- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01545492
Testing the Developmental Origins Hypothesis (CHIPS-Child)
CHIPS-Child:Testing the Developmental Origins Hypothesis
INTRODUCTION: CHIPS-Child is a parallel, ancillary study to the CHIPS randomized controlled trial (RCT). CHIPS is designed to determine whether 'less tight' control [target diastolic BP (dBP) 100mmHg] or 'tight' control [target dBP 85mmHg] of non-proteinuric hypertension in pregnancy is better for the baby without increasing maternal risk.
CHIPS-Child is a follow up study at 12 m corrected post-gestational age (± 2 m) limited to non-invasive examination [anthropometry, hair cortisol, buccal swabs for epigenetic testing and a maternal questionnaire about infant feeding practices and background]. Annual contact will be maintained in years 2-5 and contact will include annual parental measurement of the child's height, weight and waist circumference.
OBJECTIVE: To directly test, for the first time in humans, whether differential blood pressure (BP) control in pregnancy has developmental programming effects, independent of birthweight. We predict that, like famine or protein malnutrition, 'tight' (vs. 'less tight') control of maternal BP will be associated with fetal under-nutrition and effects will be consistent with developmental programming.
Study Overview
Detailed Description
INTRODUCTION: Growing evidence shows that reduced fetal growth rate is associated with adult cardiovascular risk markers (e.g., obesity) and disease, and evidence worldwide indicates that this relationship is independent of birthweight. The leading theory describes 'developmental programming' in utero leading to permanent alteration of the fetal genome. While those changes are adaptive in utero, they may be maladaptive postnatally.
OBJECTIVE: To directly test, for the first time in humans, whether differential blood pressure (BP) control in pregnancy has developmental programming effects, independent of birthweight. We predict that, like famine or protein malnutrition, 'tight' (vs. 'less tight') control of maternal BP will be associated with fetal under-nutrition and effects will be consistent with developmental programming.
METHODS: CHIPS-Child is a parallel, ancillary study to the CHIPS randomized controlled trial (RCT). CHIPS is designed to determine whether 'less tight' control [target diastolic BP (dBP) 100mmHg] or 'tight' control [target dBP 85mmHg] of non-proteinuric hypertension in pregnancy is better for the baby without increasing maternal risk.
CHIPS-Child is a follow up study at 12 m corrected post-gestational age (± 2 m) limited to non-invasive examination [anthropometry, hair cortisol, buccal swabs for epigenetic testing and a maternal questionnaire about infant feeding practices and background]. Annual contact will be maintained in years 2-5 and contact will include annual parental measurement of the child's height, weight and waist circumference.
Sample size:. CHIPS will recruit 1028 women. We estimate that 80% of CHIPS centres will participate in CHIPS-Child, approximately 97% of babies will survive, and 90% of children will be followed to 12 m resulting in a sample size of 626. Power will be >80% to detect a between-group difference of ≥0.25 in 'change in z-score for weight' between birth and 12 m (2-sided alpha=0.05, SD 1).
