Disclosure of Invention
In order to solve the problems, the invention provides a clonidine hydrochloride oral film agent which can be rapidly disintegrated and absorbed, is convenient to take, and has high safety, high compliance and high bioavailability; more specifically, the clonidine hydrochloride oral film provided by the invention can be quickly dissolved in the oral cavity without water and chewing.
In order to achieve the purpose, the invention adopts the technical scheme that:
the clonidine hydrochloride oral film is characterized by comprising the following components: clonidine hydrochloride, a film forming material, a disintegrating agent, a plasticizer, a flavoring agent and a coloring agent.
Further, the clonidine hydrochloride oral film agent contains 2-35 wt% of clonidine hydrochloride, preferably 5-30 wt%, 10-20 wt% and 15 wt%; or preferably 3%, 4%, 6%, 7%, 8%, 9%, 11%, 12%, 13%, 14%, 16%, 17%, 18%, 19%, 21%, 22%, 23%, 24%, 25%, 26%, 27%, 28%, 29%, 31%, 32%, 33%, 34% by weight, etc.
Further, the film forming material is selected from one or a mixture of more than two of poloxamer, hydroxypropyl methylcellulose (HPMC), hydroxypropyl cellulose (HPC), polyvinyl alcohol (PVA), sodium carboxymethylcellulose (CMCNa), Polyoxyethylene (PEO), povidone (PVP), acrylic resin, corn starch, xanthan gum, sodium alginate, gelatin, dextrin, shellac, arabic gum, methylcellulose, agar and sodium alginate. Preferably one or a mixture of more than two of poloxamer, polyvinyl alcohol and sodium alginate. The weight percentage content of the film forming material in the clonidine hydrochloride oral film agent is 2-98%, preferably 5-95%, 10-90%, 20-80%, 30-70%, 40-60% and 50%; and preferably 3%, 4%, 6%, 7%, 8%, 9%, 11%, 12%, 13%, 14%, 15%, 16%, 17%, 18%, 19%, 21%, 22%, 23%, 24%, 25%, 26%, 27%, 28%, 29%, 31%, 32%, 33%, 34%, 35%, 36%, 37%, 38%, 39%, 41%, 42%, 43%, 44%, 45%, 46%, 47%, 48%, 49%, 51%, 52%, 53%, 54%, 55%, 56%, 57%, 58%, 59%, 61%, 62%, 63%, 64%, 65%, 66%, 67%, 68%, 69%, 71%, 72%, 73%, 74%, 75%, 76%, 77%, 78%, 79%, 81%, 82%, 83%, 84%, 85%, 86%, 87%, 88%, 89%, 91%, 92%, 93%, 94%, (wt.), 95%, 96%, 97%, etc.
Further, the disintegrating agent is selected from one or a mixture of more than two of dry starch, sodium carboxymethyl starch and cross-linked PVP, and the sodium carboxymethyl starch is preferred. The weight percentage content of the disintegrant in the clonidine hydrochloride oral film is 0-20%, preferably 10-15%; or preferably 1%, 2%, 3%, 4%, 5%, 6%, 7%, 8%, 9%, 11%, 12%, 13%, 14%, 16%, 17%, 18%, 19% by weight.
Further, the plasticizer is selected from one or a mixture of more than two of polyethylene glycol (PEG), glycerol, sorbitol, Tween 80, propylene glycol, ethylene glycol, silicone oil, polypropylene glycol and hexanediol. Polyethylene glycol or glycerol are preferred. The clonidine hydrochloride oral film contains 2-35 wt% of plasticizer, preferably 5-30 wt%, 10-25 wt% and 15-20 wt%, or contains 3 wt%, 4 wt%, 6 wt%, 7 wt%, 8 wt%, 9 wt%, 11 wt%, 12 wt%, 13 wt%, 14 wt%, 16 wt%, 17 wt%, 18 wt%, 19 wt%, 21 wt%, 22 wt%, 23 wt%, 24 wt%, 26 wt%, 27 wt%, 28 wt%, 29 wt%, 31 wt%, 32 wt%, 33 wt% and 34 wt%.
