INTRODUCTION:

Oral contraceptives should pass through the intestinal wall and pass through the circulatory system to the liver; each area is a standard unit of 1 pass metabolism (drug metabolism before it reaches the circulatory system). Therefore, several drugs may also be injected into the body before it reaches a sufficient level of plasma concentrations which has led to the detection of malignancies. The enterocyte reveals many metabolic enzymes from the liver. These include cytochromes P450, UDP-glucuronyltransferases, sulfotransferases, and esters.

The availability of the drug for the first time beyond metabolism by CYP3A4 has a very high impact on oral discovery, which decreases as the initial pass rate increases¹.

Emerging Oral Dosage forms which easily By-pass the Hepatic First Pass Metabolism:

· Oral Dispersible Jelly

· Oral Dispersible Tablet

· Medicated Lozenges

Oral Dispersible Jelly:

Jellies are bright, transparent or oil-free semisolid preparations for both external and internal systems. Natural gelling agent such as pectin, gellan gum, carrageenan, sodium alginate or derived from synthetic ingredients of natural substances such as methyl cellulose, and sodium cellulose for preparing jellies. The development of oral jelly formulation is suitable for children, geriatric and patients with dysphagia. A patient with dysphagia should be hydrated during taking the fluid formulation; which is why this problem should be solved by managing the formation of high-sugar liquids within the gel form^2-6.

Benefits⁷:

· Can be controlled anywhere and anytime without water.

· Treatment can be easily discontinued at any time, if necessary.

· Medicines are extracted from the jelly and swallowed, should be presented in the intestinal tract disposed of or spit out and should therefore be available in a freely available form.

· It has the ability to overcome short-term complications and variations in drug withdrawal and storage times through the oral mucosa.

Evaluation Parameters^8-13:

Physical appearance:

Physical examination is important in terms of compliance with patient admissions. Prepared jellies are tested for appearance in color, aroma, taste, texture, etc.

Strength and vigor:

From visual inspection the size and thickness should be checked by gently rubbing the jelly sample with two fingers.

pH:

The pH of the jellies can be measured using a digital pH meter at room temperature. For this, 0.5 g of gel should be mixed in 50 ml of distilled water to make a 1% solution and pH was noted. The pH of the final gel has an impact on not only stability but also taste.

Availability of the compound:

The jelly-forming mixture should be prepared in such a way that it can be easily poured into the mold. Buffer salts (retarders) such as trisodium citrate play an important role during this process, approaching pectin molecules during the latter phase is severely disrupted and increases the pH value prior to acid ingestion, thus preventing pre- gelation.

Taste testing:

Taste testing is usually done with the prior permission of human volunteers. Five grams of the prepared composition should be kept to the panel taste experts and for 5 seconds tell them to put the gel in their mouths and spit the makeover after 5 seconds. They were asked to comment on this taste.

Easy-to-spread oral tablet:

The technology of ODTs, which causes the tablets to melt or dissolve in the middle of the mouth with no further water content, has attracted very good care. ODTs are a solid dosage form that provides rapid decomposition or dissolving solids to present as a suspension or solution form even if placed in the mouth under a limited bio-fluid. Oral-dispensing pills are known by various names such as orodispersible pills, fast-dispensing pills, fast-dispensing pills, fast-acting or fast-acting pills, oral pills, oral contraceptive pills and rapimelts. If the active ingredient of the drug is naturally hydrophobic, the dosage form is called a divisive tablet and, if it is hydrophilic, the dosage form is called a tablet for rapid dissolution^14-16.

Benefits of ODTs^17-19:

The benefits of ODTs include:

· No need for water to swallow the tablet.

· It is compatible with the elasticity of the taste and has a pleasant mouth.

· There is no residue in the oral cavity after treatment.

· Tablet making can be done using standard processing and packaging materials at low cost.

· The correct dose can be given compared to the liquid.

· The dispersion and absorption of the drug is rapid, providing a quick start to action.

· Advantages of liquid medicines in terms of administration and transportation.

