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MicroangiopathyPoProStuNCT01411033

Poznan Prospective Study of Type 1 Diabetic Patients

An observational study of Microangiopathy and Macroangiopathy, run by Poznan University of Medical Sciences.

Active, not recruiting

Under way, not looking for participants. Everyone needed has enrolled. The study is still running.

Official record
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Trial summary

The purpose of this study is to evaluate the development and progression of chronic complications (retinopathy, neuropathy, diabetic chronic renal disease, cardiovascular events) in patients with type 1 diabetes treated from the onset of the disease with recommended method of intensive insulin therapy. Read more about this study

Who is it for?
Ages 18 to 35 years
How many people
100 participants
Where
No sites listed yet
Study dates
Jan 1994to Dec 2028
Phase
Observational
Are there results?
Not yet: the study is under way

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 18 to 35 years
  • All sexes
  • No healthy volunteers
  • Adult

Study population: 100 Caucasian patients with newly diagnosed type 1 diabetes admitted to the Department of Internal Medicine and Diabetology, Poznan University of Medical Sciences in years 1994-1999, treated from the onset of the disease with intensive insulintherapy.

Who may be able to join

  • Newly diagnosed type 1 diabetes mellitus with features of complete insulin deficiency (serum C-peptide level <0.05 ng/ml, acetonuria, blood gases disturbances such as: pH <7.30, BE< -6 mmol/l, HCO3 <18 mmol/l)
  • Age < 35 years old
  • Educational course in intensive insulin therapy started at the onset of the disease after treatment of ketoacidosis
  • Written consent

Who cannot join

  • Uncertain type of diabetes mellitus
  • Kidney failure (serum creatinine level > 1.1 mg/dl)
  • Liver dysfunction (AspAt > 31 U/l, AlAt > 34 U/l)
  • Acute inflammatory process
  • Other concomitant diseases (i.e. neoplasm)

About this study

Official title: Poznan Prospective Study of Type 1 Diabetic Patients Treated With Intensive Insulin Therapy From the Onset of the Disease.

The purpose of this study is to evaluate the development and progression of chronic complications (retinopathy, neuropathy, diabetic chronic renal disease, cardiovascular events) in patients with type 1 diabetes treated from the onset of the disease with recommended method of intensive insulin therapy. All patients attended a five-day structured training program during first hospitalization and re-education once year during the observation. After five years of observation and next - once a year chronic complications are assessed. The investigators would like to evaluate also the relationship of the management of the disease, knowledge about the treatment and diabetes, insulin resistance and inflammatory markers with development and progression of chronic complications.

Medical subject headings
Insulin Resistance

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

Study groups in NCT01411033
Study groupRoleWhat they receive
Newly diagnosed diabetes mellitus type 1Not described

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Retinopathy

    Measured: 1 year

  2. Diabetic chronic renal disease

    Measured: 1 year

  3. Neuropathy

    Measured: 1 year

  4. Cardiovascular events

    stroke, heart infarct, death

    Measured: 1 year

Secondary outcomes (3)

  1. Metabolic management of diabetes

    HbA1c, hypoglycaemic episodes, lipid profile, blood pressure, BMI

    Measured: 1 year

  2. Quality of life

    Measured: 1 year

  3. Intima media thickness

    Measured: 1 year

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted5 Aug 2011 (estimated)
  2. Study startJan 1994
  3. Primary completionDec 2028 (estimated)
  4. Study completionDec 2028 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Cohort
Time perspective
Prospective
Enrolment
100 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01411033
Sponsor's protocol ID
05/08/2003
Acronym
PoProStu
Status last verified
Dec 2024
First submitted
2 Aug 2011
Last updated
5 Dec 2024
Results posted
No
Data monitoring committee
No

Publications

  • Wegner M, Piorunska-Stolzmann M, Araszkiewicz A, Zozulinska-Ziolkiewicz D, Naskret D, Uruska A, Wierusz-Wysocka B. Does oxidized LDL contribute to atherosclerotic plaque formation and microvascular complications in patients with type 1 diabetes? Clin Biochem. 2012 Dec;45(18):1620-3. doi: 10.1016/j.clinbiochem.2012.08.019. Epub 2012 Aug 29.

    PubMed 22960236

  • Wegner M, Piorunska-Stolzmann M, Araszkiewicz A, Zozulinska-Ziolkiewicz D, Wierusz-Wysocka B. Evaluation of paraoxonase 1 arylesterase activity and lipid peroxide levels in patients with type 1 diabetes. Pol Arch Med Wewn. 2011 Dec;121(12):448-54.

    PubMed 22157813

  • Araszkiewicz A, Uruska A, Zozulinska-Ziolkiewicz D, Pilacinski S, Wierusz-Wysocka B. Factors related to insulin resistance in type 1 diabetic patients treated with intensive insulin therapy from the onset of the disease. Diabetes Res Clin Pract. 2010 Nov;90(2):e23-4. doi: 10.1016/j.diabres.2010.05.010. Epub 2010 Jun 11. No abstract available.

    PubMed 20541277

  • Wegner M, Araszkiewicz A, Zozulinska-Ziolkiewicz D, Wierusz-Wysocka B, Piorunska-Mikolajczak A, Piorunska-Stolzmann M. The relationship between concentrations of magnesium and oxidized low density lipoprotein and the activity of platelet activating factor acetylhydrolase in the serum of patients with type 1 diabetes. Magnes Res. 2010 Jun;23(2):97-104. doi: 10.1684/mrh.2010.0207. Epub 2010 May 27.