Further, the flavoring agent is selected from one or more of sucralose, aspartame, acesulfame potassium, xylitol, stevioside, glycyrrhizin, saccharin sodium, fructose, sucrose and peppermint essence. The content of the corrigent in the clonidine hydrochloride oral film is 0-25% by weight, preferably 5-20% by weight and 10-15% by weight; or preferably 1%, 2%, 3%, 4%, 6%, 7%, 8%, 9%, 11%, 12%, 13%, 14%, 16%, 17%, 18%, 19%, 21%, 22%, 23%, 24% by weight, etc.
Further, the colorant is selected from carmine, indigo, beet red, gardenia yellow, carotene and titanium dioxide, or a mixture of two or more of them. The clonidine hydrochloride oral film agent contains 0-5 wt% of colorant, and preferably contains 1%, 2%, 3%, 4% and the like.
Further, the clonidine hydrochloride oral film agent comprises the following components in percentage by weight:
5 to 20 percent of clonidine hydrochloride
40-75% of film forming material
0 to 10 percent of disintegrating agent
5 to 25 percent of plasticizer
0 to 10 percent of flavoring agent
0-5% of a coloring agent.
Further, the clonidine hydrochloride oral film agent comprises the following components in percentage by weight:
10-15% of clonidine hydrochloride
55 to 60 percent of film forming material
2 to 6 percent of disintegrating agent
10-15% of plasticizer
3-8% of flavoring agent
1-3% of a coloring agent.
The invention further provides a preparation method of the clonidine hydrochloride oral film, which is characterized by comprising the following steps:
(1) weighing the film forming material according to the prescription amount, adding water at 40-80 ℃ for swelling, and cooling to 30-60 ℃ when the solution is completely clear;
(2) adding the disintegrant, the plasticizer, the flavoring agent and the coloring agent according to the prescription amount, continuously stirring until the mixture is uniformly mixed, and cooling to the room temperature;
(3) adding clonidine hydrochloride in a prescription amount, fully stirring to dissolve, and uniformly mixing;
(4) standing for 2-4 hours, ultrasonically degassing, and controlling the temperature to be 20-30 ℃ to prepare a membrane material;
(5) and pouring the film material onto the lower edge of the glass plate, pushing the film material forwards by using a push rod to perform film coating, drying, demolding, cutting into required specifications, sealing, packaging and sterilizing to obtain the glass plate.
Further, the water temperature during swelling is preferably 50-70 ℃, and more preferably 60 ℃.
Further, the ultrasound is preferably performed for 10s at a time and 3s at intervals.
Furthermore, the clonidine hydrochloride oral film has good toughness; the melting time is 5 to 40 seconds, preferably 10 to 30 seconds, and more preferably 12 to 20 seconds.
Further, the thickness of the clonidine hydrochloride oral film agent is 50-200 μm, preferably 70-150 μm, and more preferably 90-120 μm.
The clonidine hydrochloride oral film agent prepared by the invention is convenient to take and good in taste, and is beneficial to improving the safety and compliance of patients in taking medicine; the oral cavity is fast dissolved, the bioavailability is high, and the absorption and the curative effect of the medicine are accelerated; has uniform content and good stability. The preparation process of the clonidine hydrochloride oral film agent has simple process, is easy to control, is suitable for industrial production, and obtains unexpected technical effects.
Detailed Description
For a detailed description of the present invention, reference will now be made to specific examples. These examples are illustrative only and do not limit the scope of the present invention in any way. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention, and that such changes and modifications may be made without departing from the spirit and scope of the invention.
Example 1
The clonidine hydrochloride oral film comprises the following components:
clonidine hydrochloride 20g
70g of poloxamer
10g of polyethylene glycol.
