Regulatory PathRegulatory requirements compared

SFDA item 24 · II. Quality changes · II.2 Finished product a) Description and composition

Change in concentration of a single-dose, total use parenteral product, where the amount of active substance per unit dose (i.e. the strength) remains the same

Variation category under SFDA, EU and US FDA rules for this change, with the variant wording as published.

Open in the Variation Compass

SFDA Saudi Food and Drug Authority

Guidelines for Variation Requirements v6.3 (DS-G-006), item 24 — official PDF, p. 33 ↗

VariantChangeType
-Change in concentration of a single-dose, total use parenteral product, where the amount of active substance per unit dose (i.e. the strength) remains the sameType II

EU European Union

Commission Guidelines C/2025/5045 — EUR-Lex ↗

Q.II.a.5 · Change in concentration of a single-dose, total use parenteral product, where the amount of active substance per unit dose (i.e. the strength) remains the same

VariantChangeType
-Change in concentration of a single-dose, total use parenteral product, where the amount of active substance per unit dose (i.e. the strength) remains the sameType II

US FDA US Food and Drug Administration

21 CFR 314.70 and FDA guidance — 21 CFR 314.70(b)(2)(i) · 2004 Guidance §V, §IX.B.4

ChangeCategoryReference
Reformulation to a different concentration (quantitative formulation change)Prior approval supplement2004 §V; 21 CFR 314.70(b)(2)(i)
Associated change in fill volume or container size of the sterile productPrior approval supplement2004 §IX.B.4

Note: Both the formulation change and the sterile-container change are PAS, and the concentration and administration statements in the labeling change with them (314.70(b)(2)(v)(A)). ANDA parenterals must also keep inactive-ingredient sameness with the RLD (21 CFR 314.94(a)(9)(iii)).

Other items in II.2 Finished product a) Description and composition

Not regulatory advice. The binding text is each regulator's current official document; confirm the category with the authority before filing. FDA publishes no classification table: the US category follows FDA guidance or, where the guidance does not name the change, the closest example under 21 CFR 314.70.