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SOP for Preparing Lyophilized Formulations for Pulmonary Delivery

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SOP for Preparing Lyophilized Formulations for Pulmonary Delivery

Standard Operating Procedure for Preparing Lyophilized Formulations for Pulmonary Delivery

1) Purpose

This SOP outlines the procedure for preparing lyophilized formulations intended for pulmonary delivery, ensuring the product is stable, effectively delivered, and compatible with pulmonary devices.

2) Scope

This SOP applies to all personnel involved in the preparation of lyophilized formulations for pulmonary administration, including formulation scientists, production operators, and QA personnel.

3) Responsibilities

  • Formulation Scientists: Responsible for designing formulations compatible with pulmonary delivery systems, ensuring particle size and stability.
  • Operators: Responsible for preparing the formulation as outlined in the Batch Manufacturing Record (BMR).
  • QA: Responsible for verifying particle size, stability, and proper documentation.
See also  SOP for Optimization of Solid Content in Lyophilized Formulations

4) Procedure

4.1 Formulation Design

4.1.1 Criteria for Pulmonary Delivery

  • 4.1.1.1 The formulation should produce a particle size range of 1-5 microns for effective deposition in the lungs.
  • 4.1.1.2 Excipients should enhance stability and minimize aggregation during lyophilization and reconstitution.

4.2 Preparation and Lyophilization

4.2.1 Solution Preparation

  • 4.2.1.1 Weigh the active ingredients and excipients as per the BMR.
  • 4.2.1.2 Dissolve the ingredients in a suitable solvent and stir until fully dissolved.

4.2.2 Filling and Lyophilization

  • 4.2.2.1 Fill the solution into vials or containers suitable for pulmonary delivery and freeze at -80°C before lyophilization.
  • 4.2.2.2 Lyophilize according to the parameters specified in the BMR.
See also  SOP for Loading Product Vials into Lyophilizers

4.3 Testing

for Pulmonary Delivery
  • 4.3.1 Perform particle size analysis to ensure the particles are within the 1-5 micron range.
  • 4.3.2 Measure the aerodynamic behavior of the particles using cascade impactors to confirm suitability for pulmonary delivery.

4.4 Documentation

Record all steps in the Pulmonary Lyophilized Formulations Logbook and ensure QA verification of particle size, aerodynamic behavior, and stability testing.

5) Abbreviations

  • BMR: Batch Manufacturing Record

6) Documents

  • Pulmonary Lyophilized Formulations Logbook

7) References

  • Pharmacopoeial guidelines for pulmonary drug delivery systems

8) SOP Version

Version 1.0

Annexure

Pulmonary Lyophilized Formulations Logbook Template

Date Formulation Name Batch No. Particle Size Aerodynamic Behavior Operator Initials QA Verification
DD/MM/YYYY Formulation Name Batch Number Particle Size (microns) Aerodynamic Results Operator Name QA Initials
             


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Standard Operating Procedures V 1.0

  • Aerosols
  • Analytical Method Development
  • Bioequivalence Bioavailability Study
  • Capsule Formulation
  • Clinical Studies
  • Creams
  • Data Integrity
  • Dental Dosage Forms
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  • Good Distribution Practice
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  • Lyophilized Products
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  • Purchase Departments
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  • Raw Material Stores
  • Regulatory Affairs
  • Tablet Manufacturing
  • Rectal Dosage Forms
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NEW! Revised SOPs – V 2.0

  • Aerosols V 2.0
  • Analytical Method Development V 2.0
  • API Manufacturing V 2.0
  • BA-BE Studies V 2.0
  • Biosimilars V 2.0
  • Capsules V 2.0
  • Creams V 2.0
  • Elixers V 2.0
  • Ointments V 2.0
  • Raw Material Warehouse V 2.0
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