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. 2008 Jul 16;2008(3):CD006297. doi: 10.1002/14651858.CD006297.pub2

Ratner 2000.

Methods DURATION OF INTERVENTION: 
 28 weeks. 
 DURATION OF FOLLOW‐UP: 
 N/A 
 RUN‐IN PERIOD: 
 1 to 4 weeks. 
 LANGUAGE OF PUBLICATION: 
 English.
Participants WHO PARTCIPATED: 
 Type 1 diabetic adult patients. 
 INCLUSION CRITERIA: 
 Men and women 18‐80 years of age with type 1 diabetes (postprandial C‐peptide levels of _0.5 nmol/L) for at least 1 year and GHb levels of <12.0% were eligible. 
 EXCLUSION CRITERIA: 
 Treatment with antidiabetic drugs other than insulin within 1 month of study entry, pregnancy, impaired hepatic function, and impaired renal function. Patients could not work a night shift. 
 DIAGNOSTIC CRITERIA: 
 Not defined
Interventions NUMBER OF STUDY CENTRES: 
 49. 
 SETTING: 
 Out‐patient. 
 INTERVENTION (ROUTE, TOTAL DOSE/DAY, FREQUENCY): 
 Glargine (QD) + RI 
 CONTROL (ROUTE, TOTAL DOSE/DAY, FREQUENCY): 
 NPH (QD/BID)+RI 
 TREATMENT BEFORE STUDY: 
 ? 
 TITRATION PERIOD: 
 ?
Outcomes PRIMARY OUTCOME(S): 
 ? 
 SECONDARY OUTCOMES: 
 Mean changes from baseline of GHb and capillary FBG levels, median change from baseline of FPG levels, incidence of hypoglycemia, and incidence of hypoglycemia with a blood glucose level of < 2.0 mmol/L.
Notes STATED AIM OF STUDY: 
 Safety and efficacy of once‐daily insulin glargine versus once‐ or twice‐daily NPH insulin as part of basal‐bolus insulin regimens for patients with type 1 diabetes.
Risk of bias
Bias Authors' judgement Support for judgement
Allocation concealment? Unclear risk B ‐ Unclear