Rhone-Poulenc, Inc., Hess & Clark Div. v. Food and Drug Admin.
Decision Date | 24 November 1980 |
Docket Number | INC,RHONE-POULEN,79-1706,Nos. 79-1694,s. 79-1694 |
Citation | 636 F.2d 750 |
Parties | , 11 Envtl. L. Rep. 20,457 , HESS & CLARK DIVISION, Petitioner, v. FOOD AND DRUG ADMINISTRATION, Respondent. VINELAND LABORATORIES, INC., Petitioner, v. FOOD AND DRUG ADMINISTRATION, Sherwin Gardner, Acting Commissioner of Food and Drugs, Respondents. |
Court | U.S. Court of Appeals — District of Columbia Circuit |
Eugene I. Lambert, Washington, D. C., with whom Richard F. Kingham, Washington, D. C., was on brief, for the petitioner Rhone-Poulenc, Inc., Hess & Clark Division in case No. 79-1694.
Frederick S. Hird, Jr., Washington, D. C., with whom James L. Kaler, Washington, D. C., was on brief, for the petitioner Vineland Laboratories, Inc. in case No. 79-1706.
Donald O. Beers, Associate Chief Counsel for Enforcement, Food and Drug Administration, Rockville, Md., with whom Richard M. Cooper, Chief Counsel, and Robert M. Spiller, Jr., Associate Chief Counsel for Enforcement, Food and Drug Administration, Rockville, Md., and Robert B. Nicholson and Susan J. Atkinson, Attys., Dept. of Justice, Washington, D. C., were on brief for appellees.
Before WRIGHT, Chief Judge, ROBB, Circuit Judge and CORCORAN *, Senior United States District Judge for the District of Columbia.
Opinion PER CURIAM
In Hess & Clark v. FDA, 161 U.S. App.D.C. 395, 495 F.2d 975 (1974) and Chemetron Corp. v. HEW, 161 U.S.App.D.C. 415, 495 F.2d 995 (1974), we held that the Commissioner of the Food and Drug Administration could not withdraw the agency's New Animal Drug Approvals for the drug diethylstilbestrol (DES) 1 without holding an evidentiary hearing. The Agency has now held its hearing, and the Commissioner has again decided to ban DES as an animal drug. His decision is reported at 44 Fed.Reg. 54,851 (1979).
Rhone-Poulenc, Inc. and Vineland Laboratories, Inc. are manufacturers of DES. They have petitioned for review of the Commissioner's order pursuant to 21 U.S.C. § 360b(h) (1976). Because the Commissioner's decision is supported by substantial evidence and his refusal to issue an Environmental Impact Statement (EIS) was proper, we affirm.
A new animal drug may not be marketed until the Commissioner has granted the manufacturer's application for a New Animal Drug Approval. 21 U.S.C. § 360b(d) (1) (1976). The Commissioner may not approve any application until the manufacturer proves that the drug is safe. 21 U.S.C. § 360b(d)(1)(B) (1976). Even if the manufacturer sustains this burden, however, the Commissioner must withdraw his approval whenever he finds that "new evidence ... evaluated together with the evidence available to the (Commissioner) when the application was approved, shows that such drug is not shown to be safe for use under the conditions of use upon the basis of which the application was approved ...." 21 U.S.C. § 360b(e)(1)(B) (1976). This section, referred to by the parties as the "safety clause", was one of two independent grounds relied upon by the Commissioner to withdraw his approval of DES. 2
In the Hess & Clark case we held that the "new evidence" requirement of the safety clause 161 U.S.App.D.C. at 412, 495 F.2d at 992. We must therefore review the record in this case to determine whether the FDA has presented new evidence raising questions about the safety of DES that are sufficiently serious to require the manufacturers to demonstrate that DES is safe. If it has done so, we must then decide whether the manufacturers have met their burden of showing that the drug is safe.
The FDA originally approved the use of DES in animals even though it was known to cause cancer in them. The agency believed that, properly administered, the drug would not remain in any edible portions of the animals receiving it, thereby eliminating any risk to human consumers. When, however, more sophisticated tests for detecting the presence of DES in animal tissues were developed the agency concluded that its belief was erroneous and that small amounts of DES were present in various edible portions of DES-treated animals. The Commissioner contends that the results of these tests meet the "new evidence" standard of the statute.
