Vitamin D Levels and Postoperative Hypocalcemia After Total Thyroidectomy
![]() |
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT01039714 |
Recruitment Status : Unknown
Verified December 2009 by Aristotle University Of Thessaloniki.
Recruitment status was: Recruiting
First Posted : December 25, 2009
Last Update Posted : December 25, 2009
|
- Study Details
- Tabular View
- No Results Posted
- Disclaimer
- How to Read a Study Record
Condition or disease |
---|
Hypocalcemia Hypoparathyroidism Vitamin D Deficiency Thyroidectomy |
Study Type : | Observational |
Estimated Enrollment : | 200 participants |
Observational Model: | Cohort |
Time Perspective: | Prospective |
Official Title: | Preoperative Vitamin D Levels as a Prognostic Factor for Postoperative Hypocalcemia and Hypoparathyroidism After Total Thyroidectomy |
Study Start Date : | December 2009 |
Estimated Primary Completion Date : | April 2010 |
Estimated Study Completion Date : | May 2010 |
Group/Cohort |
---|
Total Thyroidectomy |
- Impact of preoperative vitamin D levels on postoperative hypocalcemia after total thyroidectomy. [ Time Frame: 24 hours postoperatively ]
- Impact of preoperative vitamin D levels on parathyroid function after total thyroidectomy. [ Time Frame: 24 hours postoperatively ]

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Sampling Method: | Non-Probability Sample |
Inclusion Criteria:
- Patient is over 18 years old
- Patient scheduled for total thyroidectomy
- Patient signs and dates a written informed consent form (ICF) and indicates an understanding of the study procedures
Exclusion Criteria:
- Primary hyperparathyroidism
- Primary hypoparathyroidism
- Chronic Renal Failure
- Hypoalbuminemia
- Neck irradiation
- Systematic Diseases (e.g., infections)
- Thyroid or parathyroid cancer
- Osteoporosis
- Drugs that influence calcium metabolism (vitamin D analogues, oral calcium supplements, biphosphonates, teriparatide, thiazide diuretics)

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01039714
Contact: Theodossis S Papavramidis, MD, PhD | 00302310993197 | papavramidis@hotmail.com | |
Contact: Olympia E Anastasiou, MD | 00302310993197 | olympia_anastasiou@yahoo.com |
Greece | |
AHEPA University Hospital Thessaloniki, Greece | Recruiting |
Thessaloniki, Makedonia, Greece | |
Principal Investigator: Theodossis S Papavramidis, MD, PhD | |
Principal Investigator: Olympia E Anastasiou, MD |
Study Director: | Spyros T Papavramidis, Prof | Aristotle University Of Thessaloniki |
Responsible Party: | Third Surgical Clinic, AHEPA University Hospital |
ClinicalTrials.gov Identifier: | NCT01039714 |
Other Study ID Numbers: |
GXKVITD1 |
First Posted: | December 25, 2009 Key Record Dates |
Last Update Posted: | December 25, 2009 |
Last Verified: | December 2009 |
Hypocalcemia Hypoparathyroidism Vitamin D deficiency |
Total thyroidectomy calcium PTH |
Vitamin D Deficiency Hypocalcemia Hypoparathyroidism Avitaminosis Deficiency Diseases Malnutrition |
Nutrition Disorders Parathyroid Diseases Endocrine System Diseases Calcium Metabolism Disorders Metabolic Diseases Water-Electrolyte Imbalance |