Alzheimers DiseaseNCT01469351
Identifying Potential Effects of Liraglutide on Degenerative Changes
A study testing Liraglutide and non-active study drug in people with Alzheimers Disease, run by University of Aarhus at 1 site in Denmark.
Trial summary
Today Alzheimers disease can not be cured. Animal experiments have shown that the hormone GLP-1 can improve memory in Alzheimer-prone mice. The investigators hypothesis is that a 6-month treatment with the GLP-1 receptor stimulating drug liraglutide will reduce the intracerebral amyloid deposition in the central… Read more about this study
- Who is it for?
- Ages 50 to 80 years
- Conditions the study is for
- Alzheimers Disease
- What is being tested?
- Liraglutide and non-active study drug
- Type of treatment
- Injection or infusion
- Could I receive a placebo?
- Yes, some participants may receive a placebo
- How many people
- 34 participants
- Where
- 1 siteDenmark
- Study dates
- Jan 2012to Apr 2013
- Phase
- Interventional
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 50 to 80 years
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- Informed consent before study-related activity
- Adult competent persons
- Diagnosed with diagnosed Alzheimer's disease. With a MMSE score between 18-21 the diagnosis should be entirely based on the clinic, while diagnosis by MMSE with a score > 22 should be diagnosed by spinal puncture
- Age ≥ 50 years and ≤ 80 years
- Caucasians
Who cannot join
- Diabetes mellitus
- Clinically significant liver (s-ALT > 2 times upper reference or creatinine-clearance < 30 mL / min, assessed on Cockcroft-Gault normogram)
- Clinically significant anemia
- Other clinically relevant abnormal biochemical value
- Current or former presence of one of the following diseases with clinical relevance:
- another CNS-illness other than diagnosed depression treated with SSRI or SSRI similar drugs.
Show all 21Show fewer
- liver disease
- kidney disease
- endocrinological disease other than well controlled hypothyroidism
- Current or history of chronic or acute pancreatitis
- Any disease which the investigators believe may affect the study
- Patients treated with TCA or neuroleptics
- Known abuse of alcohol or drugs
- Known allergy to liraglutide or any of the other components (disodium phosphate dihydrate, propylene glycol and phenol)
- Participation in a clinical trial less than 3 months before inclusion in this study
- Persons who within a period of the last 2 years have participated in scientific experiments involving the use of isotopes, or who have had greater diagnostic tests performed using applied ionizing radiation
- If patients are treated with SSRI or SSRI similar drugs or antihypertensives this treatment should be stable
- Claustrophobia or other missing cooperation
- Severe overweight > 130kg
- Ferro-magnetic prosthesis, pacemaker or other metals incorporated in the body
- Significant abnormities in the brain detected by MR scanning
Trial locations and contacts
1 site in 1 country.
About this study
Official title: Neurodegenerative Changes in Alzheimer's Disease: Identifying Potential Effects of Liraglutide on Degenerative Changes
Today Alzheimers disease can not be cured. Animal experiments have shown that the hormone GLP-1 can improve memory in Alzheimer-prone mice.
The investigators hypothesis is that a 6-month treatment with the GLP-1 receptor stimulating drug liraglutide will reduce the intracerebral amyloid deposition in the central nervous system (CNS) in patients with Alzheimer's disease (AD) and thereby reduce the clinical symptoms of the disease.
Read the detailed description
The incidences of both type 2 diabetes (DM-2) and Alzheimer's disease (AD) have increased during the last years, resulting in an increase in morbidity and mortality. DM-2 is a risk factor for both AD and vascular dementia. In addition, an increased incidence of DM-2 in Alzheimer's patients has been observed. The understanding of the underlying mechanism behind this linkage is so far very sparse.
In both diseases premature cell degeneration develops. DM-2 is characterized by a loss of β-cell function and β cell mass in the pancreas, whereas AD shows a loss of neuronal function as well as neuronal cell death. General metabolic risk factors such as hyperglycemia and hypercholesterolemia are evident in both diseases.
