ドライパウダー吸入器, DPI
WordNet
- without a mucous or watery discharge; "a dry cough"; "that rare thing in the wintertime; a small child with a dry nose"
- become dry or drier; "The laundry dries in the sun" (同)dry out
- remove the moisture from and make dry; "dry clothes"; "dry hair" (同)dry out
- a reformer who opposes the use of intoxicating beverages (同)prohibitionist
- humorously sarcastic or mocking; "dry humor"; "an ironic remark often conveys an intended meaning obliquely"; "an ironic novel"; "an ironical smile"; "with a wry Scottish wit" (同)ironic, ironical, wry
- lacking interest or stimulation; dull and lifeless; "a dry book"; "a dry lecture filled with trivial details"; "dull and juiceless as only book knowledge can be when it is unrelated to...life"- John Mason Brown (同)juiceless
- practicing complete abstinence from alcoholic beverages; "hes been dry for ten years"; "no thank you; I happen to be teetotal" (同)teetotal
- (of food) eaten without a spread or sauce or other garnish; "dry toast"; "dry meat"
- (of liquor) having a low residual sugar content because of decomposition of sugar during fermentation; "a dry white burgundy"; "a dry Bordeaux"
- free from liquid or moisture; lacking natural or normal moisture or depleted of water; or no longer wet; "dry land"; "dry clothes"; "a dry climate"; "dry splintery boards"; "a dry river bed"; "the paint is dry"
- having a large proportion of strong liquor; "a very dry martini is almost straight gin"
- having no adornment or coloration; "dry facts"; "rattled off the facts in a dry mechanical manner"
- lacking moisture or volatile components; "dry paint"
- lacking warmth or emotional involvement; "a dry greeting"; "a dry reading of the lines"; "a dry critique"
- not producing milk; "a dry cow"
- not shedding tears; "dry sobs"; "with dry eyes"
- opposed to or prohibiting the production and sale of alcoholic beverages; "the dry vote led by preachers and bootleggers"; "a dry state"
- unproductive especially of the expected results; "a dry run"; "a mind dry of new ideas"
- used of solid substances in contrast with liquid ones; "dry weight"
- a solid substance in the form of tiny loose particles; a solid that has been pulverized (同)pulverization, pulverisation
- apply powder to; "She powdered her nose"; "The King wears a powdered wig"
- any of various cosmetic or medical preparations dispensed in the form of a pulverized powder
- draw deep into the lungs in by breathing; "Clinton smoked marijuana but never inhaled"
- draw in (air); "Inhale deeply"; "inhale the fresh mountain air"; "The patient has trouble inspiring"; "The lung cancer patient cannot inspire air very well" (同)inspire, breathe in
- a dispenser that produces a chemical vapor to be inhaled in order to relieve nasal congestion (同)inhalator
- consisting of fine particles; "powdered cellulose"; "powdery snow"; "pulverized sugar is prepared from granulated sugar by grinding" (同)powdery, pulverized, pulverised, small-grained, fine-grained
PrepTutorEJDIC
- 『乾いた』,乾燥した / 『雨の降らない』,日照り続きの / 水のかれた,干上がった / (家畜などが)乳の出ない / 涙の出ない / 液状でない,固形の / のどが乾く,のどが乾いた / (パンが)バター(ジャム)などのついていない;(パン・ケーキが)古い,固くなった / ありのままの,飾りけのない,そっけない / (ユーモア・皮肉などが)さりげない / (ぶどう酒などが)辛口の / 禁酒の,禁酒法実施の / …‘を'『乾かす』《+『名』+『up,』+『up』+『名』》 / (手ぬぐい・ハンカチなどで)〈手・足など〉‘を'ぬぐう,ふく《+『名』+『with』(『on』)+『名』》 / (保存のために)〈食物〉‘を'乾燥させる / 『乾く』,〈水が〉かれる《+『up』(『out』)》
- 〈U〉〈C〉『粉』,粉末 / 〈U〉おしろい / 〈U〉〈C〉粉薬 / 〈U〉火薬,爆薬(gunpowder) / 〈U〉粉雪 / …‘を'粉にする / (粉などを)…‘に'ふりかける《+『名』+『with』+『名』》 / 〈顔など〉‘に'おしろいをつける / 粉になる / おしろいをつける
- 〈空気など〉‘を'吸い込む / 息(たばこの煙)を吸い込む
- (薬などの)吸入器 / [人工]呼吸器 / 吸入する人
- 粉に覆われた / 粉末状の
Wikipedia preview
出典(authority):フリー百科事典『ウィキペディア(Wikipedia)』「2013/02/12 16:49:02」(JST)
[Wiki en表示]
commonly used to treat respiratory diseases such as asthma, bronchitis, emphysema and COPD although DPIs have also been used in the treatment of diabetes mellitus.[1]
DPIs are an alternative to the aerosol based inhalers commonly called metered-dose inhaler (or MDI). The DPIs may require some procedure to allow a measured dose of powder to be ready for the patient to take. The medication is commonly held either in a capsule for manual loading or a proprietary form from inside the inhaler. Once loaded or actuated, the operator puts the mouthpiece of the inhaler into their mouth and takes a deep inhalation, holding their breath for 5-10 seconds. There are a variety of such devices. The dose that can be delivered is typically less than a few tens of milligrams in a single breath since larger powder doses may lead to provocation of cough.
