ColchicineCOINNCT05361772
Low-dose Colchicine Inhibit Abdominal Aortic Aneurysm Growth Trial
A study testing colchicine in people with Colchicine and Abdominal Aortic Aneurysm, run by Guangdong Provincial People's Hospital.
Trial summary
COIN trial is a a prospective, randomized, placebo-controlled, double-blind, multicenter clinical study. Approximately 230 patients with small abdominal aortic aneurysms (AAA) will be randomly allocated to low-dose colchicine group or placebo group. Read more about this study
- Who is it for?
- Ages 55 to 85 years
- Conditions the study is for
- Colchicine, Abdominal Aortic Aneurysm, Progression
- What is being tested?
- colchicine
- Could I receive a placebo?
- Yes, some participants may receive a placebo
- How many people
- 230 participants
- Where
- No sites listed yet
- Study dates
- 1 Jun 2022to 31 Dec 2025
- 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 55 to 85 years
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- 1. Aged over 55 and under 85; 2. Diagnosis of infrarenal abdominal aortic aneurysm within 3 months by CTA; 3. No indication for endovascular repair or surgery of abdominal aortic aneurysm
Who cannot join
- 1. Currently using colchicine; 2. Allergic to colchicine; 3. History of abdominal aortic aneurysm repair or surgery; 4. Combined with aortic dissection, thoracic aortic aneurysm, penetrating aortic ulcer (ulcer width>2cm and depth>1cm) and other aortic diseases requiring intervention; 5. Abdominal aortic aneurysm involving the renal artery or suprarenal abdominal aortic aneurysm; 6.Diameter of iliac aneurysm >29mm; 7. Renal artery stenosis or iliac artery stenosis planned for immediate intervention; 8. AAA caused by connective tissue disease (eg, collagen vascular disease), hereditary or genetic syndrome (eg, Marfan syndrome, Ehlers-Danlos syndrome); 9. Severe renal dysfunction (serum creatinine >176.8umol/L or eGFR <30ml/min) in the last 3 months 10. Severe liver dysfunction (ALT>2 ULN or TBIL>2 ULN)in the last 3 months; 11.Abnormal blood routine (hemoglobin <115g/L, white blood cell count<3.0×10^9/L, or platelet count <110×10^9/L) in the last 3 months; 12. Presence of inflammatory bowel disease or chronic diarrhea; 13. Current or planned usage of systemic immunosuppressants (eg, prednisone, azathioprine, methotrexate, cyclosporine for autoimmune disease or after bone marrow, heart, liver, lung, or other solid organ transplantation) ; 14.Patients with malignant tumors and autoimmune diseases; 15. Unable to take care of themselves, frail or expected survival time < 2 years; 16. Peripheral neuritis, myositis, or statin-related elevation of muscle enzymes; 17. Premenopausal, pregnant or lactating female patients; 18. Participated in other clinical studies of interventional therapy or drug therapy, which may interfere with the research results; 19. Refused or unable to sign informed consent to enter clinical research or to follow the research protocol and follow up.
Trial locations and contacts
No sites are listed yet.
About this study
COIN trial is a a prospective, randomized, placebo-controlled, double-blind, multicenter clinical study. Approximately 230 patients with small abdominal aortic aneurysms (AAA) will be randomly allocated to low-dose colchicine group or placebo group. All study patients will be followed up in the outpatient clinic every 3 months and undergo CTA scans after 24 months from randomization. The primary objective is to test the hypothesis that low dose colchicine can inhibit the progression of AAA diameter. The secondary objective is to test the hypothesis that low dose colchicine can inhibit the progression of AAA volume, reduce the incidence of clinical outcomes associated with AAA, reduce the incidence of major adverse cardiovascular events and all-cause mortality.
Read the detailed description
This study is a prospective, randomized, placebo-controlled, double-blind, multicenter clinical study to test the research hypothesis that low-dose colchicine (0.5 mg/d) can delay the progression of AAA.
The study will enroll patients with infrarenal abdominal aortic aneurysms with a maximum diameter of 30-50 mm and no indication for surgical or endovascular treatment. All patients will receive the best standard medical treatment. Before randomization, all patients will undergo a 1-month lead-in period, during which open-label colchicine 0.5 mg/d will be administered. If there is colchicine intolerance, they will not be randomized.
