CN104013586B - Lansoprazole freeze-dried powder injection for injection and preparation method thereof - Google Patents

Lansoprazole freeze-dried powder injection for injection and preparation method thereof Download PDF

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CN104013586B
CN104013586B CN201410276117.2A CN201410276117A CN104013586B CN 104013586 B CN104013586 B CN 104013586B CN 201410276117 A CN201410276117 A CN 201410276117A CN 104013586 B CN104013586 B CN 104013586B
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injection
lansoprazole
freeze
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condition
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CN104013586A (en
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金幸�
汤磊
王琰
许洁
杨应娜
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Jiangsu Kingsley Pharmaceutical Co ltd
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Shanghai Cirui Pharmaceutical Sci & Tech Co Ltd
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Abstract

The invention provides a preparation method of a lansoprazole freeze-dried powder injection for injection. The preparation method of the lansoprazole freeze-dried powder injection for injection is characterized by comprising the following steps: taking lansoprazole and adding the lansoprazole into a pressure container, adding injection water, heating and adjusting the temperature of the water to 105 DEG C-110 DEG C under pressurized condition, stirring for 0.5-1 hour to obtain a lansoprazole solution, then adding active carbon counting for 2%-3% of the total mass of the solution to stir for 1.5-2.5 hours, filtering by using a micro-pore filtration membrane with a pore diameter being 0.45 microns under the heat preservation condition to obtain a filtrate, adding alkali into the filtrate under the condition of the heat preservation temperature being 75 DEG C-85 DEG C and adjusting pH value to 11.0-11.5, cooling to the room temperature, adding a recipe amount of mannitol and meglumine and dropwise adding the injection water to reach the full dose, filtering by using a micro-pore filtration membrane with a pore diameter being 0.22 microns under the aseptic condition, filling and carrying out freeze-drying to obtain the lansoprazole freeze-dried powder injection for injection. The injection lansoprazole prepared by the method is relatively good in clarity and insoluble particle and can be used in match with common diluting solvents such as 0.9% sodium chloride injection, 5% glucose injection, sodium lactate injection and the like.

Description

A kind of lansoprazole freeze-dried injection for injection and preparation technology thereof
Technical field
The present invention relates to a kind of lansoprazole freeze-dried injection for injection and preparation technology thereof, belong to drug world.
Background technology
Lansoprazole for injecting is a kind of novel proton pump inhibitor class medicine, is mainly used in clinically treating reflux esophagitis, gastric ulcer, duodenal ulcer.The prescription composition of existing Lansoprazole for injecting, mainly comprise main constituent lansoprazole, freeze-dried excipient, pH value regulator etc., the prescription composition of most main flow is containing lansoprazole, mannitol, meglumine and sodium hydroxide, and wherein mannitol is freeze-dried excipient, meglumine is stabilizing agent, sodium hydroxide is pH value regulator.After storage a period of time uses, easily there is the problem that clarity of solution declines, particulate matter increases, cause product quality defective, bring drug safety sex chromosome mosaicism in Lansoprazole for injecting.
Address this problem, a kind of thinking is the composition changing prescription, as Chinese patent CN102151265, do not use mannitol and meglumine wherein, add chelating agen disodiumedetate, for another example Chinese patent CN102600088, in prescription, eliminate meglumine, add surface agent poloxamer 188, also have Chinese patent CN103040737, also be eliminate mannitol, and add disodium edetate, sodium sulfite and sodium citrate.Lansoprazole for injecting is prepared by changing prescription composition, its maximum shortcoming is other adjuvants will introduced outside conventional adjuvant, no matter be disodiumedetate, PLURONICS F87 or disodium edetate, sodium sulfite, sodium citrate, although the production of injection also can be applied to, but all unavoidably produce some side effect, thus reduce the safety of product.
The another kind of thinking addressed this problem changes preparation technology.As Chinese patent CN102920703, have employed micronized for lansoprazole bulk drug method, the mode that Chinese patent CN101313895 then adopts crystallize to filter.These solutions can solve the clarity of Lansoprazole for injecting, the problem of particulate matter to a certain extent, but its product compatibility stability prepared is still good not, can only use with 0.9% sodium chloride injection compatibility clinically, cannot be with the use of with the conventional retarder thinner such as 5% glucose injection, sodium lactate ringer's injection, limit Clinical practice scope and the ease for use of this product.
