Leustatin and Weakness - a phase IV clinical study of FDA data

Summary:

Weakness is reported as a side effect among people who take Leustatin (cladribine), especially for people who are male, 60+ old, have been taking the drug for < 1 month also take Noxafil, and have Hairy cell leukaemia.

The phase IV clinical study analyzes which people have Weakness when taking Leustatin. It is created by eHealthMe based on reports of 512 people who have side effects when taking Leustatin from the FDA, and is updated regularly.

What is Leustatin?

Leustatin has active ingredients of cladribine. It is often used in high blood cholesterol. eHealthMe is studying from 526 Leustatin users. Check the latest studies of Leustatin.

What is Weakness?

Weakness is found to be associated with 3,638 drugs and 6,617 conditions by eHealthMe. Check the latest studies of Weakness.

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, 30, 2026

512 people reported to have side effects when taking Leustatin.
Among them, 19 people (3.71%) have Weakness.

Among these 19 people:

How long have people been on Leustatin when they have Weakness? *

What is the gender of people who have Weakness when taking Leustatin? *

female: 36.84 %
male: 63.16 %

What is the age of people who have Weakness when taking Leustatin? *

What are other drugs people take besides Leustatin? *

What are other side effects people have besides Weakness? *

Fever: 4 people, 21.05%
Swallowing Difficulty: 3 people, 15.79%
Lymphopenia (an abnormally low level of lymphocytes in the blood): 3 people, 15.79%
Acute Kidney Failure: 2 people, 10.53%
Chills (felling of cold): 2 people, 10.53%
Haematotoxicity (toxins that destroy red blood cells): 2 people, 10.53%
Headache (pain in head): 2 people, 10.53%
Toxic Skin Eruption (skin breakdown due to toxic substance): 2 people, 10.53%
Inflammation: 2 people, 10.53%
Insomnia (sleeplessness): 2 people, 10.53%

What are the existing conditions these people have? *

Hairy Cell Leukaemia (a type of blood cancer): 3 people, 15.79%
Systemic Mastocytosis (a condition caused by the accumulation of mast cells in more than one part of the body): 2 people, 10.53%
Neuralgia (pain in one or more nerves): 2 people, 10.53%
Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 2 people, 10.53%
Fever: 2 people, 10.53%
Chest Pain: 2 people, 10.53%
Adverse Event: 2 people, 10.53%
Acute Myeloid Leukaemia Recurrent (acute cancer in which the bone marrow makes abnormal myeloblast- recurrent): 2 people, 10.53%
Stable Angina (a constant chest pain): 1 person, 5.26%
Musculoskeletal Pain (pain affects the bones, muscles, ligaments, tendons, and nerves): 1 person, 5.26%

* Approximation only. Some reports may have incomplete information.

Do you take Leustatin and have Weakness?

- Check whether Weakness 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 Leustatin:

Leustatin (526 reports)

Weakness treatments and more:

Weakness (586,877 reports)

Browse all side effects of Leustatin:

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 Weakness:

Weakness (3,638 drugs)

Browse all the conditions that are associated with Weakness:

Weakness (6,617 conditions)

How the study uses the data?

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