The Troglitazone story

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US Food and Drug Administration

Rezulin approval packages

Approval package APPLICATION NUMBER: 020720/S002,S003,S005. TRADE NAME: Rezulin 200 mg and 400 mg Tablets. GENERIC NAME: Troglitazone. SPONSOR: Parke Davis Pharmaceutical Research.
Approval date: 4 August 1997.

Rezulin (Troglitazone tablets). Company: Parke-Davis Pharmaceutical Research. Application No: 020720/ S12, S14. Indications: Use of Rezulin in combination with metformin and sulfonylurea in patients with type 2 diabetes.
Approval date: 16 September 1999.

Meetings

Endocrinologic and Metabolic Drugs Advisory Committee. (1996)
Meeting no #65. Troglitazone for diabetes mellitus.
Bethesda, MD: United States. Department of Health and Human Services. Food and Drug Administration. Endocrinologic and Metabolic Drugs Advisory Committee, 11 December.

Endocrinologic and Metabolic Drugs Advisory Committee. (1999)
Bethesda, MD: United States. Department of Health and Human Services. Food and Drug Administration. Endocrinologic and Metabolic Drugs Advisory Committee, 26 March.
Meeting no #72 (part 1)
Meeting no #72 (part 2)
Meeting no #72 (part 3)
Meeting no #72 (part 4)
Meeting no #72 (part 5)
Slides presented at the meeting

Endocrinologic and Metabolic Drugs Advisory Committee. (2000)
Meeting no #74.

Bethesda, MD: United States. Department of Health and Human Services. Food and Drug Administration. Endocrinologic and Metabolic Drugs Advisory Committee, 17 May.

Lumpkin, Murray. (2000)
A presentation of the data and rationale for the regulatory action regarding the withdrawal from the U.S. marker of Rezulin (troglitazone, Parke-Davis Pharmaceutical Research, a division of Warner-Lambert) for the treatment of type 2 diabetes. Endocrinologic and Metabolic Drugs Advisory Committee, May 19, 2000. Slides; Slides (Powerpoint).

Storey, Donna (2002)
Evidence presented at the Food and Drug Administration., Center for Drug Evaluation and Research, Drug Safety and Management Advisory Committee Meeting, Wednesday 21 July 2002.

Talk papers and press releases

FDA approves Rezulin for diabetes patients poorly controlled on insulin therapy. 30 January 1997.

New type II diabetes drug may reduce insulin needs. FDA Consumer Magazine April 1997.

Rezulin labeling changes. 3 November 1997.

Patient testing and labeling strengthened for Rezulin. 1 December 1997.

Patient testing, labelling strengthened for diabetes drug. News along the pike December 1997; 3(12):6.

FDA approves rosiglitazone to treat type II diabetes. 26 May 1999.

New labelling and use changes for Rezulin. 16 June 1999.

FDA Approves pioglitazone to treat Type 2 diabetes. 16 July 1999.

Rezulin to be withdrawn from the market. HHS News 2000.

FDA to schedule public discussion of Rezulin. 24 March 2000.

Labelling changes

Summary of safety-related drug labelling changes approved by FDA, April 1997.

Summary of safety-related drug labelling changes approved by FDA, August 1997.

Summary of safety-related drug labelling changes approved by FDA, November 1997.

Summary of safety-related drug labelling changes approved by the FDA, December 1997.

Summary of safety-related drug labelling changes approved by the FDA, July 1998.

Summary of safety-related drug labelling changes approved by the FDA, June 1999.

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Correspondence

Askine, Mark W. (Regulatory Review Officer, Division of Drug Marketing, Advertising and Communications) (1997).
Correspondence to James A Parker, Director, Advertisor and Labelling, Worldwide Regulatory Affairs, Parke-Davis Pharmaceutical Research, 24 February.

Thomson, Diane E. (Associate Commissioner for Legislative Affairs). (1999)
Response to letter from Henry Waxman (18 December 1998), regarding the safety of Rezulin, 25 February.

