Mutual Pharmaceutical Co. v. Iyax Pharmaceuticals, Inc.

459 F. Supp. 2d 925, 2006 U.S. Dist. LEXIS 94947, 2006 WL 3026246
CourtDistrict Court, C.D. California
DecidedOctober 17, 2006
DocketCV-06-4474-SGL(JCX)
StatusPublished
Cited by16 cases

This text of 459 F. Supp. 2d 925 (Mutual Pharmaceutical Co. v. Iyax Pharmaceuticals, Inc.) is published on Counsel Stack Legal Research, covering District Court, C.D. California primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook
Mutual Pharmaceutical Co. v. Iyax Pharmaceuticals, Inc., 459 F. Supp. 2d 925, 2006 U.S. Dist. LEXIS 94947, 2006 WL 3026246 (C.D. Cal. 2006).

Opinion

ORDER GRANTING IN PART AND DENYING IN PART MOTION FOR PRELIMINARY INJUNCTION

LARSON, District Judge.

Presently before the Court are plaintiffs Mutual Pharmaceutical Company, Inc., AR Scientific, Inc., and AR Holding Company, Inc.’s (collectively “Mutual”) motion for a preliminary injunction, defendants Ivax Pharmaceuticals, Inc. (“Ivax”), Zenith Goldline Pharmaceuticals, Inc. (“Zenith”) and intervenor Teva Pharmaceuticals, USA’s (“Teva”) opposition thereto, and Mutual’s reply. For the reasons set forth below, the motion for preliminary injunction is GRANTED IN PART AND DENIED IN PART.

Mutual’s business “focuses on drug development, marketing and distribution” of “a wide range of products, including quinine sulfate [that is used] for [the] treatment of malaria.” (Comply 23). Malaria is an ancient disease caused by parasites in the blood that is most often transmitted to humans through mosquito bites, and whose principle symptoms are “severe fever and headache” that can rapidly progress to “coma, renal failure, pulmonary edema, and ultimately, death.” (Deck Joseph M. Vinetz ¶ 4). Quinine is a white crystalline alkaloid that slows the growth or kills the parasites in the blood that cause malaria. See http://en.wikipedia.org/wiki/Quinine. Quinine was first used by the Quechua Indians of Peru who extracted it from the bark of the native cinchona tree to halt shivering brought on by cold temperatures. Id. Indeed, the name “Quinine” is derived from the original Quechua word for the cinchona tree bark, “Quina” or “Quina-Quina,” which roughly means “bark of bark” or “holly bark”. Id. Quinine was later introduced to Europe by missionaries who had observed its use in Peru. It was used to treat malaria as early as 1631 in Rome, where the disease was endemic to the swamps and marshes surrounding the city. Id. The large scale use of quinine as a prophylactic for the treatment of malaria started around 1850. Id. In the years that followed, cinchona bark became one of the most valuable commodities shipped from Peru to Europe. Id. To this day cinchona trees remain the most practical source of quinine. Id.

Despite its long-term usage, “the Food and Drug Administration (‘FDA’) halted the sale and distribution of all marketed over-the-counter quinine sulfate products [in the United States] in 1998,” see Drug Products Containing Quinine for the Treatment and/or Prevention of Malaria for Over-the-Counter Human Use, 63 Fed.Reg. 13526-01 (to be codified at 21 C.F.R. pt. 310 subpt. E), leaving a doctor’s prescription as the only means of obtaining the drug. (Comply 8). The ban on over-the-counter (“OTC”) sales of quinine sulfate was precipitated by evidence demonstrating adverse consequences from use of the drug without the supervision and care of a physician. (Id.) “For example, ... from 1969 through June 1992, the FDA received 157 reports of health problems related to quinine use, including 23 that resulted in death. Other problems included temporary sight and hearing disturbances, dizziness, fever, nausea, vomiting, and diarrhea,” as well as “thrombocy-topenia, a destruction of blood platelets that can lead to massive bleeding and sometimes death.” (Id.). Such adverse *929 consequences in OTC use of the drug can be traced in some measure to the fact that quinine sulfate “has a narrow therapeutic index” between the level at which its presence in the blood is considered therapeutic and “toxic.” (Decl. Joseph M. Vinetz ¶ 7). Such a narrow margin for safety can become problematic for lay users who, without the supervision and care of a physician, do not have or follow “accurate dosage and instructions-for-use” information for using quinine to treat malaria. (Id.)

