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Determine the safety of 2MD, a vitamin D analog, when administered orally once daily for 28 days in healthy normal postmenopausal women.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Placebo | Placebo Comparator |
| |
| Calcitriol | Active Comparator |
| |
| 50 ng 2MD | Experimental |
| |
| 110 ng 2MD | Experimental |
| |
| 170 ng 2MD | Experimental |
| |
| 220 ng 2MD | Experimental |
| |
| 440 ng 2MD | Experimental |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| 2MD | Drug |
| ||
| Calcitriol |
| Measure | Description | Time Frame |
|---|---|---|
| Change from baseline in total serum calcium | Days 0 (pre-dose), 1, 2, 3, 7, 14, 21, 27, 28 and 2 weeks after last dose | |
| Change from baseline in levels of 2MD in the blood | 1, 2, 3, 12, 18 and 24 h after the initial dose on Day 0 and after the final dose on Day 27 |
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Inclusion Criteria:
Exclusion Criteria:
Any acute or chronic condition that would limit the subject's ability to complete the study.
Active clinical manifestations of significant metabolic, hematological, pulmonary, hepatic, cardiovascular, gastrointestinal (including malabsorption), neurological, renal, urological or psychiatric disorders.
History or presence of any diseases known or believed to influence calcium absorption or metabolism.
History of renal calculi.
History of an eating disorder.
History of stomach or intestinal surgery.
History of hypersensitivity or allergies to any vitamin D derivative.
History or presence of an abnormal ECG.
Use of any medications or products affecting vitamin D metabolism within 6 months prior to study entry.
Use of any medications or products affecting calcium balance or bone turnover within 6 months prior to study entry.
Participation in any other investigational study drug trial in which receipt of investigational study drug occurred within 60 days prior to study entry.
Use of vitamin and/or mineral supplements >1X RDI within 4 weeks prior to study entry, unless deemed acceptable by Investigator.
Poor peripheral venous access.
Receipt of blood products within 2 months prior to study entry.
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| ID | Term |
|---|---|
| D015663 | Osteoporosis, Postmenopausal |
| ID | Term |
|---|---|
| D010024 | Osteoporosis |
| D001851 | Bone Diseases, Metabolic |
| D001847 | Bone Diseases |
| D009140 | Musculoskeletal Diseases |
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| ID | Term |
|---|---|
| D002117 | Calcitriol |
| ID | Term |
|---|---|
| D004100 | Dihydroxycholecalciferols |
| D006887 | Hydroxycholecalciferols |
| D002762 | Cholecalciferol |
| D002782 | Cholestenes |
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| Drug |
|
| Placebo | Drug |
|
| D008659 |
| Metabolic Diseases |
| D009750 | Nutritional and Metabolic Diseases |
| D002776 |
| Cholestanes |
| D013256 | Steroids |
| D000072473 | Fused-Ring Compounds |
| D011083 | Polycyclic Compounds |
| D013261 | Sterols |
| D014807 | Vitamin D |
| D012632 | Secosteroids |
| D008563 | Membrane Lipids |
| D008055 | Lipids |