Gestational DiabetesRADIELNCT01698385
Prevention of Gestational Diabetes Through Lifestyle Modification
A study testing Diet and exercise counseling in people with Gestational Diabetes, run by Helsinki University Central Hospital at 1 site in Finland.
Trial summary
OVERALL OBJECTIVES: 1. To assess the efficacy of a diet and exercise intervention before and/or during pregnancy in the prevention of GDM and its fetal complications in women with high diabetes risk. 2. Read more about this study
- Who is it for?
- Ages 18 to 45 years, women onlyHealthy volunteers can take part
- Conditions the study is for
- Gestational Diabetes
- What is being tested?
- Diet and exercise counseling
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 750 participants
- Where
- 1 siteFinland
- Study dates
- Feb 2008to Feb 2014
- 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 18 to 45 years
- Women only
- Healthy volunteers accepted
- Adult
Who may be able to join
- obese (BMI > 30)
- previous GDM
Who cannot join
- Age < 18 years
- diabetes before pregnancy
- medication influencing glucose homeostasis
- hypertension
- multiple pregnancy
- physical disability
Show all 9Show fewer
- substance abuse
- severe psychiatric disorders
- significant co-operation difficulties
Trial locations and contacts
1 site in 1 country.
About this study
Official title: Prevention of Gestational Diabetes Through Lifestyle Modification (RADIEL) - a Randomized Controlled Multi-centre Intervention Study
OVERALL OBJECTIVES:
- To assess the efficacy of a diet and exercise intervention before and/or during pregnancy in the prevention of GDM and its fetal complications in women with high diabetes risk.
- To assess the cost-effectiveness of a diet and exercise intervention in the prevention of GDM from a socio-economic point of view. To find out whether the intervention can be used to reduce health care costs due to GDM and T2DM.
- To determine the long-term effectiveness of the above-mentioned lifestyle intervention in the reduction of T2DM incidence among women with prior GDM and their offspring
Read more
STUDY SUBJECTS Group 1: Women planning pregnancy with a history of diet/insulin-treated GDM or BMI >30 kg/m2. N= 250 + 250.
Group 2: Women in early pregnancy with a history of diet/insulin-treated GDM or BMI >30 kg/m2. N= 250 + 250
METHOD The Finnish multi-center randomized controlled intervention trial started in the maternity hospitals of Helsinki and Uusimaa District Area 1/2008 and in the South-Karelia Central Hospital in Lappeenranta in 9/2008. 1000 women at high GDM risk will be recruited. Half of the subjects are randomized into the intervention group and the other half act as controls receiving only standard antenatal care in addition to the laboratory tests taken and questionnaires administered by the RADIEL study.
The active intervention arm of the study will be carried out in a structured, standardized manner by diabetes nurses and nutritionists specifically trained for their tasks. The intervention includes:
- Structured visits to diabetes nurse every 3 months before and during pregnancy as well as at 6 weeks, 6 and 12 months post partum. Visits include e.g. structured counseling on diet and exercise, setting of specific goals, follow-up of achievements, laboratory tests and measurements
- Structured group visits to nutritionist at the moment of enrollment in the study, at the beginning of pregnancy as well as at 6 and 12 months post partum. Additional individual visits are booked if needed.
- Services of physical activity advisors are provided by the study subjects' cities of residence free of charge to all who wish to receive extra counseling on exercise. If exercise goals are not met, study subjects book an appointment with the physical activity advisor.
LIFESTYLE TARGETS: 1.Weight: A weight loss of 5-10% before pregnancy if BMI > 25 and/or limited weight gain during the first two trimesters in pregnancy if BMI > 30. 2.Exercise: A minimum of 30 min. of exercise 5 times per week or 50 min. 3 times per week of moderate intensity exercise (Borg 11-15). Daily household and/or transportation physical activity. 3.Diet: Increased intake of vegetables, legumes, fruits and berries, whole grain and fiber, low-fat dairy, vegetable fats; and use of "plate model". Total energy intake: 1600-1800 kcal/day, with 40-50 E% carbohydrates, 30-40 E% fats, 20-25 E% protein.
