Conditions: Hip Fracture
Keywords: Hip fracture Nutritional supplement Bisphosphonates Bone mineral density Body composition
Allocation: RANDOMIZED | Intervention model: PARALLEL
Enrollment: 79
Healthy volunteers: no

Brief summary:
The study hypothesis is that nutritional supplementation together with bisphosphonates have a better preserving effect on bone mineral density (BMD) after hip fracture than bisphosphonates alone and that nutritional supplementation given postoperatively for 6 months preserve lean body mass in elderly hip fracture patients.

Detailed description:
Inclusion criteria: Men and women, ≥ 60 years of age with a recent fracture of the femoral neck or trochanter, admitted to any of the four University hospitals in Stockholm, Sweden. Patients are randomized into three groups by sealed enveloped technique in blocks by 12, thus assuring that each center had an equal distribution of patients in the three treatment groups. Patients randomly assigned and followed for 12 months. Each center with a doctor in charge and a trial nurse. The trial nurse in collaboration with the doctor are responsible of the randomization procedure and that blood samples are taken in the morning of the first weekday after inclusion at the ward and further that the dual-energy X-ray (DXA) and all estimates are done during hospital stay.The pharmacological treatment and nutritional supplementation starts as soon as the patients are circulatory stable, able to take food by mouth and are able to sit in an upright position one hour after taking the tablets.Patients are examined at baseline with a follow up at 6 and 12 months.

Arms:
arm 1: 35 mg risedronate orally administered once weekly for 12 months and orally administered Calcium 1000 mg and 800 IU vitamin D3 daily for 12 months. Group B (bisphosphonate group) arm 2: Oral liquid nutritional supplement (600kcal and 40 gram protein/day) for 6 months after the hip fracture besides Risedronate and calcium and vitamin D3. Group BN (bisphosphonate and nutritional supplemented group) arm 3: An oral dose of 1000 mg Calcium and 800 IU vitamin D3 daily for 12 months after hip fracture. Group C (control)

Interventions: intervention 1: Risedronate intervention 2: Nutritional supplement intervention 3: Calcium and vitamin D3
Intervention descriptions: intervention 1: The bisphosphonate group (B) receive 35 mg risedronate (Optinate® Septimum) once weekly for 12 months and calcium (1000 mg) and vitamin D3 (800 IU) (Calcichew-D3®) daily for 12 months. intervention 2: The bisphosphonate and nutritional supplemented group (BN) receive 35 mg risedronate once weekly for 12 months plus nutritional supplement (Fresubin® protein energy drink) during the first six months following hip fracture and also calcium (1000 mg) and vitamin D3 (800 IU) daily for 12 months. intervention 3: The patients in the control group (C) receive orally administered calcium 1000 mg and 800 IU vitamin D3 (Calcichew-D3®) daily for 12 months.

Protocol document: