Trial Outcomes & Findings for Comparison of the Effect of an Ongoing Treatment With Alendronate or a Drug Holiday on the Fracture Risk in Osteoporotic Patients With Bisphosphonate Long Term Therapy (NCT NCT01512446)

NCT ID: NCT01512446

Last Updated: 2019-02-12

Results Overview

Number of new osteoporotic fractures. All fractures which occurred without high impact trauma (i.e. atraumatically, minor accidents and falls from standing height and lower) were regarded as osteoporotic fractures, except for fractures of fingers, face, skull and toes.

Recruitment status

TERMINATED

Study phase

PHASE3

Target enrollment

436 participants

Primary outcome timeframe

From baseline to study termination (mean duration 5.6 months)

Results posted on

2019-02-12

Participant Flow

The study was early terminated due to a low recruitment rate

Participant milestones

Participant milestones
Measure
Placebo
Placebo, administered orally once weekly
Alendronate
Alendronate 70 mg, administered orally once weekly
Overall Study
STARTED
221
215
Overall Study
Safety Analysis Set
197
188
Overall Study
COMPLETED
0
0
Overall Study
NOT COMPLETED
221
215

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Comparison of the Effect of an Ongoing Treatment With Alendronate or a Drug Holiday on the Fracture Risk in Osteoporotic Patients With Bisphosphonate Long Term Therapy

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Placebo
n=221 Participants
Placebo, administered orally once weekly
Alendronate
n=215 Participants
Alendronate 70 mg, administered orally once weekly
Total
n=436 Participants
Total of all reporting groups
Age, Continuous
75.3 Years
STANDARD_DEVIATION 6.9 • n=99 Participants
74.3 Years
STANDARD_DEVIATION 7.1 • n=107 Participants
74.8 Years
STANDARD_DEVIATION 7.0 • n=206 Participants
Sex: Female, Male
Female
194 Participants
n=99 Participants
203 Participants
n=107 Participants
397 Participants
n=206 Participants
Sex: Female, Male
Male
27 Participants
n=99 Participants
12 Participants
n=107 Participants
39 Participants
n=206 Participants
Region of Enrollment
Germany
221 Participants
n=99 Participants
215 Participants
n=107 Participants
436 Participants
n=206 Participants

PRIMARY outcome

Timeframe: From baseline to study termination (mean duration 5.6 months)

Population: Full Analysis Set (all randomized participants)

Number of new osteoporotic fractures. All fractures which occurred without high impact trauma (i.e. atraumatically, minor accidents and falls from standing height and lower) were regarded as osteoporotic fractures, except for fractures of fingers, face, skull and toes.

Outcome measures

Outcome measures
Measure
Placebo
n=221 Participants
Placebo, administered orally once weekly
Alendronate
n=215 Participants
Alendronate 70 mg, administered orally once weekly
Number of New Osteoporotic Fractures
5 osteoporotic fractures
5 osteoporotic fractures

SECONDARY outcome

Timeframe: From baseline to study termination (mean duration 5.6 months)

Population: Full Analysis Set (all randomized participants)

Number of deaths

Outcome measures

Outcome measures
Measure
Placebo
n=221 Participants
Placebo, administered orally once weekly
Alendronate
n=215 Participants
Alendronate 70 mg, administered orally once weekly
Mortality
2 Participants
0 Participants

SECONDARY outcome

Timeframe: From baseline to study termination (mean duration 5.6 months)

Population: Full Analysis Set (all randomized participants)

Number of participants with a new osteoporotic fracture or death

Outcome measures

Outcome measures
Measure
Placebo
n=221 Participants
Placebo, administered orally once weekly
Alendronate
n=215 Participants
Alendronate 70 mg, administered orally once weekly
Combination of New Osteoporotic Fractures and Deaths
7 Participants
5 Participants

Adverse Events

Placebo

Serious events: 38 serious events
Other events: 113 other events
Deaths: 0 deaths

