Sylvant and Death - a phase IV clinical study of FDA data

Summary:

Death is reported as a side effect among people who take Sylvant (siltuximab), especially for people who are male, 60+ old, have been taking the drug for 1 - 6 months also take Decadron, and have Castleman's disease.

The study is created by eHealthMe based on reports of 268 people who have side effects when taking Sylvant from the FDA, and is updated regularly.

What is Sylvant?

Sylvant has active ingredients of siltuximab. eHealthMe is studying from 268 Sylvant users. Check the latest studies of Sylvant.

On Jul, 15, 2026

268 people reported to have side effects when taking Sylvant.
Among them, 19 people (7.09%) died.

Among these 19 people:

How long have people been on Sylvant when they died? *

What is the gender of people who died when taking Sylvant? *

female: 40 %
male: 60 %

What is the age of people who died when taking Sylvant? *

What are other drugs people take besides Sylvant? *

Xgeva: 1 person, 5.26%
Revlimid: 1 person, 5.26%
Lipitor: 1 person, 5.26%
Decadron: 1 person, 5.26%

What are other side effects people have before they died? *

Drug Ineffective: 3 people, 15.79%
Weakness: 1 person, 5.26%
Infusion Related Reaction: 1 person, 5.26%
Gastrointestinal Perforation (hole in the digestive tract): 1 person, 5.26%
Ascites (accumulation of fluid in the abdominal cavity): 1 person, 5.26%
Anaphylaxis (serious allergic reaction that is rapid in onset and may cause death): 1 person, 5.26%

What are the existing conditions these people have? *

Castleman's Disease (a disease of lymph nodes and related tissues): 10 people, 52.63%
Multiple Myeloma (cancer of the plasma cells): 1 person, 5.26%

* Approximation only. Some reports may have incomplete information.

Related studies:

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

Sylvant (268 reports)

Expand to all the drugs that have ingredients of siltuximab:

Death and drugs with ingredients of siltuximab (9 reports)

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 Sylvant:

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 Death:

Death (3,126 drugs)

Browse all the conditions that are associated with Death:

Death (3,686 conditions)

How the study uses the data?

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