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NCT01081678: STARTT-Hip

Study To Assess FRacTure Healing With SclerosTin Antibody - Hip

Completed Phase 2 Results posted Last updated 21 September 2022
What this trial tests

Phase 2 trial testing Placebo in Fracture Healing in 332 participants. Completed in 10 May 2013.

Timeline
20 June 2010
Primary endpoint
30 June 2012
10 May 2013

Quick facts

Lead sponsorAmgen
PhasePhase 2
StatusCompleted
Study typeINTERVENTIONAL
Allocationrandomized
Designparallel
Maskingquadruple
Primary purposetreatment
Enrollment332
Start date20 June 2010
Primary completion30 June 2012
Estimated completion10 May 2013
Sites99 locations across Hong Kong, Italy, Finland, Poland, Denmark, New Zealand, Netherlands, Belgium

Drugs / interventions tested

Conditions studied

Sponsor

Amgen — full company profile →

Who can join

Adults 55 to 95, any sex, with Fracture Healing. Patients with the condition only — healthy volunteers not accepted.

Results — posted to ClinicalTrials.gov

Per-arm endpoint measurements with 95% confidence intervals where reported. Source: trial results section.

Timed-Up-and-Go (TUG) Over Week 6 Through Week 20 Primary · Weeks 6, 12, 16, and 20

Functional healing was measured by the timed-up-and-go test (TUG) over Weeks 6 through 20. During this assessment, the clinician timed the participant while they stood up from a seated position in a chair, walked three meters, turned around, walked three meters back to the chair, and returned to the seated position. A TUG value of ten seconds or less was considered normal for a healthy elderly person. Higher TUG values after hip fracture have been shown to be a predictor of future falls. Least squares mean (LSM) estimates were based on a repeated measures model fitted with the log-transformed

Week 6
GroupValue95% CI
Placebo54.144.4 – 66.0
Romosozumab 70 mg41.032.4 – 51.9
Romosozumab 140 mg47.238.9 – 57.4
Romosozumab 210 mg53.343.8 – 64.8
Week 12
GroupValue95% CI
Placebo29.825.3 – 35.2
Romosozumab 70 mg27.622.7 – 33.5
Romosozumab 140 mg30.025.6 – 35.2
Romosozumab 210 mg36.130.7 – 42.5
Week 16
GroupValue95% CI
Placebo26.222.2 – 30.8
Romosozumab 70 mg23.319.2 – 28.3
Romosozumab 140 mg26.923.0 – 31.6
Romosozumab 210 mg31.827.1 – 37.4
Week 20
GroupValue95% CI
Placebo23.820.3 – 28.0
Romosozumab 70 mg21.918.1 – 26.6
Romosozumab 140 mg22.919.5 – 26.8
Romosozumab 210 mg29.124.8 – 34.2
Timed-Up-and-Go (TUG) at Each Visit Secondary · Weeks 2, 6, 12, 16, 20, 24, 36, and 52

During the timed-up-and-go test the clinician timed the participant while they stood up from a seated position in a chair, walked 3 meters, turned around, walked 3 meters back to the chair, and returned to a seated position. A TUG value of ≤ 10 seconds is considered normal for a healthy elderly person. LSMs were based on a repeated measures model adjusting for treatment, randomized strata, gender, country category, pre-fracture community-dwelling status, pre-fracture walking aid use, quality of surgical fixation, visit, and treatment-by-visit interaction. Missing TUG values for participants

Week 2
GroupValue95% CI
Placebo132.3111.0 – 153.6
Romosozumab 70 mg119.394.2 – 144.4
Romosozumab 140 mg121.7101.0 – 142.5
Romosozumab 210 mg129.8108.9 – 150.7
Week 6
GroupValue95% CI
Placebo92.474.9 – 109.9
Romosozumab 70 mg69.548.6 – 90.4
Romosozumab 140 mg80.363.1 – 97.5
Romosozumab 210 mg86.769.3 – 104.0
Week 12
GroupValue95% CI
Placebo47.437.6 – 57.1
Romosozumab 70 mg39.127.4 – 50.7
Romosozumab 140 mg44.635.1 – 54.1
Romosozumab 210 mg56.346.6 – 65.9
Week 16
GroupValue95% CI
Placebo43.134.1 – 52.1
Romosozumab 70 mg31.620.9 – 42.4
Romosozumab 140 mg39.730.9 – 48.6
Romosozumab 210 mg50.141.2 – 59.1
Week 20
GroupValue95% CI
Placebo36.428.3 – 44.6
Romosozumab 70 mg31.021.2 – 40.7
Romosozumab 140 mg35.127.1 – 43.1
Romosozumab 210 mg45.637.5 – 53.8
Week 24
GroupValue95% CI
Placebo33.325.8 – 40.7
Romosozumab 70 mg28.920.1 – 37.8
Romosozumab 140 mg31.724.4 – 39.0
Romosozumab 210 mg40.933.5 – 48.4
Week 36
GroupValue95% CI
Placebo32.425.1 – 39.7
Romosozumab 70 mg26.317.5 – 35.0
Romosozumab 140 mg29.822.5 – 37.0
Romosozumab 210 mg38.731.3 – 46.0
Week 52
GroupValue95% CI
Placebo28.722.2 – 35.1
Romosozumab 70 mg22.815.2 – 30.5
Romosozumab 140 mg28.822.5 – 35.2
Romosozumab 210 mg36.329.8 – 42.7
Time to Radiographic Healing Secondary · 52 weeks

