Ugur 2000.

Methods	Study design: parallel RCT Duration of study: 1985 to 1999 Duration of follow‐up: 12 months
Participants	Country: Turkey Setting: single centre Inclusion criteria: adult kidney transplant recipients Number: 45 (numbers not reported for the groups) Age range: 18 to 46 years (ages not reported for the groups) Sex (M/F): 29/16 (not reported for the groups) Exclusion criteria: not reported
Interventions	Treatment group 1 Calcium carbonate: 3 g/d Calcitriol: 0.5 µg/d Treatment group 2 Calcium: 3 g/d Calcitriol: 0.5 µg/d Calcitonin (nasal): 200 IU/ alternate days for 6 months; stopped for 3 months then recommenced Treatment group 3 Calcium: 3 g/d Control group No treatment Co‐interventions Not reported
Outcomes	BMD by DEXA at lumbar spine and femoral neck
Notes	Funding source: not reported Trial registration: not applicable as published before end of 2005
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	Insufficient information to permit judgement
Allocation concealment (selection bias)	Unclear risk	Insufficient information to permit judgement
Blinding of participants and personnel (performance bias) All outcomes	High risk	Unblinded study
Blinding of outcome assessment (detection bias) All outcomes	Unclear risk	Insufficient information to permit judgement
Incomplete outcome data (attrition bias) All outcomes	Unclear risk	Insufficient information to permit judgement
Selective reporting (reporting bias)	High risk	Patient‐centred outcomes not reported systematically
Other bias	Unclear risk	Insufficient information to permit judgement