    PubMed 20507838

  • Uruska A, Araszkiewicz A, Zozulinska-Ziolkiewicz D, Uruski P, Wierusz-Wysocka B. Insulin resistance is associated with microangiopathy in type 1 diabetic patients treated with intensive insulin therapy from the onset of disease. Exp Clin Endocrinol Diabetes. 2010 Aug;118(8):478-84. doi: 10.1055/s-0030-1249635. Epub 2010 Apr 6.

    PubMed 20373280

  • Wegner M, Araszkiewicz A, Piorunska-Mikolajczak A, Zozulinska-Ziolkiewicz D, Wierusz-Wysocka B, Piorunska-Stolzmann M. The evaluation of IL-12 concentration, PAF-AH, and PLA(2) activity in patients with type 1 diabetes treated with intensive insulin therapy. Clin Biochem. 2009 Nov;42(16-17):1621-7. doi: 10.1016/j.clinbiochem.2009.07.023. Epub 2009 Aug 3.

    PubMed 19651120

  • Araszkiewicz A, Zozulinska-Ziolkiewicz D, Trepinska M, Wierusz-Wysocka B. Knowledge after five-day teaching program in intensive insulin therapy performed at the onset of type 1 diabetes influence the development of late diabetic complications. Diabetes Res Clin Pract. 2008 Jul;81(1):61-7. doi: 10.1016/j.diabres.2008.02.009. Epub 2008 Apr 2.

    PubMed 18378034

  • Araszkiewicz A, Zozulinska D, Trepinska M, Wierusz-Wysocka B. [Is intensive functional insulin therapy the method of choice in newly diagnosed type-1 diabetes mellitus?]. Pol Merkur Lekarski. 2004 Nov;17(101):463-6. Polish.

    PubMed 15754632

  • Uruska A, Araszkiewicz A, Zozulinska-Ziolkiewicz D, Wegner M, Grzelka A, Wierusz-Wysocka B. Does serum cystatin C level reflect insulin resistance in patients with type 1 diabetes? Clin Biochem. 2014 Sep;47(13-14):1235-8. doi: 10.1016/j.clinbiochem.2014.06.014. Epub 2014 Jun 20.

    PubMed 24956263

  • Uruska A, Araszkiewicz A, Uruski P, Zozulinska-Ziolkiewicz D. Higher risk of microvascular complications in smokers with type 1 diabetes despite intensive insulin therapy. Microvasc Res. 2014 Mar;92:79-84. doi: 10.1016/j.mvr.2014.01.002. Epub 2014 Jan 12.

    PubMed 24423616

  • Grzelka A, Naskret D, Araszkiewicz A, Uruska A, Wegner M, Zozulinska-Ziolkiewicz D. Higher concentrations of osteoprotegerin in type 1 diabetic patients are related to retinopathy: Results from the Poznan Prospective Study. Adv Clin Exp Med. 2017 Dec;26(9):1343-1349. doi: 10.17219/acem/65072.

    PubMed 29442454

  • Uruska A, Niedzwiecki P, Araszkiewicz A, Zozulinska-Ziolkiewicz D. Brain-derived neurotrophic factor and insulin resistance during hyperinsulinaemic-euglycaemic clamp in type 1 diabetes patients in the PoProStu. Diabetes Metab. 2017 Oct;43(5):472-474. doi: 10.1016/j.diabet.2016.12.007. Epub 2017 Jan 27. No abstract available.

    PubMed 28139435

  • Grzelka A, Araszkiewicz A, Uruska A, Zozulinska-Ziolkiewicz D. Prevalence of anti-thyroid peroxidase in adults with type 1 diabetes participating in Poznan Prospective Study. Adv Clin Exp Med. 2015 Jan-Feb;24(1):79-84. doi: 10.17219/acem/38149.

    PubMed 25923090

  • Araszkiewicz A, Naskret D, Zozulinska-Ziolkiewicz D, Pilacinski S, Uruska A, Grzelka A, Wegner M, Wierusz-Wysocka B. Skin autofluorescence is associated with carotid intima-media thickness, diabetic microangiopathy, and long-lasting metabolic control in type 1 diabetic patients. Results from Poznan Prospective Study. Microvasc Res. 2015 Mar;98:62-7. doi: 10.1016/j.mvr.2015.01.002. Epub 2015 Jan 10.

    PubMed 25582078

  • Araszkiewicz A, Zozulinska-Ziolkiewicz D, Pilacinski S, Naskret D, Uruska A, Wierusz-Wysocka B. Baseline diabetic knowledge after 5-day teaching program is an independent predictor of subclinical macroangiopathy in patients with type 1 diabetes (Poznan Prospective Study). Adv Med Sci. 2014 Sep;59(2):240-4. doi: 10.1016/j.advms.2013.12.005. Epub 2014 Jun 9.

    PubMed 25090481

Questions about this trial

What is this clinical trial studying?

An observational study of Microangiopathy and Macroangiopathy, run by Poznan University of Medical Sciences.

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 4 inclusion and 5 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: under way, not looking for participants, as of the sponsor's last update on 5 Dec 2024. 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. 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?

This study is still under way. Results are not available in the source record yet.

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?

Retinopathy (time frame: 1 year). The study lists 4 primary outcomes in all. 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 NCT01411033, which also lists 15 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 Dec 2024.

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