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Active Pharmaceutical Ingredients (APIs)

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API residual palladium OOS during tech transfer to a new site: how to justify reprocessing vs rejection to FDA/EMA inspectors

Symptoms of residual palladium OOS levels typically manifest during quality control (QC) testing. These signals may include inconsistencies in test results compared to established specifications as detailed in the relevant…

API co-crystal / salt form inconsistency during CPV trending review: supplier qualification gaps and incoming testing upgrades to close the loop

Identifying the signs of co-crystal or salt form inconsistencies is crucial in preemptively managing quality issues. Symptoms can stem from various stages of production and lead to quality assurance concerns.…

API batch-to-batch variability trend (OOT) after equipment maintenance intervention: regulatory impact assessment and change control remediation plan

The identification of symptoms or signals indicating batch variability is the first step in addressing potential quality issues. Common signals may include:Click to read the full article.

API assay drift during stability pull at 6/12 months: how to justify reprocessing vs rejection to FDA/EMA inspectors

Identifying the symptoms of API assay drift is crucial for effective investigation and decision-making. Common indicators include:Click to read the full article.

API starting material traceability gap after drying cycle optimization: risk-based approach to prevent repeat OOS across future API batches

A gap in traceability often becomes evident through various symptoms on the manufacturing floor or within the laboratory setting. Recognizing these signals early can prevent significant setbacks. Key indications of…

API hygroscopicity-driven degradation after raw material supplier change: how to write a defensible deviation narrative for inspections

The initial signs of hygroscopicity-driven degradation may be subtle but can escalate rapidly if not managed accordingly. Healthcare professionals and QC personnel should be vigilant for symptoms such as:Click to…

API heavy metals / elemental impurities OOS after cleaning validation requalification: root cause analysis (process vs lab) with CAPA effectiveness checks

Recognizing the first signals of potential contamination can lead to timely investigations and prevent widespread product quality issues. The symptoms associated with OOS heavy metals or elemental impurities include:Click to…

API assay drift after raw material supplier change: data integrity and chromatographic audit trail review steps

Identifying the symptoms of API assay drift is crucial in the early stages of your investigation. Symptoms may manifest in several ways:Click to read the full article.

API starting material traceability gap during FDA inspection readiness: regulatory impact assessment and change control remediation plan

Evaluating and Addressing API Starting Material Traceability Gaps for FDA Inspection Readiness In the highly regulated pharmaceutical manufacturing environment, the ability to demonstrate robust traceability for active pharmaceutical ingredients (APIs)…

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