MEASUREMENTS of maternal variables:
AT THE MOMENT OF ENROLMENT TO THE STUDY, and every 3 months before pregnancy:
(1) Waist circumference, blood pressure, pulse, weight, height (2) i.e. 2-hour OGTT, fP-insulin, fP-glucose, , GHbA1c, lipids, P-hCRP, P-IL-6, S-A1Glypr, leptin. (3) Background questionnaire (4) 15-D-questionnaire: health-related quality of life. (7) Food diary (2+1). Exercise diaries daily for one week.
PREGNANCY At the end of each trimester: (1) The same tests and measurements as in pre-pregnancy period. 2h-OGTT at H10-14 and at H24-28. (2) Questionnaire, 15-D questionnaire, EDPS (=Edinburgh post-partum depression scale) questionnaire for screening mood disorders at H10-13. (4) Food diaries (2+1), and exercise diaries daily for one week at H10-13 and H34-36.
POST PARTUM PERIOD (Groups 1-2) At 6 weeks, 6 and 12 months post partum: (1) The same follow-up tests and measurements as at the beginning. Lipids checked only at 12 months post partum. (2) 2-hour OGTT 6 weeks and 12 months post partum (3) Questionnaires at all visits. (5) Food and exercise diaries at 12 months post partum.
MEASUREMENTS of child's variables at birth
(1) weight (2) height (3) head circumference (4) From delivery records: Mode of delivery, Apgar scores, any perinatal complications, operations, need of neonatal intensive care and length of hospital. (3) Laboratory tests from cord blood.
TIMETABLE Recruitment started in February 2008 and ended in autumn 2011 when about 800 subjects had been recruited to the study. Intervention will continue until 2014 (including pre- and postpartum periods). Long-term follow up of both mothers' and children's cohorts starts in 2014 and has been planned to continue up to 10 years postpartum. Data analysis starts in autumn of 2013 and results will be reported from 2014 onwards in international peer-reviewed journals.
- Conditions
- Gestational Diabetes
- Being tested
- Diet and exercise counseling
- Medical subject headings
- Diabetes, Gestational
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Diet and exercise counselingOther
Also called Lifestyle intervention
diet and exercise counseling, setting of specific goals, follow-up of achievements, laboratory tests and measurements
| Study group | Role | What they receive |
|---|---|---|
| Lifestyle counseling | Active comparator | Not described Receives: Other: Diet and exercise counseling |
| Control, just measurements | No intervention | Not described |
What is being measured
The primary outcome is the main question the study is designed to answer.
Change from Baseline in oral glucose tolerance test at variable time frames
Measured: 1) Baseline (group 1= planning a pregnancy; group 2=at gest.week 10-14); 2) at gest.week 10-14 (group 1) and 3) at gest.week 24-28; 4) 6 weeks and 12 months post partum
Secondary outcomes (1)
Change from Baseline in weight at variable time frames
Measured: 1) Baseline (group 1= planning a pregnancy; group 2=at gest.week 10-14); 2) at gest.week 10-14 (group 1) and 3) at gest.week 24-28 and 34-36, and 4) 6 weeks, 6 months and 12 months post partum
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted3 Oct 2012 (estimated)
- Study startFeb 2008
- Primary completionJan 2014
- Study completionFeb 2014
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (10)Papers the sponsor has linked to this study.
- Other trials for Gestational DiabetesStudies of the same condition, open and under way.
- More trials run by Helsinki University Central 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
- Prevention
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Enrolment
- 750 participants (actual)
Sponsor and investigators
- Lead sponsor
- Helsinki University Central Hospital
- Sponsor type
- University, hospital or other
- Collaborators
- Provincial Health Services Authority British Columbia, South Karelia, Social and Health Care District
- Responsible party
- Principal investigator, Saila Koivusalo, Helsinki University Central Hospital
- Investigators
- Saila B Koivusalo, MD, Principal investigator, University of Helsinki
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT01698385
- Sponsor's protocol ID
- RADIEL
- Acronym
- RADIEL
- Status last verified
- Apr 2019
- First submitted
- 11 Sep 2012
- Last updated
- 16 Apr 2019
- Results posted
- No
- Data monitoring committee
- Yes
Publications
Blanco Sequeiros E, Tuomaala AK, Tabassum R, Bergman PH, Koivusalo SB, Huvinen E. Early ascending growth is associated with maternal lipoprotein profile during mid and late pregnancy and in cord blood. Int J Obes (Lond). 2023 Nov;47(11):1081-1087. doi: 10.1038/s41366-023-01361-x. Epub 2023 Aug 17.