The study center performed computer-generated block randomization (block size 8). Randomization method and block size will not unblinded until all data analyses are completed. Enrolled patients will randomly assigned to each hospital in a 1:1 ratio by the randomization center through sequentially coded, sealed, light-tight envelopes, to colchicine and placebo groups.
After randomization, patients will receive low-dose colchicine (0.5 mg/d) or placebo, respectively, and will be followed up for 24 months. We will evulate whether low-dose colchicine can delay the progression of AAA by assessing the change in maximum aneurysm diameter by CTA. At the same time, its effects on abdominal aortic aneurysm-related and cardiovascular-related clinical events will be observed.
- Conditions
- Colchicine, Abdominal Aortic Aneurysm, Progression
- Being tested
- colchicine, Placebo
- Medical subject headings
- Aortic Aneurysm, Abdominal, Disease Progression
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
colchicineDrug
colchicine 0.5mg per day for 24 months
PlaceboDrug
placebo 0.5mg per day for 24 months
| Study group | Role | What they receive |
|---|---|---|
| low-dose colchicine group | Experimental | colchicine 0.5mg per day for 24 months Receives: Drug: colchicine |
| placebo group | Placebo comparator | placebo 0.5mg per day for 24 months Receives: Drug: Placebo |
What is being measured
The primary outcome is the main question the study is designed to answer.
changes of the maximum diameter of abdominal aortic aneurysm
the changes of the maximum diameter of abdominal aortic aneurysm on CTA in 24 months
Measured: 24 months
Secondary outcomes (8)
changes of the maximum volume of abdominal aortic aneurysm
the changes of the maximum volume of abdominal aortic aneurysm on CTA in 24 months
Measured: 24 months
aorta-related adverse events
rupture of abdominal aortic aneurysm, endovascular repair or surgery repair of abdominal aortic aneurysm,aortic-related death
Measured: 24 months
major adverse cardiovascular events
cardiovascular death, acute coronary syndrome, interventon for coronary artery disease, ischemic stroke or transient ischemic attack
Measured: 24 months
all-cause mortality
all-cause mortality
Measured: 24 months
aortic-related mortality
aortic-related mortality
Measured: 24 months
cardiovascular -related mortality
cardiovascular -related mortality
Measured: 24 months
change of inflammatory biomarkers
change of CRP，D-dimer，MMP-9, IL-1β, IL-18
Measured: 24 months
change of living quality
SF - 36 questionnaires
Measured: 24 months
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted5 May 2022
- Study start1 Jun 2022 (estimated)
- Primary completion1 Jun 2024 (estimated)
- Study completion31 Dec 2025 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (12)Papers the sponsor has linked to this study.
- Other trials for ColchicineStudies of the same condition, open and under way.
- More trials run by Guangdong Provincial People's HospitalThe 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
- Triple blind
- Who is masked
- Participant, Care provider, Investigator
- Enrolment
- 230 participants (estimated)
Sponsor and investigators
- Lead sponsor
- Guangdong Provincial People's Hospital
- Sponsor type
- University, hospital or other
- Collaborators
- The First Affiliated Hospital of Guangzhou Medical University, Shenzhen People's Hospital, Peking University Shougang Hospital, Peking Union Medical College Hospital, Second Xiangya Hospital of Central South University, Zhongshan People's Hospital, Guangdong, China, Shenzhen Baoan District People's Hospital
- Responsible party
- Principal investigator, Jianfang Luo, Guangdong Provincial People's Hospital
- Investigators
- Jianfang Luo, MD, Study chair, Guangdong Provincial People's Hospital
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT05361772
- Sponsor's protocol ID
- KY-N-2022-027-03
- Acronym
- COIN
- Status last verified
- Apr 2022
- First submitted
- 30 Apr 2022
- Last updated
- 5 May 2022
- Results posted
- No
- Data monitoring committee
- Yes
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- No
Publications
Sakalihasan N, Michel JB, Katsargyris A, Kuivaniemi H, Defraigne JO, Nchimi A, Powell JT, Yoshimura K, Hultgren R. Abdominal aortic aneurysms. Nat Rev Dis Primers. 2018 Oct 18;4(1):34. doi: 10.1038/s41572-018-0030-7.
