This document presents a proposal and plan for preparing oro-dispersible tablets (ODTs) of domperidone using solubility enhancement techniques. The key points are:
- Domperidone was selected as a model drug due to its low solubility. Solubility enhancement techniques like inclusion complexation with cyclodextrin and surfactant SDS will be used.
- Six formulations of domperidone ODTs will be prepared by direct compression method using different superdisintegrants like SSG, crospovidone, and croscarmellose.
- The prepared ODTs will be evaluated for properties like hardness, friability, disintegration time, wetting time
Preparation and Evaluation of Domperidone Orodispersible Tablets
1. PRESENTED BY :
Mr. Mahendra Pratap Swain
B.PHARM, 7th SEMESTER,
REGD. NO:- 1103267027
UNDER THE ESTEEMED GUIDANCE OF :
Prof. M.E. Bhanoji Rao
Principal, M.Pharma, Ph.D., HOD of Pharmaceutics
Roland Institute of Pharmaceutical Sciences
Mahendra Pratap Swain Friday, 15-May-2015
PREPARATION BY SOLUBILITY ENHANCEMENT OF DOMPERIDONE
ORO-DISPERSIBLE TABLETS (ODTs) USING SDS WITH INCLUSION
COMPLEXATIONS TECHNIQUE AND THEIR EVALUATION
5. Oro-Dispersible Tablets (ODTs)
Dispersible Tablets (DTs) are uncoated or film-coated tablets intended to be
dispersed in water before administration giving a homogeneous dispersion.
Dispersible tablets disintegrate within 3 min when examined by the test for
disintegration of tablets and capsules, by using water at 15-25 °C.
Oro-dispersible tablets (ODTs) are uncoated tablets intended to be placed in
the mouth where they disperse rapidly before being swallowed. ODTs
disintegrate within 30 sec. It is a NDDS because they are easy to administer
and lead to better patient compliance so its should named OD-NDDS.
E.g.: The trend toward formulation of dispersible tablets is evident in Europe
(159-162) and is becoming more commonplace in the United states with over-
the counter preparation available in the form of the following technologies:
Zydis® (Scerer DDS), Lyoe® (Farmalyoc), WOW® Tab (Yamanouchi),
FlashDose® (Fuisz technologies), OraSolv® (CIMA), and DuraSolv® (CIMA).
These tablets are either placed in mouth where they quickly dissolve or are
placed in a glass of water prior to ingestion and provide consumers with a
dosage form that is both potable and easy to swallow.
Mahendra Pratap Swain Friday, 15-May-2015
7. Friday, 15-May-2015Mahendra Pratap Swain
An orally disintegrating tablets or Oro-Dispersible Tablets
(ODTs) is a drug dosage form available for limited amount of
over-the-counter (OTC) & Prescription Medications.
ODTs serves as an Alternative dosage form those have Dysphagia
(Difficulties in Swallowing).
Common among all age groups, dysphagia is observed in 35% of
the general population as well as elderly institutionalized
population & 12-18% patient in long term facilities.
Last decade seen that ODTs are well used in both OTC &
Prescription medication. And important cause to take ODTs
because these are very convenience as it can taken without Water.
12. Drug Choice:
Friday, 15-May-2015Mahendra Pratap Swain
Pharmacokinetic data:
Bioavailability : High
Protein binding : 91–93%
Metabolism : Hepatic and intestinal (first-pass)
Half-life : 7 hours
Excretion : Breast milk, renal
Chemical data:
Formula : C22H24ClN5O2
Molecular mass : 425.911 g/mol
Domperidone is widely used anti-emetic drug acting by an inhibition of the dopaminergic receptor.
Domperidone does not cross blood brain barrier.
Domperidone is also effective in gastroparesis, pediatrics gastro-esophageal reflux (infant vomiting).
Domperidone also prescribed for the treatment of gastro paresis a stomach motility condition.
20. Technologies Used For Preparing ODTs
Friday, 15-May-2015Mahendra Pratap Swain
Freeze drying or Lyophilization
Sublimation
Mass extrusion
Melt Granulation
Spray drying
Molding
Nanonization
Direct compression
Cotton candy process
Phase transition process
From that I selected Direct Compression method i.e. given below .
21. Direct compression
Friday, 15-May-2015Mahendra Pratap Swain
Easiest way to Mfg. Of tablets by this technique.
Low mfg. cost, conventional equipments & limiting no. of processing steps
led this technique to be a preferable one. How over disintegration & dissolution of
directly compressed tablets depends on single or combine effect of disintegrant,
water soluble excipients & effervescing agents.
It is essential to choose a suitable & optimum concen. Of disintgrants to ensure
quick disintegration & dissolution.
Superdisintgrants are newer substances which are more effective at lower
concen. At greater disintgrating efficiency & mechanical strength.
Studied revealed that water insoluble Superdisintgrants like Sod. Starch
glycolate & Croscarmellose sod. Show better disintegration properties then the
slightly water soluble agents like Crospovidone sod. they do not have tendency to
Swell.
23. Evaluation Study:
Friday, 15-May-2015Mahendra Pratap Swain
Evaluation of powder blends/Pre Formulation study :
Bulk density
Tapped density
Angle of repose
Compressibility index
Melting point test
Compatibility study
Flow property of API’s
Solubility study
Evaluation of Dispersible Tablets (DTs/ODTs) :
Hardness Test
Friability
Thickness
Weight Variation Test
Disintegration test
Water Absorption Ratio
Wetting time
Dissolution test
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Friday, 15-May-2015Mahendra Pratap Swain
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The tablet is the most widely used dosage form because of its convenience in terms of self-administration, compactness, and ease in manufacturing.
development of new drug dosage forms for existing drugs with improved safety and efficacy together with reduced dosing frequency, and the production of more cost effective dosage form
Modified-release tablets are coated or uncoated tablets which contain special excipients or which are prepared by special procedures, or both, designed to modify the rate, the place or the time at which the active substance(s) are released. Modified-release tablets include prolonged-release tablets, delayed-release tablets and pulsatile-release tablets.
Sr. No. Angle of Repose Carr’s Index Hausner’s Ratio Type of Flow
1 <25 5-15 1.00-1.11 Excellent
2 25-30 15-18 1.12-1.18 Good
3 30-40 18-21 1.19-1.25 Satisfactory or Passable
4 40-50 21-33 1.26-1.30 Poor
5 >50 33-37 1.31-1.45 Very Poor or Damp
>40 >1.60 Very, Very Poor