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Guidelines for ATC classification and DDD assignment - WHOCC

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A10B BLOOD GLUCOSE LOWERING DRUGS, EXCL. INSULINS<br />

A10BA Biguanides<br />

A10BB Sulfonamides, urea derivatives<br />

70<br />

The <strong>DDD</strong> <strong>for</strong> micronized glibenclamide is lower compared to nonmicronized<br />

<strong>for</strong>mulations, due to higher bioavailability.<br />

The <strong>DDD</strong> <strong>for</strong> gliclazide is based on the modified release<br />

<strong>for</strong>mulation.<br />

A10BC Sulfonamides (heterocyclic)<br />

A10BD Combinations of oral blood glucose lowering drugs<br />

It has been considered most appropriate to assign fixed <strong>DDD</strong>s<br />

based on the average use of the different combinations without<br />

considering <strong>and</strong> comparing the strengths of the various<br />

components. 1 tablet is the fixed <strong>DDD</strong> <strong>for</strong> products given once<br />

daily whereas the fixed <strong>DDD</strong> <strong>for</strong> products given twice daily is 2<br />

tablets. The assigned <strong>DDD</strong>s cannot always be compared with the<br />

<strong>DDD</strong>s assigned <strong>for</strong> plain preparations.<br />

See list of <strong>DDD</strong>s <strong>for</strong> combined products, www.whocc.no<br />

A10BF Alpha glucosidase inhibitors<br />

A10BG Thiazolidinediones<br />

The <strong>DDD</strong> <strong>for</strong> troglitazone is based on combination therapy. The<br />

<strong>DDD</strong>s <strong>for</strong> rosiglitazone <strong>and</strong> pioglitazone are based on monotherapy.<br />

A10BH Dipeptidyl peptidase 4 (DPP-4) inhibitors<br />

A10BX Other blood glucose lowering drugs, excl. insulins<br />

All oral <strong>for</strong>mulations of bromocriptine are classified in G02CB01.<br />

A10X OTHER DRUGS USED IN DIABETES<br />

A10XA Aldose reductase inhibitors

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