PubMed 30337540Li W, Luo S, Luo J, Liu Y, Ning B, Huang W, Xue L, Chen J. Predictors Associated With Increased Prevalence of Abdominal Aortic Aneurysm in Chinese Patients with Atherosclerotic Risk Factors. Eur J Vasc Endovasc Surg. 2017 Jul;54(1):43-49. doi: 10.1016/j.ejvs.2017.04.004. Epub 2017 May 17.
PubMed 28527818Guirguis-Blake JM, Beil TL, Senger CA, Coppola EL. Primary Care Screening for Abdominal Aortic Aneurysm: Updated Evidence Report and Systematic Review for the US Preventive Services Task Force. JAMA. 2019 Dec 10;322(22):2219-2238. doi: 10.1001/jama.2019.17021.
PubMed 31821436Kuivaniemi H, Elmore JR. Opportunities in abdominal aortic aneurysm research: epidemiology, genetics, and pathophysiology. Ann Vasc Surg. 2012 Aug;26(6):862-70. doi: 10.1016/j.avsg.2012.02.005.
PubMed 22794334Umebayashi R, Uchida HA, Wada J. Abdominal aortic aneurysm in aged population. Aging (Albany NY). 2018 Dec 6;10(12):3650-3651. doi: 10.18632/aging.101702. No abstract available.
PubMed 30523221Liu CL, Ren J, Wang Y, Zhang X, Sukhova GK, Liao M, Santos M, Luo S, Yang D, Xia M, Inouye K, Hotamisligil GS, Lu G, Upchurch GR, Libby P, Guo J, Zhang J, Shi GP. Adipocytes promote interleukin-18 binding to its receptors during abdominal aortic aneurysm formation in mice. Eur Heart J. 2020 Jul 7;41(26):2456-2468. doi: 10.1093/eurheartj/ehz856.
PubMed 31821481Golledge J. Abdominal aortic aneurysm: update on pathogenesis and medical treatments. Nat Rev Cardiol. 2019 Apr;16(4):225-242. doi: 10.1038/s41569-018-0114-9.
PubMed 30443031Oliver-Williams C, Sweeting MJ, Jacomelli J, Summers L, Stevenson A, Lees T, Earnshaw JJ. Safety of Men With Small and Medium Abdominal Aortic Aneurysms Under Surveillance in the NAAASP. Circulation. 2019 Mar 12;139(11):1371-1380. doi: 10.1161/CIRCULATIONAHA.118.036966.
PubMed 30636430Freiberg MS, Arnold AM, Newman AB, Edwards MS, Kraemer KL, Kuller LH. Abdominal aortic aneurysms, increasing infrarenal aortic diameter, and risk of total mortality and incident cardiovascular disease events: 10-year follow-up data from the Cardiovascular Health Study. Circulation. 2008 Feb 26;117(8):1010-7. doi: 10.1161/CIRCULATIONAHA.107.720219. Epub 2008 Feb 11.
PubMed 18268154Forsythe RO, Dweck MR, McBride OMB, Vesey AT, Semple SI, Shah ASV, Adamson PD, Wallace WA, Kaczynski J, Ho W, van Beek EJR, Gray CD, Fletcher A, Lucatelli C, Marin A, Burns P, Tambyraja A, Chalmers RTA, Weir G, Mitchard N, Tavares A, Robson JMJ, Newby DE. 18F-Sodium Fluoride Uptake in Abdominal Aortic Aneurysms: The SoFIA3 Study. J Am Coll Cardiol. 2018 Feb 6;71(5):513-523. doi: 10.1016/j.jacc.2017.11.053.
PubMed 29406857MA3RS Study Investigators. Aortic Wall Inflammation Predicts Abdominal Aortic Aneurysm Expansion, Rupture, and Need for Surgical Repair. Circulation. 2017 Aug 29;136(9):787-797. doi: 10.1161/CIRCULATIONAHA.117.028433. Epub 2017 Jul 18.