PubMed 37592059Huvinen E, Lahti J, Klemetti MM, Bergman PH, Raikkonen K, Orho-Melander M, Laivuori H, Koivusalo SB. Genetic risk of type 2 diabetes modifies the effects of a lifestyle intervention aimed at the prevention of gestational and postpartum diabetes. Diabetologia. 2022 Aug;65(8):1291-1301. doi: 10.1007/s00125-022-05712-7. Epub 2022 Apr 30.
PubMed 35501401Huvinen E, Tuomaala AK, Bergman PH, Meinila J, Tammelin T, Kulmala J, Engberg E, Koivusalo SB. Ascending Growth is Associated with Offspring Adiposity in Pregnancies Complicated with Obesity or Gestational Diabetes. J Clin Endocrinol Metab. 2021 Apr 23;106(5):e1993-e2004. doi: 10.1210/clinem/dgaa979.
PubMed 33524144Huvinen E, Engberg E, Meinila J, Tammelin T, Kulmala J, Heinonen K, Bergman P, Stach-Lempinen B, Koivusalo S. Lifestyle and glycemic health 5 years postpartum in obese and non-obese high diabetes risk women. Acta Diabetol. 2020 Dec;57(12):1453-1462. doi: 10.1007/s00592-020-01553-1. Epub 2020 Jul 25.
PubMed 32712801Valkama AJ, Meinila J, Koivusalo S, Lindstrom J, Rono K, Stach-Lempinen B, Kautiainen H, Eriksson JG. The effect of pre-pregnancy lifestyle counselling on food intakes and association between food intakes and gestational diabetes in high-risk women: results from a randomised controlled trial. J Hum Nutr Diet. 2018 Jun;31(3):301-305. doi: 10.1111/jhn.12547. Epub 2018 Feb 7.
PubMed 29468749Huvinen E, Eriksson JG, Koivusalo SB, Grotenfelt N, Tiitinen A, Stach-Lempinen B, Rono K. Heterogeneity of gestational diabetes (GDM) and long-term risk of diabetes and metabolic syndrome: findings from the RADIEL study follow-up. Acta Diabetol. 2018 May;55(5):493-501. doi: 10.1007/s00592-018-1118-y. Epub 2018 Feb 19.
PubMed 29460080Huvinen E, Koivusalo SB, Meinila J, Valkama A, Tiitinen A, Rono K, Stach-Lempinen B, Eriksson JG. Effects of a Lifestyle Intervention During Pregnancy and First Postpartum Year: Findings From the RADIEL Study. J Clin Endocrinol Metab. 2018 Apr 1;103(4):1669-1677. doi: 10.1210/jc.2017-02477.
PubMed 29409025Koivusalo SB, Rono K, Klemetti MM, Roine RP, Lindstrom J, Erkkola M, Kaaja RJ, Poyhonen-Alho M, Tiitinen A, Huvinen E, Andersson S, Laivuori H, Valkama A, Meinila J, Kautiainen H, Eriksson JG, Stach-Lempinen B. Gestational Diabetes Mellitus Can Be Prevented by Lifestyle Intervention: The Finnish Gestational Diabetes Prevention Study (RADIEL): A Randomized Controlled Trial. Diabetes Care. 2016 Jan;39(1):24-30. doi: 10.2337/dc15-0511. Epub 2015 Jul 29.
PubMed 26223239Miettinen HE, Rono K, Koivusalo S, Stach-Lempinen B, Poyhonen-Alho M, Eriksson JG, Hiltunen TP, Gylling H. Elevated serum squalene and cholesterol synthesis markers in pregnant obese women with gestational diabetes mellitus. J Lipid Res. 2014 Dec;55(12):2644-54. doi: 10.1194/jlr.P049510. Epub 2014 Oct 9.
