Kesimpta and Scratch - a phase IV clinical study of FDA data

Summary:

Scratch is reported as a side effect among people who take Kesimpta (ofatumumab), especially for people who are female, 50-59 old, also take Melatonin, and have Multiple sclerosis.

The phase IV clinical study analyzes which people have Scratch when taking Kesimpta. It is created by eHealthMe based on reports of 36,581 people who have side effects when taking Kesimpta from the FDA, and is updated regularly.

What is Kesimpta?

Kesimpta has active ingredients of ofatumumab. eHealthMe is studying from 36,592 Kesimpta users. Check the latest studies of Kesimpta.

What is Scratch?

Scratch is found to be associated with 689 drugs and 749 conditions by eHealthMe. Check the latest studies of Scratch.

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, 02, 2026

36,581 people reported to have side effects when taking Kesimpta.
Among them, 19 people (0.05%) have Scratch.

Among these 19 people:

What is the gender of people who have Scratch when taking Kesimpta? *

female: 89.47 %
male: 10.53 %

What is the age of people who have Scratch when taking Kesimpta? *

What are other drugs people take besides Kesimpta? *

What are other side effects people have besides Scratch? *

Itching: 5 people, 26.32%
Fatigue (feeling of tiredness): 4 people, 21.05%
Head Injury: 4 people, 21.05%
Headache (pain in head): 4 people, 21.05%
Fall: 4 people, 21.05%
Skin Haemorrhage (bleeding into skin): 3 people, 15.79%
Ear Haemorrhage (bleeding from ear): 2 people, 10.53%
Foot Fracture: 2 people, 10.53%
Heart Rate Irregular: 2 people, 10.53%
Fainting (loss of consciousness and postural tone): 2 people, 10.53%

What are the existing conditions these people have? *

Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 9 people, 47.37%
Relapsing-Remitting Multiple Sclerosis (reoccurrence of an inflammatory disease in which the insulating covers of nerve cells in the brain and spinal cord are damaged): 3 people, 15.79%
Progressive Multiple Sclerosis (chronic autoimmune disease of the central nervous system in which gradual destruction of myelin occurs in patches throughout the brain or spinal cord): 2 people, 10.53%
Clinically Isolated Syndrome (individual's first neurological episode, caused by inflammation or demyelination of nerve tissue): 2 people, 10.53%

* Approximation only. Some reports may have incomplete information.

Do you take Kesimpta and have Scratch?

- Check whether Scratch 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 Kesimpta:

Kesimpta (36,592 reports)

Scratch treatments and more:

Scratch (10,633 reports)

Browse all side effects of Kesimpta:

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 Scratch:

Scratch (689 drugs)

Browse all the conditions that are associated with Scratch:

Scratch (749 conditions)

How the study uses the data?

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