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Title: Efficacy and safety of minodronate in the treatment of postmenopausal osteoporosis with low back pain: a single-centre, randomized and open-label controlled trial.
Author: Wang H, Huang J, Tao L, Liu D, Song C.
Journal: Trials; 2024 Aug 13; 25(1):534. PubMed ID: 39135126.
Abstract:
BACKGROUND: Low back pain is one of the most common symptoms of osteoporosis. The pain can seriously affect patients' mood and quality of life; it can also further aggravate bone loss, causing a serious social burden. Minodronate is an oral bisphosphonate that needs to be administered daily. It significantly reduces levels of bone turnover markers (BTMs) and rapidly improves symptoms of low back pain in patients with osteoporosis. Osteoporosis requires long-term treatment, and daily dosing reduces patient compliance. Minodronate has a better safety profile than other bisphosphonates. The objective of the trial is to explore the efficacy and safety of minodronate in the treatment of low back pain in postmenopausal osteoporosis patients. METHODS: This is a single-centre, randomized, open-label controlled trial with a 24-week duration. Seventy-two eligible patients will be randomly divided into 4 groups. Subjects will be randomized at a 1:1 ratio to receive either minodronate (1 mg/day) or alendronate (10 mg/day) every day; senior women (≥ 75 years old) and older women (< 75 years old) will be at a ratio of 1:2. The primary outcome is the time required for the visual analogue scale (VAS) score to decline by ≥ 10 from baseline. The secondary outcome is the changes in VAS scores from baseline, the frequency and dosage of rescue medication, BTMs, bone mineral density (BMD), and variations in upper gastrointestinal (GI) symptom scores from baseline (including heartburn, pain, and bloating). DISCUSSION: This study will provide objective evidence for the efficiency and safety of minodronate. Furthermore, it will be helpful to evaluate the quantitative relationship between BTMs and BMD in patients with osteoporosis under different ages. TRIAL REGISTRATION: This study protocol has been registered with ClinicalTrials.gov ID NCT05645289 ( https://clinicaltrials.gov/search?term=NCT05645289 ) on December 8, 2022. The registry name is Peking University Third Hospital. This study protocol was reviewed and approved by the Peking University Third Hospital Medical Science Research Ethics Committee (M2022465, 2022.08.09, V2.0). The results will be published in scientific peer-reviewed journals. TRIAL STATUS: The protocol was registered at ClinicalTrials.gov (registration number: NCT05645289). Recruitment has started in January 2023 and is still ongoing.

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