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Table 5 Proposal for coding the combination drugs of “List of drugs to be prescribed with special caution” and “List of drugs to consider starting”

From: Identifying drug substances of screening tool for older persons’ appropriate prescriptions for Japanese

Combination drugs (substance name in JAN)

Japan 1)

ATC2)

“List of drugs to be prescribed with special caution”

Chlorpromazine Hydrochloride

Phenobarbital *

Promethazine Hydrochloride

1179100

1179101

R06AD52 promethazine, combinations or N05AA01 chlorpromazine and R06AD02 promethazine

tia

Aluminum Glycinate *

Magnesium Carbonate *

1143010

3399100

N02BA51 acetylsalicylic acid, combinations excl. Psycholeptics

Acetylsalicylic acid (aspirin)

Clopidogrel Sulfate

3399101

N02BA51 acetylsalicylic acid, combinations excl. Psycholeptics or B01AC06 acetylsalicylic acid and B01AC04 clopidogrel

Acetylsalicylic acid (aspirin)

Lansoprazole *

3399102

B01AC56 acetylsalicylic acid, combinations with proton pump inhibitors

Metformin Hydrochloride

Pioglitazone Hydrochloride

3969100

A10BD05 metformin and pioglitazone

Glimepiride

Pioglitazone Hydrochloride

3969101

A10BD06 glimepiride and pioglitazone

Mitiglinide

Voglibose

3969102

A10BD Combinations of oral blood glucose lowering drugs or A10BX08 mitiglinide and A10BF03 voglibose

Pioglitazone

Alogliptin*

3969103

A10BD09 pioglitazone and alogliptin

Metformin

Vildagliptin*

3969104

A10BD08 metformin and vildagliptin

Alogliptin*

Metformin

3969105

A10BD13 metformin and alogliptin

“List of drugs to consider starting”

Entacapone *

Carbidopa Hydrate

Levodopa

1169102

N04BA03 levodopa, decarboxylase inhibitor and COMT inhibitor

Carbidopa Hydrate *

Levodopa

1169101

N04BA02 levodopa and decarboxylase inhibitor

Benserazide Hydrochloride *

Levodopa

1169100

N04BA02 levodopa and decarboxylase inhibitor

Azilsartan

Amlodipine Besilate

2149121

C09CA09 azilsartan medoxomil and C08CA01 amlodipine

Azelnidipine

Olmesartan Medoxomil

2149115

C08C selective calcium channel blockers with mainly vascular effects and C09CA08 olmesartan medoxomil

Amlodipine Besilate

Irbesartan

2149118

C09DB05 irbesartan and amlodipine

Amlodipine Besilate

Candesartan Cilexetil

2149116

C09DB07 candesartan and amlodipine

Amlodipine Besilate

Telmisartan

2149117

C09DB04 telmisartan and amlodipine

Amlodipine Besilate

Valsartan

2149114

C09DB01 valsartan and amlodipine

Irbesartan

Trichlormethiazide

2149119

C09DA04 irbesartan and diuretics

Candesartan Cilexetil

Hydrochlorothiazide

2149111

C09DA06 candesartan and diuretics

Cilnidipine

Valsartan

2149120

C08CA14 cilnidipine and C09CA03 valsartan

Termisartan

Hydrochlorothiazide

2149113

C09DA07 telmisartan and diuretics

Valsartan

Hydrochlorothiazide

2149112

C09DA03 valsartan and diuretics

Hydrochlorothiazide

Losartan Potassium

2149110

C09DA01 losartan and diuretics

Atorvastatin Calcium Hydrate

Amlodipine Besilate

2190101

2190102 2190103 2109104

C10BX03 atorvastatin and amlodipine

  1. ATC: Anatomical Therapeutic Chemical Classification System
  2. JAN: Japanese Accepted Names for Pharmaceuticals
  3. 1)The first 7-digit numbers of the code of the Japanese drug price list. The drugs with a different compounding ratio of active substances need different codes in the National Health Insurance Drug Price Standard in Japan. For example, there are bland medicinal products with acetylsalicylic acid 330 mg for anti-inflammatory use (1143010) and 81 mg for antiplatelet (3399100)
  4. 2)Some combination drugs have individual ATC codes
  5. * Substances are excepted from the STOPP-J list (Table 3and 4)