- The document presents information on the New Drug Application (NDA) process required by the FDA to obtain approval to market a new drug product in the United States.
- An NDA provides extensive data from non-clinical and clinical studies to establish the safety, efficacy, and appropriate labeling of the drug. It includes chemistry, manufacturing, and controls information as well as clinical data from Phase I-III trials.
- The goals of an NDA are to determine if the drug's benefits outweigh its risks, if its proposed labeling is appropriate, and if the methods used to manufacture and ensure the drug's quality are adequate.
Introduction
Brief description of the drug and the therapeutic class to which it belongs
Chemical and pharmaceutical information
Animal Pharmacolog
Animal Toxicology
Human/Clinical Pharmacology phase I
Therapeutic exploratory trials (Phase II)
Therapeutic confirmatory trials (Phase III)
Special Studies Geriatrics, pediatrics, pregnant or nursing women
Regulatory status in other countries
Prescribing information
Samples and Testing Protocol/s
I. INTRODUCTION
II. DEFINITIONS
III. TYPES OF DRUG MASTER FILES
IV. SUBMISSIONS TO DRUG MASTER FILES
V. AUTHORIZATION TO REFER TO A DRUG MASTER FILE
VI. PROCESSING AND REVIEWING POLICIES
VII. HOLDER OBLIGATIONS
IX. CLOSURE OF A DRUG MASTER FILE.
Introduction
Brief description of the drug and the therapeutic class to which it belongs
Chemical and pharmaceutical information
Animal Pharmacolog
Animal Toxicology
Human/Clinical Pharmacology phase I
Therapeutic exploratory trials (Phase II)
Therapeutic confirmatory trials (Phase III)
Special Studies Geriatrics, pediatrics, pregnant or nursing women
Regulatory status in other countries
Prescribing information
Samples and Testing Protocol/s
I. INTRODUCTION
II. DEFINITIONS
III. TYPES OF DRUG MASTER FILES
IV. SUBMISSIONS TO DRUG MASTER FILES
V. AUTHORIZATION TO REFER TO A DRUG MASTER FILE
VI. PROCESSING AND REVIEWING POLICIES
VII. HOLDER OBLIGATIONS
IX. CLOSURE OF A DRUG MASTER FILE.
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1. • PRESENTD BY :-
• PATIL PRANJAY SADASHIV.
• FIRST YEAR M.PHARM.
• DEPARTMENT OF QUALITY ASSURANCE.
H. R. Patel Institute of Pharmaceutical Education
and Research, Shirpur
NEW DRUG APPLICATION
(NDA)
2. Drug Development Timeline
Discovery/Screening
SYNTHESIS AND
PURIFICATION
ANIMAL
TESTING
Phase I
Phase II
Phase III
Avg.12 month
Adverse event
survellance
product defect reporting
Survey sampling
testing
Post approval
inspection
PRE-CLINICAL
RESEARCH
CLINICAL
STUDIES
NDA
REVIEW
POST
MARKETING
IND
NDA
Approval
Avg.18 mon.
Avg.5 yrs
3. NEW DRUG APPLICATION
• The New Drug Application (NDA) is an application
submitted to U.S.FDA for permission to market a new drug
product in the united states.
• The goals of the NDA are to provide enough information to
permit FDA reviewers to establish the following:
1. Whether the drug is safe and effective in its proposed use(s),
and whether the benefits of the drug outweigh the risks?
2. Whether the drug’s proposed labeling appropriate, and what
should it contain?
3. Are the methods used in manufacturing (Good
Manufacturing Practices; GMP) of the drug and the controls
used to maintain the drug’s quality adequate to preserve the
drug’s identity, strength, quality, and purity?
4. • To legally gather this data on safety and effectiveness in the
U.S., the maker must first obtain an Investigational New Drug
(IND) designation from FDA.
• The documentation required in an NDA is supposed to tell the
drug’s whole story, including,
– What happened during the clinical tests,
– What the ingredients of the drug formulation are,
– The results of the animal studies,
– How the drug behaves in the body, and
– How it is manufactured, processed and packaged.
• Once approval of an NDA is obtained, the new drug can be
legally marketed starting that day in the U.S.
