Regulatory and Washington

NEW YORK — Jewelry maker Tiffany & Co. is suing Costco Wholesale, alleging that the club retailer falsely marketed diamond engagement rings as coming from the New York-based jeweler, according to published reports.

News media reported that Tiffany filed suit against Issaquah, Wash.-based Costco in the Federal District Court in Manhattan.

BOSTON — According to research published Thursday in the New England Journal of Medicine, not all respiratory ailments that generate influenza-like symptoms can be attributed to the flu. The human metapneumovirus — which is not a strain of influenza, is impervious to antiviral medicines like Tamiflu and does not have an available vaccine according to reports — causes just as many hospitalizations and outpatient visits among children as does the flu. 

HOFFMAN ESTATES, Ill. — Sears Holdings, the parent company of mass merchandiser Kmart, is throwing its support behind a bill that would grant states authority to enforce existing sales tax laws and require out-of-state online retailers to collect and remit sales taxes on sales made to their residents.

The Marketplace Fairness Act was sponsored by Sens. Dick Durbin, D-Ill.; Mike Enzi, R-Wyo.; Lamar Alexander, R-Tenn.; and Heidi Heitkamp, D-N.D.; as well as Reps. Steve Womack, R-Ark.; Kristi Noem, R-S.D.; Peter Welch, D-Vt.; and John Conyers, D-Mich.

WASHINGTON — Two Democrats from West Virginia are sponsoring legislation in the House and Senate to combat prescription drug abuse.

ARLINGTON, Va. — The philanthropic arm of the National Association of Chain Drug Stores is supporting various heart-health programs around the country to support a Department of Health and Human Services campaign.

The NACDS Foundation announced the launch of the NACDS Foundation and Million Hearts "Heart to Heart Community Health Fairs," supporting HHS' "Team Up, Pressure Down" campaign. Various initiatives will take place in all 50 states, the District of Columbia and Puerto Rico.

JERUSALEM — The Food and Drug Administration has approved a generic drug for attention deficit hyperactivity disorder made by Teva Pharmaceutical Industries, the Israeli generic drug maker said.

PARSIPPANY, N.J. — Actavis and Mallinckrodt have reached a settlement concerning the former's generic version of an opioid painkiller made by the latter, Actavis said Thursday.

The companies settled patent lawsuit regarding Actavis' generic version of Mallinckrodt's Exalgo (hydromorphone hydrochloride) extended-release tablets in the 32-mg strength. The companies settled litigation regarding the 8-mg, 12-mg and 16-mg strengths last month.

WOODCLIFF LAKE, N.J. — The Food and Drug Administration has granted special designation to a drug made by Eisai for treating thyroid cancer.

The drug maker said Thursday that its experimental drug E7080 (lenvatinib) had received orphan drug designation from the FDA for follicular, medullary, anapestic and metastatic or locally advanced papillary thyroid cancer.