Jakafi and Bundle branch block right - a phase IV clinical study of FDA data

Summary:

Bundle branch block right is reported as a side effect among people who take Jakafi (ruxolitinib phosphate), especially for people who are male, 60+ old, have been taking the drug for < 1 month also take Dexilant, and have Polycythaemia vera.

The phase IV clinical study analyzes which people have Bundle branch block right when taking Jakafi. It is created by eHealthMe based on reports of 56,447 people who have side effects when taking Jakafi from the FDA, and is updated regularly.

What is Jakafi?

Jakafi has active ingredients of ruxolitinib phosphate. It is often used in primary myelofibrosis. eHealthMe is studying from 56,530 Jakafi users. Check the latest studies of Jakafi.

What is Bundle branch block right?

Bundle branch block right (absence of transmission of electric impulses from the atrioventricular (av) bundle of his to the right ventricle) is found to be associated with 763 drugs and 895 conditions by eHealthMe. Check the latest studies of Bundle branch block right.

On Jul, 08, 2026

56,447 people reported to have side effects when taking Jakafi.
Among them, 18 people (0.03%) have Bundle branch block right.

Could Jakafi cause Bundle branch block right?

Among these 18 people:

How long have people been on Jakafi when they have Bundle branch block right? *

What is the gender of people who have Bundle branch block right when taking Jakafi? *

female: 0.0 %
male: 100 %

What is the age of people who have Bundle branch block right when taking Jakafi? *

What are other drugs people take besides Jakafi? *

What are other side effects people have besides Bundle branch block right? *

Splenomegaly (enlargement of spleen): 10 people, 55.56%
White Blood Cell Count Increased: 7 people, 38.89%
Platelet Count Increased: 7 people, 38.89%
Low Density Lipoprotein Increased (cholesterol increased in blood): 7 people, 38.89%
Platelet Disorder: 7 people, 38.89%
Cardiac Murmur (an heart sound in valve abnormality): 7 people, 38.89%
High Blood Cholesterol: 7 people, 38.89%
Aortic Aneurysm (enlargement of an aortic artery caused by a weakening of the artery wall): 7 people, 38.89%
Anaemia (lack of blood): 7 people, 38.89%
Increased Tendency To Bruise (increased tendency to injure the underlying soft tissue or bone): 7 people, 38.89%

What are the existing conditions these people have? *

Polycythaemia Vera (blood disorder in which the bone marrow makes too many red blood cells): 7 people, 38.89%
Hypersensitivity: 2 people, 11.11%
Delusion (a false belief or opinion): 2 people, 11.11%
Chronic Obstructive Pulmonary Disease (a progressive disease that makes it hard to breathe): 2 people, 11.11%
Hyperuricaemia (level of uric acid in the blood that is abnormally high): 1 person, 5.56%
Hyperlipidaemia (presence of excess lipids in the blood): 1 person, 5.56%
High Blood Pressure: 1 person, 5.56%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 1 person, 5.56%
Enlarged Prostate: 1 person, 5.56%
Dermatitis Acneiform (dermatoses including acne vulgaris, rosacea, folliculitis, and perioral dermatitis): 1 person, 5.56%

* Approximation only. Some reports may have incomplete information.

Do you take Jakafi and have Bundle branch block right?

- Check whether Bundle branch block right 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 Jakafi:

Jakafi (56,530 reports)

Browse all side effects of Jakafi:

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 Bundle branch block right:

Bundle branch block right (763 drugs)

Browse all the conditions that are associated with Bundle branch block right:

Bundle branch block right (895 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on ruxolitinib phosphate (the active ingredients of Jakafi) and Jakafi (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.