Time to radiographic healing is the time interval from the surgery date for the eligible hip fracture to the date of radiographic healing, defined as effacement of the fracture lines by newly formed bone along the cortices and within the trabecular bone on anteroposterior and lateral (or oblique) radiographs. Radiographic fracture healing was determined by a panel of independent reviewers blinded to treatment. The cumulative incidence function (CIF) method was used to estimate the median time to radiographic healing and the confidence intervals. Unplanned revision surgery to promote healing w

GroupValue95% CI
Placebo16.415.3 – 20.1
Romosozumab 70 mg16.912.9 – 20.3
Romosozumab 140 mg16.613.3 – 17.1
Romosozumab 210 mg16.913.3 – 20.9
Radiographic Union Scale for Hip (RUSH) Score At Each Visit Secondary · Weeks 2, 6, 12, 16, 20, 24, 36, and 52

The radiographic Union Scale for Hip (RUSH) is a semiquantitative scoring assessment to assess hip fracture healing after surgical repair. The RUSH has 4 key domains based on radiographic parameters used by orthopedic surgeons and radiologists in routine clinical practice including cortical bridging (4 to 12 points), cortical fracture line disappearance (4 to 12 points), trabecular consolidation (1 to 3 points), and trabecular index disappearance of fracture line (1 to 3 points). The score has a minimum of 10 points (definitely not healed) and a maximum of 30 points (definitely healed).

Week 2
GroupValue95% CI
Placebo12.1± 3.3
Romosozumab 70 mg12.7± 3.5
Romosozumab 140 mg12.1± 3.4
Romosozumab 210 mg12.0± 3.1
Week 6
GroupValue95% CI
Placebo18.1± 3.6
Romosozumab 70 mg18.0± 4.2
Romosozumab 140 mg18.4± 3.4
Romosozumab 210 mg18.3± 4.0
Week 12
GroupValue95% CI
Placebo23.3± 4.6
Romosozumab 70 mg22.8± 4.8
Romosozumab 140 mg22.9± 4.8
Romosozumab 210 mg22.3± 5.3
Week 16
GroupValue95% CI
Placebo25.6± 4.3
Romosozumab 70 mg25.7± 4.5
Romosozumab 140 mg25.5± 5.0
Romosozumab 210 mg25.5± 4.7
Week 20
GroupValue95% CI
Placebo26.8± 4.1
Romosozumab 70 mg27.3± 4.1
Romosozumab 140 mg27.4± 4.0
Romosozumab 210 mg26.4± 4.6
Week 24
GroupValue95% CI
Placebo27.8± 3.4
Romosozumab 70 mg27.8± 3.9
Romosozumab 140 mg28.3± 3.5
Romosozumab 210 mg27.3± 3.9
Week 36
GroupValue95% CI
Placebo28.7± 2.6
Romosozumab 70 mg28.3± 3.6
Romosozumab 140 mg29.1± 2.1
Romosozumab 210 mg28.2± 3.5
Week 52
GroupValue95% CI
Placebo29.4± 2.0
Romosozumab 70 mg28.5± 3.8
Romosozumab 140 mg29.6± 1.8
Romosozumab 210 mg28.7± 3.3
Harris Hip Score At Each Visit Secondary · Weeks 2, 6, 12, 16, 20, 24, 36, and 52

The Harris Hip Score is a clinician-based outcome that assesses pain, function, deformity, and range of motion. The pain domain measures pain severity and its effect on activities and need for pain medication. The function domain consists of daily activities and gait. Deformity takes into account hip flexion, adduction, internal rotation, and extremity length discrepancy. Range of motion measures hip flexion, abduction, external and internal rotation, and adduction. The score ranges form 0-100 (best possible outcome) covering pain (0-44 points), function (0-47 points), absence of deformity (4