Difficulty with the oral form available:

The patient may suffer from tremors; therefore, they may face difficulties in taking powder and liquid medicines. In dysphasia, obstruction and adhesion to the esophagus can cause intestinal ulcers^20-21.

· The introduction of strong dosage forms such as tablets and pills can cause difficulties for adults by creating a barrier to the growth of the muscular and nervous system.

· Buccal formation and small tongue formation can cause irritation of the oral mucosa.

· Challenges in the formation of ODTs^22-23:

· Machine strength and disintegration time: Dispersion time will increase when mechanical strength is greater, so good co-operation between the two components is always necessary.

· Cover yourself with a mask: Concealing the effective taste of bitter herbs should be done so that the taste of the drug is not felt in the mouth.

· ODT should not leave any residue in the mouth after oral administration. The addition of flavors and cooling agents such as menthol improves oral sensation.

ODTS TESTING^24-25:

Tablet preview:

Prior to compression, the powder mixtures should be tested for their quantity and compressed tapping and from these compressibility index and Hausner's ratio should be calculated, while the flow funnel method. Pour the mixture into a trench that can rise vertically to the height of the top lump (h). The width of the pile (r) should be measured. The resting angle is calculated according to the formula:

Tan θ = h / r.

Quantity and tap density:

A well-balanced amount of flour should be placed in a 100 ml measuring cylinder. Note the initial volume, then the cylinder must be taped 100 times on the solid surface of the aircraft and the packing touch volume should be recorded. Bulk (BD) and tap (TD) quantities must be calculated using the following formula:

BD = weight of powder/ volume of packing

TD = weight of powder/tapped volume of packing

Carr’s index (Compressibility) :

Compressibility index of powder can be determined by following formula³⁷:

(Tap Density – Bulk Density)

Carr’s Index (%) =----------------------------------- × 100

Tap Density

Hausner’s ratio:

Hausner’s ratio is an index of ease of powder flow. It is calculated by the following formula:

Tap Density

Hausner’s ratio = --------------------

Bulk Density

Post-compression characterization of tablets^26-27:

Weight variation test:

Individually weigh 20 tablets, which are selected at random and calculate the average weight.

Tablet hardness:

Monsanto hardness tester can be used to determine the crushing strength.

Tablet Friability:

Weigh twenty tablets of formulation and subject them to abrasion by employing a Roche friabilator at 25 rpm for 4 min. Weigh the tablets and compare with their initial weights to obtain percentage friability.

(W1-W2)

Percent Friability = ---------------- × 100

Where,

W1 = Weight of tablets before test (initial weight)

W2 = Weight of tablets after test (final weight)

Thickness:

The size and thickness of the tablet fists depends on the die and the selected horns for making the tablets. The size of the tablet is measured with a screw gauge. Tablet size should be controlled within ± 5% of the standard value.

Water time:

Use a piece of tissue paper (10.75 × 12 mm), fold it in half and place it in a traditional bowl (d = 6.5 cm) containing 6 ml of water. Place the tablet on a piece of paper and record the required time for complete wetting.

Wa – Wb

R= ----------------------- X 100

Where,

Wb and Wa are tablet weights before and after water absorption, respectively.

Oral Dispersible Film:

Immediate drug rehabilitation program is a new generation delivery program also known as a rapid / complete dispersion of oral medication that was first developed in the late 1970s as one of the pills, pills, syrups and other child formulations and jariatric patients who have difficulty swallowing solid dosage forms. of normal tablet and fluid formation^28-29. FDDS is easy to manage and provides better compliance for patients in the elderly, children, mental disorders, heart disease and non-cooperative.

Benefits of rapid elimination of oral films³⁰

The benefits provided by FDOFs in addition to other oral formulations are listed below-

· Rapid disintegration and damage to the oral cavity may occur due to the availability of a larger area that improves the onset of action, reduces dosage, and improves the efficacy and safety of the drug.

· OTFs are usually the postage stamp size and are scattered across the patient's language in a matter of seconds to quickly release one or more APIs. The formation of non-permanent film films is facilitated by the use of aqueous matrices that include the molecular weight (MW), thus providing flexibility for obtaining certain body structures.