PubMed 25301963Rono K, Stach-Lempinen B, Klemetti MM, Kaaja RJ, Poyhonen-Alho M, Eriksson JG, Koivusalo SB; RADIEL group. Prevention of gestational diabetes through lifestyle intervention: study design and methods of a Finnish randomized controlled multicenter trial (RADIEL). BMC Pregnancy Childbirth. 2014 Feb 14;14:70. doi: 10.1186/1471-2393-14-70.
PubMed 24524674
Study at a glance
From the registry record, last updated by the sponsor on 16 Apr 2019. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Prevention of Gestational Diabetes Through Lifestyle Modification (RADIEL) - a Randomized Controlled Multi-centre Intervention Study
- ClinicalTrials.gov ID
- NCT01698385
- Acronym / sponsor ID
- RADIEL / RADIEL
- Conditions
- Gestational Diabetes
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 750 participants (actual)
- Lead sponsor
- Helsinki University Central HospitalUniversity, hospital or other
- Collaborators
- Provincial Health Services Authority British Columbia, South Karelia, Social and Health Care District
- Study start
- Feb 2008
- Primary completion
- Jan 2014 (actual)
- Study completion
- Feb 2014 (actual)
- First posted
- 3 Oct 2012 (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.
OVERALL OBJECTIVES:
- To assess the efficacy of a diet and exercise intervention before and/or during pregnancy in the prevention of GDM and its fetal complications in women with high diabetes risk.
- To assess the cost-effectiveness of a diet and exercise intervention in the prevention of GDM from a socio-economic point of view. To find out whether the intervention can be used to reduce health care costs due to GDM and T2DM.
- To determine the long-term effectiveness of the above-mentioned lifestyle intervention in the reduction of T2DM incidence among women with prior GDM and their offspring
STUDY SUBJECTS Group 1: Women planning pregnancy with a history of diet/insulin-treated GDM or BMI >30 kg/m2. N= 250 + 250.
Group 2: Women in early pregnancy with a history of diet/insulin-treated GDM or BMI >30 kg/m2. N= 250 + 250
METHOD The Finnish multi-center randomized controlled intervention trial started in the maternity hospitals of Helsinki and Uusimaa District Area 1/2008 and in the South-Karelia Central Hospital in Lappeenranta in 9/2008. 1000 women at high GDM risk will be recruited. Half of the subjects are randomized into the intervention group and the other half act as controls receiving only standard antenatal care in addition to the laboratory tests taken and questionnaires administered by the RADIEL study.
The active intervention arm of the study will be carried out in a structured, standardized manner by diabetes nurses and nutritionists specifically trained for their tasks. The intervention includes:
- Structured visits to diabetes nurse every 3 months before and during pregnancy as well as at 6 weeks, 6 and 12 months post partum. Visits include e.g. structured counseling on diet and exercise, setting of specific goals, follow-up of achievements, laboratory tests and measurements
- Structured group visits to nutritionist at the moment of enrollment in the study, at the beginning of pregnancy as well as at 6 and 12 months post partum. Additional individual visits are booked if needed.
- Services of physical activity advisors are provided by the study subjects' cities of residence free of charge to all who wish to receive extra counseling on exercise. If exercise goals are not met, study subjects book an appointment with the physical activity advisor.
LIFESTYLE TARGETS: 1.Weight: A weight loss of 5-10% before pregnancy if BMI > 25 and/or limited weight gain during the first two trimesters in pregnancy if BMI > 30. 2.Exercise: A minimum of 30 min. of exercise 5 times per week or 50 min. 3 times per week of moderate intensity exercise (Borg 11-15). Daily household and/or transportation physical activity. 3.Diet: Increased intake of vegetables, legumes, fruits and berries, whole grain and fiber, low-fat dairy, vegetable fats; and use of "plate model". Total energy intake: 1600-1800 kcal/day, with 40-50 E% carbohydrates, 30-40 E% fats, 20-25 E% protein.
MEASUREMENTS of maternal variables:
AT THE MOMENT OF ENROLMENT TO THE STUDY, and every 3 months before pregnancy:
(1) Waist circumference, blood pressure, pulse, weight, height (2) i.e. 2-hour OGTT, fP-insulin, fP-glucose, , GHbA1c, lipids, P-hCRP, P-IL-6, S-A1Glypr, leptin. (3) Background questionnaire (4) 15-D-questionnaire: health-related quality of life. (7) Food diary (2+1). Exercise diaries daily for one week.