PubMed 28720724Vainas T, Lubbers T, Stassen FR, Herngreen SB, van Dieijen-Visser MP, Bruggeman CA, Kitslaar PJ, Schurink GW. Serum C-reactive protein level is associated with abdominal aortic aneurysm size and may be produced by aneurysmal tissue. Circulation. 2003 Mar 4;107(8):1103-5. doi: 10.1161/01.cir.0000059938.95404.92.
PubMed 12615785
Study at a glance
From the registry record, last updated by the sponsor on 5 May 2022. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Low-dose Colchicine Inhibit Abdominal Aortic Aneurysm Growth Trial
- ClinicalTrials.gov ID
- NCT05361772
- Acronym / sponsor ID
- COIN / KY-N-2022-027-03
- Conditions
- Colchicine, Abdominal Aortic Aneurysm, Progression
- Study type
- Interventional
- Recruitment status
- Unknown status
- Enrolment
- 230 participants (estimated)
- Lead sponsor
- Guangdong Provincial People's HospitalUniversity, hospital or other
- Collaborators
- The First Affiliated Hospital of Guangzhou Medical University, Shenzhen People's Hospital, Peking University Shougang Hospital, Peking Union Medical College Hospital, Second Xiangya Hospital of Central South University, Zhongshan People's Hospital, Guangdong, China, Shenzhen Baoan District People's Hospital
- Study start
- 1 Jun 2022 (estimated)
- Primary completion
- 1 Jun 2024 (estimated)
- Study completion
- 31 Dec 2025 (estimated)
- First posted
- 5 May 2022 (actual)
- 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.
COIN trial is a a prospective, randomized, placebo-controlled, double-blind, multicenter clinical study. Approximately 230 patients with small abdominal aortic aneurysms (AAA) will be randomly allocated to low-dose colchicine group or placebo group. All study patients will be followed up in the outpatient clinic every 3 months and undergo CTA scans after 24 months from randomization. The primary objective is to test the hypothesis that low dose colchicine can inhibit the progression of AAA diameter. The secondary objective is to test the hypothesis that low dose colchicine can inhibit the progression of AAA volume, reduce the incidence of clinical outcomes associated with AAA, reduce the incidence of major adverse cardiovascular events and all-cause mortality.
Detailed description
This study is a prospective, randomized, placebo-controlled, double-blind, multicenter clinical study to test the research hypothesis that low-dose colchicine (0.5 mg/d) can delay the progression of AAA.
The study will enroll patients with infrarenal abdominal aortic aneurysms with a maximum diameter of 30-50 mm and no indication for surgical or endovascular treatment. All patients will receive the best standard medical treatment. Before randomization, all patients will undergo a 1-month lead-in period, during which open-label colchicine 0.5 mg/d will be administered. If there is colchicine intolerance, they will not be randomized.
The study center performed computer-generated block randomization (block size 8). Randomization method and block size will not unblinded until all data analyses are completed. Enrolled patients will randomly assigned to each hospital in a 1:1 ratio by the randomization center through sequentially coded, sealed, light-tight envelopes, to colchicine and placebo groups.
After randomization, patients will receive low-dose colchicine (0.5 mg/d) or placebo, respectively, and will be followed up for 24 months. We will evulate whether low-dose colchicine can delay the progression of AAA by assessing the change in maximum aneurysm diameter by CTA. At the same time, its effects on abdominal aortic aneurysm-related and cardiovascular-related clinical events will be observed.
