Medtronic Inc.’s man-made aortic valve, inserted into the heart without cracking open the chest, reduced patient death rates more than open-heart surgery in the first study to ever record such a finding.
Abbott Laboratories’ experimental hepatitis C treatment cured almost half of patients who couldn’t eliminate the virus with therapies now on the market, according to a study that boosted the company’s shares.
The battle for control of a developing market for heart valves that can be inserted without open-heart surgery intensified today as Edwards Lifesciences Corp.’s second-generation product was found to outperform Medtronic Inc.’s device in a head-to-head comparison.
Johnson & Johnson, the world’s biggest health-care products company, is bolstering its medical device presence in China as some companies struggle with government rules in one of the world’s fastest growing markets.
Medtronic Inc. ghost-wrote sections of medical papers and paid physician authors hundreds of millions of dollars in “consulting fees” to promote its bone- growth product Infuse, a U.S. Senate investigation found.
Johnson & Johnson ’s antipsychotic medicine Risperdal Consta, its third-best-selling drug, fared no better than less expensive treatments at keeping schizophrenia patients out of the hospital, U.S. researchers said.