Recombinant leukocyte inhibitory factor and leech peptide chimeric protein freeze-dried preparation for injection and preparation method thereof
A freeze-dried preparation and inhibitory factor technology, which are used in the freeze-dried preparation of recombinant leukocyte inhibitory factor and leech peptide chimeric protein and the field of preparation thereof
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Embodiment 1
[0054] (1) Prescription
[0055]
[0056] (2) Preparation of leukocyte inhibitory factor for injection and leech peptide chimeric protein freeze-dried preparation:
[0057] a. Preparation of liquid formulations before lyophilization:
[0058] Add the prescribed amount of mannitol, povidone K12, sucrose, recombinant leukocyte inhibitory factor and leech peptide chimeric protein stock solution into the citric acid-sodium citrate buffer solution with pH 5.0, stir to dissolve, and make the components after mixing The concentration is as shown in the above table, and the pH is adjusted to 5.0 with 0.1mol / L hydrochloric acid solution or sodium hydroxide, and the obtained medicinal solution is filled into a vial through a 0.22 μm filter membrane, half-tightened, and put into a freeze dryer Freeze-dried in medium;
[0059] b. The freeze-drying procedure of leukocyte inhibitory factor for injection and leech peptide chimeric protein freeze-dried powder injection is as follows:
...
Embodiment 2
[0064] (1) Prescription
[0065]
[0066] (2) Preparation of leukocyte inhibitory factor for injection and leech peptide chimeric protein freeze-dried preparation:
[0067] a. Preparation of liquid formulations before lyophilization:
[0068] Add the prescribed amount of mannitol, povidone K17, sucrose, recombinant leukocyte inhibitory factor and leech peptide chimeric protein stock solution into the citric acid-sodium citrate buffer solution of pH 4.5, stir and dissolve, so that the components after mixing The concentration is as shown in the above table, and the pH is adjusted to 4.5 with 0.1mol / L hydrochloric acid solution or sodium hydroxide, and the obtained medicinal solution is filled into a vial through a 0.22 μm filter membrane, half-tightened, and put into a freeze dryer Freeze-dried in medium;
[0069] b. The freeze-drying procedure of leukocyte inhibitory factor for injection and leech peptide chimeric protein freeze-dried powder injection is as follows:
[0...
Embodiment 3
[0074] (1) Prescription
[0075]
[0076] (2) Preparation of leukocyte inhibitory factor for injection and leech peptide chimeric protein freeze-dried preparation:
[0077] a. Preparation of liquid formulations before lyophilization:
[0078] Add the prescribed amount of mannitol, povidone K25, trehalose, recombinant leukocyte inhibitory factor and leech peptide chimeric protein stock solution into the citric acid-sodium citrate buffer solution with pH 5.5, stir to dissolve, and make the components after mixing The concentration is shown in the above table, and its pH is adjusted to 5.5 with 0.1mol / L hydrochloric acid solution or sodium hydroxide, and the obtained medicinal solution is filled into a vial through a 0.22 μm filter membrane, half-tightened, and put into a freeze-dried Freeze-dried in the machine;
[0079] b. The freeze-drying procedure of leukocyte inhibitory factor for injection and leech peptide chimeric protein freeze-dried powder injection is as follows:...
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