· From a commercial point of view, small film drug delivery technologies offer new business opportunities such as product classification, product enhancement, patent extension and health cycle management.

The disadvantages of rapid film termination³¹

· Drugs that are unstable in buccal pH cannot be treated.

· Cover the cover-Most drugs have a bitter taste, and need to be hidden to taste.

Elements of FDOF Structure:^32-33

An Effective Medicinal Ingredient, the composition of the film contains 1-30% w / w of the active ingredient of the drug. Always use low-dose pharmaceutical ingredients because large doses of the drug are difficult to apply to the film for rapid elimination. Dimenhydrinate can also be incorporated into ODFs to hide flavor. Typical examples of drugs included in ODFs are salbutamol sulfate, rizatriptan benzoate, verapamil, ondansetron, dexamethasone, rofecoxib, cetirizine, pilocarpine, tianeptine sodium, indomethacin, etc.

Polymers for Filming:

Polymers are the most important ingredient in a fast-acting oral film. The durability of the film depends on the amount of polymer added to the lip line. Typically, 45% w / w of polymer is used based on the total weight of the dry film. The choice of polymer is one of the most important and critical parameters for the successful development of oral films due to their strength strength depending on the type and amount of polymer used ¹³. Hydrophilic polymers are mainly used in the oral cavity as they dissolve rapidly in the oral cavity as they come in contact with saliva. Currently, both natural and synthetic polymers are used to prepare fast-dissolving film.

Plasticizer:

Plasticizer helps to improve environmental flexibility and reduce line stiffness by reducing the temperature of the polymer glass. The choice of plasticizer depends on its compatibility with the polymer and the type of solvent used in the construction. The most widely used plasticizers are glycerol, propylene glycol, molecular weight polyethylene glycols (PEGs), phthalate compounds such as dimethyl, diethyl, and dibutyl phthalate, citrate ingredients such as citrate. tributyl, triethyl, acetyl citrate, triacetin and castor oil.

Surfactants:

Surfactants are used as wetting or solubilizing or dispersing agent so that the film dissolves in seconds and releases the active agent immediately. Commonly used are poloxamer 407, bakethonium chloride, sodium lauryl sulphate, tweens, benzalkonium chloride, etc. Of these surfactants most commonly used are poloxamer 407.

Sweetener agents:

Sucrose is the most widely used sweeteners in FDOFs. Sucrose is very soluble in water and colorless does not give an unpleasant color to the final composition. Other widely used sweeteners are dextrose, sucrose, fructose, glucose, isomaltose, polyhydric alcohol (sorbitol, mannitol), etc. Synthetic sugars such as saccharin, cyclamate, aspartame (first generation), sucralose, alikame neotame (second generation) are also used.

Saliva-promoting agents:

Saliva is used to increase the production of saliva which can help in the rapid dispersion of the rapid termination of the line. Examples of saliva stimulants citric acid, malic acid, lactic acid, ascorbic acid and tartaric acid.

Color agents:

Featured color agents are usually FD&C approved colors, natural colors, pigs such as titanium dioxide etc. Counting agents should not exceed the concentration rates of 1% w / w.

FDOFs test parameters:^34-35

Size:

As the thickness of the film is directly concerned with the similarity of the drug content it is therefore necessary to find a similarity of the film size. It can be measured with a micrometer screw gauge or Vernier Calipers limited to a variety of strategic areas. The film thickness should be at a distance of 5-200 μm.

Test / drying test:

About eight stages have been identified in the film suspension process and are set - touch, dust, free grip (dry face), dry - touch, dry - hard, dry - medium (dry dry to - handle), dry drying and dry printing - free. Tightness is the tightness when a thread is attached to a support (a piece of paper) that is pressed against a line. Tools are available for this study.

