FDA Concept Paper: Drug Products That Present Demonstrable Difficulties for...
...Even slight changes in the formulation, drug substance particle size, valve, or actuator can have a major.....A sophisticated formulation of the drug product is required to ensure dosing accuracy and reproducibility, and.....A sophisticated formulation of the drug product is required to ensure dosing accuracy and reproducibility, and the..
http://www.fda.gov/cder/fdama/difconc.htm (score=100)

MDI and DPI Drug Products
...establish a set of criteria to which a drug substance or drug product should conform using.....an internal reservoir containing sufficient formulation for multiple doses that are.....of each facility involved in the manufacturing of the drug substance and excipients should..
http://www.fda.gov/cder/guidance/2180dft.pdf (score=98)

Guideline for Submitting Supporting Documentation
...Approval of reprocessing procedures must be obtained before release of the reprocessed drug or drug.....Contract laboratories performing quality control tests on raw materials, drug substance, or the.....An amendment should be filed for any significant changes in formulation not proposed in..
http://www.fda.gov/cder/guidance/drugprod.htm (score=70)

stability guidance -draft
...this guidance to mean a batch of drug substance or drug product manufactured at the scale typically encountered.....the same formulation of the dosage form in the container and closure proposed for.....Historically, all changes in drug product formulation were grouped together and required..
http://www.fda.gov/cder/guidance/1707dft.pdf (score=62)

Guidance for Industry: Q3C Impurities: Residual Solvents
...The manufacturer could test the drug product to determine if the formulation process reduced.....meets the Option 1 limit, but the drug substance, excipient 2, and drug product do not meet the.....Appropriate selection of the solvent for the synthesis of drug substance may enhance the yield..
http://www.fda.gov/cber/gdlns/q3cresolvent.htm (score=57)

Guidance for Industry: Q3C Impurities: Residual Solvents
...Excipient 1 meets the Option 1 limit, but the drug substance, excipient 2, and drug product do.....solvents to be used in the synthesis and formulation of pharmaceutical products should be.....Appropriate selection of the solvent for the synthesis of drug substance may enhance the yield..
http://www.fda.gov/cber/gdlns/q3cresolvent.pdf (score=57)

/a/content.11865
...For the patent referenced above, provide the following information on the drug substance, drug product and/or.....Drug Product (Composition/Formulation) 3.1 Does the patent claim the drug product, as defined in 21 CFR 314.3, in.....1 Does the patent claim the drug substance that is the active ingredient in the drug..
http://www.fda.gov/opacom/morechoices/fdaforms/FDA-3542a.pdf (score=54)

Guidance for Industry Botanical Drug Products
...These regulations require documentation of the drug substance, drug product, placebo, labeling, and an.....formulation and the individual botanical ingredients within the formulation must be.....one in which the components or ingredients and composition of the drug substance and drug product are kept..
http://www.fda.gov/cder/guidance/4592fnl.htm (score=50)

Drugs@FDA: Glossary of Terms
...The finished dosage form that contains a drug substance, generally, but not necessarily in.....Once approved, an applicant may manufacture and market the generic drug product to provide a.....This includes changes in manufacturing, patient population, and formulation. Tentative..
http://www.fda.gov/cder/drugsatfda/glossary.htm (score=58)

Packaging
...The IND should describe the packaging and labeling used for the drug substance and the dosage.....It should provide an adequate seal, be compatible with the drug product, and not be a source of.....The identity of the source and a description of the formulation(s), process(es), and..
http://www.fda.gov/cder/guidance/package.htm (score=57)

Validation of Chromatographic Methods
...both drug substance and drug product.Detection limit is the lowest concentration of analyte in.....from excipients in the formulation matrix ranging from a simple aqueous..solution to.....Solution stability of the drug substance or drug product after preparation..according to the test method should..
http://www.fda.gov/cder/guidance/cmc3.pdf (score=55)

Drug Product ListingForm FDA 2657
...A bulk drug substance is any substance represented for use in a drug and when in the.....This is the number assigned by the FDA to each site where the drug product listed is.....Print or type all data in English except the product trade name which may be entered as..
http://www.fda.gov/cder/drls/form2657.htm (score=54)

Microsoft Word - 3640fnl.doc
...For topical products that will be applied to sun-exposed skin, FDA recommends that the drug.....ultraviolet/visible radiation absorption spectrum for the drug substance or drug..formulation, as appropriate, is.....nonphotoreactive drug product increased transmission of UV radiation through the skin,resulting..
http://www.fda.gov/cder/guidance/3640fnl.pdf (score=54)

Q1B Photostability Testing of New Drug Substances and Products
...This testing may involve the drug substance alone and/or in simple solutions/suspensions to.....The extent of drug product testing should be established by assessing whether or not acceptable.....These studies are used to identify precautionary measures needed in manufacturing or..
http://www.fda.gov/cder/guidance/1318.htm (score=53)

Substance
...individual batches of the drug substance used in animal and clinical testing, Drug Substance.....relation to the amount of crude product, whether it is filtered while hot, whether a.....Production of a drug substance, whether by synthesis, fermentation, or isolation, usually..
http://www.fda.gov/cder/guidance/drugsub.pdf (score=51)

Guidance- Content & Format CMC for Vaccine & Related Product
...A list should be provided of all components in the drug product, including drug substance(s)and other ingredients, with.....A discussion of any differences in formulation, manufacturing process, or site between the.....trials materials and commercial production batches of drug substance and drug product should be..
http://www.fda.gov/cber/gdlns/cmcvacc.pdf (score=50)

...The drug product's formulation provides consistent pharmacokinetic performance between individual dosage.....Orally Administered Drugs Intended for Local Action Documentation of product quality BA for NDAs where the drug substance produces.....Systemic exposure patterns reflect both release of the drug substance from the drug product and..
http://www.fda.gov/cder/guidance/5356fnl.doc (score=50)

...General Considerations for Testing a Drug Product or Drug Substance For most drugs, it is generally adequate to.....Information regarding the ultraviolet/visible radiation absorption spectrum for the drug substance or drug.....Studies of dermal absorption of the drug substance for one formulation do not necessarily supply relevant data on..
http://www.fda.gov/cder/guidance/3640fnl.doc (score=49)

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...For most drugs, it is generally acceptable to test only the drug substance for phototoxicity.....However, for topical products that will be applied to sun-exposed skin, the drug product, not.....previously studied for phototoxic effects in a new formulation could also warrant testing..
http://www.fda.gov/cder/guidance/3281dft.pdf (score=49)

/a//content.14388
...Mixing, granulating, milling, molding, of components, drug product containers, formulating.....quantitation, selectivity, range, linearity, contamination limits on a substance-by- this.....Therefore, under the Federal Food, all established standards, specifications, Drug, and..
http://www.fda.gov/cder/dmpq/fr5396.pdf (score=49)

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