Week 2
GroupValue95% CI
Placebo46.643.1 – 50.1
Romosozumab 70 mg47.743.6 – 51.9
Romosozumab 140 mg47.343.9 – 50.8
Romosozumab 210 mg46.543.1 – 50.0
Week 6
GroupValue95% CI
Placebo58.655.1 – 62.1
Romosozumab 70 mg62.558.3 – 66.7
Romosozumab 140 mg61.658.1 – 65.0
Romosozumab 210 mg59.555.9 – 63.0
Week 12
GroupValue95% CI
Placebo71.267.9 – 74.5
Romosozumab 70 mg70.967.0 – 74.9
Romosozumab 140 mg71.768.3 – 75.1
Romosozumab 210 mg69.666.2 – 72.9
Week 16
GroupValue95% CI
Placebo74.170.8 – 77.4
Romosozumab 70 mg76.572.6 – 80.5
Romosozumab 140 mg76.172.7 – 79.4
Romosozumab 210 mg72.869.4 – 76.2
Week 20
GroupValue95% CI
Placebo76.273.0 – 79.3
Romosozumab 70 mg80.276.4 – 83.9
Romosozumab 140 mg80.577.4 – 83.6
Romosozumab 210 mg77.574.3 – 80.7
Week 24
GroupValue95% CI
Placebo79.076.2 – 81.8
Romosozumab 70 mg80.376.8 – 83.7
Romosozumab 140 mg83.080.1 – 85.8
Romosozumab 210 mg80.177.2 – 83.0
Week 36
GroupValue95% CI
Placebo80.377.0 – 83.6
Romosozumab 70 mg82.078.1 – 85.8
Romosozumab 140 mg86.883.5 – 90.2
Romosozumab 210 mg83.680.2 – 86.9
Week 52
GroupValue95% CI
Placebo84.381.3 – 87.4
Romosozumab 70 mg86.783.0 – 90.3
Romosozumab 140 mg89.085.9 – 92.1
Romosozumab 210 mg83.880.7 – 86.9
Hip Pain Score at Each Visit Secondary · Weeks 2, 6, 12, 16, 20, 24, 36, and 52

Hip pain was assessed using a visual analog scale (VAS). Participants were asked to rate their pain as a result of the hip fracture on a 100 mm vertical scale with 0 indicating no pain at all and 100 indicating the worst pain they could imagine. LSMs were based on a repeated measures model fitted with hip pain score values at weeks 2, 6, 12, 16, 20, 24, 36, and 52 as the dependent variable and adjusted for treatment, randomized strata, gender, pre-fracture community-dwelling status, pre-fracture walking aid use, quality of surgical fixation, visit, and treatment-by-visit interaction.

Week 2
GroupValue95% CI
Placebo34.328.2 – 40.4
Romosozumab 70 mg33.125.9 – 40.3
Romosozumab 140 mg40.334.4 – 46.2
Romosozumab 210 mg43.037.1 – 48.9
Week 6
GroupValue95% CI
Placebo26.320.8 – 31.7
Romosozumab 70 mg19.513.1 – 26.0
Romosozumab 140 mg25.119.7 – 30.4
Romosozumab 210 mg27.522.1 – 32.9
Week 12
GroupValue95% CI
Placebo19.414.1 – 24.8
Romosozumab 70 mg17.811.5 – 24.1
Romosozumab 140 mg17.512.1 – 22.8
Romosozumab 210 mg23.718.3 – 29.0
Week 16
GroupValue95% CI
Placebo18.113.0 – 23.3
Romosozumab 70 mg13.57.4 – 19.6
Romosozumab 140 mg16.811.8 – 21.8
Romosozumab 210 mg17.412.2 – 22.5
Week 20
GroupValue95% CI
Placebo15.811.2 – 20.4
Romosozumab 70 mg9.23.8 – 14.7
Romosozumab 140 mg14.09.5 – 18.5
Romosozumab 210 mg15.010.5 – 19.6
Week 24
GroupValue95% CI
Placebo13.89.6 – 18.0
Romosozumab 70 mg9.14.0 – 14.2
Romosozumab 140 mg12.78.4 – 17.0
Romosozumab 210 mg13.18.8 – 17.3
Week 36
GroupValue95% CI
Placebo14.39.6 – 19.0
Romosozumab 70 mg10.95.4 – 16.4
Romosozumab 140 mg11.66.8 – 16.3
Romosozumab 210 mg10.25.5 – 14.9
Week 52
GroupValue95% CI
Placebo13.49.2 – 17.7
Romosozumab 70 mg7.22.1 – 12.3
Romosozumab 140 mg9.35.1 – 13.5
Romosozumab 210 mg10.46.2 – 14.6

Adverse events — posted to ClinicalTrials.gov

Time frame: 52 weeks. Reporting threshold: 5%. Adverse-event reports describe events observed during the trial — not all are caused by the drug.