Most DPIs rely on the force of patient inhalation to entrain powder from the device and subsequently break-up the powder into particles that are small enough to reach the lungs.[2] For this reason, insufficient patient inhalation flow rates may lead to reduced dose delivery and incomplete deaggregation of the powder, leading to unsatisfactory device performance. Thus, most DPIs have a minimum inspiratory effort that is needed for proper use and it is for this reason that such DPIs are normally used only in older children and adults.
Contents
- 1 Lactose
- 2 Storage
- 3 See also
- 4 References
- 5 Further reading
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Lactose
Some powder inhalers use lactose as bulking agent and to aid in powder uptake from the device during inhalation. While some have suggested that such lactose may be harmful to lactose intolerant people,[3] the lactose dose delivered by dry powder inhalers is typically less than a few milligrams and such doses do not lead to clinically relevant concerns of adverse effects in lactose intolerant patients.
Storage
DPI medication must be stored in a dry place in a temperature of not more than 25°c and humidity between 40-50% in a sealed packaging, since exposure of the powder to moisture degrades the ability of the device to disperse its medication as a fine powder upon inhalation.and in some medication needed photo protective .
See also
- Inhaler
- Metered-dose inhaler
- Nebulizer
References
- ^ "Exubera Prescribing Information (PDF)". Pfizer. April 2008. http://www.fda.gov/cder/foi/label/2006/021868mg.pdf. Retrieved 2009-02-27.[dead link]
- ^ Finlay, Warren H. (2001). The mechanics of inhaled pharmaceutical aerosols: an introduction. Boston: Academic Press. ISBN 0-12-256971-7.
- ^ Changes in Inhaler Devices for Asthma And COPD - Health - RedOrbit
Further reading
- Guidance for Industry:Metered Dose Inhaler (MDI) and Dry Powder Inhaler (DPI) Drug Products[1] Food and Drug Administration Center for Drug Evaluation and Research (CDER)
- The Diskus(tm) Inhaler Medscape Today - Clinical Drug Investigation
Routes of administration / Dosage forms
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Oral |
Digestive tract (enteral)
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Solids
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- Pill
- Tablet
- Capsule
- Time release technology
- Osmotic controlled-release oral delivery system (OROS)
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Liquids
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- Elixir
- Emulsion
- Hydrogel
- Molecular encapsulation
- Softgel
- Solution
- Suspension
- Syrup
- Tincture
- Tisane
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Buccal / Sublabial / Sublingual
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Solids
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- Orally disintegrating tablet (ODT)
- Film
- Lollipop
- Lozenges
- Chewing gum
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Liquids
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- Mouthwash
- Toothpaste
- Ointment
- Oral spray
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Respiratory tract
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Solids
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- Smoking device
- Dry powder inhaler (DPI)
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Liquids
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- Vaporizer
- Nebulizer
- Pressurized metered dose inhaler (pMDI)
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Gas
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- Oxygen mask
- Oxygen concentrator
- Anaesthetic machine
- Relative analgesia machine
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Ophthalmic / Otologic / Nasal |
- Nasal spray
- Ear drops
- Eye drops
- Ointment
- Hydrogel
- Nanosphere suspension
- Mucoadhesive microdisc (microsphere tablet)
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Urogenital |
- Ointment
- Pessary (vaginal suppository)
- Vaginal ring
- Vaginal douche
- Intrauterine device (IUD)
- Extra-amniotic infusion
- Intravesical infusion
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Rectal (enteral) |
- Ointment
- Suppository
- Enema
- Murphy drip
- Nutrient enema
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Dermal |
- Ointment
- Liniment
- Paste
- Film
- Hydrogel
- Liposomes
- Transfersome vesicles
- Cream
- Lotion
- Lip balm
- Medicated shampoo
- Dermal patch
- Transdermal patch
- Transdermal spray
- Jet injector
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Injection / Infusion
(into tissue/blood) |
Skin
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- Intradermal
- Subcutaneous
- Transdermal implant
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Organs
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- Intracavernous
- Intravitreal
- Intra-articular or intrasynovial injection
- Transscleral
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Central nervous system
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- Intracerebral
- Intrathecal
- Epidural
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Circulatory / Musculoskeletal
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- Intravenous
- Intracardiac
- Intramuscular
- Intraosseous
- Intraperitoneal
- Nanocell injection
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Additional explanation: |
- Mucous membranes are used by the human body to absorb the dosage for all routes of administration, except for
"Dermal" and "Injection/Infusion".
