Xtandi and Aphonia - a phase IV clinical study of FDA data

Summary:

Aphonia is reported as a side effect among people who take Xtandi (enzalutamide), especially for people who are male, 60+ old, have been taking the drug for < 1 month also take Coumadin, and have Prostate cancer.

The phase IV clinical study analyzes which people have Aphonia when taking Xtandi. It is created by eHealthMe based on reports of 51,433 people who have side effects when taking Xtandi from the FDA, and is updated regularly.

What is Xtandi?

Xtandi has active ingredients of enzalutamide. eHealthMe is studying from 51,498 Xtandi users. Check the latest studies of Xtandi.

What is Aphonia?

Aphonia (inability to produce voice) is found to be associated with 882 drugs and 848 conditions by eHealthMe. Check the latest studies of Aphonia.

eHealthMe: drug outcomes in the real world

eHealthMe runs one of the largest post-marketing drug safety studies in the world. We study millions of patients and 5,000 more each day. Our data-driven phase IV clinical trials have been referenced on 800+ peer-reviewed medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Tools to study our phase IV findings are available to the public, anonymous and free >>>.

On Sep, 01, 2026

51,433 people reported to have side effects when taking Xtandi.
Among them, 19 people (0.04%) have Aphonia.

Among these 19 people:

How long have people been on Xtandi when they have Aphonia? *

What is the gender of people who have Aphonia when taking Xtandi? *

female: 0.0 %
male: 100 %

What is the age of people who have Aphonia when taking Xtandi? *

What are other drugs people take besides Xtandi? *

What are other side effects people have besides Aphonia? *

Fatigue (feeling of tiredness): 4 people, 21.05%
Dyspnea (difficult or laboured breathing): 3 people, 15.79%
Headache (pain in head): 3 people, 15.79%
Cough: 3 people, 15.79%
Peripheral Swelling: 2 people, 10.53%
Nausea (feeling of having an urge to vomit): 2 people, 10.53%
Malignant Neoplasm Progression (cancer tumour came back): 2 people, 10.53%
Oesophageal Pain: 2 people, 10.53%
Diarrhea: 2 people, 10.53%
Hot Flush (sudden feelings of heat): 2 people, 10.53%

What are the existing conditions these people have? *

Prostate Cancer: 9 people, 47.37%
Prostate Cancer Metastatic: 3 people, 15.79%
Metastases To Bone (cancer spreads to bone): 2 people, 10.53%
Neoplasm Malignant (cancer tumour): 1 person, 5.26%

* Approximation only. Some reports may have incomplete information.

Do you take Xtandi and have Aphonia?

- Check whether Aphonia 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 Xtandi:

Xtandi (51,498 reports)

Aphonia treatments and more:

Aphonia (15,979 reports)

Browse all side effects of Xtandi:

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 Aphonia:

Aphonia (882 drugs)

Browse all the conditions that are associated with Aphonia:

Aphonia (848 conditions)

How the study uses the data?

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