Neulasta and Muscle function loss - a phase IV clinical study of FDA data

Summary:

Muscle function loss is reported as a side effect among people who take Neulasta (pegfilgrastim), especially for people who are female, 50-59 old, have been taking the drug for < 1 month also take Cytoxan, and have Fibromyalgia.

The phase IV clinical study analyzes which people have Muscle function loss when taking Neulasta. It is created by eHealthMe based on reports of 92,148 people who have side effects when taking Neulasta from the FDA, and is updated regularly.

What is Neulasta?

Neulasta has active ingredients of pegfilgrastim. It is often used in agranulocytosis. eHealthMe is studying from 92,286 Neulasta users. Check the latest studies of Neulasta.

What is Muscle function loss?

Muscle function loss is found to be associated with 999 drugs and 1,521 conditions by eHealthMe. Check the latest studies of Muscle function loss.

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

92,148 people reported to have side effects when taking Neulasta.
Among them, 20 people (0.02%) have Muscle function loss.

Could Neulasta cause Muscle function loss?

Among these 20 people:

How long have people been on Neulasta when they have Muscle function loss? *

What is the gender of people who have Muscle function loss when taking Neulasta? *

female: 70 %
male: 30 %

What is the age of people who have Muscle function loss when taking Neulasta? *

What are other drugs people take besides Neulasta? *

What are other side effects people have besides Muscle function loss? *

Weakness: 14 people, 70.00%
Hypoaesthesia (reduced sense of touch or sensation): 14 people, 70.00%
Fatigue (feeling of tiredness): 13 people, 65.00%
Joint Pain: 12 people, 60.00%
Pain: 11 people, 55.00%
Muscle Aches (muscle pain): 10 people, 50.00%
Gait Disturbance: 10 people, 50.00%
Chest Pain: 10 people, 50.00%
High Blood Pressure: 10 people, 50.00%
Fall: 10 people, 50.00%

What are the existing conditions these people have? *

Neuropathy Peripheral (surface nerve damage): 7 people, 35.00%
Fibromyalgia (a long-term condition which causes pain all over the body): 7 people, 35.00%
Urinary Incontinence (inability to control the flow of urine and involuntary urination): 1 person, 5.00%
Stress And Anxiety: 1 person, 5.00%
Schizophrenia (a mental disorder characterized by a breakdown of thought processes): 1 person, 5.00%
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): 1 person, 5.00%
Post-Traumatic Stress Disorder: 1 person, 5.00%
Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 1 person, 5.00%
Lambert-Eaton Syndrome (this means your immune system mistakenly targets healthy cells and tissues in the body): 1 person, 5.00%
High Blood Cholesterol: 1 person, 5.00%

* Approximation only. Some reports may have incomplete information.

Do you take Neulasta and have Muscle function loss?

- Check whether Muscle function loss 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 Neulasta:

Neulasta (92,286 reports)

Browse all side effects of Neulasta:

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 Muscle function loss:

Muscle function loss (999 drugs)

Browse all the conditions that are associated with Muscle function loss:

Muscle function loss (1,521 conditions)

Related publications that referenced our studies

Khan A, Yasin Z, "Hyperleukocytosis Caused By Neulasta Complicated By Leukostasis Versus Asymptomatic Uncomplicated Hyperleukocytosis In AML. Two Cases and When To Leukapherese.", Am Soc Hematology, 2017 Jan .
Khan A, Yasin Z, "Hyperleukocytosis Caused By Neulasta Complicated By Leukostasis Versus Asymptomatic Uncomplicated Hyperleukocytosis In AML. Two Cases and When To Leukapherese.", Am Soc Hematology, 2017 Jan .

How the study uses the data?

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