Glucagon-like-peptide-1 (GLP-1) is an incretin hormone with numerous documented effects on the glycaemic response. It is released as a response to food ingestion and consequently exerts a glucose-dependent stimulation of insulin secretion while inhibiting glucagon secretion. In animal experiments as well as cell experiments β-cell neogenesis, growth and differentiation are stimulated by GLP-1, and inhibition of β-cell apoptosis has been demonstrated in cell studies. In addition to α- and β-cells of the pancreas, GLP-1 receptors (GLP-1R) have been localized to the CNS, where GLP-1R are distributed corresponding to the hypothalamus and hippocampus. Experimental investigations on mice where GLP-1 was given intra-cerebroventricularly, GLP-1R stimulation reduced nerve cell damage caused by neurotoxic stimuli. Furthermore, GLP-1R stimulation in hippocampus induced learning ability and memory and it has been shown that GLP-1R stimulation leeds to neurite outgrowth and protects against nerve cell apoptosis.
In connection with hyperinsulinaemia in early stages of DM-2, studies suggest that stimulation of insulin receptors represented in the brain produce an increased level of β-amyloid and an increased number of neurofibrillary tangles. AD is pathologically characterized by an increased level of β-amyloid as well as an increased number of neurofibrillar tangles. Accumulation of β-amyloid in the brain is localized to areas with cognitive functions. A recent animal experimental work has shown reduced memory in GLP-1 receptor KO mice and mentions the lack of a possible neuroprotective effect as a potential explanation for the observation. In studies of humans a worsening of the cognitive functions has been shown to be associated with dementia and DM-2, even though an actual causal relation has not yet been found. The investigators have recently shown that GLP-1 has a neuroprotective function in patients with DM-2.
Positron emission tomography (PET) scanning has been well evaluated in clinical demonstration of CNS changes following AD including changes in amyloid deposits.
Presently there are no registered drugs which change the deposition of amyloid and there are no drugs with convincing effect on the progression of the disease in patients with Alzheimer's. Moreover the drugs which have been marketed for treatment have a disadvantageous side effect profile. Besides insulin, β-cells secrete amylin, amyloid or IAPP (islet amyloid polypeptide) and these thus share certain characteristics with β-amyloid. Previously IAPP was considered to be non-toxic but recent studies have indicated a possible conversion to toxic β-amyloid.
The insulin-producing β-cells have been found to be characterized by accumulation of amyloid in several DM-2 models. A recent study with treatment with DPP-4 inhibitors (increasing endogenous GLP-1) improved glucose tolerance, increased GLP-1 levels and normalized the topography of the islets of Langerhans in a mouse model with β cell specific over expression of human amyloid.
The investigators hypothesis is that a 26 week treatment with the GLP-1 receptor stimulating pharmaceutical liraglutide will reduce the intracerebral amyloid deposition in the CNS in patients with Alzheimer's disease, as demonstrated by PET.
The investigators aim is that this clinical study will be able to give new information about the effect of the GLP-1 axis in the CNS and explore the potential for treatment of large groups of patients who cannot be offered effective drugs today. Altogether the results from the studies will contribute to the development of future treatment options for AD.
- Conditions
- Alzheimers Disease
- Being tested
- Liraglutide, non-active study drug
- Keywords
- Alzheimers disease
- Medical subject headings
- Alzheimer Disease
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
LiraglutideDrug
Liraglutide (Victoza ®), human GLP-1 analog produced using recombinant DNA technology in saccharomyces cerevisiae. Victoza ® is registered and approved for the treatment of type 2 diabetes.
Victoza ® stimulates glucose-dependent insulin secretion from β-cells and inhibits glucagon secretion, slows ventricle emptying and reduces body weight and body fat mass by affecting appetite regulation.
Form of administration: Liraglutide is a clear injection fluid, which comes in a prefilled disposable pen.
