Parsabiv and Muscle twitching - a phase IV clinical study of FDA data

Summary:

Muscle twitching is reported as a side effect among people who take Parsabiv (etelcalcetide), especially for people who are male, 60+ old, have been taking the drug for < 1 month also take Sensipar, and have Hyperparathyroidism secondary.

The phase IV clinical study analyzes which people have Muscle twitching when taking Parsabiv. It is created by eHealthMe based on reports of 3,712 people who have side effects when taking Parsabiv from the FDA, and is updated regularly.

What is Parsabiv?

Parsabiv has active ingredients of etelcalcetide. eHealthMe is studying from 3,712 Parsabiv users. Check the latest studies of Parsabiv.

What is Muscle twitching?

Muscle twitching is found to be associated with 1,238 drugs and 1,905 conditions by eHealthMe. Check the latest studies of Muscle twitching.

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, 27, 2026

3,712 people reported to have side effects when taking Parsabiv.
Among them, 21 people (0.57%) have Muscle twitching.

Among these 21 people:

How long have people been on Parsabiv when they have Muscle twitching? *

What is the gender of people who have Muscle twitching when taking Parsabiv? *

female: 45 %
male: 55 %

What is the age of people who have Muscle twitching when taking Parsabiv? *

What are other drugs people take besides Parsabiv? *

What are other side effects people have besides Muscle twitching? *

Hallucinations (sensations that appear real but are created by your mind): 3 people, 14.29%
Muscle Spasms (muscle contraction): 3 people, 14.29%
Abdominal Discomfort: 2 people, 9.52%
Sleep Disorder: 2 people, 9.52%
Dyspnea (difficult or laboured breathing): 2 people, 9.52%
Blood Calcium Decreased: 1 person, 4.76%
Confusional State: 1 person, 4.76%
Drug Intolerance (drug sensitivity): 1 person, 4.76%
Dyskinesia (abnormality or impairment of voluntary movement): 1 person, 4.76%
Feeling Abnormal: 1 person, 4.76%

What are the existing conditions these people have? *

Hyperparathyroidism Secondary (an abnormally high concentration of parathyroid hormone in the blood, resulting in weakening of the bones through loss of calcium-secondary): 6 people, 28.57%
Secondary Hyperthyroidism: 1 person, 4.76%
Rickets (softening of bones): 1 person, 4.76%
Hyperparathyroidism (an abnormally high concentration of parathyroid hormone in the blood, resulting in weakening of the bones through loss of calcium): 1 person, 4.76%
Bronchitis (inflammation of the mucous membrane in the bronchial tubes): 1 person, 4.76%

* Approximation only. Some reports may have incomplete information.

Do you take Parsabiv and have Muscle twitching?

- Check whether Muscle twitching 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 Parsabiv:

Parsabiv (3,712 reports)

Muscle twitching treatments and more:

Muscle twitching (29,030 reports)

Browse all side effects of Parsabiv:

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 twitching:

Muscle twitching (1,238 drugs)

Browse all the conditions that are associated with Muscle twitching:

Muscle twitching (1,905 conditions)

How the study uses the data?

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