Omacor and Z-e syndrome - a phase IV clinical study of FDA data


Z-e syndrome is reported only by a few people who take Omacor.

The phase IV clinical study analyzes which people take Omacor and have Z-e syndrome. It is created by eHealthMe based on reports of 2,463 people who have side effects while taking Omacor from the FDA, and is updated regularly.

Phase IV trials are used to detect adverse drug outcomes and monitor drug effectiveness in the real world. With medical big data and AI algorithms, eHealthMe is running millions of phase IV trials and makes the results available to the public. Our original studies have been referenced on 600+ medical publications including The Lancet, Mayo Clinic Proceedings, and Nature.

On Jun, 10, 2023

2,463 people reported to have side effects when taking Omacor.
Among them, 2 people (0.08%) have Z-e syndrome.

What is Omacor?

Omacor has active ingredients of omega-3acid ethyl esters. It is often used in high blood cholesterol. eHealthMe is studying from 2,504 Omacor users for its effectiveness, alternative drugs and more.

What is Z-e syndrome?

Z-e syndrome (increased production of the hormone gastrin from a small tumour of pancreas) is found to be associated with 153 drugs and 170 conditions by eHealthMe.

Number of Omacor and Z-e syndrome reports submitted per year:

Could Omacor cause Z-e syndrome?

Gender of people who have Z-e syndrome when taking Omacor *:

  • female: 0.0 %
  • male: 100 %

Age of people who have Z-e syndrome when taking Omacor *:

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 0.0 %
  • 30-39: 0.0 %
  • 40-49: 0.0 %
  • 50-59: 100 %
  • 60+: 0.0 %

Common drugs people take besides Omacor *:

  1. Zemplar: 2 people, 100.00%
  2. Venofer: 2 people, 100.00%
  3. Renagel: 2 people, 100.00%
  4. Plavix: 2 people, 100.00%
  5. Aranesp: 2 people, 100.00%

Common side effects people have besides Z-e syndrome *:

  1. Weight Decreased: 2 people, 100.00%
  2. Pancreatic Carcinoma (pancreatic cancer): 2 people, 100.00%
  3. Jaundice - Yellow Skin (a yellowish pigmentation of the skin): 2 people, 100.00%
  4. Fever: 2 people, 100.00%
  5. Cachexia (loss of weight): 2 people, 100.00%
  6. Anorexia (eating disorder characterized by immoderate food restriction and irrational fear of gaining weight): 2 people, 100.00%

Common conditions people have *:

  1. Hyperparathyroidism Secondary (an abnormally high concentration of parathyroid hormone in the blood, resulting in weakening of the bones through loss of calcium-secondary): 2 people, 100.00%

* Approximation only. Some reports may have incomplete information.

Do you take Omacor and have Z-e syndrome?

Check whether Z-e syndrome is associated with a drug or a condition

How to use the study?

You can discuss the study with your doctor, to ensure that all drug risks and benefits are fully discussed and understood.

Related studies

How severe was Z-e syndrome and when was it recovered:

Expand to all the drugs that have ingredients of omega-3acid ethyl esters:

Alternative drugs to, pros and cons of Omacor:

Common Omacor side effects:

Browse all side effects of Omacor:

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

Z-e syndrome treatments and more:

COVID vaccines that are related to Z-e syndrome:

All the drugs that are associated with Z-e syndrome:

All the conditions that are associated with Z-e syndrome:

How the study uses the data?

The study uses data from the FDA. It is based on omega-3acid ethyl esters (the active ingredients of Omacor) and Omacor (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.

Who is eHealthMe?

With medical big data and proven AI 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 600+ 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: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on 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.

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