NCT03051620

Brief Summary

The study is a cohort study comprising 136 patients with osteoporosis stopping treatment with alendronate. The study will contribute with new knowledge about biochemical markers of bone turnover as predictors of bone loss after stopping treatment with alendronate.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
142

participants targeted

Target at P50-P75 for all trials

Timeline
Completed

Started Feb 2017

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

February 1, 2017

Completed
6 days until next milestone

First Submitted

Initial submission to the registry

February 7, 2017

Completed
7 days until next milestone

First Posted

Study publicly available on registry

February 14, 2017

Completed
2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 31, 2019

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

January 31, 2019

Completed
2.1 years until next milestone

Results Posted

Study results publicly available

March 18, 2021

Completed
Last Updated

March 18, 2021

Status Verified

March 1, 2021

Enrollment Period

2 years

First QC Date

February 7, 2017

Results QC Date

November 26, 2020

Last Update Submit

March 16, 2021

Conditions

Keywords

Bone turnover markersAlendronateDrug Holiday

Outcome Measures

Primary Outcomes (1)

  • If Carboxy-terminal Collagen Crosslinks (CTX) Three and Six Months After Stopping Alendronate Predicted TH BMD (Total Hip BMD) Loss Above the Least Significant Change at Month 12 at the Individual Level.

    We constructed receiver operating characteristic (ROC) curves to evaluate if carboxy-terminal collagen crosslinks (CTX) three and six months after stopping alendronate predicted TH BMD loss above the least significant change (LSC) at month 12 at the individual level.

    Baseline and one year after baseline

Secondary Outcomes (4)

  • Percent Change in Bone Turnover Markers Measured Three and Six Months After Stopping Alendronate Treatment and BMD After One and Two Years

    one and two years after baseline

  • Number of Participants in Which CTX Increased Above the Least Significant Change

    From baseline to month 24

  • The Number of Participants Who Lost BMD Beyond the Least Significant Change (LSC) at the Lumbar Spine and Total Hip.

    from baseline to month 24

  • If Baseline Bone Turnover Markers at the Time of Alendronate Discontinuation Predict Changes in BMD After One and Two Years.

    Changes in TH BMD after one and two years.

Interventions

136 patients with osteoporosis stopping treatment with alendronate.

Eligibility Criteria

Age50 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodProbability Sample
Study Population

140 patients with osteoporosis stopping treatment with alendronate.

You may qualify if:

  • Postmenopausal women (postmenopausal for at least two years)
  • Men above 50 years
  • Treatment for at least five years with alendronate
  • BMD T-score total hip \> -2.5
  • BMD T-score lumbar spine (L1-L4) \> -4

You may not qualify if:

  • Any low-energy fracture within the previous five years during alendronate treatment (not including fingers, toes, or skull)
  • Low-energy vertebral fracture at any time
  • Low-energy hip fracture at any time
  • Ongoing treatment with glucocorticoids
  • Metabolic bone disease
  • Hormone replacement therapy
  • Cancer
  • Other conditions affecting bone metabolism

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Department of Endocrinology and Internal Medicine, Aarhus University Hospital

Aarhus, 8000, Denmark

Location

Related Publications (7)

  • Black DM, Cummings SR, Karpf DB, Cauley JA, Thompson DE, Nevitt MC, Bauer DC, Genant HK, Haskell WL, Marcus R, Ott SM, Torner JC, Quandt SA, Reiss TF, Ensrud KE. Randomised trial of effect of alendronate on risk of fracture in women with existing vertebral fractures. Fracture Intervention Trial Research Group. Lancet. 1996 Dec 7;348(9041):1535-41. doi: 10.1016/s0140-6736(96)07088-2.

    PMID: 8950879BACKGROUND
  • Liberman UA, Weiss SR, Broll J, Minne HW, Quan H, Bell NH, Rodriguez-Portales J, Downs RW Jr, Dequeker J, Favus M. Effect of oral alendronate on bone mineral density and the incidence of fractures in postmenopausal osteoporosis. The Alendronate Phase III Osteoporosis Treatment Study Group. N Engl J Med. 1995 Nov 30;333(22):1437-43. doi: 10.1056/NEJM199511303332201.

