99Tc-MDP in Postmenopausal Women With Differentiated Thyroid Cancer and Osteoporosis

Prospective Trial of 99Tc-MDP and Fosamax in Postmenopausal Women With Differentiated Thyroid Cancer and Osteoporosis Treated With Supraphysiological Doses of Thyroid Hormone

Postmenopausal women with differentiated thyroid cancer (DTC) taking suppressive doses of levothyroxine (L-T4) are thought to have accelerated bone loss and increased risk of osteoporosis. Therefore, the investigators try to investigate the effects of 99Tc-MDP,alendronate sodium in postmenopausal women with DTC under TSH suppression and osteoporosis.

Study Overview

Status

Completed

Intervention / Treatment

Detailed Description

Differentiated thyroid cancer (DTC) has become one of the most common endocrine malignancies. According to American Thyroid Association (ATA) and Chinese Thyroid Association (CTA), most of DTC patients undergo total or near total thyroidectomy, radioiodine ablation and TSH (thyroid stimulating hormone) suppression. Osteoporosis (OS) and fractures are important comorbidities in patients with DTC, with potential negative impact on quality of life (QOL) and survival. The main determinant of skeletal fragility in DTC is the TSH suppression. Postmenopausal women with DTC under TSH suppression therapy are more vulnerable to OS. Technetium-99 methylene diphosphonate (99Tc-MDP) is a decay product of 99mTc-MDP (used for bone scintigraphy) and a novel bisphosphonates, which has been used in China for diseases like rheumatoid arthritis (RA), ankylosing spondylitis (AS) and osteochondral lesions of the talus, etc. However, as a member of bisphosphates, little attention has been paid to its anti-OS effect for DTC under TSH suppression.

Study Type

Interventional

Enrollment (Actual)

142

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

    • Shanghai
      • Shanghai, Shanghai, China, 200092
        • Nuclear Medicine Xinhua Hospital

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

45 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

Female

Description

Inclusion Criteria:

(1) They were pathologically diagnosed with DTC including papillary or follicular carcinoma. (2) They received a near total thyroidectomy and radioiodine treatment. (3) TSH suppression should be at least one year before the study. (4) Bone mineral density (BMD) in lumbar spine and/or hip was tested by Dual-energy X-ray absorptiometry (DXA) at baseline, 6 month (m) and/or 12m follow up. 5) The diagnosis of osteoporosis was T-score ≤-2.5 SD at the lumbar spine, or hip.

Exclusion Criteria:

  1. patients having medications for osteoporosis before TSH suppression treatment;
  2. secondary osteoporosis ;
  3. severe liver or kidney disease;
  4. myelosuppression;
  5. digestive disease;
  6. long term use of immunosuppressive agent, estrogen or estrogen receptor modulators. This study was approved by the Institutional Review Board of Hospital Research Ethics. All the patients were fully acquainted with their treatment and consented to participate in the clinical trial.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Non-Randomized
  • Interventional Model: Parallel Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: 99Tc-MDP
15mg 99Tc-MDP were intravenously administered twice a week for 10 weeks, then once a week for 8 weeks, every two weeks for 22 weeks and monthly for another 3m.
99Tc-MDP, H20000218
Other Names:
  • Yunke,Technetium [99Tc] Methylenediphosphonate
Active Comparator: Fosamax
70mg po every week for 12 months.
H20080172
Other Names:
  • alendronate sodium

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Percent Change of Bone Mineral Density in Lumbar and Hip
Time Frame: baseline, 6 months, and 12 months
Percent change of bone mineral density in lumbar and hip by dual energy x-ray absorptiometry
baseline, 6 months, and 12 months

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Bone Turnover Markers
Time Frame: baseline and 12 months
bone turnover markers including C-telopeptides of type I collagen (CTX), Type I N-procollagen terminal propeptide(PINP)
baseline and 12 months
Health Related Quality of Life by 36-item Short Form Health Status Survey Questionnaire (0-100)
Time Frame: baseline, 6 months, and 12 months

The health related quality of life was measured by 36-item Short Form Health Status Survey questionnaire (SF-36). The minimum and maximum values were 0 and 100, respectively. Higher scores mean a better a better outcome.

The questionnaire includes 36 items that can be classified into the following eight health status subscales: Physical Functioning, Physical Role Limitations, Bodily Pain, General Health Perception, Vitality, Social Functioning, Emotional Role Limitations, and Mental Health. A standardized Physical Component Summary and a standardized mental component score were calculated. The physical component summary and mental component summary represent the deviation from the reference population in Sweden. Higher scores mean a better a better outcome.

baseline, 6 months, and 12 months
Side Effects
Time Frame: 6 months, and 12 months
A transient rash and phlebitis, gastrointestinal reaction.
6 months, and 12 months

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Investigators

  • Principal Investigator: Chao Ma, MD, Shanghai 10th People's Hospital

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

January 1, 2015

Primary Completion (Actual)

December 30, 2019

Study Completion (Actual)

December 30, 2019

Study Registration Dates

First Submitted

November 24, 2014

First Submitted That Met QC Criteria

November 26, 2014

First Posted (Estimate)

December 2, 2014

Study Record Updates

Last Update Posted (Actual)

November 17, 2021

Last Update Submitted That Met QC Criteria

November 16, 2021

Last Verified

November 1, 2021

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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