Placebo
Serious: 25/87 (29%)
Deaths:
Romosozumab 70 mg
Serious: 9/60 (15%)
Deaths:
Romosozumab 140 mg
Serious: 15/89 (17%)
Deaths:
Romosozumab 210 mg
Serious: 26/89 (29%)
Deaths:

Serious adverse events (81 terms)

ReactionSystemPlaceboRomosozumab 70 mgRomosozumab 140 mgRomosozumab 210 mg
CellulitisInfections and infestations
Postoperative wound infectionInfections and infestations
Acute myocardial infarctionCardiac disorders
PneumoniaInfections and infestations
Hip fractureInjury, poisoning and procedural complications
OsteoarthritisMusculoskeletal and connective tissue disorders
Acute pulmonary oedemaRespiratory, thoracic and mediastinal disorders
AnaemiaBlood and lymphatic system disorders
Acute coronary syndromeCardiac disorders
Atrial fibrillationCardiac disorders
Atrioventricular blockCardiac disorders
Cardiac arrestCardiac disorders
Cardiac disorderCardiac disorders
Cardiac failureCardiac disorders
Cardiac failure congestiveCardiac disorders
Cardio-respiratory arrestCardiac disorders
Haemorrhage coronary arteryCardiac disorders
Myocardial infarctionCardiac disorders
Abdominal painGastrointestinal disorders
DiarrhoeaGastrointestinal disorders
Duodenal ulcer haemorrhageGastrointestinal disorders
HaematemesisGastrointestinal disorders
Intestinal haemorrhageGastrointestinal disorders
Pancreatitis acuteGastrointestinal disorders
DeathGeneral disorders
Other adverse events (12 terms — click to expand)

ReactionSystemPlaceboRomosozumab 70 mgRomosozumab 140 mgRomosozumab 210 mg
ConstipationGastrointestinal disorders
DiarrhoeaGastrointestinal disorders
Urinary tract infectionInfections and infestations
NauseaGastrointestinal disorders
Back painMusculoskeletal and connective tissue disorders
ArthralgiaMusculoskeletal and connective tissue disorders
Procedural painInjury, poisoning and procedural complications
OsteoarthritisMusculoskeletal and connective tissue disorders
Pain in extremityMusculoskeletal and connective tissue disorders
HypertensionVascular disorders
PyrexiaGeneral disorders
ContusionInjury, poisoning and procedural complications

Most-reported serious reactions: Cellulitis, Postoperative wound infection, Acute myocardial infarction, Pneumonia, Hip fracture, Osteoarthritis, Acute pulmonary oedema, Anaemia.

Data from ClinicalTrials.gov NCT01081678 adverse events section.

Sponsor's own description

This is an international, multi-center study to determine the efficacy, safety, and tolerability of romosozumab (AMG 785) in adults with a fresh unilateral hip fracture, status post surgical fixation.

Publications & conference data

8 peer-reviewed publications reference this trial (live from Europe PMC):

  1. Bone regeneration strategies: Engineered scaffolds, bioactive molecules and stem cells current stage and future perspectives.
    Ho-Shui-Ling A, Bolander J, Rustom LE, Johnson AW, et al · · 2018 · cited 606× · PMID 30036727 · DOI 10.1016/j.biomaterials.2018.07.017
  2. Fracture healing physiology and the quest for therapies for delayed healing and nonunion.
    Kostenuik P, Mirza FM. · · 2017 · cited 120× · PMID 27743449 · DOI 10.1002/jor.23460
  3. Role of sclerostin in bone and cartilage and its potential as a therapeutic target in bone diseases.
    Lewiecki EM. · · 2014 · cited 112× · PMID 24688605 · DOI 10.1177/1759720x13510479
  4. A Randomized, Placebo-Controlled Study of Romosozumab for the Treatment of Hip Fractures.
    Schemitsch EH, Miclau T, Karachalios T, Nowak LL, et al · · 2020 · cited 61× · PMID 31977817 · DOI 10.2106/jbjs.19.00790
  5. Advances in regenerative orthopedics.
    Evans CH. · · 2013 · cited 56× · PMID 24182709 · DOI 10.1016/j.mayocp.2013.04.027
  6. Sclerostin Antibody Therapy for the Treatment of Osteoporosis: Clinical Prospects and Challenges.
    MacNabb C, Patton D, Hayes JS. · · 2016 · cited 44× · PMID 27313945 · DOI 10.1155/2016/6217286
  7. Sclerostin inhibition: a novel therapeutic approach in the treatment of osteoporosis.
    Shah AD, Shoback D, Lewiecki EM. · · 2015 · cited 40× · PMID 26082665 · DOI 10.2147/ijwh.s73244
  8. Treatment effects, adverse outcomes and cardiovascular safety of romosozumab - Existing worldwide data: A systematic review and meta-analysis.
    Wong RMY, Wong PY, Liu C, Wong HY, et al · · 2024 · cited 8× · PMID 39189010 · DOI 10.1016/j.jot.2024.07.011

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