    PMID: 7477143BACKGROUND
  • Shane E, Burr D, Ebeling PR, Abrahamsen B, Adler RA, Brown TD, Cheung AM, Cosman F, Curtis JR, Dell R, Dempster D, Einhorn TA, Genant HK, Geusens P, Klaushofer K, Koval K, Lane JM, McKiernan F, McKinney R, Ng A, Nieves J, O'Keefe R, Papapoulos S, Sen HT, van der Meulen MC, Weinstein RS, Whyte M; American Society for Bone and Mineral Research. Atypical subtrochanteric and diaphyseal femoral fractures: report of a task force of the American Society for Bone and Mineral Research. J Bone Miner Res. 2010 Nov;25(11):2267-94. doi: 10.1002/jbmr.253.

    PMID: 20842676BACKGROUND
  • Khosla S, Burr D, Cauley J, Dempster DW, Ebeling PR, Felsenberg D, Gagel RF, Gilsanz V, Guise T, Koka S, McCauley LK, McGowan J, McKee MD, Mohla S, Pendrys DG, Raisz LG, Ruggiero SL, Shafer DM, Shum L, Silverman SL, Van Poznak CH, Watts N, Woo SB, Shane E; American Society for Bone and Mineral Research. Bisphosphonate-associated osteonecrosis of the jaw: report of a task force of the American Society for Bone and Mineral Research. J Bone Miner Res. 2007 Oct;22(10):1479-91. doi: 10.1359/jbmr.0707onj.

    PMID: 17663640BACKGROUND
  • Black DM, Schwartz AV, Ensrud KE, Cauley JA, Levis S, Quandt SA, Satterfield S, Wallace RB, Bauer DC, Palermo L, Wehren LE, Lombardi A, Santora AC, Cummings SR; FLEX Research Group. Effects of continuing or stopping alendronate after 5 years of treatment: the Fracture Intervention Trial Long-term Extension (FLEX): a randomized trial. JAMA. 2006 Dec 27;296(24):2927-38. doi: 10.1001/jama.296.24.2927.

    PMID: 17190893BACKGROUND
  • Schwartz AV, Bauer DC, Cummings SR, Cauley JA, Ensrud KE, Palermo L, Wallace RB, Hochberg MC, Feldstein AC, Lombardi A, Black DM; FLEX Research Group. Efficacy of continued alendronate for fractures in women with and without prevalent vertebral fracture: the FLEX trial. J Bone Miner Res. 2010 May;25(5):976-82. doi: 10.1002/jbmr.11.

    PMID: 20200926BACKGROUND
  • Solling AS, Harslof T, Bruun NH, Langdahl B. The predictive value of bone turnover markers during discontinuation of alendronate: the PROSA study. Osteoporos Int. 2021 Aug;32(8):1557-1566. doi: 10.1007/s00198-021-05835-4. Epub 2021 Jan 30.

MeSH Terms

Conditions

Osteoporosis

Condition Hierarchy (Ancestors)

Bone Diseases, MetabolicBone DiseasesMusculoskeletal DiseasesMetabolic DiseasesNutritional and Metabolic Diseases

Results Point of Contact

Title
Anne Sophie Sølling
Organization
Department of Endocrinology and Internal Medicine, Aarhus University Hospital, Denmark

Study Officials

  • Bente L Langdahl, MD PhD DMSc

    Department of Endocrinology and Internal Medicine, Aarhus University Hospital, Denmark

    STUDY DIRECTOR

Publication Agreements

PI is Sponsor Employee
Yes

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
MD, PhD student

Study Record Dates

First Submitted

February 7, 2017

First Posted

February 14, 2017

Study Start

February 1, 2017

Primary Completion

January 31, 2019

Study Completion

January 31, 2019

Last Updated

March 18, 2021

Results First Posted

March 18, 2021

Record last verified: 2021-03

Locations