Alendronate

Serious events: 31 serious events
Other events: 94 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Placebo
n=197 participants at risk
Placebo, administered orally once weekly
Alendronate
n=188 participants at risk
Alendronate 70 mg, administered orally once weekly
Cardiac disorders
Myocardial infarction
0.51%
1/197
0.00%
0/188
Blood and lymphatic system disorders
Microcytic anaemia
0.51%
1/197
0.00%
0/188
Cardiac disorders
Acute coronary syndrome
0.51%
1/197
0.00%
0/188
Cardiac disorders
Cardiac failure
1.0%
2/197
0.53%
1/188
Cardiac disorders
Myocarditis
0.00%
0/197
0.53%
1/188
Ear and labyrinth disorders
Vertigo
0.00%
0/197
0.53%
1/188
Endocrine disorders
Toxic nodular goitre
0.51%
1/197
0.00%
0/188
Gastrointestinal disorders
Abdominal pain
0.51%
1/197
0.00%
0/188
Gastrointestinal disorders
Abdominal pain upper
1.0%
2/197
0.00%
0/188
Gastrointestinal disorders
Diverticulitis
0.51%
1/197
0.00%
0/188
Gastrointestinal disorders
Gastric ulcer
0.00%
0/197
0.53%
1/188
Gastrointestinal disorders
Gastrointestinal haemorrhage
0.00%
0/197
0.53%
1/188
Gastrointestinal disorders
Pancreas infection
0.51%
1/197
0.00%
0/188
General disorders
Impaired healing
0.51%
1/197
0.00%
0/188
General disorders
Pain
0.51%
1/197
0.00%
0/188
Hepatobiliary disorders
Liver disorder
0.00%
0/197
0.53%
1/188
Injury, poisoning and procedural complications
Atypical femur fracture
0.51%
1/197
0.00%
0/188
Injury, poisoning and procedural complications
Facial bones fracture
0.00%
0/197
0.53%
1/188
Injury, poisoning and procedural complications
Fall
0.51%
1/197
0.00%
0/188
Injury, poisoning and procedural complications
Femur fracture
0.51%
1/197
0.00%
0/188
Injury, poisoning and procedural complications
Foot fracture
0.00%
0/197
0.53%
1/188
Injury, poisoning and procedural complications
Fractured sacrum
0.00%
0/197
1.1%
2/188
Injury, poisoning and procedural complications
Hand fracture
0.00%
0/197
0.53%
1/188
Injury, poisoning and procedural complications
Hip fracture
0.51%
1/197
0.00%
0/188
Injury, poisoning and procedural complications
Overdose
0.51%
1/197
0.00%
0/188
Injury, poisoning and procedural complications
Pelvic fracture
1.0%
2/197
0.53%
1/188
Injury, poisoning and procedural complications
Pubis fracture
0.51%
1/197
0.00%
0/188
Injury, poisoning and procedural complications
Rib fracture
0.00%
0/197
0.53%
1/188
Injury, poisoning and procedural complications
Skull fracture
0.00%
0/197
0.53%
1/188
Injury, poisoning and procedural complications
Spinal fracture
0.51%
1/197
0.00%
0/188
Injury, poisoning and procedural complications
Sternal fracture
0.00%
0/197
1.1%
2/188
Investigations
Catheterisation cardiac
0.51%
1/197
0.00%
0/188
Investigations
Hysteroscopy
0.00%
0/197
0.53%
1/188
Metabolism and nutrition disorders
Anaemia vitamin B12 deficiency
0.51%
1/197
0.00%
0/188
Musculoskeletal and connective tissue disorders
Lumbar spinal stenosis
0.51%
1/197
0.53%
1/188
Musculoskeletal and connective tissue disorders
Osteochondrosis
0.51%
1/197
0.00%
0/188
Musculoskeletal and connective tissue disorders
Osteonecrosis of jaw
0.00%
0/197
0.53%
1/188
Musculoskeletal and connective tissue disorders
Pain in extremity
0.00%
0/197
0.53%
1/188
Musculoskeletal and connective tissue disorders
Sciatica
0.51%
1/197
0.00%
0/188
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Non-small cell lung cancer
0.51%
1/197
0.00%
0/188
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Pancreatic carcinoma
0.51%
1/197
0.00%
0/188
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Rectal adenoma
0.51%
1/197
0.00%
0/188
Nervous system disorders
Carotid artery stenosis
0.51%
1/197
0.00%
0/188
Nervous system disorders
Cerebellar infarction
0.51%
1/197
0.00%
0/188
Nervous system disorders
Syncope
0.51%
1/197
0.00%
0/188
Nervous system disorders
Transient ischaemic attack
0.51%
1/197
1.1%
2/188
Renal and urinary disorders
Urinary incontinence
0.00%
0/197
0.53%
1/188
Reproductive system and breast disorders
Endometrial hyperplasia
0.00%
0/197
0.53%
1/188
Respiratory, thoracic and mediastinal disorders
Chronic obstructive pulmonary disease
0.00%
0/197
0.53%
1/188
Respiratory, thoracic and mediastinal disorders
Epistaxis
0.51%
1/197
0.00%
0/188
Respiratory, thoracic and mediastinal disorders
Pulmonary hypertension
0.51%
1/197
0.00%
0/188
Respiratory, thoracic and mediastinal disorders
Respiratory failure
0.51%
1/197
0.00%
0/188
Skin and subcutaneous tissue disorders
Rash
0.00%
0/197
0.53%
1/188
Surgical and medical procedures
Angioplasty
0.51%
1/197
0.00%
0/188
Surgical and medical procedures
Aortic valve replacement
0.51%
1/197
0.00%
0/188
Surgical and medical procedures
Dupuytren's contracture operation
0.51%
1/197
0.00%
0/188
Surgical and medical procedures
Inguinal hernia repair
0.51%
1/197
0.00%
0/188
Surgical and medical procedures
Knee arthroplasty
1.0%
2/197
0.00%
0/188
Surgical and medical procedures
Peripheral artery angioplasty
0.51%
1/197
0.00%
0/188
Surgical and medical procedures
Salpingo-oophorectomy
0.00%
0/197
1.1%
2/188
Surgical and medical procedures
Shoulder operation
0.00%
0/197
0.53%
1/188
Surgical and medical procedures
Toe operation
0.00%
0/197
0.53%
1/188
Surgical and medical procedures
Tooth extraction
0.51%
1/197
0.00%
0/188
Vascular disorders
Haematoma infection
0.51%
1/197
0.00%
0/188
Vascular disorders
Hypertension
0.51%
1/197
1.1%
2/188
Vascular disorders
Peripheral artery occlusion
0.00%
0/197
0.53%
1/188
Nervous system disorders
Dizziness
0.00%
0/197
0.53%
1/188

