Strensiq and Drug hypersensitivity - a phase IV clinical study of FDA data

Summary:

Drug hypersensitivity is reported as a side effect among people who take Strensiq (asfotase alfa), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Ergocalciferol, and have Hypophosphatasia.

The phase IV clinical study analyzes which people have Drug hypersensitivity when taking Strensiq. It is created by eHealthMe based on reports of 7,139 people who have side effects when taking Strensiq from the FDA, and is updated regularly.

What is Strensiq?

Strensiq has active ingredients of asfotase alfa. eHealthMe is studying from 7,141 Strensiq users. Check the latest studies of Strensiq.

What is Drug hypersensitivity?

Drug hypersensitivity is found to be associated with 2,486 drugs and 2,339 conditions by eHealthMe. Check the latest studies of Drug hypersensitivity.

On Jul, 17, 2026

7,139 people reported to have side effects when taking Strensiq.
Among them, 32 people (0.45%) have Drug hypersensitivity.

Could Strensiq cause Drug hypersensitivity?

Among these 32 people:

How long have people been on Strensiq when they have Drug hypersensitivity? *

What is the gender of people who have Drug hypersensitivity when taking Strensiq? *

female: 83.87 %
male: 16.13 %

What is the age of people who have Drug hypersensitivity when taking Strensiq? *

What are other drugs people take besides Strensiq? *

What are other side effects people have besides Drug hypersensitivity? *

Urticaria (rash of round, red welts on the skin that itch intensely): 6 people, 18.75%
Injection Site Erythema (redness at injection site): 5 people, 15.62%
Injection Site Pain: 5 people, 15.62%
Injection Site Reaction: 5 people, 15.62%
Pain In Extremity: 4 people, 12.50%
Injection Site Mass: 4 people, 12.50%
Paraesthesia (sensation of tingling, tickling, prickling, pricking, or burning of a person's skin with no apparent long-term physical effect): 3 people, 9.38%
Osteoporosis (bones weak and more likely to break): 3 people, 9.38%
Fatigue (feeling of tiredness): 3 people, 9.38%
Joint Pain: 3 people, 9.38%

What are the existing conditions these people have? *

Hypophosphatasia (metabolic bone disease): 20 people, 62.50%
Rickets (softening of bones): 1 person, 3.12%
Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development): 1 person, 3.12%
Hypophosphataemia (electrolyte disturbance in which there is an abnormally low level of phosphate in the blood): 1 person, 3.12%

* Approximation only. Some reports may have incomplete information.

Do you take Strensiq and have Drug hypersensitivity?

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Related studies:

Effectiveness of, long term effects of, and alternative drugs to Strensiq:

Strensiq (7,141 reports)

Browse all side effects of Strensiq:

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 Drug hypersensitivity:

Drug hypersensitivity (2,486 drugs)

Browse all the conditions that are associated with Drug hypersensitivity:

Drug hypersensitivity (2,339 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on asfotase alfa (the active ingredients of Strensiq) and Strensiq (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.