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P.SAI SINDHU
II/II M.PHARMACY
REGULATORY AFFAIRS
An analysis of the warning letters issued by
the
FDA to pharmaceutical manufacturers
regarding misleading health outcomes claims
ABSTRACT
 To evaluate the number and type of warning letters issued by the US
Food and Drug Administration (FDA) to pharmaceutical
manufacturers for promotional violations.
 The various promotional materials include print advertisements,
broadcast advertisements, and visual aids which are commonly used
by sales representatives
Introduction
• The Division of Drug, Marketing, Advertising and Communications
(DDMAC) is the unit within the FDA’s Center for Drug Evaluation
and Research (CDER), which is concerned with the regulation of
prescription drug promotion and oversees all the promotional
activities.
• the aim was to identify the primary focus of promotional claim
violations in warning letters, whether it was clinical, quality of life, or
economic.
METHODS
1
• http://www.fda.gov/cder/warn.
2
• Claims were classified based on the Economic, Clinical, and
Humanistic Outcomes model, namely misleading economic,
clinical, and QoL outcome claims.
3
• Each warning letter was reviewed by two individuals and entered
into a database in Microsoft Excel.
4
• A third reviewer arbitrated any form of disagreement. Descriptive
analysis was conducted using SAS
RESULTS & DISCUSSION
Characteristics of misleading claims in warning letters issued by
FDA
Type of claim frequency Percentage of
total claims
Overstatement of efficacy or unsubstantiated efficacy
claims
34 18.6
Comparison of clinical effectiveness/superiority claims 24 13.1
Unsubstantiated safety & tolerability claims 5 2.7
Broadening ofindication claims 25 13.7
Omission/minimization of risk information 56 30.6
Unsubstantiated Q.O.L claims 1 0.5
Misleading claims 2 1.1
Cost superiority claim 1 0.5
CONCLUSIONS
Majority of the misleading
claims were clinical in
nature and contained
promotional materials
directed to physicians.
 Inadequate promotion of
medications may lead to
irrational prescribing.
The current study
emphasizes the importance
of disseminating reliable,
credible, and scientific
information, to the target
audience.
REFERENCES
Center for Drug Evaluation and Research, Division
of Drug, Marketing, Advertising and
Communications. Description. Silver Spring, (MD):
US FDA.
http://www.fda.gov/AboutFDA/CentersOffices/CDE
R/ucm090279.htm [Accessed November 2009]
Jackson J. FDAMA 1997 Section 114: Another
Look. Value Health.2009;12(2):1-2.
an analysis of warning letters issued by FDA to pharmaceutical manufacturers

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an analysis of warning letters issued by FDA to pharmaceutical manufacturers

  • 1. P.SAI SINDHU II/II M.PHARMACY REGULATORY AFFAIRS An analysis of the warning letters issued by the FDA to pharmaceutical manufacturers regarding misleading health outcomes claims
  • 2. ABSTRACT  To evaluate the number and type of warning letters issued by the US Food and Drug Administration (FDA) to pharmaceutical manufacturers for promotional violations.  The various promotional materials include print advertisements, broadcast advertisements, and visual aids which are commonly used by sales representatives
  • 3. Introduction • The Division of Drug, Marketing, Advertising and Communications (DDMAC) is the unit within the FDA’s Center for Drug Evaluation and Research (CDER), which is concerned with the regulation of prescription drug promotion and oversees all the promotional activities. • the aim was to identify the primary focus of promotional claim violations in warning letters, whether it was clinical, quality of life, or economic.
  • 4. METHODS 1 • http://www.fda.gov/cder/warn. 2 • Claims were classified based on the Economic, Clinical, and Humanistic Outcomes model, namely misleading economic, clinical, and QoL outcome claims. 3 • Each warning letter was reviewed by two individuals and entered into a database in Microsoft Excel. 4 • A third reviewer arbitrated any form of disagreement. Descriptive analysis was conducted using SAS
  • 5. RESULTS & DISCUSSION Characteristics of misleading claims in warning letters issued by FDA Type of claim frequency Percentage of total claims Overstatement of efficacy or unsubstantiated efficacy claims 34 18.6 Comparison of clinical effectiveness/superiority claims 24 13.1 Unsubstantiated safety & tolerability claims 5 2.7 Broadening ofindication claims 25 13.7 Omission/minimization of risk information 56 30.6 Unsubstantiated Q.O.L claims 1 0.5 Misleading claims 2 1.1 Cost superiority claim 1 0.5
  • 6. CONCLUSIONS Majority of the misleading claims were clinical in nature and contained promotional materials directed to physicians.  Inadequate promotion of medications may lead to irrational prescribing. The current study emphasizes the importance of disseminating reliable, credible, and scientific information, to the target audience.
  • 7. REFERENCES Center for Drug Evaluation and Research, Division of Drug, Marketing, Advertising and Communications. Description. Silver Spring, (MD): US FDA. http://www.fda.gov/AboutFDA/CentersOffices/CDE R/ucm090279.htm [Accessed November 2009] Jackson J. FDAMA 1997 Section 114: Another Look. Value Health.2009;12(2):1-2.