1 ml contains 6 mg of liraglutide in sterile water. There is added disodium phosphate and propylene glycol and the preservative phenol. A filled pen contains 18mg liraglutide in 3ml. NovoFine® needles are used.
non-active study drugDrug
placebo
| Study group | Role | What they receive |
|---|---|---|
| Drug | Active comparator | the GLP-1 receptor analog liraglutide is the active drug. The dose is 1.8mg daily Receives: Drug: Liraglutide |
| placebo | Placebo comparator | non active intervention Receives: Drug: non-active study drug |
What is being measured
The primary outcome is the main question the study is designed to answer.
PIB PET scan
Primarily to investigate whether 26 weeks of treatment with GLP-1 receptor liraglutide (Victoza ®) will change the intra-cerebral amyloid deposit in the CNS in patients with Alzheimer's disease assessed by PIB PET scan.
Measured: PIB PET-scan at baseline and after 26 weeks
Secondary outcomes (2)
Neuro-psychological tests
To validate the cognitive functions using specific neuro-psychological test battery before and after treatment with liraglutide/placebo.
Measured: At baseline, after 12 weeks and after 26 weeks
FDG PET Scan
To examine changes in glucose uptake in the CNS by FDG PET scan before and after 6 months of treatment with liraglutide/placebo
Measured: FDG PET-scan at baseline and after 26 weeks
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted10 Nov 2011 (estimated)
- Study startJan 2012
- Primary completionApr 2013
- Study completionApr 2013
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (7)Papers the sponsor has linked to this study.
- Other trials for Alzheimers DiseaseStudies of the same condition, open and under way.
- More trials run by University of AarhusThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Quadruple blind
- Who is masked
- Participant, Care provider, Investigator, Outcomes assessor
- Enrolment
- 34 participants (actual)
Sponsor and investigators
- Lead sponsor
- University of Aarhus
- Sponsor type
- University, hospital or other
- Responsible party
- Sponsor
- Investigators
- Birgitte Brock, MD phD, Principal investigator, University of Aarhus
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT01469351
- Sponsor's protocol ID
- 2011-000794-31
- Status last verified
- Apr 2013
- First submitted
- 1 Nov 2011
- Last updated
- 19 Apr 2013
- Results posted
- No
- Data monitoring committee
- Yes
Publications
Abbas T, Faivre E, Holscher C. Impairment of synaptic plasticity and memory formation in GLP-1 receptor KO mice: Interaction between type 2 diabetes and Alzheimer's disease. Behav Brain Res. 2009 Dec 14;205(1):265-71. doi: 10.1016/j.bbr.2009.06.035. Epub 2009 Jun 30.
PubMed 19573562Cole AR, Astell A, Green C, Sutherland C. Molecular connexions between dementia and diabetes. Neurosci Biobehav Rev. 2007;31(7):1046-63. doi: 10.1016/j.neubiorev.2007.04.004. Epub 2007 Apr 24.
PubMed 17544131Dimou E, Booij J, Rodrigues M, Prosch H, Attems J, Knoll P, Zajicek B, Dudczak R, Mostbeck G, Kuntner C, Langer O, Bruecke T, Mirzaei S. Amyloid PET and MRI in Alzheimer's disease and mild cognitive impairment. Curr Alzheimer Res. 2009 Jun;6(3):312-9. doi: 10.2174/156720509788486563.
PubMed 19519314During MJ, Cao L, Zuzga DS, Francis JS, Fitzsimons HL, Jiao X, Bland RJ, Klugmann M, Banks WA, Drucker DJ, Haile CN. Glucagon-like peptide-1 receptor is involved in learning and neuroprotection. Nat Med. 2003 Sep;9(9):1173-9. doi: 10.1038/nm919. Epub 2003 Aug 17.
PubMed 12925848Muscogiuri G, DeFronzo RA, Gastaldelli A, Holst JJ. Glucagon-like Peptide-1 and the Central/Peripheral Nervous System: Crosstalk in Diabetes. Trends Endocrinol Metab. 2017 Feb;28(2):88-103. doi: 10.1016/j.tem.2016.10.001. Epub 2016 Oct 27.
