

OCTOBER 9, 2006
SCIENCE & TECHNOLOGY
Boston Scientific's Double Bypass |
First, quality problems with its defibrillators. Now, doubts about the safety of coated stents |
Cue the hand-wringing. New safety concerns about drug-coated stents, including Boston's blockbuster Taxus product, are fueling fears it will lose its leadership of the lucrative $6 billion stent market. Last year that business accounted for 41% of Boston's sales and more than half its profits.
Meanwhile, even as Tobin tries to turn Guidant around, the entire market for that unit's key product--implantable cardioverter defibrillators (ICDs)--has jerked into reverse. After growing 20% for each of the past several years, sales of these $25,000 devices for spotting and correcting abnormal heart rhythms are now falling. The culprit: Guidant's embarrassing string of quality-related recalls last year.
It's doubtful even Tobin expected things to get as bad as they have in recent weeks. With its two key products under fire, Boston warned on Sept. 21 that third-quarter earnings would come in well below expectations. That drove its once high-flying stock below $15, about 46% off from its level when Tobin began bidding for Guidant. At today's prices, Boston is now worth just $22 billion, or $5 billion less than it paid for Guidant. To top it all off, on Sept. 26, J&J sued Boston, Guidant, and Abbott Laboratories for $5.5 billion over the deal, alleging that Guidant leaked confidential information during the negotiations. No wonder critics are howling. "That deal is unfathomable," says Matthew Dodds, a Citigroup (C ) analyst who has a sell recommendation on the stock. "And I don't see any light at the end of the tunnel."
While the troubles mount, Tobin is serene. "We would absolutely do the Guidant deal again today," he insists. Largely thanks to Taxus, Boston's sales have doubled since 2002, to $6.3 billion. But the stent market is now largely saturated. "We need to be $10 billion to make the hit parade" in the medical device market, says Tobin, whose chief rivals are $12 billion Medtronic Inc. (MDT ) and $50 billion J&J. Tobin insists Boston will remain the leader in stents. As for Guidant, "we'll get the problems fixed, the new-product flow will resume, and it will become the growth engine of the company."
Tobin's most pressing challenge is to defend his stent business, which he is counting on to pay off the $8 billion in debt he assumed to buy Guidant. The debate over the safety of such devices has escalated. But Tobin says Boston's own long-term patient data show that "the balance of risk and reward still clearly favors drug-coated stents" such as Taxus over the bare-metal stents they have largely replaced.
CLOT FACTOR
Tobin figures for every 1,000 patients who get a bare-metal stent to clear clogged arteries, 200 will need to repeat the procedure, and 20 will have serious heart attacks. Using a Taxus stent appears to cut that number in half by addressing the reclogging problem--called restenosis.
Long-term results now suggest 5 out of 1,000 Taxus patients will eventually suffer a heart attack triggered by a blood clot. But that's still just 15 heart attacks for Taxus vs. 20 for bare metal, so "you're better off with Taxus," he says.
For now, most cardiologists will probably stick with Taxus or its only U.S. competitor, J&J's Cypher, says Dr. Richard W. Nesto, a cardiologist at Lahey Clinic in Burlington, Mass. Bare-metal stent usage will increase from 10% of all procedures to 15%, he predicts. But there may be a bigger problem for Boston Scientific: The blood clot risk with drug-coated products means "the market is ripe for some new entrants, and if their clinical data is good, there will be major market-share changes," he warns.
In fact, Medtronic, Conor Medsystems (CONR ), and Abbott (ABT ) are all readying new stent offerings in the U.S. Each argues that its products are safer--and cardiologists can jump quickly if they believe a new stent is superior, says Harvard Business School professor Robert Huckman. Boston controls about half the stent market today, figures Jan Ward, an analyst at A.G. Edwards Inc. (AGE ), but by 2009, "they could be left with just 25% to 30%."