The preparation method comprises the following steps:
(1) weighing poloxamer according to the prescription amount, adding 60 ℃ water for swelling, and cooling to 50 ℃ when the solution is completely clear;
(2) adding polyethylene glycol according to the prescription amount, continuously stirring until the mixture is uniformly mixed, and cooling to room temperature;
(3) adding clonidine hydrochloride in a prescription amount, fully stirring to dissolve, and uniformly mixing;
(4) standing for 2 hours, ultrasonically degassing for 10s every time at intervals of 3s, and controlling the temperature to be kept at 20-30 ℃ to prepare a membrane material;
(5) and pouring the film material onto the lower edge of the glass plate, pushing the film material forwards by using a push rod to perform film coating, drying, demolding, cutting into required specifications, sealing, packaging and sterilizing to obtain the glass plate.
Evaluation results were as follows: the clonidine hydrochloride oral film has uniform content and good taste; the material has good toughness, and the melting time is 15 s; the thickness of the film agent was 160. mu.m.
Example 2
The clonidine hydrochloride oral film comprises the following components:
clonidine hydrochloride 10g
Polyvinyl alcohol 80g
Sodium carboxymethyl starch 5g
5g of glycerol.
The preparation method comprises the following steps:
(1) weighing polyvinyl alcohol according to the prescription amount, adding water at 70 ℃ for swelling, and cooling to 50 ℃ when the solution is completely clear;
(2) adding the sodium carboxymethyl starch and the glycerol in the formula amount, continuously stirring until the mixture is uniformly mixed, and cooling to room temperature;
(3) adding clonidine hydrochloride in a prescription amount, fully stirring to dissolve, and uniformly mixing;
(4) standing for 4 hours, ultrasonically degassing for 10s every time at intervals of 3s, and controlling the temperature to be kept at 20-30 ℃ to prepare a membrane material;
(5) and pouring the film material onto the lower edge of the glass plate, pushing the film material forwards by using a push rod to perform film coating, drying, demolding, cutting into required specifications, sealing, packaging and sterilizing to obtain the glass plate.
Evaluation results were as follows: the clonidine hydrochloride oral film has uniform content and good taste; the material has good toughness, and the melting time is 10 s; the thickness of the film agent is 120 μm.
Example 3
The clonidine hydrochloride oral film comprises the following components:
clonidine hydrochloride 15g
Sodium alginate 60g
Crosslinked PVP 5g
Polypropylene glycol 10g
Sucralose 8g
Indigo blue 2 g.
The preparation method comprises the following steps:
(1) weighing sodium alginate according to the prescription amount, adding 50 ℃ water to swell, and cooling to 30 ℃ when the solution is completely clear;
(2) adding cross-linked PVP, polypropylene glycol, sucralose and indigo in the formula amount, continuously stirring until the mixture is uniformly mixed, and cooling to room temperature;
(3) adding clonidine hydrochloride in a prescription amount, fully stirring to dissolve, and uniformly mixing;
(4) standing for 3 hours, ultrasonically degassing for 10s every time at intervals of 3s, and controlling the temperature to be kept at 20-30 ℃ to prepare a membrane material;
(5) and pouring the film material onto the lower edge of the glass plate, pushing the film material forwards by using a push rod to perform film coating, drying, demolding, cutting into required specifications, sealing, packaging and sterilizing to obtain the glass plate.
Evaluation results were as follows: the clonidine hydrochloride oral film has uniform content and sweet taste; the material has good toughness, and the melting time is 8 s; the thickness of the film agent is 80 μm.
Example 4
The clonidine hydrochloride oral film comprises the following components:
clonidine hydrochloride 12g
Hydroxypropyl methylcellulose 68g
Dried starch 4g
Sorbitol 12g
Xylitol 3g
1g of gardenia yellow.