Jenkins, John K. (Director, Office of Drug Evaluation II, Centre for Drug Evaluation and Research, FDA). (1999)
Correspondence to Mary E Taylor, Director, Worldwide Regulatory Affairs Parke-Davis Pharmaceutical research, 17 June.

Buse, John B. (Associate Professor of Medicine, University of North Carolina and Director of the Diabetes Care Center). (2000)
Letter to Dr Jane Henney (Commissioner of the FDA) regarding the "Citizen"s petition to immediately require class labelling for the diabetes drugs troglitazone (Rezulin), rosiglitazone (Avandia) and pioglitazone (Actos).", 15 March.

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Reports

Graham D, Green L. (2000)
Memorandum. Final report: Liver failure risk with troglitazone (Rezulin) NDA: 20-720.
Bethesda, MD: US Food and Drug Administration. Center for Drug Evaluation and Research, 19 December.

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U.S. National Institutes of Health

Varmus, Henry (Director NIH). (1998)
Letter to Henry Waxman, 29 December 1998, regarding the relationship of Dr Richard Eastman of the National Institute of Diabetes and Digestive and Kidney Diseases with the pharmaceutical company
Warner Lambert. Bethesda, MD: NIH, 29 December 1998.

Varmus, Henry (Director NIH). (1999)
Letter to Henry Waxman, 19 February 1999, responding to Question 5 in Henry Waxman's letter of 7 December 1998.

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U.S. National Institute of Diabetes and Digestive and Kidney Diseases (NIDDKD)

USNIDDKD (1996)
National Institutes of Health asks the question... can Type 2 diabetes be prevented? Bethesda: USNIDDK, 10 June.

USNIDDK (1998)
NIDDK discontinues troglitazone arm of "Diabetes Prevention Program" clinical trial. Bethesda: USNIDDK, 4 June.

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U.S. NIH. National Diabetes Education Program

US. NIH. National Diabetes Education Program. (2004)
Diabetes Prevention Program Fact Sheet.
Bethesda, Md: NDEP.

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U.S. Patent Office

U.S. Patent 4,572,912
Yoshioka, Takao (Hiromachi, JP); Kitazawa, Eiici (Hiromachi, JP); Kurumada, Tomoyuki (Hiromachi, JP); Yamazaki, Mitsuo (Hiromachi, JP); Hasegawa, Kazou (Hiromachi, JP). Thiazolidine derivatives, their preparation and compositions containing them. Assignee: Sankyo Company Limited (Tokyo, JP). Appl. No.: 644996, 28 August 1984.

U.S. Patent 5,478,852
Olefsky, Jerrold (Solano Beach, CA); Antonucci, Tammy (Mequon, WI); Lockwood, Dean (Ann Arbor, MI); Norris, Rebecca (Kewadin, MI). Novel methods of using thiazolidinone derivatives and related antihyperglycemic agents to treat populations experiencing impaired glucose intolerance in order to prevent or delay the onset of noninsulin-dependent diabetes mellitus. Assignee: Sankyo Company, Limited (Tokyo, JP) Appl. No.: 293899, 23 August 1994.

U.S. Patent 5,708,012
Olefsky, Jerrold M. (Solano Beach, CA). The use of thiazolidinedione derivatives and related antihyperglycemic agents in the treatment of insulin resistant subjects with normal glucose tolerance in order to prevent or delay the onset of noninsulin-dependent mellitus. Assignee: Sankyo Company, Limited (Tokyo, JP)
Appl No.: 431266, 28 April 1995.

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UK Committee on Safety of Medicines

Troglitazone (Romozin) withdrawn
Current Problems in Pharmacovigilance, 1997, 23, p. 13.

Sub-Committee on Pharmacovigilance, 29 September 1998.

Summary of the meeting of the Sub-Committee on Pharmacovigilance held on 23 February 1999.

Risk benefit assessment of troglitazone. Paper presented at the Committee on Safety of Medicines meeting 25 February 1999. SCOP 99/1st meeting; CSM 99/4th meeting.

Summary of the meeting of the Sub-Committee on Pharmacovigilance held on 27 April 1999

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