Tensile strength:

Tensile strength is the maximum stress applied to a point at which the strip specimen breaks. It is calculated by the applied load at rupture divided by the cross‐sectional area of the strip as given in the equation below:

Load at Breakage

Tensile Strength = –––––––––––––––––––––––––––

Strip Thickness × Strip Width

Percent elongation:

When stress is applied, a strip sample stretches and this is referred to as strain. A strain is basically the deformation of strip divided by the original dimension of the sample. Generally, elongation of strip increases as the plasticizer content increases.

Increase in Length

Percent Elongation = ------------------------------ × 100

Original Length

Folding endurance:

Threatening endurance is determined by repeated folding of the clip in the same place until the end of the thread. The number of times a film is folded without breaking is calculated as the number of endurance wraps.

Surface pH of the film:

Surface pH of the films was determined by placing a film on the surface of 1.5% w/v agar gel followed by placing pH paper (pH range 1-11) on the films. Changes in the color of the pH paper should be considered.

Content testing / similarity:

This is determined by any standard test method defined by a specific API in any standard pharmacopeia. Content similarity is determined by measuring the API content on a single line. The content similarity limit is 85-115 percent.

Time to disperse:

The classification of oral films requires demolition tools for USP. Disruption time limit of 30 seconds or less of oral contraceptive pills described in the CDER guidelines can be used to eliminate oral contraceptives immediately. The separation time will vary depending on the construction but typically the separation distance ranges from 5 to 30 seconds. However, there is no official guideline for the fast-moving oral contraceptives.

Lozenges are treated:

Lozenges dissolve slowly in the mouth or throat which is a popular delivery system especially for drugs intended to relieve sore throat and cold symptoms. The word "troche" can be applied to pressed lozenges but the word lozenge and troches are used interchangeably. Lozenge tablets are different from standard tablets in terms of organolepticity, non-abrasive features and slower elimination profiles. Commercial lozenges made by molding or pressing melt slowly or scatter in the mouth sometimes when chewed^36-37.

EVALUATION TEST FOR LOZENGES:³⁸

Quality Control:

Candy Base- For the candy base it is essential to check for corn syrup and sugar delivery gears; temperature, steam pressure, cooking speed, temperature and vacuum of candy-based cooker.

Moisture Analysis:

Gravimetric method:

Weigh 1g of sample and noted as its initial weight, it is then placed in a vacuum oven at 60-70oC for 12-16 hours. After specified intervals of time, once again weigh the sample and moisture content can be calculated using the following formula.

Moisture Content =Initial weight – final weight

Diameter and thickness:

Diameter of the lollipop is important for uniformity of lozenges size. It can be measured using Vernier Calipers. The extent to which the diameter of the lozenges deviated from ± 5% of the standard value.

Hardness:

The resistance of lozenges to shipping or breakage under conditions of storage, transportation and handling before usage depends on its hardness. The hardness of lollipops can be measured by using Monsanto hardness tester. The hardness was measured in terms of kg/cm².

Weight Variation:

The USP weight variation test is done by weighing 20 lozenges individually, calculating the average weight and comparing the individual weights to the average.

Friability:

Determined by Roche Friabilator operated at 25rpm for 4min.

In-vitro drug release:

This is carried out in USP II paddle type dissolution apparatus.

Drug content:

Appropriate number of lollipop are crushed and dissolved in an appropriate solvent and the absorbance of the solution is measured spectrophotometrically.

Microbial check:

In this, the presence of any bacterial, mold or spore contamination is checked in raw materials, finished products, machinery, cooling tunnels, environmental conditions and storage drums.

CONCLUSION:

From the above study it has been shown that hepatic first pass metabolism is a bigger problem than any other. Therefore, it is necessary to win this issue through various technologies. Technology includes various forms of oral administration by modifying or modifying drug delivery. With the passing of this metabolism a person needs to identify the correct percentage of the metabolism and design a measurement form using the relevant information. This metabolic disorder has become a headache for dosage creators and therefore they have decided on the above-mentioned techniques to overcome this metabolism and have a higher availability of the drug in the patient. This document provides a variety of dosage forms that can be formulated more efficiently than the hepatic pass body and have a positive effect on medication.