Administration routes can also be grouped as Topical (local effect) or Systemic (defined as Enteral = Digestive tract/Rectal, or Parenteral = All other routes).
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Routes of administration by organ system
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Gastrointestinal |
- Oral
- Buccal
- Sublabial
- Sublingual
- Rectal
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Respiratory system |
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Visual system / Auditory system |
- Ocular (Ocular-topical / Intravitreal / Transscleral)
- Otologic (Oto-topical)
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Reproductive system |
- Intracavernous
- Intravaginal
- Intrauterine (Extra-amniotic)
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Urinary system |
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Peritoneum |
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Central nervous system |
- Intracerebral
- Intrathecal
- Epidural
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Circulatory system |
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Musculoskeletal system |
- Intramuscular
- Intraosseous
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Skin |
- Epicutaneous
- Intradermal
- Subcutaneous
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UpToDate Contents
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English Journal
- Inhalation of a dry powder ciprofloxacin formulation in healthy subjects: a phase I study.
- Stass H, Nagelschmitz J, Willmann S, Delesen H, Gupta A, Baumann S.SourceBayer Pharma AG, Clinical Pharmacology, Bldg 470, Room 219, 42096, Wuppertal, Germany, heino.stass@bayer.com.
- Clinical drug investigation.Clin Drug Investig.2013 Jun;33(6):419-27. doi: 10.1007/s40261-013-0082-0.
- BACKGROUND: Oral and intravenous formulations of ciprofloxacin have established efficacy and safety profiles in respiratory infections. A dry powder for inhalation (DPI) that uses Novartis' PulmoSphere™ technology has been developed to deliver high concentrations of ciprofloxacin to the lung with
- PMID 23605507
- Aclidinium bromide for the treatment of chronic obstructive pulmonary disease.
- Cazzola M, Page CP, Matera MG.SourceUniversity of Rome 'Tor Vergata', Department of System Medicine, Unit of Respiratory Clinical Pharmacology , Via Montpellier 1, 00133 Rome , Italy mario.cazzola@uniroma2.it.
- Expert opinion on pharmacotherapy.Expert Opin Pharmacother.2013 Jun;14(9):1205-14. doi: 10.1517/14656566.2013.789021. Epub 2013 Apr 9.
- Introduction: Although there are some challenges with current therapies, the growing evidence that tiotropium bromide is important in the maintenance treatment of chronic obstructive pulmonary disease (COPD) has led to enthusiastic investigation in search of novel muscarinic antagonists which share
- PMID 23566013
- In Vitro Tests for Aerosol Deposition. III: Effect of Inhaler Insertion Angle on Aerosol Deposition.
- Delvadia RR, Longest PW, Hindle M, Byron PR.Source1 Department of Pharmaceutics, Virginia Commonwealth University , Richmond, VA.
- Journal of aerosol medicine and pulmonary drug delivery.J Aerosol Med Pulm Drug Deliv.2013 Jun;26(3):145-56. doi: 10.1089/jamp.2012.0989. Epub 2012 Oct 1.
- Abstract Background: Inhaler orientation with respect to a patient's mouth may be an important variable determining the efficiency of aerosol lung delivery. The effect of insertion angle on regional deposition was evaluated for a series of inhalers using concurrent in vitro and computational fluid d
- PMID 23025452
Japanese Journal
- 新規吸入器の操作性に関する検討 : 吸入療法未経験者を対象とした誤操作に関する研究
- 吸入指導チェックリストを用いたドライパウダー式サルメテロール/フルチカゾン配合剤(ディスカス製剤)の吸入手技の習得度の検討
- ブデソニド/ホルモテロール配合剤(BUD/FM)の安全性と有効性について : BUD/FM 180日の使用経験
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ドライパウダー吸入器 dry powder inhaler
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