PubMed 27871675Gejl M, Gjedde A, Egefjord L, Moller A, Hansen SB, Vang K, Rodell A, Braendgaard H, Gottrup H, Schacht A, Moller N, Brock B, Rungby J. In Alzheimer's Disease, 6-Month Treatment with GLP-1 Analog Prevents Decline of Brain Glucose Metabolism: Randomized, Placebo-Controlled, Double-Blind Clinical Trial. Front Aging Neurosci. 2016 May 24;8:108. doi: 10.3389/fnagi.2016.00108. eCollection 2016.
PubMed 27252647Egefjord L, Gejl M, Moller A, Braendgaard H, Gottrup H, Antropova O, Moller N, Poulsen HE, Gjedde A, Brock B, Rungby J. Effects of liraglutide on neurodegeneration, blood flow and cognition in Alzheimer s disease - protocol for a controlled, randomized double-blinded trial. Dan Med J. 2012 Oct;59(10):A4519.
PubMed 23158895
Study at a glance
From the registry record, last updated by the sponsor on 19 Apr 2013. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Neurodegenerative Changes in Alzheimer's Disease: Identifying Potential Effects of Liraglutide on Degenerative Changes
- ClinicalTrials.gov ID
- NCT01469351
- Acronym / sponsor ID
- 2011-000794-31
- Conditions
- Alzheimers Disease
- Keywords
- Alzheimers disease
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 34 participants (actual)
- Lead sponsor
- University of AarhusUniversity, hospital or other
- Study start
- Jan 2012
- Primary completion
- Apr 2013 (actual)
- Study completion
- Apr 2013 (actual)
- First posted
- 10 Nov 2011 (estimated)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
Today Alzheimers disease can not be cured. Animal experiments have shown that the hormone GLP-1 can improve memory in Alzheimer-prone mice.
The investigators hypothesis is that a 6-month treatment with the GLP-1 receptor stimulating drug liraglutide will reduce the intracerebral amyloid deposition in the central nervous system (CNS) in patients with Alzheimer's disease (AD) and thereby reduce the clinical symptoms of the disease.
Detailed description
The incidences of both type 2 diabetes (DM-2) and Alzheimer's disease (AD) have increased during the last years, resulting in an increase in morbidity and mortality. DM-2 is a risk factor for both AD and vascular dementia. In addition, an increased incidence of DM-2 in Alzheimer's patients has been observed. The understanding of the underlying mechanism behind this linkage is so far very sparse.
In both diseases premature cell degeneration develops. DM-2 is characterized by a loss of β-cell function and β cell mass in the pancreas, whereas AD shows a loss of neuronal function as well as neuronal cell death. General metabolic risk factors such as hyperglycemia and hypercholesterolemia are evident in both diseases.
Glucagon-like-peptide-1 (GLP-1) is an incretin hormone with numerous documented effects on the glycaemic response. It is released as a response to food ingestion and consequently exerts a glucose-dependent stimulation of insulin secretion while inhibiting glucagon secretion. In animal experiments as well as cell experiments β-cell neogenesis, growth and differentiation are stimulated by GLP-1, and inhibition of β-cell apoptosis has been demonstrated in cell studies. In addition to α- and β-cells of the pancreas, GLP-1 receptors (GLP-1R) have been localized to the CNS, where GLP-1R are distributed corresponding to the hypothalamus and hippocampus. Experimental investigations on mice where GLP-1 was given intra-cerebroventricularly, GLP-1R stimulation reduced nerve cell damage caused by neurotoxic stimuli. Furthermore, GLP-1R stimulation in hippocampus induced learning ability and memory and it has been shown that GLP-1R stimulation leeds to neurite outgrowth and protects against nerve cell apoptosis.
