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The effects of growth hormone, strontium ranelate and phosphate on PTH circadian rhythm, PTH target organ sensitivity, bone turnover markers, phospho-calcium metabolism and bone mineral density. A prospective, open labelled study. - Effects of anabolic therapies on PTH circadian rhythm & sensitivity

The effects of growth hormone, strontium ranelate and phosphate on PTH circadian rhythm, PTH target organ sensitivity, bone turnover markers, phospho-calcium metabolism and bone mineral density. A prospective, open labelled study. - Effects of anabolic therapies on PTH circadian rhythm & sensitivity

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
EU CTR
Registry ID
EUCTR2005-004316-73-GB
Enrollment
100
Registered
2005-12-12
Start date
2006-08-23
Completion date
Unknown
Last updated
2019-11-25

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Osteoporosis and Reduced Bone mineral density (T scores< -1.0 on DEXA scan), Adult growth hormone deficiency ( GH levels,9mU/l on Insulin stress test) with reduced BMD (T scores< -1.0 on DEXA scan)

Interventions

Product Name: strontium ranelate Product Code: strontium ranelate Pharmaceutical Form: Granules for oral suspension INN or Proposed INN: strontium ranel

Sponsors

Royal Liverpool University hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1.Postmenopausal women(no spontaneous menses for 2years or more) >55 years with reduced BMD (T score =65 years) yes F.1.3.1 Number of subjects for this age range

Exclusion criteria

Exclusion criteria: •Abnormal PTH, calcium, phosphate, vitamin D (3 times upper limit of normal) •Renal disease (Creatinine > 150µmol/l) •Patients with nephrocalcinosis (renal stone ) •Malignant carcinomas, tumour activity, excluding basal cell carcinoma of skin •Previous vertebral or hip fracture •Ongoing treatment with corticosteroids, bisphosphonates, diuretics, calcium and vitamin D (pharmacological doses) •Women on HRT •Previous venous thromboembolism •Patients with uncontrolled or accelerated hypertension •Patients with Phenylketonuria •Patients who refuse to participate.

Design outcomes

Primary

MeasureTime frame
Main Objective: To evaluate the effects of Growth hormone, Strontium therapy,and oral phosphate on a.The pattern of parathyroid hormone secretion over 24 hour period (PTH circadian rhythmicity) b.Effects of parathyroid hormone on kidney and bone (PTH target organ sensitivity) in postmenopausal women and men with reduced bone mineral density, and Adult growth hormone deficient patients. Study endpoints: Difference in PTH circadian rhythmicity, target organ sensitivity and bone turnover in the study groups before and after treatment with Growth hormone,Strontium ranelate and phosphate sandoz administered alone or in combination. ; Secondary Objective: Changes in bone turnover Changes in bone mineral density ; Primary end point(s): the primary endpoints of the study are the differences in PTH circadian rhythmicity, target organ sensitivity and bone turnover, in post menopausal women, elderly men with reduced bone mineral density (BMD) and adult growth hormone deficient (AGHD) patients. The secondary endpoints are the effects on the above parameters of Growth hormone, strontium ranelate and phosphate sandoz in various combinations in these patient groups.

Countries

United Kingdom

Outcome results

None listed

Source: EU CTR (via WHO ICTRP) · Data processed: Feb 4, 2026