Chinese patent CN102961344 provides a kind of scheme solving this problem, add glucose as cosolvent, the mode of at high temperature remove impurity with active carbon matter after adding alkali dissolution is adopted to prepare Lansoprazole for injecting, Lansoprazole for injecting prepared by this mode, because the compatibility stability adding glucose and 5% glucose injection is better, but still can not meet the problem that compatibility is stable in sodium lactate ringer's injection.
Summary of the invention
The object of the invention is for above deficiency, a kind of preparation technology of lansoprazole freeze-dried injection for injection is provided, this preparation technology is without the need to changing the routine prescription of Lansoprazole for injecting, without the need to adding unconventional adjuvant, clarity, the particulate matter of the Lansoprazole for injecting prepared are better, and retarder thinner compatibility that can be conventional with 0.9% sodium chloride injection, 5% glucose injection, sodium lactate ringer's injection etc. uses, and has wider Clinical practice scope.
To achieve these goals, the invention provides a kind of preparation technology of lansoprazole freeze-dried injection for injection, it is characterized in that, concrete steps comprise: get lansoprazole and be placed in pressure vessel, add the water for injection of cumulative volume 80%-90%, it is heat regulation water temperature to 105 DEG C-110 DEG C under the condition of 0.06-0.07MPa at relative pressure, stir 0.5-1 hour, obtain lansoprazole solution, then the active carbon adding solution gross mass 2%-3% stirs 1.5-2.5 hour, with 0.45 μm of filtering with microporous membrane under heat-retaining condition, the filtrate obtained adds alkali adjust ph to 11.0-11.5 under the condition of insulation 75 DEG C-85 DEG C, be down to room temperature, add mannitol and the meglumine of recipe quantity, and be settled to full dose with water for injection, aseptically, after 0.22 μm of filtering with microporous membrane, fill is in cillin bottle, lyophilizing, obtain lansoprazole freeze-dried injection for injection.
Preferably, described freeze-dry process is: by cillin bottle false add plug, sabot is placed in freeze dryer, open freeze dryer, start compressor, freeze to flaggy, conduction oil inlet oil temperature is set and is-40 DEG C, and keep 1-3 hour, pre-freeze is terminated, freeze to cold-trap, treat that condenser temperature reaches less than-45 DEG C, open vacuum pump, open case trap valve, when casing vacuum is down to below 30Pa, start the sublimation drying that heats up, first stage distillation inlet oil temperature is set to 0 DEG C, retention time is 9 ± 2 hours, second stage heat preservation and dryness, conduction oil inlet oil temperature is made to rise to 25 ~ 30 DEG C, be incubated more than 3 hours, close case trap valve, to closing case trap valve more than 120 seconds and after vacuum rises to and is no more than 10Pa in case, shutdown terminates lyophilizing.
In lansoprazole solution after described standardize solution, the concentration of lansoprazole, mannitol and meglumine is respectively 25-35g/6000ml, 50-75g/6000ml and 5-10g/6000ml.
The method that the technical program is taked, compared with prior art in CN102961344, alkali add opportunity be decarburization filter after but not before, decarburization filtration stage mainly rely on heating and the principle of non-power alkali salify to ensure the dissolving of lansoprazole, the target impurity removed in this stage and CN102961344 have remarkable difference.Adopt and process in such a way, without the need to adding glucose as stabilizing agent in prescription, and the compatibility stability after long-term placement has remarkable enhancing.
Compared with prior art, the invention has the beneficial effects as follows:
Present invention employs unique dissolution process, its lansoprazole freeze-dried injection for injection prepared, without the need to adding unconventional adjuvant, as disodiumedetate, PLURONICS F87, disodium edetate, sodium sulfite, sodium citrate etc., the clarity of the Lansoprazole for injecting prepared, particulate matter is better, the clarity of solution occurred after storing a period of time can be avoided to decline, the problem that particulate matter increases, and can with 0.9% sodium chloride injection, 5% glucose injection, the retarder thinner compatibility that sodium lactate ringer's injection etc. are conventional uses, there is wider Clinical practice scope.
Detailed description of the invention
Below in conjunction with specific embodiment, set forth the present invention further.Should be understood that these embodiments are only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's instruction.
Embodiment 1
Prescription
Getting recipe quantity lansoprazole puts in pressure vessel, add the water for injection of cumulative volume 80%, be under the condition of 0.06MPa at relative pressure, heat regulation water temperature to 105 DEG C, stir 0.5 hour, obtain lansoprazole solution, then the active carbon adding solution gross mass 2% stirs 2.5 hours, with 0.45 μm of filtering with microporous membrane under heat-retaining condition, the filtrate obtained adds 5% sodium hydroxide solution adjust ph to 11.5 under the condition of insulation 85 DEG C, be down to room temperature, add mannitol and the meglumine of recipe quantity, and be settled to full dose with water for injection, aseptically, after 0.22 μm of filtering with microporous membrane, fill is in cillin bottle, by cillin bottle false add plug, sabot is placed in freeze dryer, open freeze dryer, start compressor, freeze to flaggy, conduction oil inlet oil temperature is set and is-40 DEG C, and keep 2 hours, pre-freeze is terminated, freeze to cold-trap, treat that condenser temperature reaches-45 DEG C, open vacuum pump, open case trap valve, when casing vacuum is down to 30Pa, start the sublimation drying that heats up, totally two stages, first stage distillation inlet oil temperature is set to 0 DEG C, retention time is 9 hours, second stage heat preservation and dryness, conduction oil inlet oil temperature is made to rise to 25 DEG C, be incubated 3 hours, close case trap valve, to closing case trap valve after 120 seconds, after in case, vacuum rises above 10Pa, shutdown terminates lyophilizing, inspection, packaging, obtain Lansoprazole for injecting.
Embodiment 2
Prescription
Getting recipe quantity lansoprazole puts in pressure vessel, add the water for injection of cumulative volume 90%, it is heat regulation water temperature to 110 DEG C under the condition of 0.07MPa at relative pressure, stir 0.5 hour, obtain lansoprazole solution, then the active carbon adding solution gross mass 3% stirs 1.5 hours, with 0.45 μm of filtering with microporous membrane under heat-retaining condition, the filtrate obtained adds 1% sodium hydroxide solution adjust ph to 11.0 under the condition of insulation 85 DEG C, be down to room temperature, add mannitol and the meglumine of recipe quantity, and be settled to full dose with water for injection, aseptically, after 0.22 μm of filtering with microporous membrane, fill is in cillin bottle, by cillin bottle false add plug, sabot is placed in freeze dryer, open freeze dryer, start compressor, freeze to flaggy, conduction oil inlet oil temperature is set and is-40 DEG C, and keep 2 hours, pre-freeze is terminated, freeze to cold-trap, treat that condenser temperature reaches-45 DEG C, open vacuum pump, open case trap valve, when casing vacuum is down to 30Pa, start the sublimation drying that heats up, totally two stages, first stage distillation inlet oil temperature is set to 0 DEG C, retention time is 9 hours, second stage heat preservation and dryness, conduction oil inlet oil temperature is made to rise to 25 DEG C, be incubated 3 hours, close case trap valve, to closing case trap valve after 120 seconds, after in case, vacuum rises above 10Pa, shutdown terminates lyophilizing, inspection, packaging, obtain Lansoprazole for injecting.
Embodiment 3
Prescription
Getting recipe quantity lansoprazole puts in pressure vessel, add the water for injection of cumulative volume 84%, it is heat regulation water temperature to 108 DEG C under the condition of 0.065MPa at relative pressure, stir 0.5 hour, obtain lansoprazole solution, then the active carbon adding solution gross mass 2.6% stirs 2.0 hours, with 0.45 μm of filtering with microporous membrane under heat-retaining condition, the filtrate obtained adds 0.5% sodium hydroxide solution adjust ph to 11.3 under the condition of insulation 79 DEG C, be down to room temperature, add mannitol and the meglumine of recipe quantity, and be settled to full dose with water for injection, aseptically, after 0.22 μm of filtering with microporous membrane, fill is in cillin bottle, by cillin bottle false add plug, sabot is placed in freeze dryer, open freeze dryer, start compressor, freeze to flaggy, conduction oil inlet oil temperature is set and is-40 DEG C, and keep 2 hours, pre-freeze is terminated, freeze to cold-trap, treat that condenser temperature reaches-45 DEG C, open vacuum pump, open case trap valve, when casing vacuum is down to 30Pa, start the sublimation drying that heats up, totally two stages, first stage distillation inlet oil temperature is set to 0 DEG C, retention time is 9 hours, second stage heat preservation and dryness, conduction oil inlet oil temperature is made to rise to 25 DEG C, be incubated 3 hours, close case trap valve, to closing case trap valve after 120 seconds, after in case, vacuum rises above 10Pa, shutdown terminates lyophilizing, inspection, packaging, obtain Lansoprazole for injecting.
