The 5 Top Pharma Companies Behind the World's Most Expensive Drugs

The world's top pharma companies bring in billions in revenue every year, sometimes from only a few products.

That's the case with each of these top pharma companies. This chart shows the most expensive prescription drugs in the world. The most expensive drug, Soliris, costs patients $409,500 every year.

Here are the seven most expensive drugs in the world:

top pharma companies

Top Pharma Companies and Their Pricey Drugs

Soliris is developed by Alexion Pharmaceuticals Inc. (Nasdaq: ALXN) and is used to treat paroxysmal nocturnal hemoglobinuria (PNH). It's a rare disease that results in the destruction of red blood cells.

In 2014, sales of Soliris climbed 44% to $2.234 billion. ALXN stock is up 17.2% in the last year.

The second most expensive drug is Elaprase, which is developed by Shire Plc. (Nasdaq: SHPG). The drug treats Hunter's syndrome, a genetic disorder that impacts appearance, mental development, organ function, and physical abilities. The drug costs $375,000 per patient per year. In 2014, Shire made $593 million from Elaprase alone. SHPG has gained 18.9% in 2015.

Another one of the world's top pharma companies, BioMarin Pharmaceutical Inc. (Nasdaq: BMRN), makes the list with its drug, Naglazyme. It treats Maroteaux-Lamy syndrome, a metabolic disorder. Each year of treatment costs $365,000 per patient. Naglazyme brought in $334 million in 2014. That was 44% of the company's total sales.

[epom key="ddec3ef33420ef7c9964a4695c349764" redirect="" sourceid="" imported="false"]

Fourth on the list is Cinryze, developed by Shire. It treats hereditary angioedema, a rare disease that creates intense swelling in different parts of the body. Shire made $503 million from Cinryze in 2014.

Myozyme is an orphan drug that treats Pompe disease, a rare and often fatal neuromuscular disorder. One year of treatment on the drug costs patients up to $300,000. The drug is developed by private pharmaceutical firm Genzyme Corp.

Regeneron Pharmceuticals Inc. (Nasdaq: REGN) is another one of the top pharma companies to make the list with its drug, Arcalyst. The drug treats rare inflammatory disorders and costs $250,000 per year.

Last on the list is Fabrazyme, which is used to treat Fabry disease. Patients with the disease will have fatty deposits build up in the body, causing pain and irritation. The drug is also developed by Genzyme Corp., costing $200,000 per year.

While each of the top pharma companies on this list reaps millions from these drugs, their yearly revenues are a far cry from the world's biggest pharmaceutical companies. Here's the full list of pharmaceutical companies by revenue. You won't believe how much money these firms make each year...

Follow me on Twitter @KyleAndersonMM.