancer of rectum): 3 people, 9.68%
High Blood Pressure: 3 people, 9.68%
Staphylococcal Infection (an infection with staphylococcus bacteria): 2 people, 6.45%
Rectal Cancer Metastatic (cancer of rectum spreads to other): 2 people, 6.45%
Dermatitis Acneiform (dermatoses including acne vulgaris, rosacea, folliculitis, and perioral dermatitis): 2 people, 6.45%
Change Of Bowel Habit: 2 people, 6.45%
Abdominal Discomfort: 2 people, 6.45%
Skin Irritation: 1 person, 3.23%

* Approximation only. Some reports may have incomplete information.

Do you take Vectibix and have Atrial fibrillation/flutter?

- Check whether Atrial fibrillation/flutter is associated with a drug or a condition
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously

Related studies:

Effectiveness of, long term effects of, and alternative drugs to Vectibix:

Vectibix (8,945 reports)

Browse all side effects of Vectibix:

a b c d e f g h i j k l m n o p q r s t u v w x y z

Browse all the drugs that are associated with Atrial fibrillation/flutter:

Atrial fibrillation/flutter (2,364 drugs)

Browse all the conditions that are associated with Atrial fibrillation/flutter:

Atrial fibrillation/flutter (3,842 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on panitumumab (the active ingredients of Vectibix) and Vectibix (the brand name). Other drugs that have the same active ingredients (e.g. generic drugs) are not considered. Dosage of drugs is not considered in the study.

How to use the study?

DO NOT STOP MEDICATIONS without first consulting your doctor. If there are any serious or long term adverse effects discovered in the study, discuss the study with your doctor to ensure that proper medication management will be in place if applicable.

Who is eHealthMe?

With medical big data and proven AI/ML algorithms, eHealthMe provides a platform for everyone to run phase IV clinical trials. We study millions of patients and 5,000 more each day. Results of our real-world drug study have been referenced on 800+ peer-reviewed medical publications, including The Lancet, Mayo Clinic Proceedings, and Nature. Our analysis results are available to researchers, health care professionals, patients (testimonials), and software developers (open API).

WARNING, DISCLAIMER, USE FOR PUBLICATION

WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on eHealthMe.com is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a qualified healthcare provider. All information is observation-only. Our phase IV clinical studies alone cannot establish cause-effect relationship. Different individuals may respond to medication in different ways. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. The use of the eHealthMe site and its content is at your own risk.

If you use this eHealthMe study on publication, please acknowledge it with a citation: study title, URL, accessed date.