Comparative example 1
Lansoprazole for injecting is prepared according to CN101313895 method
Prescription
Getting recipe quantity lansoprazole puts in container, add the water for injection of cumulative volume 30%, add alkali stir make its dissolve and mix homogeneously obtain lansoprazole concentrated solution, add mannitol again, stirring makes it dissolve and mix homogeneously, acid adding is counter adjusts solution ph to 10.3, leave standstill and make crystallization of solution, with microporous filter membrane, crystallize out is filtered out, measure the content of lansoprazole in solution, regulate filtrate pH value to 11.5 according to measurement result and be settled to full dose with water for injection, aseptically, with 0.22 μm of filtering with microporous membrane to clarification, in filtrate fill and aseptic cillin bottle, partly jump a queue, sabot, cartonning, open freeze dryer, reduce sample temperature to-40 DEG C, keep 4 hours, stop board is cold, open cold condenser, when condenser temperature reaches below-45 DEG C, open vacuum system, start the distillation that heats up, final drying temperature product temperature is 30 DEG C, keep this temperature after 3 hours, tamponade, outlet, gland, quality inspection, packaging, obtain Lansoprazole for injecting.
Comparative example 2
Lansoprazole for injecting is prepared according to CN102961344 method
Prescription
Taking recipe quantity sodium hydroxide is dissolved in the water for injection of brand-new, be mixed with about 2% sodium hydroxide solution for subsequent use; Take the lansoprazole of recipe quantity, glucose, mannitol is dissolved in the brand-new water for injection of full dose 80%, add above-mentioned sodium hydroxide solution and be stirred to entirely molten; , add medicine liquid volume 1 ‰ (m/v) active carbon, constant temperature about 80 DEG C stir 30 minutes; Coarse filtration, filters out active carbon with husky filter stick; Fine straining 0.22 μm of accurate filter filters; Intermediate pick test, according to surveyed content determination fill loading amount; Fill, partly jumps a queue, lyophilizing, tamponade, outlet, Zha Gai, semi-finished product pick test, packaging, the Lansoprazole for injecting arrived.
By the Lansoprazole for injecting that embodiment 1-3 and comparative example 1,2 obtain, store 6 months under normal temperature condition after, check the clarity in three kinds of solvents and particulate matter respectively, as follows:
Lansoprazole for injecting clarity checks
Get Lansoprazole for injecting, use 0.9% sodium chloride injection, 5% glucose injection, sodium lactate ringer's injection 10ml solution respectively, check according to clarity inspection technique.
Lansoprazole for injecting particulate matter checks
Get Lansoprazole for injecting, use 0.9% sodium chloride injection, 5% glucose injection, sodium lactate ringer's injection 10ml solution respectively, check according to particulate matter inspection technique.
The results are shown in Table 1.

Claims (6)

1. a lansoprazole freeze-dried injection for injection, the prescription of its lyophilized injectable powder is:
Lansoprazole 30g
Mannitol 60g
Meglumine 10g
Water for injection adds to 6000ml
Make 1000 bottles altogether
Its preparation technology is: get recipe quantity lansoprazole and put in pressure vessel, add the water for injection of cumulative volume 80%, be under the condition of 0.06MPa at relative pressure, heat regulation water temperature to 105 DEG C, stir 0.5 hour, obtain lansoprazole solution, then the active carbon adding solution gross mass 2% stirs 2.5 hours, with 0.45 μm of filtering with microporous membrane under heat-retaining condition, the filtrate obtained adds 5% sodium hydroxide solution adjust ph to 11.5 under the condition of insulation 85 DEG C, be down to room temperature, add mannitol and the meglumine of recipe quantity, and be settled to full dose with water for injection, aseptically, after 0.22 μm of filtering with microporous membrane, fill is in cillin bottle, by cillin bottle false add plug, sabot is placed in freeze dryer, open freeze dryer, start compressor, freeze to flaggy, conduction oil inlet oil temperature is set and is-40 DEG C, and keep 2 hours, pre-freeze is terminated, freeze to cold-trap, treat that condenser temperature reaches-45 DEG C, open vacuum pump, open case trap valve, when casing vacuum is down to 30Pa, start the sublimation drying that heats up, totally two stages, first stage distillation inlet oil temperature is set to 0 DEG C, retention time is 9 hours, second stage heat preservation and dryness, conduction oil inlet oil temperature is made to rise to 25 DEG C, be incubated 3 hours, close case trap valve, to closing case trap valve after 120 seconds, after in case, vacuum rises above 10Pa, shutdown terminates lyophilizing, inspection, packaging, obtain Lansoprazole for injecting.
