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Should You Buy Protalix for Its Platform Alone?

One of the best things about being a biotech investor, in my mind, is hunt for companies that are flying under the radar. Protalix Biotherapeutics (NYSEMKT: PLX  ) certainly excels in the "disruptive potential" category and sports a sub-$500 million market cap. The developmental-stage company has had a volatile trip through the market and is far from owning an enviable financial position.

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However, it could have one major competitive advantage compared with other up-and-coming biotechs: its novel platform for manufacturing biologic drugs called ProCellEx. Biomanufacturing capabilities may never grab the headlines quite like a new drug blazing the trails of clinical trials, but without them, the biotech industry would cease to exist. Does that alone justify an investment?  

It starts from the ground up
Traditionally, when companies speak of their technology platforms for which their operations are built upon, they do so regarding drug discovery capabilities. Some companies may specialize in producing drugs targeting a specific molecular pathway, while others may offer a suite of drugs with varying mechanisms of action targeting a specific disease. Protalix has taken a ground-up approach that begins with drug manufacturing capabilities.

ProCellEx is a revolutionary cell culture system that can produce any number of recombinant proteins (enzymes, cytokines, hormones, and monoclonal antibodies). What the heck does that mean? Biologic drugs are produced using cell culture -- the process of growing living cells under highly controlled conditions -- in hosts ranging from human cells to those of zebrafish. Each has its advantages, but believe it or not, Chinese hamster ovary, or CHO, cells are the most widely used cell line in the industry. Take a look at some of the world's best-selling drugs that have been produced using CHO cells:



Disease Type

2012 Worldwide Sales




$9.3 billion

Amgen (NASDAQ: AMGN  ) / Pfizer (NYSE: PFE  )



$8.0 billion




$7.2 billion




$6.3 billion




$2.0 billion

Source: SEC filings.

The importance of manufacturing is heightened in the biologic industry, where each drug and process must gain marketing approval. You can bet that none of the drugs in that table would have become market leaders if not for a robust manufacturing process. Consider Amgen. The company brings in more than $17 billion in annual sales and routinely notches a profit margin above 25%. To ensure that continues to improve for the long haul, Amgen invests heavily in its biomanufacturing capabilities, including more than $1.2 billion in facilities in Puerto Rico and Singapore. It starts from the ground up.

The ProCellEx advantage
Protalix produces biologic drugs from carrot and tobacco cell lines in a novel bioprocess that uses flexible plastic containers as bioreactors instead of large, expensive stainless-steel vessels. Why go through so much trouble to reinvent a process that works fine with CHO cells? Non-plant processes are difficult to increase in scale. Additional volume must be accompanied by additional capacity in filters, piping, and sterilization -- all of which includes costly and timely regulatory reviews to ensure product safety. By contrast, the modularity of ProCellEx allows for easier additions in an all-of-the-above fashion.

Source: Protalix.

The platform also allows Protalix to break into patent-protected markets -- a new manufacturing process equals novelty -- such as anti-TNF proteins. I fear it may be late to the party, but the market can usually make room for safe and effective therapies. Additional advantages over CHO lines include drastically reduced capital and manufacturing costs, minimal loss of biological activity of proteins, and elimination of post-production modifications of proteins.

These advantages have not gone unnoticed. Pfizer partnered with Protalix and was a driving force in gaining approval for Elelyso -- the company's first product -- for type 1 Gaucher disease. The two were squeezed out of European approval thanks to an orphan drug from Shire but should eventually ramp global sales to $200 million or more. Despite the setback, Pfizer remains committed to Elelyso and its manufacturing process.

Not sold yet?
Protalix isn't the first company to see the value in creating novel approaches to biomanufacturing. Alnylam Pharmaceuticals (NASDAQ: ALNY  ) is building a portfolio of intellectual property, through its subsidiary Anylam Biotherapeutics, aimed at disrupting the biologics supply chain. By applying its RNAi technology (silencing genes) to CHO cells, Alnylam can increase the efficiency of biomanufacturing processes throughout the industry by as much as 64%.  

The company is still in the early stages of developing the technology, so it should come as no surprise that the majority of its market value is derived from its pipeline. Nonetheless, with the global biologics industry expected to worth more than $170 billion in 2017, the market will begin to fairly account for game-changing technologies from Protalix and Alnylam. It's only a matter of time.  

Foolish bottom line
While I don't believe anyone should invest on the prospects of a buyout or science alone, there is enough value in Protalix's platform to justify an investment at current prices. The biggest concern I have lies in the immaturity of the company's pipeline. Current funding should get investors through another couple of years of development, but bringing in additional strategic partners would certainly be a boost to investor morale. Nonetheless, making room in your portfolio today for an innovative manufacturing platform should pay dividends for you tomorrow.

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Read/Post Comments (5) | Recommend This Article (3)

Comments from our Foolish Readers

Help us keep this a respectfully Foolish area! This is a place for our readers to discuss, debate, and learn more about the Foolish investing topic you read about above. Help us keep it clean and safe. If you believe a comment is abusive or otherwise violates our Fool's Rules, please report it via the Report this Comment Report this Comment icon found on every comment.

  • Report this Comment On September 23, 2013, at 6:02 AM, gimmee wrote:

    You should only invest in PLX when they have a management team competent enough to leverage that platform in a way that strategically maximizes long term profits and shareholder value. Trying to be a generics drug maker is not that strategy. Their better capitalized competition will always beat them to the punch. Give this technology to all those generic drug manufacturers out there in exchange for royalties on all sales using this technology gives Protalix a small piece of every pie. They need to do it before someone else comes out with a competing platform, gives it away for free (in exchange for royalties) and Protalix will be destroyed by their own imbecility for not seeing this coming.

  • Report this Comment On September 23, 2013, at 6:31 AM, gimmee wrote:

    If Pfizer was smart about it, they'd acquire Protalix and do this very same thing I'm suggesting. That way they'd earn royalties from the generics companies that are trying to copy their drugs, and royalties on copies of other big pharmas drugs. Also if this becomes the industry standard replacing CHO they earn even more royalties. Protalix management does not have the brains or connections to make that happen. They could still leverage their platform by selling the technology to countries who want this technology in order to not keep getting fleeced by big pharma (like Brazil did).

  • Report this Comment On September 23, 2013, at 6:33 AM, gimmee wrote:

    Not to mention the potential bonanza from having a technology that would make oral Enbrel a reality.

  • Report this Comment On September 23, 2013, at 6:37 AM, gimmee wrote:

    And oral every-other-biologic-drug-that-currently-isn't-orally-available because the human digestive tract would destroy it.

  • Report this Comment On October 01, 2013, at 3:37 AM, gimmee wrote:

    Announcing a new strategic direction for the company in which they offer the technology for modest upfront fee for a NON-exclusive license plus 5% future royalty on future sales will have all the generic manufacturers knocking on their door. Signing their first deal with South Korea's Hanwha Chemical will cause their stock price to explode. Hanwha is the South Korean biosimilars manufacture that Merck teamed up with to bring its biosimilar version of Amgen's Enbrel, until the USPTO extended Amgen's patent for another 16 years. Partner with Hanwha and they will get Merck's attention.

    Sign Teva, Hospira and Celltrion right after Hanwha and Protalix's market cap will instantly grow beyond the takeover aspirations of Pfizer.

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