PREGNANCY At the end of each trimester: (1) The same tests and measurements as in pre-pregnancy period. 2h-OGTT at H10-14 and at H24-28. (2) Questionnaire, 15-D questionnaire, EDPS (=Edinburgh post-partum depression scale) questionnaire for screening mood disorders at H10-13. (4) Food diaries (2+1), and exercise diaries daily for one week at H10-13 and H34-36.
POST PARTUM PERIOD (Groups 1-2) At 6 weeks, 6 and 12 months post partum: (1) The same follow-up tests and measurements as at the beginning. Lipids checked only at 12 months post partum. (2) 2-hour OGTT 6 weeks and 12 months post partum (3) Questionnaires at all visits. (5) Food and exercise diaries at 12 months post partum.
MEASUREMENTS of child's variables at birth
(1) weight (2) height (3) head circumference (4) From delivery records: Mode of delivery, Apgar scores, any perinatal complications, operations, need of neonatal intensive care and length of hospital. (3) Laboratory tests from cord blood.
TIMETABLE Recruitment started in February 2008 and ended in autumn 2011 when about 800 subjects had been recruited to the study. Intervention will continue until 2014 (including pre- and postpartum periods). Long-term follow up of both mothers' and children's cohorts starts in 2014 and has been planned to continue up to 10 years postpartum. Data analysis starts in autumn of 2013 and results will be reported from 2014 onwards in international peer-reviewed journals.
Study design
- Primary purpose
- Prevention
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| Lifestyle counseling | Active comparator | Other: Diet and exercise counseling |
| Control, just measurements | No intervention | – |
Who may qualify
- Ages
- 18 to 45 years
- Sex
- Female only
- Healthy volunteers
- Accepted
- Age groups
- Adult
Key inclusion criteria (2 listed)
- obese (BMI > 30)
- previous GDM
Key exclusion criteria (9 listed)
- Age < 18 years
- diabetes before pregnancy
- medication influencing glucose homeostasis
- hypertension
- multiple pregnancy
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 |
|---|---|---|
| Diet and exercise counselingAlso: Lifestyle interventiondiet and exercise counseling, setting of specific goals, follow-up of achievements, laboratory tests and measurements | Other | Lifestyle counseling |
Primary outcome
Change from Baseline in oral glucose tolerance test at variable time frames
Time frame: 1) Baseline (group 1= planning a pregnancy; group 2=at gest.week 10-14); 2) at gest.week 10-14 (group 1) and 3) at gest.week 24-28; 4) 6 weeks and 12 months post partum
1 secondary outcome
Change from Baseline in weight at variable time frames
Time frame: 1) Baseline (group 1= planning a pregnancy; group 2=at gest.week 10-14); 2) at gest.week 10-14 (group 1) and 3) at gest.week 24-28 and 34-36, and 4) 6 weeks, 6 months and 12 months post partum
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 16 Apr 2019.
- Derived from this study: PubMed 37592059Blanco Sequeiros E, Tuomaala AK, Tabassum R, Bergman PH, Koivusalo SB, Huvinen E. Early ascending growth is associated with maternal lipoprotein profile during mid and late pregnancy and in cord blood. Int J Obes (Lond). 2023 Nov;47(11):1081-1087. doi: 10.1038/s41366-023-01361-x. Epub 2023 Aug 17.
- Derived from this study: PubMed 35501401Huvinen E, Lahti J, Klemetti MM, Bergman PH, Raikkonen K, Orho-Melander M, Laivuori H, Koivusalo SB. Genetic risk of type 2 diabetes modifies the effects of a lifestyle intervention aimed at the prevention of gestational and postpartum diabetes. Diabetologia. 2022 Aug;65(8):1291-1301. doi: 10.1007/s00125-022-05712-7. Epub 2022 Apr 30.
- Derived from this study: PubMed 33524144Huvinen E, Tuomaala AK, Bergman PH, Meinila J, Tammelin T, Kulmala J, Engberg E, Koivusalo SB. Ascending Growth is Associated with Offspring Adiposity in Pregnancies Complicated with Obesity or Gestational Diabetes. J Clin Endocrinol Metab. 2021 Apr 23;106(5):e1993-e2004. doi: 10.1210/clinem/dgaa979.