5. • Although the quantity of information and data submitted in
NDAs can vary significantly.
• The components of any NDA are a function of the nature of
the subject drug and the information available to the
applicant at the time of submission.
• The form to use for either NDA or ANDA is Form FDA-
356h, Application to Market a New Drug for Human Use Or
As An Antibiotic Drug For Human Use.
Fundamentals of NDA Submissions
6. NDA Classifications
• CDER classifies new drug applications with a code that reflects both
the type of drug being submitted and its intended uses.
• New Molecular Entity
• New Salt of Previously Approved Drug
• New Formulation of Previously Approved Drug
• New Combination of Two or More Drugs
• Already Marketed Drug Product – Duplication by new manufacturer
• New Indication for Already Marketed Drug ,including switch in status to OTC
(conversion of prescription drug to OTC)
• Already Marketed Drug Product without previously Approved NDA.
7. NDA Requirments
(I) Content and format of application
(II) Formatting, assembling and submitting new drug and antibiotic
applications
(III) NDA summary format and content
(IV) NDA technical sections
(V) Abbreviated new drug application
8. (I) Content and format of application:
Although the exact requirements are a function of the nature of
a specific drug, the NDA must provide all relevant data and
information that a sponsor has collected during the product's
research and development.
9. (Ii) Formatting, assembling and submitting new
drug and antibiotic applications:
A. Application format:
The NDA regulations require the submission of
Archival copy
Review copy.
10. 1. Archival copy:
This is a complete copy of an application submission and is intended
to serve as a reference source for FDA reviewers.
This contains information which not contained in the review copy
2. Review copy:
It is divided into five (or six) sections containing technical and
scientific information required by FDA reviewers. Each of sections of
review copy is separately bound. It should be provided with
following:
• A copy of cover letter.
• A copy of application form (FDA 356h)
• A copy of overall summary
• A copy of index to the entire application
• An index to the specific review section
• Both copies are submitted in hard copy.
11. B. Assembling the application:
1. Folders: Because of the procedure used at the FDA to file
and retrieve material from the document rooms where
applications are kept, it is necessary that applicants use the
colored folders to bind the archival copy and each
technical section. The cover of each folder should bear the
NDA number (if known), name of applicant and name of
drug product.
2. Paper size and binding: All applications must be bound
on the left side of the page using the Unite States standard
size loose leaf page. (8.5″*11″).
3. Pagination: All pages in the application must be
numbered and numbering of review copy pages should be
same as the numbering of corresponding pages in archival
copy.
12. 4. Volume size and identification: Volume submitted in hard copy form
should be no more than 2 inches thick.
5. Packing carton: The box size of 14″*12″*9.5″ is recommended for
shipment of applications to FDA. Because ANDAs are handled and
stored separately, smaller boxes may be appropriate for them.
6. Supplements, Amendments and Post marketing Reports: The
submission format for amendments to pending applications and
supplements to approved applications will be same as an original
application. Each submission will consist of two copies: a complete
archival copy and an appropriately segmented review copy.
Amendments, supplements, resubmissions annual reports and other
correspondence concerning full applications should be addressed to
appropriate FDA reviewing divisions.
13. C. Application content:
Full application:
• a. Archival copy:
The archival copy should confirm the agreement between the
FDA and the applicant. The letter should cite any relevant meetings
by date and topic, and identify one or more persons the FDA may
contact regarding the application. The letter may include any other
information the applicant wishes to convey to the FDA about the
application.
The archival copy is required to contain the following:
– Application form (FDA 356h) it serves as a cover sheet for the
application, contains basic identifying information about the
applicant and the drug product.
– The application form, as well as the index and the summary should
be bound together in a single volume. Patent information on the
applicant’s drug and a patent certification with respect to the drug
should be submitted on a separate piece of paper attached to the
application form itself.
14. (III) NDA SUMMARY FORMAT AND CONTENT:
Summary should provide sufficient detail. Data should be provided in
tabular or graphical form,. Summary should be between 50-200
pages.
A. Annotated package insert:
This section include proposed text of the labeling for the product.
The proposed text of the package labeling must be annotated by
referance to volume and page number to the information in the
summary and in technical sections of the applications.