ACKNOWLEDGEMENT:

The author is thankful to the principal of P.R. Pote Patil College of Pharmacy, Dr. Mukund Tawar for his unconditional guidance which was necessary for the completion of this article.

REFERENCE:

1. Malviya V, Ladhake V, Gajbiye K, Satao J, Tawar M. Design and Characterization of Phase Transition System of Zolmitriptan Hydrochloride for Nasal Drug Delivery System. International Journal of Pharmaceutical Sciences and Nanotechnology. 2020 May 31; 13(3):4942-51.

2. Yoshida M, Hazekawa M, Haraguchi T, Uchida T. Influence of Swallowing Aids on The Adsorption and Palatability of Kremezin. Chem Pharm Bull (Tokyo), 2011; 59: 434-7.

3. Tsuji E, Uchida T, Fukui A, Fujii R, Sunada H. Evaluation of Bitterness Suppression of Macrolide Dry Syrups by Jellies. Chem Pharm Bull (Tokyo), 2006; 54: 310-4.

4. Carter SJ. Cooper and Gunn’s Dispensing for Pharmaceutical Students. 12thed. New Delhi: CBS Publishers and Distributors, 2008; 214-8.

5. Shargel L, Yuab. Applied Biopharmaceutics and Pharmacokinetics. 4th Ed. Stamford: Appleton and Lange, 2010.

6. Dubey M, Sheth Z, Design and Development of Oral Medicated Jelly of Palonosetron HCl. Paripex-Indian Journal of Research, 2015; 4(6): 253-255.

7. Jadhav SB, Bharkad VB, Shinde MK, Kadam VS and Katkam P. Development and Evaluation 0f Oral Medicated Jelly of Ondansetron Hydrochloride, World Journal of Pharmacy and Pharmaceutical Sciences, 2017; 6(9): 1537-1549.

8. Olmez SS, Vural I. Advantages and quality control of disintegrating tablets. FABAD Journal of Pharmaceutical Sciences 2009; 34 (1):167-172.

9. Kawano Y, Ito A, Sasatsu M, Machida Y. Preparation of orally disintegrating tablets with taste-masking function: masking effect in granules prepared with correctives using the dry granulation method and evaluation of tablets prepared using the taste-masked granules. Yakugaku Zasshi 2010; 130(1):81- 86.

10. Panigrahi R, Behera SP, Panda CS. A review on fast dissolving tablets. Webmed Central Pharmaceutical Sciences 2010; 1(11):1-16.

11. Douroumis DD, Gryczke A, Schminke S. Development and evaluation of cetirizine hcl tastemasked oral disintegrating tablets. American Association of Pharmaceutical Scientists PharmSciTech 2011; 12(1):141-151.

12. Shyamala B, Narmada GY, Rapid dissolving tablets: A novel dosage form. The Indian pharmacist 2002; 13(8):9-12.

13. Neeta, Dureja H, Bhagwan H, Dahiya S. Fast dissolving tablet: An overview. Novel Science International Journal of Pharmaceutical Science 2012; 1(5):228-232.

14. Konapure SA, Chaudhari PS, Oswal RJ, Kshirsagar SS, Antre RV, Chorage TV. Mouth dissolving tablets an innovative technology. International Journal of Applied Biology and Pharmaceutical Technology 2011; 2(1):496- 503.

15. Bangale SG, Shinde GV, Rathinaraj BS. New generation of orodispersible tablets: recent advances and future prospects. International Journal of Advances in Pharmaceutical Sciences 2011; 2(3):17-28.

16. Jesmeen T, Uddin R. Orodispersible tablets: A short review. Stamford Journal of Pharmaceutical Sciences 2011; 4(1):96-99.

17. Pilgaonkar P, Rustomjee M, Gandhi A, Badge PM. Orally disintegrating tablets. United States Patent. 2009.

18. Shukla D, Chakarborty S. Mouth dissolving tablets: An overview of formulation technology. Scientia Pharmaceutica 2009; 77 (2):309-326.