For more than six years following the FDA’s action, the market for quinine sulfate was filled by drug makers marketing and selling unapproved prescription quinine sulfate. See 63 Fed.Reg. 13526-01, 13526 (noting that further dispensation of quinine after removal of OTC availability for drug would require “application or abbreviated application approved under section 505 of the [FDCA] and 21 CFR part 314 ... for marketing[,][i]n the absence of [which] ... these products are considered misbranded”). Mutual sought to remedy this void by submitting to the FDA on January 21, 2004, an Investigational New Drug application (“IND”) for the treatment of symptoms of imported drug-resistant, uncomplicated malaria by quinine sulfate. (Compl. ¶ 42; Decl. Robert Dettery ¶ 8). Contained with the submission were “literature references” to pharmacokinetic studies on the effects of quinine sulfate between different age (pediatric patients, elderly individuals) and health (those with or without normal renal or liver functions) subgroups of healthy individuals and those with uncomplicated malaria, as well as “21 randomized, active-controlled clinical studies” concerning quinine therapy for the treatment of uncomplicated malaria “identified from over 1300 historical references in the published literature.” (Decl. Robert Dettery ¶¶ 8-9). On February 13, 2004, Mutual also submitted a request for orphan drug designation of its 324-mg quinine sulfate capsule. (Decl. Robert Det-tery ¶ 11; Compl. ¶ 42). Mutual then filed a New Drug Application (“NDA”) No. 21-799 with the FDA in October, 2004, for its 324-mg quinine sulfate capsules. (Decl. Robert Dettery ¶ 9; Compl. ¶ 42).

In August, 2005, Mutual obtained FDA approval to market its 324-mg quinine sulfate capsule for the treatment of uncomplicated Plasmodium falciparum malaria (hereinafter “uncomplicated malaria”) based on the information submitted by Mutual in connection with its IND. (Decl. Robert Dettery ¶ 9; Compl. ¶ 43). To obtain FDA approval, Mutual agreed to sponsor, among other things, a study “in humans to determine the single dose relative bioavailability of Mutual’s” 324-mg quinine sulfate capsules “against” those of the 300-mg quinine sulfate tablets “manufactured by the Government Pharmaceutical Organization, Bangkok, Thailand.” (Decl. Robert Dettery ¶ 9). Information from this study was “incorporated into the final instructions for use that was approved by [the] FDA for Mutual’s quinine sulfate 324-mg capsules.” (Id.)

Mutual’s quinine sulfate capsule is marketed under the trademark Qualaquin. (Comply 4). The FDA, pursuant to the Orphan Drug Act amendments to the Food, Drug, and Cosmetics Act (“FDCA”), see 21 U.S.C. § SbOaa-ee, 1 designated Mu *930 tual’s 324r-mg quinine sulfate capsule as an orphan drug and further granted Mutual a 7-year period (ending in August, 2012) to exclusively market its quinine sulfate capsule for the treatment of uncomplicated malaria. The FDA confirmed this action in the Approved Drug Products with Therapeutic Equivalence Evaluations (the “Orange Book”) published by the FDA’s Office of Generic Drugs. (Comply 5). Relying on this grant, Mutual began distributing and marketing its Qualaquin in July, 2006, through its affiliates, AR Scientific, Inc. and AR Holding Company, Inc.

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Bluebook (online)
459 F. Supp. 2d 925, 2006 U.S. Dist. LEXIS 94947, 2006 WL 3026246, Counsel Stack Legal Research, https://law.counselstack.com/opinion/mutual-pharmaceutical-co-v-iyax-pharmaceuticals-inc-cacd-2006.