2. a lansoprazole freeze-dried injection for injection, the prescription of its lyophilized injectable powder is:
Lansoprazole 30g
Mannitol 50g
Meglumine 8g
Water for injection adds to 6000ml
Make 1000 bottles altogether
Its preparation technology is: get recipe quantity lansoprazole and put in pressure vessel, add the water for injection of cumulative volume 90%, it is heat regulation water temperature to 110 DEG C under the condition of 0.07MPa at relative pressure, stir 0.5 hour, obtain lansoprazole solution, then the active carbon adding solution gross mass 3% stirs 1.5 hours, with 0.45 μm of filtering with microporous membrane under heat-retaining condition, the filtrate obtained adds 1% sodium hydroxide solution adjust ph to 11.0 under the condition of insulation 85 DEG C, be down to room temperature, add mannitol and the meglumine of recipe quantity, and be settled to full dose with water for injection, aseptically, after 0.22 μm of filtering with microporous membrane, fill is in cillin bottle, by cillin bottle false add plug, sabot is placed in freeze dryer, open freeze dryer, start compressor, freeze to flaggy, conduction oil inlet oil temperature is set and is-40 DEG C, and keep 2 hours, pre-freeze is terminated, freeze to cold-trap, treat that condenser temperature reaches-45 DEG C, open vacuum pump, open case trap valve, when casing vacuum is down to 30Pa, start the sublimation drying that heats up, totally two stages, first stage distillation inlet oil temperature is set to 0 DEG C, retention time is 9 hours, second stage heat preservation and dryness, conduction oil inlet oil temperature is made to rise to 25 DEG C, be incubated 3 hours, close case trap valve, to closing case trap valve after 120 seconds, after in case, vacuum rises above 10Pa, shutdown terminates lyophilizing, inspection, packaging, obtain Lansoprazole for injecting.
3. a lansoprazole freeze-dried injection for injection, the prescription of its lyophilized injectable powder is:
Lansoprazole 30g
Mannitol 75g
Meglumine 5g
Water for injection adds to 6000ml
Make 1000 bottles altogether
Its preparation technology is: get recipe quantity lansoprazole and put in pressure vessel, add the water for injection of cumulative volume 84%, it is heat regulation water temperature to 108 DEG C under the condition of 0.065MPa at relative pressure, stir 0.5 hour, obtain lansoprazole solution, then the active carbon adding solution gross mass 2.6% stirs 2.0 hours, with 0.45 μm of filtering with microporous membrane under heat-retaining condition, the filtrate obtained adds 0.5% sodium hydroxide solution adjust ph to 11.3 under the condition of insulation 79 DEG C, be down to room temperature, add mannitol and the meglumine of recipe quantity, and be settled to full dose with water for injection, aseptically, after 0.22 μm of filtering with microporous membrane, fill is in cillin bottle, by cillin bottle false add plug, sabot is placed in freeze dryer, open freeze dryer, start compressor, freeze to flaggy, conduction oil inlet oil temperature is set and is-40 DEG C, and keep 2 hours, pre-freeze is terminated, freeze to cold-trap, treat that condenser temperature reaches-45 DEG C, open vacuum pump, open case trap valve, when casing vacuum is down to 30Pa, start the sublimation drying that heats up, totally two stages, first stage distillation inlet oil temperature is set to 0 DEG C, retention time is 9 hours, second stage heat preservation and dryness, conduction oil inlet oil temperature is made to rise to 25 DEG C, be incubated 3 hours, close case trap valve, to closing case trap valve after 120 seconds, after in case, vacuum rises above 10Pa, shutdown terminates lyophilizing, inspection, packaging, obtain Lansoprazole for injecting.