B. Pharmacological class,scientific rationale,intended use and
potential clinical benefits:
A brief statement should be includded to identify the pharmacological
class of the drug, the scientific rationale for the drug, its intended
use, and its potential clinical benefits.
15. C. Chemistry, Manufacturing and Controls:
This summary must provide overview of the drug substances
and the drug product.
1. Drug substance:
It includes description about of drug substance, physical and
chemical characteristics and stability of the drug
substance.
2. Drug product:
It includes information about:
a. Composition and dosage form
b. Name and address of manufacturer
c. Container and closure system
d. Stability
e. Specifications for drug product and test methods to
assure the specifications
16. D. Foreign Marketing History:
If the product is marketed outside the U.S., regardless of the dosage
form, strength, salt, ester, or complex of the drug, the marketing
history should be provided. This should include a list of countries in
which drug product is marketed, with dates of marketing, if known. It
must also include a list of any countries in which the drug has been
withdrawn for any reason relating to safety or efficacy. Specific
reason for withdrawal should be given.
E. Nonclinical Pharmacology and Toxicology Summary:
It includes information about:
1. Pharmacology studies
2. Acute toxicity studies
3. Multi dose toxicity studies
4. Carcinogenicity studies
5. Special toxicity studies
6. Reproduction studies
7. Mutagenicity studies
8. ADME studies
17. F. Human Pharmacokinetics and Bioavailability Summary:
It includes brief description about bioavailability study of drug,
pharmacokinetic characteristic of active ingredient and dissolution
profile of drug.
G. Microbiology Summary:
It provides summary of results of the microbiologic studies
conducted with anti-infective and antiviral drug. This includes
mechanism of action, antimicrobial spectrum of action and
mechanism of resistance to the drug.
H. Clinical Data Summary and Results of Statistical Analysis:
It is the basis of efficacy and safety that will determine an NDA
approval. The Clinical Data Summary and Results of Statistical
Analysis are divided into several parts as described below:
• Clinical pharmacology
• Overview of Clinical Studies
• Controlled Clinical Studies
• Uncontrolled Clinical Studies
• Other studies and Information
• Safety summary (general Safety Conclusions).
18. (IV) NDA technical sections:
This includes brief description of the following sections.
A. Chemistry, Manufacturing and Controls:
It is the most critical portion of NDA or ANDA .This section must fully describe
the composition of the drug substance (active ingredient), and its synthesis (or
isolation) and purification, as well as applicable process controls, specifications,
and analytical test methods.
B. Nonclinical Pharmacology and Toxicology:
It provides a description or summary of all animal and invitro studies with the
drug.
1. Pharmacology Studies:
2. Acute Toxicity Studies:
3. Sub chronic/Chronic/Carcinogenicity Studies:
4. Special Toxicity Studies
5. Reproduction Studies
6. Mutagenicity Studies
7. ADME Studies
19. C. Human Pharmacokinetics and Bioavailability Section:
• For a new chemical entity (NCE), it is desirable to determine its bioavailability and
pharmacokinetics from the dosage form, except that for certain dosage forms (e.g.,
iv solutions) 100% bioavailability may be assumed.
• For solid oral dosage forms (e.g., capsule or tablet) a bioequivalence study is often
necessary to demonstrate that formulation proposed for marketing is bioequivalent
to whatever formulations may have been employed in early clinical trial.
• The summary should include a table with following pharmacokinetic parameter:
Cmax,AUC, Tmax, kel, Vd, plasma and renal clearance and urine excretion.
D. Microbiology:
This section is of major importance for anti-infective drugs and includes data on the
biochemical basis of the drug’s action and its antimicrobial spectra; any known
mechanisms of resistance to the drug; and clinical laboratory methods.
20. E. Clinical Data Section:
It is the most important and most complicated section of an NDA. It is the part that
provides the safety and efficacy data on the drug for its intended use.
F. Outline of Clinical Section:
It includes
1. List of investigators; List of INDs and NDAs
2. Background / Overview of clinical investigations
3. Clinical pharmacology
4. Controlled clinical studies
5. Uncontrolled clinical studies
6. Other studies and information
7. Integrated summary of efficacy
8. Integrated summary of safety
9. Drug abuse and over dosage information
10. Integrated summary of benefits and risk of drugs
21. G. Samples, Methods Validation and Labeling:
• Samples should not be submitted to the FDA with the application.