In connection with hyperinsulinaemia in early stages of DM-2, studies suggest that stimulation of insulin receptors represented in the brain produce an increased level of β-amyloid and an increased number of neurofibrillary tangles. AD is pathologically characterized by an increased level of β-amyloid as well as an increased number of neurofibrillar tangles. Accumulation of β-amyloid in the brain is localized to areas with cognitive functions. A recent animal experimental work has shown reduced memory in GLP-1 receptor KO mice and mentions the lack of a possible neuroprotective effect as a potential explanation for the observation. In studies of humans a worsening of the cognitive functions has been shown to be associated with dementia and DM-2, even though an actual causal relation has not yet been found. The investigators have recently shown that GLP-1 has a neuroprotective function in patients with DM-2.
Positron emission tomography (PET) scanning has been well evaluated in clinical demonstration of CNS changes following AD including changes in amyloid deposits.
Presently there are no registered drugs which change the deposition of amyloid and there are no drugs with convincing effect on the progression of the disease in patients with Alzheimer's. Moreover the drugs which have been marketed for treatment have a disadvantageous side effect profile. Besides insulin, β-cells secrete amylin, amyloid or IAPP (islet amyloid polypeptide) and these thus share certain characteristics with β-amyloid. Previously IAPP was considered to be non-toxic but recent studies have indicated a possible conversion to toxic β-amyloid.
The insulin-producing β-cells have been found to be characterized by accumulation of amyloid in several DM-2 models. A recent study with treatment with DPP-4 inhibitors (increasing endogenous GLP-1) improved glucose tolerance, increased GLP-1 levels and normalized the topography of the islets of Langerhans in a mouse model with β cell specific over expression of human amyloid.
The investigators hypothesis is that a 26 week treatment with the GLP-1 receptor stimulating pharmaceutical liraglutide will reduce the intracerebral amyloid deposition in the CNS in patients with Alzheimer's disease, as demonstrated by PET.
The investigators aim is that this clinical study will be able to give new information about the effect of the GLP-1 axis in the CNS and explore the potential for treatment of large groups of patients who cannot be offered effective drugs today. Altogether the results from the studies will contribute to the development of future treatment options for AD.
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Quadruple blind (participant, care provider, investigator, outcomes assessor)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| Drug | Active comparator | Drug: Liraglutidethe GLP-1 receptor analog liraglutide is the active drug. The dose is 1.8mg daily |
| placebo | Placebo comparator | Drug: non-active study drugnon active intervention |
Who may qualify
- Ages
- 50 to 80 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (5 listed)
- Informed consent before study-related activity
- Adult competent persons
- Diagnosed with diagnosed Alzheimer's disease. With a MMSE score between 18-21 the diagnosis should be entirely based on the clinic, while diagnosis by MMSE with a score > 22 should be diagnosed by spinal puncture
- Age ≥ 50 years and ≤ 80 years
- Caucasians
Key exclusion criteria (21 listed)
- Diabetes mellitus
- Clinically significant liver (s-ALT > 2 times upper reference or creatinine-clearance < 30 mL / min, assessed on Cockcroft-Gault normogram)
- Clinically significant anemia
- Other clinically relevant abnormal biochemical value
- Current or former presence of one of the following diseases with clinical relevance:
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| LiraglutideLiraglutide (Victoza ®), human GLP-1 analog produced using recombinant DNA technology in saccharomyces cerevisiae. Victoza ® is registered and approved for the treatment of type 2 diabetes. Victoza ® stimulates glucose-dependent insulin secretion from β-cells and inhibits glucagon secretion, slows ventricle emptying and reduces body weight and body fat mass by affecting appetite regulation. Form of administration: Liraglutide is a clear injection fluid, which comes in a prefilled disposable pen. 1 ml contains 6 mg of liraglutide in sterile water. There is added disodium phosphate and propylene glycol and the preservative phenol. A filled pen contains 18mg liraglutide in 3ml. NovoFine® needles are used. | Drug | Drug |
| non-active study drugplacebo | Drug | placebo |
Primary outcome
PIB PET scan
Time frame: PIB PET-scan at baseline and after 26 weeks
Primarily to investigate whether 26 weeks of treatment with GLP-1 receptor liraglutide (Victoza ®) will change the intra-cerebral amyloid deposit in the CNS in patients with Alzheimer's disease assessed by PIB PET scan.