The preparation method comprises the following steps:
(1) weighing hydroxypropyl methylcellulose with the formula amount, adding water at 45 ℃ for swelling, and cooling to 35 ℃ when the solution is completely clear;
(2) adding the dry starch, sorbitol, xylitol and gardenia yellow according to the prescription amount, continuously stirring until the mixture is uniformly mixed, and cooling to room temperature;
(3) adding clonidine hydrochloride in a prescription amount, fully stirring to dissolve, and uniformly mixing;
(4) standing for 2 hours, ultrasonically degassing for 10s every time at intervals of 3s, and controlling the temperature to be kept at 20-30 ℃ to prepare a membrane material;
(5) and pouring the film material onto the lower edge of the glass plate, pushing the film material forwards by using a push rod to perform film coating, drying, demolding, cutting into required specifications, sealing, packaging and sterilizing to obtain the glass plate.
Evaluation results were as follows: the clonidine hydrochloride oral film has uniform content and good taste; has good toughness, and the melting time limit is 22 s; the thickness of the film agent is 140 μm.
Example 5
The clonidine hydrochloride oral film comprises the following components:
clonidine hydrochloride 8g
Povidone 74g
Sodium carboxymethyl starch 10g
Polyethylene glycol 5g
Aspartame 1g
2g of titanium dioxide.
The preparation method comprises the following steps:
(1) weighing povidone with the prescription amount, adding 60 ℃ for swelling, and cooling to 40 ℃ when the solution is completely clear;
(2) adding the sodium carboxymethyl starch, the polyethylene glycol, the aspartame and the titanium dioxide according to the prescription amount, continuously stirring to be uniformly mixed, and cooling to room temperature;
(3) adding clonidine hydrochloride in a prescription amount, fully stirring to dissolve, and uniformly mixing;
(4) standing for 3 hours, ultrasonically degassing for 10s every time at intervals of 3s, and controlling the temperature to be kept at 20-30 ℃ to prepare a membrane material;
(5) and pouring the film material onto the lower edge of the glass plate, pushing the film material forwards by using a push rod to perform film coating, drying, demolding, cutting into required specifications, sealing, packaging and sterilizing to obtain the glass plate.
Evaluation results were as follows: the clonidine hydrochloride oral film has uniform content and sweet taste; the material has good toughness, and the melting time is 6 s; the thickness of the film agent is 60 μm.
Example 6
The clonidine hydrochloride oral film comprises the following components:
clonidine hydrochloride 15g
Poloxamer 40g
Polyvinyl alcohol 20g
Sodium carboxymethyl starch 5g
Polyethylene glycol 13g
Mint essence 4g
Carotene 3g
The preparation method comprises the following steps:
(1) weighing poloxamer and polyvinyl alcohol according to the prescription amount, adding 65 ℃ water for swelling, and cooling to 50 ℃ when the solution is completely clear;
(2) adding the sodium carboxymethyl starch, the polyethylene glycol, the mint essence and the carotene according to the prescription amount, continuously stirring until the mixture is uniformly mixed, and cooling to room temperature;
(3) adding clonidine hydrochloride in a prescription amount, fully stirring to dissolve, and uniformly mixing;
(4) standing for 3 hours, ultrasonically degassing for 10s every time at intervals of 3s, and controlling the temperature to be kept at 20-30 ℃ to prepare a membrane material;
(5) and pouring the film material onto the lower edge of the glass plate, pushing the film material forwards by using a push rod to perform film coating, drying, demolding, cutting into required specifications, sealing, packaging and sterilizing to obtain the glass plate.
Evaluation results were as follows: the clonidine hydrochloride oral film has uniform content and good taste; the product has good toughness, and the melting time is 14 s; the thickness of the film agent is 110 μm.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the scope of the invention, which is defined by the claims appended hereto, and any other technical entity or method that is encompassed by the claims as broadly defined herein, or equivalent variations thereof, is contemplated as being encompassed by the claims.