The reviewing chemist will contact the applicant and provide the laboratory address
where samples should be sent.
• The applicant should prepare four representative samples in sufficient quantity to
permit FDA to perform each test described in the application three times to
determine whether the drug substance and drug product meet the specification given
in the application.
• The archival copy of an application is required to contain copies of the label and all
labeling proposed for the drug product.
Methods validation data must be provided in triplicate because copies are forwarded
to two FDA laboratories.
H. Case Report Forms and Tabulations:
The sponsor must submit data tabulations from each Phase II and Phase III study
and also the case study report form for every clinical trial patient who died or
withdrew from the study because of an adverse event.
22. I. Patent Information:
Information must be submitted regarding any patent held by the
sponsor that covers the drug substance, formulation, and composition
of the drug product, or method of use. Upon approval of the NDA,
this information is published in the FDA’s Orange Book (known
formally as Approved Drug Products with Therapeutic Equivalence
Evaluations) and serves as a guide to firms wishing to develop generic
copies of the innovator’s product.
J. Patent Certification.
(V) Abbreviated new drug application
23. DATA PRESENTATION FOR FDA SUBMISSION
Followings are the ways to present data that facilitate NDA review of submission.
Text exposition
Tabular presentation
(I) Text exposition:
A. Content:
• Most NDA submission contains enormous amount of data, which cannot be
presented entirely within the body of a document. Although the data collected for
individual patient may be important, critical judgment must be exercised in the
selection of key data for presentation and discussion within a given document.
• Data necessary for the development of specific thesis should be presented within
the body of a document rather than placed into remote appendix which will
impede the review.
• Less important data can be summarized briefly and placed in appendices.
• Data which add nothing to the evaluation of safety or effectiveness of therapeutic
agent, need not be presented at all.
B. Tone:
• The tone of the text should be formal without being stilted. Avoid legal language
on the one hand and colloquial or informal language on the other.
24. C. Conciseness:
• Following are the way of making NDA submission more concise.
1. Keep the language simple and straightforward. Simple language is not unscientific;
rather it promotes clear and fast understanding. Edit out inflated language.
For example,-“prior to the initiation of the study” can be changed to much simpler
“before the study began”.
2. Use acronyms and initialisms to speed up the flow of the text if they are easily
recognized and have been spelled out at first mention. Those that may be confused
with another used in the same document should be spelled out.
3. Eliminate redundancies. A careful review of the text will find many words, phrases
and even sentences that can be omitted. Sentences can often be combined by
deletion of redundant phrases, thus improving the flow of text.
D. Correctness:
• The textual presentation should agree with tabular data in the document; in turn, the
tabular data should agree with the data source.
• When lack of agreement between in-text data and source documents is found, the
reviewer will have to spend more time in evaluating the raw data to be sure of
conclusion.
E. Consistency:
• Consistent punctuation, capitalization, abbreviations, and other styling conventions
are much desired in any document.
25. F. Clarity:
• The FDA reviewer should be able to read an application easily and expeditiously. If
a particular document is not clear, then FDA reviewer will have the problem for
understanding it.
• Clarity is facilitated by careful attention to the following.
Punctuation
Sentence structure and length
Misplaced modifiers
Parallelism
G. Outline of sections and subsections:
The clear relationship of one section with another is critical to the review of a
document. If no definite structure is apparent, the reviewer will become lost.
The decimal system is a very popular outlining system; it is easy to use and
can be set up automatically in current word processing software application. For
e.g., 3.1.2.1.2.1.1.1 is a subsection of 3.1.2.1.2.1.1.
H. Indenting:
Avoid indenting large sections of the text. Most text should be flush to the left
margin with appropriate headers to identify the section. Generally indenting with
bullets are useful to break a large sections of text.
26. (II) Tabular presentation:
• In-text tables should be used to simplify the presentation and substantial reduction in
text. Information from tables should not be repeated in the text except as a part of
concluding statement about the tabular data.
A. Title:
• All tables require concise but descriptive title. Sequence of tables that are similar
should identify their differences in the title, such as at the end of the title after a
colon. (Treatment related adverse events: by Age… ,by Sex… ,by Race).