Other adverse events

Other adverse events
Measure
Placebo
n=197 participants at risk
Placebo, administered orally once weekly
Alendronate
n=188 participants at risk
Alendronate 70 mg, administered orally once weekly
Gastrointestinal disorders
Abdominal pain upper
11.7%
23/197
8.0%
15/188
Gastrointestinal disorders
Constipation
11.7%
23/197
5.9%
11/188
Gastrointestinal disorders
Tooth disorder
5.6%
11/197
4.8%
9/188
General disorders
Fatigue
15.2%
30/197
14.4%
27/188
General disorders
Hyperhidrosis
15.2%
30/197
11.2%
21/188
General disorders
Oedema peripheral
9.6%
19/197
7.4%
14/188
Infections and infestations
Upper respiratory tract infection
10.7%
21/197
6.4%
12/188
Musculoskeletal and connective tissue disorders
Arthralgia
28.9%
57/197
23.4%
44/188
Musculoskeletal and connective tissue disorders
Back pain
5.6%
11/197
4.3%
8/188
Musculoskeletal and connective tissue disorders
Musculoskeletal pain
19.8%
39/197
14.4%
27/188
Nervous system disorders
Dizziness
19.3%
38/197
11.7%
22/188
Nervous system disorders
Headache
11.2%
22/197
13.3%
25/188
Respiratory, thoracic and mediastinal disorders
Cough
12.2%
24/197
7.4%
14/188
Respiratory, thoracic and mediastinal disorders
Dyspnoea
14.2%
28/197
7.4%
14/188
Skin and subcutaneous tissue disorders
Cutaneous symptom
10.7%
21/197
7.4%
14/188
Vascular disorders
Hypertension
11.7%
23/197
6.9%
13/188

Additional Information

Johannes Pfeilschifter, MD

Ruhr-Universität Bochum

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place