All of these players, Boston included, could face fresh hurdles when their new stents are reviewed by the Food & Drug Administration. Given how long it took for problems with drug-coated stents to surface, regulators may hold new products to a tougher standard. Even so, Tobin hopes the FDA next year will approve Boston's Taxus Liberté stent, which is easier to implant than the current Taxus and has already replaced the earlier versions outside the U.S. Boston will also benefit if Abbott's new stent takes off, as it has co-marketing rights on that device. And in late 2008, Tobin hopes to launch a next-generation stent code-named Barracuda. "No one can compete with our continual flow of new technology," says Paul A. LaViolette, Boston's chief operating officer.
The hard part will be mending Guidant's ICD business. After repeated recalls and an FDA warning letter, Guidant's share of the icd market has plunged to 25%, down from 40% two years ago, says Citigroup's Dodds. Tobin now spends nearly every Monday and Tuesday at Guidant's headquarters in St. Paul, Minn., where he's directing the turnaround. He has already brought in new people to head research and development, quality, and manufacturing, as well as to run Guidant's three plants. He has cut the number of projects Guidant is working on, and increased the frequency and intensity of product quality testing.
Guidant's quality problems were a bad blow to the industry. Defibrillators are technological marvels that can bring a patient who suffers sudden cardiac arrest back to life, but fear of malfunctions has caused doctors and patients to think hard. "I call it the sudden-death malaise," says Dr. Eric N. Prystowsky, vice-chairman of the Heart Rhythm Foundation.
Bullish as Tobin is, he doesn't imagine that the problems in his stent and defibrillator businesses can be handled quickly. "Some people say we have a communications problem," he says. "But the real issue is, how do we avoid having anything to communicate?"
It has been producing and marketing its S-Stent in Europe since 2001. It will now market its S-Stent in Japan while awaiting the launch of its BioMatrix drug-eluting stent in Japan.
Biosensors estimates the coronary stent market in Japan to be worth more than US$600m.
Funny that its still marketing the bare metal stent after all the problems with blood clots.
Conor Medsystems May Get Edge
Amid Issues Among Stent Makers
October 4, 2006, WSJ
The growing debate over the safety of drug-coated cardiac stents may be good news for Conor Medsystems Inc.
Conor, a small company based in Menlo Park, Calif., is trying to compete in a more than $5 billion market dominated by medical-device giants Boston Scientific Corp. and Johnson & Johnson. The company may have a chance with an innovative stent that could dodge the blood-clotting worries now rattling the sector. Conor's "CoStar" stent is unlike anything else on the market.
Conor is by no means a sure bet, as it needs more supporting data, and its competitors could create major legal and marketing barriers. But as the safety chatter grows louder, the spotlight on Conor could intensify.
"In my opinion, they certainly will benefit from this debate," said Suraj Kalia, an analyst with Rodman & Renshaw who rates Conor market outperform and has $30 price target on Conor's stock.
Conor shares are up 20% so far this year despite a slide last month following a warning for its third-quarter revenue. Investors already have shown a tendency to separate Conor from other stent makers when signs of market uncertainty arise -- Conor shares gained 6.1% on June 22, a day both Johnson & Johnson and Boston Scientific slipped on stent-market concerns.
At issue for Conor are coronary stents, or tiny metal tubes that prop open arteries. Older, bare-metal stents showed a tendency to trigger scarring that can lead to repeat procedures, so companies developed stents coated with drugs to prevent that from occurring.
Now there is mounting concern that drug-coated stents may increase the risk of blood clots months or years after implantation, a condition called late thrombosis. The cause is uncertain, but polymers used to attach medication, and the medication itself, may play a role.
The issue has triggered debate among companies. Boston Scientific recently acknowledged a slight late-clotting risk with its Taxus drug-coated stent, compared with bare-metal predecessors, and said it believes this is an industry issue. But Johnson & Johnson has argued otherwise, as has Medtronic Inc., a medical-device company with a growing stent program.
Enter Conor's CoStar stent. The device starts out like a drug-eluting device, emitting medication from tiny reservoirs rather than a coating. After six months, the medication is gone and the polymer is absorbed by the body, leaving CoStar as a bare-metal stent.