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Triple blind (participant, care provider, investigator)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| low-dose colchicine group | Experimental | Drug: colchicinecolchicine 0.5mg per day for 24 months |
| placebo group | Placebo comparator | Drug: Placeboplacebo 0.5mg per day for 24 months |
Who may qualify
- Ages
- 55 to 85 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (1 listed)
- 1. Aged over 55 and under 85; 2. Diagnosis of infrarenal abdominal aortic aneurysm within 3 months by CTA; 3. No indication for endovascular repair or surgery of abdominal aortic aneurysm
Key exclusion criteria (1 listed)
- 1. Currently using colchicine; 2. Allergic to colchicine; 3. History of abdominal aortic aneurysm repair or surgery; 4. Combined with aortic dissection, thoracic aortic aneurysm, penetrating aortic ulcer (ulcer width>2cm and depth>1cm) and other aortic diseases requiring intervention; 5. Abdominal aortic aneurysm involving the renal artery or suprarenal abdominal aortic aneurysm; 6.Diameter of iliac aneurysm >29mm; 7. Renal artery stenosis or iliac artery stenosis planned for immediate intervention; 8. AAA caused by connective tissue disease (eg, collagen vascular disease), hereditary or genetic syndrome (eg, Marfan syndrome, Ehlers-Danlos syndrome); 9. Severe renal dysfunction (serum creatinine >176.8umol/L or eGFR <30ml/min) in the last 3 months 10. Severe liver dysfunction (ALT>2 ULN or TBIL>2 ULN)in the last 3 months; 11.Abnormal blood routine (hemoglobin <115g/L, white blood cell count<3.0×10^9/L, or platelet count <110×10^9/L) in the last 3 months; 12. Presence of inflammatory bowel disease or chronic diarrhea; 13. Current or planned usage of systemic immunosuppressants (eg, prednisone, azathioprine, methotrexate, cyclosporine for autoimmune disease or after bone marrow, heart, liver, lung, or other solid organ transplantation) ; 14.Patients with malignant tumors and autoimmune diseases; 15. Unable to take care of themselves, frail or expected survival time < 2 years; 16. Peripheral neuritis, myositis, or statin-related elevation of muscle enzymes; 17. Premenopausal, pregnant or lactating female patients; 18. Participated in other clinical studies of interventional therapy or drug therapy, which may interfere with the research results; 19. Refused or unable to sign informed consent to enter clinical research or to follow the research protocol and follow up.
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 |
|---|---|---|
| colchicinecolchicine 0.5mg per day for 24 months | Drug | low-dose colchicine group |
| Placeboplacebo 0.5mg per day for 24 months | Drug | placebo group |
Primary outcome
changes of the maximum diameter of abdominal aortic aneurysm
Time frame: 24 months
the changes of the maximum diameter of abdominal aortic aneurysm on CTA in 24 months
8 secondary outcomes
changes of the maximum volume of abdominal aortic aneurysm
Time frame: 24 months
aorta-related adverse events
Time frame: 24 months
major adverse cardiovascular events
Time frame: 24 months
all-cause mortality
Time frame: 24 months
aortic-related mortality
Time frame: 24 months
cardiovascular -related mortality
Time frame: 24 months
change of inflammatory biomarkers
Time frame: 24 months
change of living quality
Time frame: 24 months
Results and safety
Results are not available in the source record.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 5 May 2022.
- Background: PubMed 30337540Sakalihasan N, Michel JB, Katsargyris A, Kuivaniemi H, Defraigne JO, Nchimi A, Powell JT, Yoshimura K, Hultgren R. Abdominal aortic aneurysms. Nat Rev Dis Primers. 2018 Oct 18;4(1):34. doi: 10.1038/s41572-018-0030-7.
- Background: PubMed 28527818Li W, Luo S, Luo J, Liu Y, Ning B, Huang W, Xue L, Chen J. Predictors Associated With Increased Prevalence of Abdominal Aortic Aneurysm in Chinese Patients with Atherosclerotic Risk Factors. Eur J Vasc Endovasc Surg. 2017 Jul;54(1):43-49. doi: 10.1016/j.ejvs.2017.04.004. Epub 2017 May 17.
- Background: PubMed 31821436Guirguis-Blake JM, Beil TL, Senger CA, Coppola EL. Primary Care Screening for Abdominal Aortic Aneurysm: Updated Evidence Report and Systematic Review for the US Preventive Services Task Force. JAMA. 2019 Dec 10;322(22):2219-2238. doi: 10.1001/jama.2019.17021.
- Background: PubMed 22794334Kuivaniemi H, Elmore JR. Opportunities in abdominal aortic aneurysm research: epidemiology, genetics, and pathophysiology. Ann Vasc Surg. 2012 Aug;26(6):862-70. doi: 10.1016/j.avsg.2012.02.005.