19. Kumare MM, Marathe RP, Kawade RM, Ghante MH, Shendarkar GR. Design of fast dissolving tablet of atenolol using novel coprocessed superdisintegrant. Asian Journal of Pharmaceutical and Clinical Research 2013; 6 (3):81-85.

20. Malviya V, Thakur Y, Gudadhe SS, Tawar M. Formulation and evaluation of natural gum based fast dissolving tablet of Meclizine hydrochloride by using 3 factorial design 2. Asian Journal of Pharmacy and Pharmacology. 2020; 6(2):94-100.

21. Malviya VR, Pande SD, Bobade NN. Preparation and Evaluation of Sustained Release Beads of Zolmitriptan Hydrochloride. Research Journal of Pharmacy and Technology. 2019; 12(12):5972-6.

22. Behnke K, Sogaard J, Martin S, Bauml J, Ravindran AV, Agren H, et al. Mirtazapine orally disintegrating tablet versus sertraline: a prospective onset of action study. Journal of Clinical Psychopharmacology 2003; 23(4): 358-364.

23. Malviya VR, Tawar MG. Preparation and Evaluation of Oral Dispersible Strips of Teneligliptin Hydrobromide for Treatment of Diabetes Mellitus. International Journal of Pharmaceutical Sciences and Nanotechnology. 2020 Jan 31; 13(1):4745-52.

24. Oral, quickly disintegrating film, which cannot spit out, for an antiemetic or ant migraine agent. Petra O, Thomas K, Kai-Thomas K, Karin K. US2008/0213343 A1 2008.

25. Exploration of film-forming properties of film formers used in the formulation of rapid dissolving films. Choudhary DR, Patel V, Patel H, Kundawala JA. Int J Chemtech Res 2011; 3(2):531–3.

26. Approaches for taste masking of bitter drugs: a Review. Priya YD, Chowdary YA, Murthy TEGK, Seshagiri B. J Adv Drug Res 2011; 1(2):58–67.

27. Orally fast dissolving innovation in formulation and technology. Bhyan B, Jangra S, Kaur M, Singh H. Int J Pharm Sci Rev Res 2011; 9(2):50–7.

28. Formulation flexibility broadens the scope for oral thin film technology. Sloboda M, Bharnatt S. Adhesive Res 2011; 22–4.

29. Dissolvable film. Reema P, Richard GZ. US 2007/0042023 A12007:1–8.

30. M.E. Aulton, Pharmaceutics the Science Of Dosage Form Design. 2nd edition p.no. 416

31. The Pharmaceutics & Compounding Laboratories at the UNC Eshelman School of Pharmacy. [Cited 2015 December 29]; [about 1p.].

32. Mohan H. Text book of Pathology – The oral cavity and salivary glands. 4th ed. NewDelhi: Jaypee Brothers Medical Publishers (P) Ltd; 2000: 494-496.

33. J F Firriolo. Oral cavity- A Review. OralSurg Med Oral Pathol. 1994; 78(2): 189-193.

34. SV Sastry, JR Nyshdham, JA. Reviw of formulation used in oral cavity. Pharm SciandTechnolToday. 2000; (3): 138-145.

35. Batheja P, Thakur R, Michniak B. Basic biopharmaceutics of buccal and sublingual absorption, enhancement in drug delivery. London, New York: Touitou E, Barry BW editors. CRC Press, Taylor and Francis Group.2006; 1: 189.

36. Greey P, Macdonald IB. Penicillin Agar Pastilles. Canadian Medical Association Journal. 1945; 52(4): 327-330.

37. Shukla D, Chakraborty S, Mishra B. Evaluation of in vivo behavior of controlled and pulsatile release pastilles using pharmacokinetic and γ-scintigraphic techniques. Expert Opin Drug Deliv. 2012; 9(11): 1333-1345

38. V.R. Malviya, S.D. Pande. Preparation and evaluation of zolmitriptan hydrochloride lozenges. Journal of Pharma Research 2019; 8:624–9.

Received on 08.02.2021 Modified on 28.04.2021

Asian J. Pharm. Tech. 2022; 12(1):47-52.

DOI: 10.52711/2231-5713.2022.00009