Zyla Life Sciences v. Wells Pharma

134 F.4th 326
Court of Appeals for the Fifth Circuit·Decided April 10, 2025·No. 23-20533·Published·Cited by 7 cases

Opinion

United States Court of Appeals for the Fifth Circuit

United States Court of Appeals No. 23-20533 Fifth Circuit

____________ FILED April 10, 2025

Zyla Life Sciences, L.L.C., Lyle W. Cayce Clerk

Plaintiff—Appellant/Cross-Appellee,

versus

Wells Pharma of Houston, L.L.C.,

Defendant—Appellee/Cross-Appellant.

Appeal from the United States District Court for the Southern District of Texas USDC No. 4:22-CV-4400

Before Ho, Duncan, and Oldham, Circuit Judges. Andrew S. Oldham, Circuit Judge:

The question presented is whether a State triggers implied obstacles-

and-purposes preemption when it expressly incorporates federal law into state law. The district court held yes. But as the Supreme Court held almost a century ago, “there is no conflict in terms, and no possibility of such conflict , for the state statute makes federal law its own.” California v. Zook, 336 U.S. 725, 735 (1949). Therefore, we reverse.

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I

A

1

All preemption has a constitutional source: the Supremacy Clause. See Philadelphia v. New Jersey, 430 U.S. 141, 142 (1977) (per curiam). In “our federal system, the States possess sovereignty concurrent with that of the Federal Government, subject only to limitations imposed by the Supremacy Clause.” Tafflin v. Levitt, 493 U.S. 455, 458 (1990). Under the Supremacy Clause, any state law that contradicts federal law is preempted. See U.S. Const. art. VI, cl. 2. But barring any contradiction, the States retain their sovereign prerogatives to regulate.

Supreme Court precedent establishes a preemption taxonomy. The first division is between express and implied preemption. Kansas v. Garcia, 589 U.S. 191, 202–03 (2020). Implied preemption is further divided into two types: field preemption and conflict preemption. Id. at 208–211. Conflict preemption is then divided into two more types. The first is impossibility preemption. It arises when it is impossible to obey both state and federal requirements . See Fla. Lime & Avocado Growers, Inc. v. Paul, 373 U.S. 132, 142– 43 (1963). The second is obstacles-and-purposes preemption (the only type of preemption at issue here). It arises when state law “stands as an obstacle to the accomplishment and execution of the full purposes and objectives of Congress.” Hines v. Davidowitz, 312 U.S. 52, 67 (1941). In all these types of preemption, however, “[e]vidence of pre-emptive purpose [must be] sought in the text and structure of the [federal provision] at issue.” CSX Transp., Inc. v. Easterwood, 507 U.S. 658, 664 (1993).

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2

The federal provisions at issue here come from the Federal Food, Drug, and Cosmetic Act (“FDCA”). On June 25, 1938, President Franklin Delano Roosevelt signed the FDCA into law. See Pub. L. No. 75-717, 52 Stat. 1040 (codified as amended at 21 U.S.C. § 301 et seq.). The New Dealers who drafted the FDCA did not start from scratch, though. They responded to perceived weaknesses in the Pure Food and Drugs Act of 1906, Pub. L. No. 59-384, 34 Stat. 768 (repealed 1938), which was signed by Roosevelt’s fifth cousin by blood and uncle by law, President Theodore Roosevelt.

The weaknesses with the 1906 Act were brought into the American consciousness by Arthur Kallet and F.J. Schlink’s 1933 bestseller, 100,000,000 Guinea Pigs: Dangers in Everyday Foods, Drugs, and Cosmetics. See David F. Cavers, The Food, Drug, and Cosmetic Act of 1938: Its Legislative History and Its Substantive Provisions, 6 Law & Contemp. Probs. 2, 5–6 (1939). Kallet and Schlink warned that the American people had been “forced into the role of laboratory guinea pigs” by “the food and drug industries ,” which had “been making profits by experimenting on [Americans] with poisons, irritants, harmful chemical preservatives, and dangerous drugs.” Arthur Kallet & F.J. Schlink, 100,000,000 Guinea Pigs: Dangers in Everyday Foods, Drugs, and Cosmetics 4 (1933). Kallet and Schlink told the stories of men like “William J. A. Bailey, an ex-auto-swindler,” who made his “money by dissolving radium salts in water and selling” the resultant concoction “to rich men to cure their ills.” Id. at 4–5. To the horror of Kallet and Schlink’s readers, “Bailey’s radium water” had “sent at least two men to horrible deaths.” Id. at 5. More horrifying still was Kallet and Schlink’s premonition that “a similar fate may be awaiting scores or hundreds of others who drank this deadly fluid.” Ibid.

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The centerpiece of the new FDCA was § 505. See Richard A. Merrill, The Architecture of Government Regulation of Medical Products, 82 Va. L. Rev. 1753, 1761 (1996). Although that provision “was not among the reforms originally sought by the [FDCA’s] architects,” ibid., it became the focal point of the new FDCA after nearly a hundred Americans died of poisoning from the “Elixir Sulfanilamide” drug sold by the S. E. Massengill Company, see Cavers, supra, at 20. In response to this tragedy, Congress determined that the Federal Government should act to prevent such incidents from occurring in the first place, rather than merely “respond[] to evidence of harm” after it had occurred. Merrill, supra, at 1761. So Congress decided to forbid manufacturers from marketing drugs “without first notifying [the] FDA and allowing it time to assess their safety.” Id. at 1762. After further amendments in 1962, Congress converted this “premarket notification system” into today ’s “premarket approval system.” Id. at 1764–65 (emphasis added). Under today’s system, no one may sell “any new drug” without prior approval from the FDA. See 21 U.S.C. § 355(a).

Ever since the FDCA’s enactment in 1938, Congress has given the Federal Government power to enforce its substantive provisions. See 52 Stat. at 1046. Today, those enforcement provisions are codified at 21 U.S.C. § 337. Subsection (a) authorizes the United States to bring “all . . . proceedings for the enforcement, or to restrain violations,” of the FDCA. And subsection (b) permits States to bring actions to enforce certain provisions of the FDCA.

Originally, the FDCA did not regulate all aspects of drug safety: As relevant here, it left alone the ancient art of compounding. See Thompson v. W. States Med. Ctr., 535 U.S. 357, 362 (2002); see also Judith E. Thompson , A Practical Guide to Contemporary Pharmacy Practice 141 (3d ed. 2009) (discussing compounding’s ancient roots). Compounding fell outside the FDCA’s premarket approval scheme for new

No. 23-20533

drugs. Compounders, after all, do not make new drugs; they merely “combine [], mix[], and alter[]” the “ingredients in” old drugs. Nexus Pharms., Inc. v. Cent. Admixture Pharmacy Servs., 48 F.4th 1040, 1042 (9th Cir. 2022). The goal of compounding is to provide “medication tailored to the needs of an individual patient.” Thompson, 535 U.S. at 360–61. For example, some infants and children might need a certain medication, but the commercially available forms of the medication provide too high a dosage. Thompson, supra, at 142. Other patients might be allergic to some ingredient in the commercially available forms. Ibid. That’s where compounding comes in. Under the original FDCA, and for roughly a half-century thereafter, compounding regulation was “generally left . . . to the States.” Thompson, 535 U.S. at 362.

Eventually, though, the Federal Government grew “concerned . . .

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Zyla Life Sciences v. Wells Pharma, 134 F.4th 326 (5th Cir. 2025).

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