- Derived from this study: PubMed 32712801Huvinen E, Engberg E, Meinila J, Tammelin T, Kulmala J, Heinonen K, Bergman P, Stach-Lempinen B, Koivusalo S. Lifestyle and glycemic health 5 years postpartum in obese and non-obese high diabetes risk women. Acta Diabetol. 2020 Dec;57(12):1453-1462. doi: 10.1007/s00592-020-01553-1. Epub 2020 Jul 25.
- Derived from this study: PubMed 29468749Valkama AJ, Meinila J, Koivusalo S, Lindstrom J, Rono K, Stach-Lempinen B, Kautiainen H, Eriksson JG. The effect of pre-pregnancy lifestyle counselling on food intakes and association between food intakes and gestational diabetes in high-risk women: results from a randomised controlled trial. J Hum Nutr Diet. 2018 Jun;31(3):301-305. doi: 10.1111/jhn.12547. Epub 2018 Feb 7.
- Derived from this study: PubMed 29460080Huvinen E, Eriksson JG, Koivusalo SB, Grotenfelt N, Tiitinen A, Stach-Lempinen B, Rono K. Heterogeneity of gestational diabetes (GDM) and long-term risk of diabetes and metabolic syndrome: findings from the RADIEL study follow-up. Acta Diabetol. 2018 May;55(5):493-501. doi: 10.1007/s00592-018-1118-y. Epub 2018 Feb 19.
- Derived from this study: PubMed 29409025Huvinen E, Koivusalo SB, Meinila J, Valkama A, Tiitinen A, Rono K, Stach-Lempinen B, Eriksson JG. Effects of a Lifestyle Intervention During Pregnancy and First Postpartum Year: Findings From the RADIEL Study. J Clin Endocrinol Metab. 2018 Apr 1;103(4):1669-1677. doi: 10.1210/jc.2017-02477.
- Derived from this study: PubMed 26223239Koivusalo SB, Rono K, Klemetti MM, Roine RP, Lindstrom J, Erkkola M, Kaaja RJ, Poyhonen-Alho M, Tiitinen A, Huvinen E, Andersson S, Laivuori H, Valkama A, Meinila J, Kautiainen H, Eriksson JG, Stach-Lempinen B. Gestational Diabetes Mellitus Can Be Prevented by Lifestyle Intervention: The Finnish Gestational Diabetes Prevention Study (RADIEL): A Randomized Controlled Trial. Diabetes Care. 2016 Jan;39(1):24-30. doi: 10.2337/dc15-0511. Epub 2015 Jul 29.
- Derived from this study: PubMed 25301963Miettinen HE, Rono K, Koivusalo S, Stach-Lempinen B, Poyhonen-Alho M, Eriksson JG, Hiltunen TP, Gylling H. Elevated serum squalene and cholesterol synthesis markers in pregnant obese women with gestational diabetes mellitus. J Lipid Res. 2014 Dec;55(12):2644-54. doi: 10.1194/jlr.P049510. Epub 2014 Oct 9.
- Derived from this study: PubMed 24524674Rono K, Stach-Lempinen B, Klemetti MM, Kaaja RJ, Poyhonen-Alho M, Eriksson JG, Koivusalo SB; RADIEL group. Prevention of gestational diabetes through lifestyle intervention: study design and methods of a Finnish randomized controlled multicenter trial (RADIEL). BMC Pregnancy Childbirth. 2014 Feb 14;14:70. doi: 10.1186/1471-2393-14-70.
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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.
Saila B Koivusalo, MD principal investigator
University of Helsinki
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing Diet and exercise counseling in people with Gestational Diabetes, run by Helsinki University Central Hospital at 1 site in Finland.
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 2 inclusion and 9 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 16 Apr 2019. 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 Finland. 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. 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?
Change from Baseline in oral glucose tolerance test at variable time frames (time frame: 1) Baseline (group 1= planning a pregnancy; group 2=at gest.week 10-14); 2) at gest.week 10-14 (group 1) and 3) at gest.week 24-28; 4) 6 weeks and 12 months post partum). 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 NCT01698385, which also lists 10 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 16 Apr 2019.