The Commissioner mainly relied upon radiotracer experiments which revealed the presence of small amounts of DES in cattle. In these studies radioactive carbon atoms were substituted for some of the non-radioactive carbon atoms normally found in the DES molecule. If radioactivity above the normal "background" amount was detected in the tissues of the animals which had been fed this "tagged" DES, it would be an indication that the DES was present. Additional tests were performed to confirm this conclusion. See generally 44 Fed.Reg. at 54,862-65.
Petitioners allege that a number of shortcomings in these experiments should prevent the Commissioner from relying upon them. The Commissioner considered each of these objections, however, and concluded that they were groundless. His conclusions are supported by the opinions of reputable scientists. See, e. g., 44 Fed.Reg. at 54,863, col. 1 & 3 (testimony of Dr. Williams that radioactivity found in the animals by one study was attributable to DES); id. at 54,862-63 ( ); id. at 54,864 ( ); id. at 54,870-71 ( ). Petitioners argue strongly that other expert witnesses drew different conclusions from these data. Our task is not to resolve these scientific disputes, however. The expert opinions cited by the Commissioner constitute substantial evidence in the record supporting his finding that small amounts of DES (or DES conjugates likely to become DES when digested by human beings) are present in the animals. 3 Our inquiry on this issue is therefore at an end. See 21 U.S.C. § 355(h) (1976). 4
The Commissioner did more than merely find that small residues of DES are present in the edible portions of the animals receiving it. He also reviewed the testimony and the scientific literature in an attempt to discover a "no-effect level" for DES, i. e., a dosage level at which DES would not cause cancer or other harmful effects in human beings. He concluded that no such level has been demonstrated and that DES is therefore "not shown to be safe" since there is no proof that small amounts of it are not harmful. 44 Fed.Reg. at 54,873-81.
By proceeding in this manner the Commissioner has met his "initial burden of coming forward with some evidence of the relationship between the residue and safety ...." Hess & Clark, supra at 413, 495 F.2d at 993. He is relying not only on the fact that larger amounts of DES are harmful, but upon studies which conclude that it is impossible to determine a safe level of DES in human beings. This evidence is sufficient to shift the burden of showing the safety of DES to the manufacturers. Id.
Petitioners responded to this burden by attempting to show that DES is similar to estrogens which occur naturally in the human body and that the small amounts of DES found by the Commissioner in the edible portions of the animals are insignificant when compared to the total amount of these naturally occurring estrogens. The Commissioner considered this argument but found that the manufacturers had not sustained their burden of proving that DES is similar to natural estrogens. This conclusion is supported by substantial evidence, see 44 Fed.Reg. at 54,871-73, and we will not disturb it.
Petitioner Vineland Laboratories also contends that the FDA should be bound by its previous determination that 2 parts per billion (ppb) is a safe level of DES in human beings. 5 Because the radiotracer studies reveal the presence of DES at levels smaller than 2 ppb, Vineland argues that the Commissioner must come forward with new evidence that proves that such dosages are unsafe. We note however that the evidence that DES is associated with cancer in human beings first came to light in 1971, after the 2 ppb standard was established. (Testimony of Dr. Raucher, J.A. at 89) This new evidence justified the Commissioner's decision to reevaluate the 2 ppb standard. Although there is no evidence that dosages of 2 ppb or less actually cause cancer or other harmful effects, the Commissioner was properly concerned about the effects of long-term exposures to small amounts of the drug. (Raucher testimony, J.A. at 90-93) He acted correctly by requiring the manufacturers to show that the newly detected residues were below a demonstrable no-effect level. The manufacturers' failure to provide such evidence means that the drug has not been shown to be safe.
Although the Commissioner found that DES leaves residues that cannot be determined to be safe in the edible portions of animals receiving it, this did not end his inquiry. In Hess & Clark v. FDA we held that
(T)he typical issue for the FDA is not the absolute safety of a drug. Most drugs are unsafe in some degree. Rather, the issue for the FDA is whether to allow sale of the drug, usually under specific restrictions. Resolution of this issue inevitably means calculating whether the benefits which the drug produces outweigh the costs of its restricted use.
161 U.S.App.D.C. at 413-14, 495 F.2d at 993-94. (Footnotes omitted)
In his decision the Commissioner characterized this language as dictum and...
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