- Background: PubMed 30523221Umebayashi R, Uchida HA, Wada J. Abdominal aortic aneurysm in aged population. Aging (Albany NY). 2018 Dec 6;10(12):3650-3651. doi: 10.18632/aging.101702. No abstract available.
- Background: PubMed 31821481Liu CL, Ren J, Wang Y, Zhang X, Sukhova GK, Liao M, Santos M, Luo S, Yang D, Xia M, Inouye K, Hotamisligil GS, Lu G, Upchurch GR, Libby P, Guo J, Zhang J, Shi GP. Adipocytes promote interleukin-18 binding to its receptors during abdominal aortic aneurysm formation in mice. Eur Heart J. 2020 Jul 7;41(26):2456-2468. doi: 10.1093/eurheartj/ehz856.
- Background: PubMed 30443031Golledge J. Abdominal aortic aneurysm: update on pathogenesis and medical treatments. Nat Rev Cardiol. 2019 Apr;16(4):225-242. doi: 10.1038/s41569-018-0114-9.
- Background: PubMed 30636430Oliver-Williams C, Sweeting MJ, Jacomelli J, Summers L, Stevenson A, Lees T, Earnshaw JJ. Safety of Men With Small and Medium Abdominal Aortic Aneurysms Under Surveillance in the NAAASP. Circulation. 2019 Mar 12;139(11):1371-1380. doi: 10.1161/CIRCULATIONAHA.118.036966.
- Background: PubMed 18268154Freiberg MS, Arnold AM, Newman AB, Edwards MS, Kraemer KL, Kuller LH. Abdominal aortic aneurysms, increasing infrarenal aortic diameter, and risk of total mortality and incident cardiovascular disease events: 10-year follow-up data from the Cardiovascular Health Study. Circulation. 2008 Feb 26;117(8):1010-7. doi: 10.1161/CIRCULATIONAHA.107.720219. Epub 2008 Feb 11.
- Background: PubMed 29406857Forsythe RO, Dweck MR, McBride OMB, Vesey AT, Semple SI, Shah ASV, Adamson PD, Wallace WA, Kaczynski J, Ho W, van Beek EJR, Gray CD, Fletcher A, Lucatelli C, Marin A, Burns P, Tambyraja A, Chalmers RTA, Weir G, Mitchard N, Tavares A, Robson JMJ, Newby DE. 18F-Sodium Fluoride Uptake in Abdominal Aortic Aneurysms: The SoFIA3 Study. J Am Coll Cardiol. 2018 Feb 6;71(5):513-523. doi: 10.1016/j.jacc.2017.11.053.
- Background: PubMed 28720724MA3RS Study Investigators. Aortic Wall Inflammation Predicts Abdominal Aortic Aneurysm Expansion, Rupture, and Need for Surgical Repair. Circulation. 2017 Aug 29;136(9):787-797. doi: 10.1161/CIRCULATIONAHA.117.028433. Epub 2017 Jul 18.
- Background: PubMed 12615785Vainas T, Lubbers T, Stassen FR, Herngreen SB, van Dieijen-Visser MP, Bruggeman CA, Kitslaar PJ, Schurink GW. Serum C-reactive protein level is associated with abdominal aortic aneurysm size and may be produced by aneurysmal tissue. Circulation. 2003 Mar 4;107(8):1103-5. doi: 10.1161/01.cir.0000059938.95404.92.
- Individual participant dataSharing planned: No
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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.
Jianfang Luo, MD study chair
Guangdong Provincial People's Hospital
Questions about this trial
What is this clinical trial studying?
A study testing colchicine in people with Colchicine and Abdominal Aortic Aneurysm, run by Guangdong Provincial People's Hospital.
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 1 inclusion and 1 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: status not confirmed, as of the sponsor's last update on 5 May 2022. Status can change between updates, so confirm with the study contact before making plans.
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?
Results are not available in the source record.
How can a doctor refer a patient or contact the research team?
Contact Songyuan Luo, MD (+86-13570337597, 656781257@qq.com), or a site near the patient. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
changes of the maximum diameter of abdominal aortic aneurysm (time frame: 24 months). 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 NCT05361772, which also lists 12 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 5 May 2022.