Conor believes this transformation bolsters CoStar's safety case. The company's trials so far follow 1,000 patients for as long as a year, and 145 patients for two years, and show no late thrombosis.
CoStar went on sale in certain international markets last year, and was rolled out in Europe early this year. Conor hopes for U.S. introduction in late 2007 or early 2008.
Medtronic's Endeavor drug-coated stent may be Conor's toughest near-term competitor. Endeavor studies -- which are more extensive than CoStar's -- also don't show any evidence of late thrombosis to date. Endeavor has done well in Europe and should hit the U.S. market ahead of CoStar next year, pending regulatory approval.
Scott Ward, president of Medtronic's vascular business, said it is too early to really comment on CoStar, though he noted CoStar uses the same drug as Boston Scientific's Taxus. Conor doesn't "have very much clinical data out in the marketplace," Mr. Ward said.
Michael Boennighausen, Conor's chief financial officer, said the company plans to differentiate CoStar by highlighting its unique technology. Given a choice between two stents with strong safety performance, Conor believes doctors will lean toward a stent where the polymer disappears after six months.
Doctors seem intrigued by bio-absorbable polymers, but as the clotting issue is debated, they also seem bent on seeing more information. The problem with all drug-coated stents, CoStar included, is the need for more long-term data, said Eric Topol, chairman of the department of cardiovascular medicine at Case Western Reserve University in Cleveland.
"It's really too early to know" if a bio-absorbable polymer is the answer, Dr. Topol said. "A lot of things sound really good theoretically."
Conor faces some notable risks. If its safety data turn sour, it loses its key edge. Another threat is patent suits from the imposing competition -- and the medical-device sector is a litigation minefield for even the biggest companies.
Court battles are a concern, but shouldn't block U.S. market entry, analysts said.
Then, there is marketing clout, which Conor's competitors have in abundance. Conor, in contrast, recently disclosed it is expecting weaker third-quarter revenue on a sequential basis, down from $11.3 million in the second quarter, because of summer marketing snafus in Europe by private distributor Biotronik.
Conor plans to market CoStar in the U.S. on its own. Citigroup analyst Matthew Dodds thinks Conor should be fine, and noted Medtronic's rapid start-up with bare-metal stents several years ago. Still, Conor's U.S. market share ceiling is around 8% to 10% as a stand-alone company, said Rodman & Renshaw's Mr. Kalia.
Which leads to another major question -- will Conor be sold? It might be hard for Johnson & Johnson to ignore Conor's potential to enliven the Johnson & Johnson stent pipeline, which isn't drawing rave reviews from analysts.
Write to Jon Kamp at jon.kamp@dowjones.com
CIMB-GK noted that the stock is currently overvalued with hopes pinned on the commercial success of its flagship drug-eluting stent BioMatrix.
"We believe that Biosensors is presently overvalued based on BioMatrix's current risk-reward profile," CIMB-GK analyst Khoo Chen Hsung said in a note.
In its probability analysis, CIMB-GK said Biosensors' current price implies that BioMatrix will be able to capture 5% of the global market.
"We believe that it is premature to take such a bold view and reflects undue complacency with risks that still lie ahead," Khoo said, noting that commercial success for BioMatrix is still many steps away.
Biosensors is still awaiting CE Mark approval to be able to market BioMatrix in Europe.
CIMB-GK forecasts Biosensors will incur a bigger net loss of US$42.8m for the current year to March 2007 from US$22.5m in the previous year. It expects a further net loss of US$6.7m for the company in the year to March 2008 before turning profitable in the following fiscal year.
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[Dow Jones] CIMB starts coverage of Biosensors (B20.SG) with Underperform rating, S$0.76 target price. Says drug-eluting stent BioMatrix is "potentially competitive alternative to current DES offerings" but with 8 next-generation stents entering market in next 3 years, commercial success will depend on clinical trials. BioMatrix awaiting CE Mark approval and yet to begin U.S. FDA trials. CIMB says current share price (flat at 90.5 cents) pricing in 5% market share, which "premature" as it "reflects undue complacency with risks that sill lie ahead".
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