Enbrel and Rheumatoid factor negative - a phase IV clinical study of FDA data

Summary:

Rheumatoid factor negative is reported as a side effect among people who take Enbrel (etanercept), especially for people who are male, 50-59 old, also take Orencia, and have Pain.

The phase IV clinical study analyzes which people have Rheumatoid factor negative when taking Enbrel. It is created by eHealthMe based on reports of 662,905 people who have side effects when taking Enbrel from the FDA, and is updated regularly.

What is Enbrel?

Enbrel has active ingredients of etanercept. It is often used in rheumatoid arthritis. eHealthMe is studying from 664,678 Enbrel users. Check the latest studies of Enbrel.

What is Rheumatoid factor negative?

Rheumatoid factor negative is found to be associated with 32 drugs and 12 conditions by eHealthMe. Check the latest studies of Rheumatoid factor negative.

On Jul, 06, 2026

662,905 people reported to have side effects when taking Enbrel.
Among them, 308 people (0.05%) have Rheumatoid factor negative.

Could Enbrel cause Rheumatoid factor negative?

Among these 308 people:

What is the gender of people who have Rheumatoid factor negative when taking Enbrel? *

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What is the age of people who have Rheumatoid factor negative when taking Enbrel? *

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* Approximation only. Some reports may have incomplete information.

Do you take Enbrel and have Rheumatoid factor negative?

- Check whether Rheumatoid factor negative 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 Enbrel:

Enbrel (664,678 reports)

Rheumatoid factor negative treatments and more:

Rheumatoid factor negative (642 reports)

How severe was Rheumatoid factor negative and when was it recovered:

Rheumatoid factor negative in Enbrel

Expand to all the drugs that have ingredients of etanercept:

Rheumatoid factor negative and drugs with ingredients of etanercept

Sub-studies by gender and age:

Female: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Male: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Browse all side effects of Enbrel:

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 Rheumatoid factor negative:

Rheumatoid factor negative (32 drugs)

Browse all the conditions that are associated with Rheumatoid factor negative:

Rheumatoid factor negative (12 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on etanercept (the active ingredients of Enbrel) and Enbrel (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.