2 secondary outcomes
Neuro-psychological tests
Time frame: At baseline, after 12 weeks and after 26 weeks
FDG PET Scan
Time frame: FDG PET-scan at baseline and after 26 weeks
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 19 Apr 2013.
- Background: PubMed 19573562Abbas T, Faivre E, Holscher C. Impairment of synaptic plasticity and memory formation in GLP-1 receptor KO mice: Interaction between type 2 diabetes and Alzheimer's disease. Behav Brain Res. 2009 Dec 14;205(1):265-71. doi: 10.1016/j.bbr.2009.06.035. Epub 2009 Jun 30.
- Background: PubMed 17544131Cole AR, Astell A, Green C, Sutherland C. Molecular connexions between dementia and diabetes. Neurosci Biobehav Rev. 2007;31(7):1046-63. doi: 10.1016/j.neubiorev.2007.04.004. Epub 2007 Apr 24.
- Background: PubMed 19519314Dimou E, Booij J, Rodrigues M, Prosch H, Attems J, Knoll P, Zajicek B, Dudczak R, Mostbeck G, Kuntner C, Langer O, Bruecke T, Mirzaei S. Amyloid PET and MRI in Alzheimer's disease and mild cognitive impairment. Curr Alzheimer Res. 2009 Jun;6(3):312-9. doi: 10.2174/156720509788486563.
- Background: PubMed 12925848During MJ, Cao L, Zuzga DS, Francis JS, Fitzsimons HL, Jiao X, Bland RJ, Klugmann M, Banks WA, Drucker DJ, Haile CN. Glucagon-like peptide-1 receptor is involved in learning and neuroprotection. Nat Med. 2003 Sep;9(9):1173-9. doi: 10.1038/nm919. Epub 2003 Aug 17.
- Derived from this study: PubMed 27871675Muscogiuri G, DeFronzo RA, Gastaldelli A, Holst JJ. Glucagon-like Peptide-1 and the Central/Peripheral Nervous System: Crosstalk in Diabetes. Trends Endocrinol Metab. 2017 Feb;28(2):88-103. doi: 10.1016/j.tem.2016.10.001. Epub 2016 Oct 27.
- Derived from this study: PubMed 27252647Gejl M, Gjedde A, Egefjord L, Moller A, Hansen SB, Vang K, Rodell A, Braendgaard H, Gottrup H, Schacht A, Moller N, Brock B, Rungby J. In Alzheimer's Disease, 6-Month Treatment with GLP-1 Analog Prevents Decline of Brain Glucose Metabolism: Randomized, Placebo-Controlled, Double-Blind Clinical Trial. Front Aging Neurosci. 2016 May 24;8:108. doi: 10.3389/fnagi.2016.00108. eCollection 2016.
- Derived from this study: PubMed 23158895Egefjord L, Gejl M, Moller A, Braendgaard H, Gottrup H, Antropova O, Moller N, Poulsen HE, Gjedde A, Brock B, Rungby J. Effects of liraglutide on neurodegeneration, blood flow and cognition in Alzheimer s disease - protocol for a controlled, randomized double-blinded trial. Dan Med J. 2012 Oct;59(10):A4519.
- information about Alzheimers diseaseLink provided by the sponsor.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Birgitte Brock, MD phD principal investigator
University of Aarhus
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing Liraglutide and non-active study drug in people with Alzheimers Disease, run by University of Aarhus at 1 site in Denmark.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 5 inclusion and 21 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 19 Apr 2013. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in Denmark. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
PIB PET scan (time frame: PIB PET-scan at baseline and after 26 weeks). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT01469351, which also lists 7 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 19 Apr 2013.