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1+ There are no significant differences as regards glycemic control assessed by means of<br />

glycosylated haemoglobin between fast-acting insulin analogues and fast-acting human<br />

insulin. There are no differences in the frequency of hypoglycaemias (149; 150).<br />

Recommendations<br />

A<br />

<br />

A<br />

D CPG<br />

When treatment with insulin is started, it is recommendable to keep up the therapy with<br />

metformin and/or sulfonylureas.<br />

The need to continue with sulfonylureas or to reduce their dosage due to the risk of hypoglycaemias<br />

is to be reviewed.<br />

In DM 2 patients who require insulinization, the general use of insulin analogues is recommended.<br />

The use of slow-acting insulin analogues in patients with increased risk of night<br />

hypoglycaemias is recommended. DM 2 patients who require intensive insulinization, are<br />

not recommended the use of fast-acting analogues, as they present no advantages.<br />

DCPG When selecting an initial insulin schedule, the patient’s preference, the adverse<br />

effects risks (mainly hypoglycaemia) and the costs are to be taken into consideration.<br />

Figure 2. DM 2 treatment algorithm<br />

INTERVENTION ON LIFE STYLE<br />

(diet and exercise)<br />

3-6 months<br />

Monotherapy<br />

HbA 1<br />

c ≥ 7%<br />

f<br />

METFORMIN a<br />

A sulfonylurea can be considered for<br />

patients not overweight (BMI < 25)<br />

HbA 1<br />

c ≥ 7%<br />

f<br />

Double therapy<br />

METFORMIN b + SULFONYLUREA c<br />

Insulin<br />

rejection<br />

SU + MET<br />

+ PIOGLITAZONE.<br />

HbA 1<br />

c ≥ 7%<br />

f, g<br />

Combined treatment:<br />

oral anti-diabetic drug + INSULIN<br />

NIGHT INSULIN (NPH) d<br />

+<br />

METFORMIN ± SULFONYLUREAS e<br />

HbA 1<br />

c ≥ 7%<br />

f, g<br />

(METFORMIN ± SULFONYLUREAS)<br />

+<br />

Intensify the treatment with insulin<br />

in two or more dose<br />

a<br />

If intolerance to Metformin, use Sulfonylureas.<br />

b<br />

If intolerance to Metformin, Pioglitazone.<br />

c<br />

If Sulfonylureas are contraindicated or the patient follows irregular meals, use metiglinides (Repaglinide, Nateglinide).<br />

d<br />

If the patient suffers night-time hypoglycaemias, use slow-acting insulin analogue (Glargine or Detemir).<br />

e<br />

Review the need to continue with sulfonylureas or reduce the dose due to risk of hypoglycaemias.<br />

f<br />

The HbA 1<br />

c ³7% target is for guidance. The aim is to be set individually, depending on cardiovascular risk, comorbidity,<br />

disease evolution time, life expectancy and the patients’ preferences.<br />

g<br />

Before insulinization start and during the intensifi cation process, less strict aims can be considered.<br />

CLINICAL PRACTICE GUIDELINE ON TYPE 2 DIABETES 73

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