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SITCSection 5
U.S. imports of prostaglandins, thromboxanes & leukotrienes (SITC 54156) totaled $4.3M in April 2026, traded with 10 countries.
Prostaglandins, Thromboxanes & Leukotrienes imports of $4.3M in April 2026 ran 44% above the year-to-date monthly average of $3.0M.
Last updated: April 2026 dataClassified as bulk pharmaceutical active ingredients rather than finished medicaments, prostaglandins, thromboxanes, leukotrienes, and their structural analogues occupy a specialized niche in the pharmaceutical supply chain — serving as key intermediates for reproductive health drugs, cardiovascular agents, and anti-inflammatory therapies. FDA oversight applies to imported active pharmaceutical ingredients (APIs) under this heading, and foreign manufacturing facilities are subject to FDA inspection and registration requirements. Because these eicosanoid-class compounds are often synthesized in small volumes with high potency, importers must ensure proper documentation of purity specifications and chain-of-custody records at entry.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Under SITC 54156, these compounds are classified as bulk active pharmaceutical ingredients (APIs) — not as finished medicaments put up in measured doses for retail sale. This distinction affects both the applicable tariff heading and the FDA regulatory pathway at entry.
Importing facilities must be registered with FDA, and the foreign manufacturing site is subject to FDA inspection under drug GMP (Good Manufacturing Practice) standards. Shipments may be detained for examination if the facility lacks a current FDA inspection record or if prior import alerts are in place.
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| Country | Imports | Exports | Balance |
|---|---|---|---|
| SPAIN | -- | $3.7M | +$3.7M |
| KOREA, SOUTH | $2.7M | $6K | -$2.7M |
| HUNGARY | $1.2M | -- | -$1.2M |
| NETHERLANDS | -- | $270K | +$270K |
| UNITED KINGDOM | $223K | $4K | -$219K |
Monthly import values over time