B. Data source:
• Every table should identify the data source contained in it. This is usually done in
the footnote to the table (data source: statistical table 23, volume XX, p. xx). The
volume and page numbers will be inserted at the end of the project.
C. Footnotes:
Footnotes should be assigned letters, not symbols or numbers, which can be
confused with the data.
D. Orientation:
Portrait tables are always preferable to landscape tables.
27. E. Order of data presentation:
In multiple tables with similar data, present data in the same order as much as
possible. If the first column always has the active drug and the second column has
the placebo or comparative agent, then keep this order throughout the tables.
F. Present meaningful data together:
Try to present the data that will be evaluated and compared as close together as
possible rather than scattered around the table. For e.g., if tabular data represent both
evaluable and non evaluable patients who have been either previously treated or
previously untreated, place the evaluable patient together rather than present them
by previous treatment.
28. Upon receipt of an NDA, the FDA conducts a review of the
application to determine its completeness. Within 60 days, the FDA
either accepts the filing or sends the applicant a “refusal-to-file” letter.
If the applicant receives a “refusal-to-file” letter, they can request a
conference with FDA.
Grounds for refusal to file the application include:
• Form FDA 356h has not been completed.
• The format of the application is not correct.
• One or more item is missing from the content as described in the
regulations.
• The manufacturing facilities are not ready for inspection.
• Complete and accurate translations of all parts of the application not
in English are not included.
• There are no statements regarding GLP compliance for each of the
non clinical studies.
• There are no statements regarding compliance with IRB and informed
consent regulations for each of the clinical studies.
• The drug product is already covered by an approved NDA or ANDA.
29. Drug Sponsor
NDA
Application
Filable?
Yes
No
Refuse to file letter issues
Reviewed by CDER
Medical
Pharmacology
Chemistry
Biopharmaceutical
Statistical
Microbiology
Review complete
and acceptable
Advisory Committee
Meeting
Meeting with Sponsor
30. Labeling review
Acceptable?
Inspections of
sites acceptable?
Yes
NDA action
Sponsor
revices
No
No
Additional info. Or
Revision
Requested or Submitted
(Amendment)
Yes
Yes
Review complete
and acceptable
No
Pending
satisfactory
results
Applicant would ask to submit safety
reports 4 months after initial submission
31. At this stage FDA will send one of three possible action letters to the
applicant :
• One possibility is a “Not Approvable Letter,” which will list the
deficiencies in the NDA and explain why it cannot be approved.
• The second possibility is an “Approvable Letter,” which indicates
that ultimately the drug product should be approved, but lists
minor deficiencies and labeling changes that are needed before an
approval. Requests for commitment for post-approval studies may
be included.
• The third possibility is an “Approval Letter,” it states that the drug
is approved. An applicant may receive both an Approvable Letter
and Approval Letter.
Division director of CDER, signs and approve a letter that the
product can be legally marketed, starting on that date onwards.
32.
33.
34. Reference
1) Prescription New Drug Submission, Regulatory Affairs Professional
Society, 2000, 57-71
2) Richard A. Guarino and Marcel Dekkar, New Drug Approval Process, 2nd
edition,1987,39-319
3) Howard C. Ansel, Pharmaceutical Dosage Forms and Drug Delivery
System, 8th edition, 2006,44-62.
4) www.fda.gov/cder/regulatory/applications/ind_page_1.htm
5) FD&C Act,1987
6) www.fda.gov/cder/ddms/ binders.htm
7) Remington,”The Science and Practice of Pharmacy”, 21st edition, Volume-
1,965.
8) www.fda.gov/cder/guidance/2125fnl.htm
9) http://prsinfo.clinicaltrials.gov/
10) www.fda.gov/cder/regulatory/application/ NDA.htm
11) Mathieu MP. New Drug Development: A Regulatory Overview. Cambridge,
MA: Parexel International Corp; 2002.
12) FDA. Guidance for Industry: Changes to an Approved NDA or ANDA.
Rockville, MD: FDA; April 2004.
13) Charles G. Smith and James T. O’Donnell, The Process of New Drug
Discovery and Development, 2nd edition,1992;473