FDA Concept Paper: Drug Products That Present Demonstrable Difficulties for...
...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.....For these reasons, the drug formulation of a TDS product, including the interaction of all TDS components, is highly..
http://www.fda.gov/cder/fdama/difconc.htm (score=100)

MDI and DPI Drug Products
...The guidance sets forth information that should be provided to ensure continuing drug.....an internal reservoir containing sufficient formulation for multiple doses that are.....establish a set of criteria to which a drug substance or drug product should conform using..
http://www.fda.gov/cder/guidance/2180dft.pdf (score=96)

Guideline for Submitting Supporting Documentation
...Approval of reprocessing procedures must be obtained before release of the reprocessed drug or drug.....An amendment should be filed for any significant changes in formulation not proposed in.....List all substances used in the manufacture of a drug product whether or not they appear in the..
http://www.fda.gov/cder/guidance/drugprod.htm (score=70)

Therapeutic Equivalence of Generic Drugs Letter
...For example, brand-name and generic drug product manufacturers may want to change the drug.....FDA works with both brand-name and generic drug product manufacturers after a drug product is in the marketplace to assure its.....Special precautions are not needed when a formulation and/or a manufacturing change occurs..
http://www.fda.gov/cder/news/nightgenlett.htm (score=67)

stability guidance -draft
...Historically, all changes in drug product formulation were grouped together and required.....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..
http://www.fda.gov/cder/guidance/1707dft.pdf (score=59)

Guidance for Industry: Q3C Impurities: Residual Solvents
...The manufacturer could test the drug product to determine if the formulation process reduced.....The maximum administered daily mass of a drug product is 5.0 g, and the drug product contains.....If all excipients and drug substances in a formulation meet the limits given in Option 1, then these components..
http://www.fda.gov/cber/gdlns/q3cresolvent.htm (score=58)

Guidance for Industry: Q3C Impurities: Residual Solvents
...cumulative method may be used to calculate the residual solvent levels in the drug product from.....solvents to be used in the synthesis and formulation of pharmaceutical products should be.....equal to or below that recommended in this guidance, no testing of the drug product for..
http://www.fda.gov/cber/gdlns/q3cresolvent.pdf (score=58)

...20 Ingress or leaching of such chemicals into 21 drug product formulation poses a safety concern for 22.....This increases the likelihood for 6 administration of the wrong drug product by the 7 wrong.....There are many more 19 proprietary chemicals used in the formulation of 20 these adhesives..
http://www.fda.gov/ohrms/dockets/ac/04/transcripts/2004-4040T1.DOC (score=57)

þÿ
...system components are critical to ensure the quality and purity of the drug product and must be.....formulation components or leaching from the container closure system, chemical impurities.....environment, particularly the secondary packaging, can react with the drug product to form..
http://www.fda.gov/cder/guidance/4168dft.pdf (score=56)

/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.....data demonstrating that a drug product containing the polymorph will perform the same as the..
http://www.fda.gov/opacom/morechoices/fdaforms/FDA-3542a.pdf (score=55)

...If FDA finds evidence demonstrating a problem with this or any drug product, it will take.....drug product formulation had been changed. This lack of knowledge may have contributed to the.....In addition, FDA will continue to monitor reports regarding ZGP’s drug product and has..
http://www.fda.gov/cder/drug/infopage/clozapine/clozapine.htm (score=53)

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=51)

Q1B Photostability Testing of New Drug Substances and Products
...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.....Testing should progress until the results demonstrate that the drug product is adequately..
http://www.fda.gov/cder/guidance/1318.htm (score=49)

þÿ
...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.....markers in the skin of humans receiving the drug product may clarify mechanisms of direct..
http://www.fda.gov/cder/guidance/3281dft.pdf (score=49)

Recommendations for Complying With the Pediatric Rule (21 CFR 314.55(a) and...
...Where possible, an estimate of patient exposure to the drug product, with special reference to.....Under the Pediatric Rule you may be required to produce a pediatric formulation if one is.....The drug product does not represent a meaningful therapeutic benefit over existing treatments..
http://www.fda.gov/cder/guidance/3578dft.htm (score=48)

...The drug product's formulation provides consistent pharmacokinetic performance between individual dosage.....Systemic exposure patterns reflect both release of the drug substance from the drug product and a series of possible.....In each comparison, the new formulation or new method of manufacture is the test product and the prior..
http://www.fda.gov/cder/guidance/5356fnl.doc (score=48)

...Where possible, an estimate of patient exposure to the drug product, with special reference to.....Under the Pediatric Rule you may be required to produce a pediatric formulation if one is.....Pre-investigational new drug application meetings should include plans for studying the drug..
http://www.fda.gov/cder/guidance/3578dft.doc (score=48)

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=48)

Federal Register: August 14, 1997 (Volume 62, Number 157
...A citizen petition claiming that a particular drug product is not subject to the new drug.....Another study estimated that the levothyroxine content of the old formulation was.....A citizen petition that contends that a particular drug product is not subject to the new drug..
http://www.fda.gov/cder/fedreg/fr14au97-83.htm (score=47)

...Information regarding the ultraviolet/visible radiation absorption spectrum for the drug substance or drug.....A photoactive chemical can be the parent drug or an excipient in a drug product, or it can be a metabolite, impurity, or.....General Considerations for Testing a Drug Product or Drug Substance For most drugs, it is..
http://www.fda.gov/cder/guidance/3640fnl.doc (score=47)

Las Vegas Injury Lawyer