4. the preparation method of lansoprazole freeze-dried injection for injection according to claim 1, it is characterized in that, step is: get recipe quantity lansoprazole and put in pressure vessel, add the water for injection of cumulative volume 80%, be under the condition of 0.06MPa at relative pressure, heat regulation water temperature to 105 DEG C, stir 0.5 hour, obtain lansoprazole solution, then the active carbon adding solution gross mass 2% stirs 2.5 hours, with 0.45 μm of filtering with microporous membrane under heat-retaining condition, the filtrate obtained adds 5% sodium hydroxide solution adjust ph to 11.5 under the condition of insulation 85 DEG C, be down to room temperature, add mannitol and the meglumine of recipe quantity, and be settled to full dose with water for injection, aseptically, after 0.22 μm of filtering with microporous membrane, fill is in cillin bottle, by cillin bottle false add plug, sabot is placed in freeze dryer, open freeze dryer, start compressor, freeze to flaggy, conduction oil inlet oil temperature is set and is-40 DEG C, and keep 2 hours, pre-freeze is terminated, freeze to cold-trap, treat that condenser temperature reaches-45 DEG C, open vacuum pump, open case trap valve, when casing vacuum is down to 30Pa, start the sublimation drying that heats up, totally two stages, first stage distillation inlet oil temperature is set to 0 DEG C, retention time is 9 hours, second stage heat preservation and dryness, conduction oil inlet oil temperature is made to rise to 25 DEG C, be incubated 3 hours, close case trap valve, to closing case trap valve after 120 seconds, after in case, vacuum rises above 10Pa, shutdown terminates lyophilizing, inspection, packaging, obtain Lansoprazole for injecting.
5. the preparation method of lansoprazole freeze-dried injection for injection according to claim 2, it is characterized in that, step is: get recipe quantity lansoprazole and put in pressure vessel, add the water for injection of cumulative volume 90%, it is heat regulation water temperature to 110 DEG C under the condition of 0.07MPa at relative pressure, stir 0.5 hour, obtain lansoprazole solution, then the active carbon adding solution gross mass 3% stirs 1.5 hours, with 0.45 μm of filtering with microporous membrane under heat-retaining condition, the filtrate obtained adds 1% sodium hydroxide solution adjust ph to 11.0 under the condition of insulation 85 DEG C, be down to room temperature, add mannitol and the meglumine of recipe quantity, and be settled to full dose with water for injection, aseptically, after 0.22 μm of filtering with microporous membrane, fill is in cillin bottle, by cillin bottle false add plug, sabot is placed in freeze dryer, open freeze dryer, start compressor, freeze to flaggy, conduction oil inlet oil temperature is set and is-40 DEG C, and keep 2 hours, pre-freeze is terminated, freeze to cold-trap, treat that condenser temperature reaches-45 DEG C, open vacuum pump, open case trap valve, when casing vacuum is down to 30Pa, start the sublimation drying that heats up, totally two stages, first stage distillation inlet oil temperature is set to 0 DEG C, retention time is 9 hours, second stage heat preservation and dryness, conduction oil inlet oil temperature is made to rise to 25 DEG C, be incubated 3 hours, close case trap valve, to closing case trap valve after 120 seconds, after in case, vacuum rises above 10Pa, shutdown terminates lyophilizing, inspection, packaging, obtain Lansoprazole for injecting.
6. the preparation method of lansoprazole freeze-dried injection for injection according to claim 3, it is characterized in that, step is: get recipe quantity lansoprazole and put in pressure vessel, add the water for injection of cumulative volume 84%, it is heat regulation water temperature to 108 DEG C under the condition of 0.065MPa at relative pressure, stir 0.5 hour, obtain lansoprazole solution, then the active carbon adding solution gross mass 2.6% stirs 2.0 hours, with 0.45 μm of filtering with microporous membrane under heat-retaining condition, the filtrate obtained adds 0.5% sodium hydroxide solution adjust ph to 11.3 under the condition of insulation 79 DEG C, be down to room temperature, add mannitol and the meglumine of recipe quantity, and be settled to full dose with water for injection, aseptically, after 0.22 μm of filtering with microporous membrane, fill is in cillin bottle, by cillin bottle false add plug, sabot is placed in freeze dryer, open freeze dryer, start compressor, freeze to flaggy, conduction oil inlet oil temperature is set and is-40 DEG C, and keep 2 hours, pre-freeze is terminated, freeze to cold-trap, treat that condenser temperature reaches-45 DEG C, open vacuum pump, open case trap valve, when casing vacuum is down to 30Pa, start the sublimation drying that heats up, totally two stages, first stage distillation inlet oil temperature is set to 0 DEG C, retention time is 9 hours, second stage heat preservation and dryness, conduction oil inlet oil temperature is made to rise to 25 DEG C, be incubated 3 hours, close case trap valve, to closing case trap valve after 120 seconds, after in case, vacuum rises above 10Pa, shutdown terminates lyophilizing, inspection, packaging, obtain Lansoprazole for injecting.
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注射用兰索拉唑冻干工艺研究;刘昔平等;《科技创业》;20131231(第11期);187-188 *

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