Intron a and Tumor - a phase IV clinical study of FDA data

Summary:

Tumor is reported as a side effect among people who take Intron a (interferon alfa-2b), especially for people who are female, 60+ old, have been taking the drug for 6 - 12 months also take Carbocaine, and have Metastases to bone.

The phase IV clinical study analyzes which people have Tumor when taking Intron a. It is created by eHealthMe based on reports of 9,303 people who have side effects when taking Intron a from the FDA, and is updated regularly.

What is Intron a?

Intron a has active ingredients of interferon alfa-2b. eHealthMe is studying from 9,320 Intron a users. Check the latest studies of Intron a.

What is Tumor?

Tumor is found to be associated with 1,405 drugs and 1,707 conditions by eHealthMe. Check the latest studies of Tumor.

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 Aug, 12, 2026

9,303 people reported to have side effects when taking Intron a.
Among them, 33 people (0.35%) have Tumor.

Among these 33 people:

How long have people been on Intron a when they have Tumor? *

What is the gender of people who have Tumor when taking Intron a? *

female: 75.76 %
male: 24.24 %

What is the age of people who have Tumor when taking Intron a? *

What are other drugs people take besides Intron a? *

What are other side effects people have besides Tumor? *

Weakness: 19 people, 57.58%
Stress And Anxiety: 18 people, 54.55%
Anaemia (lack of blood): 18 people, 54.55%
Pain: 17 people, 51.52%
Confusional State: 16 people, 48.48%
Dizziness: 16 people, 48.48%
Muscle Aches (muscle pain): 16 people, 48.48%
Mouth Ulcers: 16 people, 48.48%
Injury: 15 people, 45.45%
High Blood Pressure: 15 people, 45.45%

What are the existing conditions these people have? *

Pain: 15 people, 45.45%
Metastases To Bone (cancer spreads to bone): 15 people, 45.45%
Renal Cancer Metastatic (cancer of kidney spreads to other part): 2 people, 6.06%
Hepatitis C: 2 people, 6.06%
Renal Cell Carcinoma Stage Unspecified (kidney cancer in unknown stage): 1 person, 3.03%
Mycosis Fungoides (lymphocytes (a type of white blood cell) become malignant (cancerous) and affect the skin): 1 person, 3.03%
Malignant Melanoma Stage Ii (the tumour is either more than 1 but not more than 2 millimetres thick, with ulceration): 1 person, 3.03%
Malignant Melanoma (skin cancer rises from melancytes): 1 person, 3.03%
Human Papilloma Virus Test Positive: 1 person, 3.03%
Haemangioma Acquired (noncancerous, abnormally dense collections of dilated small blood vessels that may occur in the skin or internal organs-acquired): 1 person, 3.03%

* Approximation only. Some reports may have incomplete information.

Do you take Intron a and have Tumor?

- Check whether Tumor 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 Intron a:

Intron a (9,320 reports)

Tumor treatments and more:

Tumor (38,734 reports)

Browse all side effects of Intron a:

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 Tumor:

Tumor (1,405 drugs)

Browse all the conditions that are associated with Tumor:

Tumor (1,707 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on interferon alfa-2b (the active ingredients of Intron a) and Intron a (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.