Study Type
Enrollment (Anticipated)
Contacts and Locations
Study Contact
- Name: Kristal T Louie, MS
- Phone Number: 5321 604.875.2424
- Email: CHIPS-Child@cw.bc.ca
Study Locations
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Ipswich, Australia
- Recruiting
- Ipswich Hospital
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Subiaco, Australia
- Recruiting
- King Edward Memorial Hospital
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Alberta
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Edmonton, Alberta, Canada
- Recruiting
- Royal Alexandra Hospital
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British Columbia
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Surrey, British Columbia, Canada
- Recruiting
- Surrey Memorial Hospital: Jim Pttison Outpatient Care & Surgery Centre
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Vancouver, British Columbia, Canada, V6H 3N1
- Recruiting
- BC Children & Women's Health Centre
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Principal Investigator:
- Laura A Magee, MD FRCPC MSc
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Nova Scotia
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Halifax, Nova Scotia, Canada
- Recruiting
- IWK Health Centre
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Ontario
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London, Ontario, Canada
- Recruiting
- London Health Sciences Centre
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Sherbrooke, Ontario, Canada
- Recruiting
- CHUS Fleurimont
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Toronto, Ontario, Canada
- Recruiting
- Sunnybrook Health Sciences Centre
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Quebec
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Montreal, Quebec, Canada
- Recruiting
- Hopital Sainte-Justine
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Saskatchewan
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Saskatoon, Saskatchewan, Canada
- Recruiting
- Royal University Hospital
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Osorno, Chile
- Recruiting
- Hospital Base Osorno
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Puente Alto, Chile
- Recruiting
- Hospital Dr Sotero del Rio
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Tartu, Estonia
- Recruiting
- Tartu University Hospital - Women's Clinic
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Amsterdam, Netherlands
- Recruiting
- OLVG
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Amsterdam, Netherlands
- Recruiting
- Academic Medical Center
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Amsterdam, Netherlands
- Recruiting
- VU Medical Center
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Groningen, Netherlands
- Recruiting
- UMCG
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Hilversum, Netherlands
- Recruiting
- Tergooiziekenhuizen
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Maastricht, Netherlands
- Recruiting
- MUMC Maastricht
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Nieuwegein, Netherlands
- Recruiting
- St Antonius Ziekenhuis
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Utrecht, Netherlands
- Recruiting
- UMCU
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Utrecht, Netherlands
- Recruiting
- Diakonessen Ziekenhuis
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Veldhoven, Netherlands
- Recruiting
- Maxima Medical Centre
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Zwolle, Netherlands
- Recruiting
- Isala Klinieken Zwolle
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Christchurch, New Zealand
- Recruiting
- Christchurch Women's Hospital
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Birmingham, United Kingdom
- Recruiting
- Birmingham Women's Hospital
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Bradford, United Kingdom
- Recruiting
- Bradford Royal Infirmary
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Lancaster, United Kingdom
- Recruiting
- Royal Lancaster Infirmary
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Newcastle Upon Tyne, United Kingdom
- Recruiting
- Royal Victoria Infirmary
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Nottingham, United Kingdom
- Recruiting
- Nottingham City Hospital
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Ormskirk, United Kingdom
- Recruiting
- Southport & Ormskirk Hospital
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Plymouth, United Kingdom
- Recruiting
- Derriford Hospital
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Sunderland, United Kingdom
- Recruiting
- City Hospitals Sunderland NHS Foundation Trust
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Swansea, United Kingdom
- Recruiting
- Singleton Hospital
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Wolverhampton, United Kingdom
- Recruiting
- New Cross Hospital
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York, United Kingdom
- Recruiting
- York District Hospital
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Connecticut
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New Haven, Connecticut, United States, 06510
- Recruiting
- Yale-New Haven Hospital
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Kentucky
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Louisville, Kentucky, United States, 40202
- Recruiting
- Norton Hospital Downtown & Suburban
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New Jersey
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Camden, New Jersey, United States, 08103
- Recruiting
- Copper University Hospital
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Oregon
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Portland, Oregon, United States, 97239
- Recruiting
- Oregon Health & Science University
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Child
- Adult
- Older Adult
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- All women participating in CHIPS and their children born after recruitment.
Exclusion Criteria:
- Women who have experienced the loss of their pregnancy or child after recruitment into CHIPS.
Study Plan
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
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Tight
Children born to women in the CHIPS RCT randomized to "Tight" blood pressure control [target diastolic BP 85mmHg]
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Less Tight
Children born to women in the CHIPS RCT randomized to "Less Tight" [target diastolic BP 100mmHg].
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
difference in 'change in z score for weight' at 12 m(+/- 2m)
Time Frame: birth to 12m (+/-2m) of age, 24m, 36m, 48m, 60m
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Between-group difference in early postnatal weight gain ('change in z score for weight') between birth and 12 m (p<0.05),
24m, 36m, 48m & 60m.
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birth to 12m (+/-2m) of age, 24m, 36m, 48m, 60m
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
hypothalamic pituitary adrenal axis function
Time Frame: average of 12m (+/-2m) of age
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Hair collected at 12m (+/-2m) of age will be analysed for hypothalamic pituitary adrenal axis function (hair cortisol for overall cortisol production).
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average of 12m (+/-2m) of age
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differences in DNA methylation
Time Frame: average of 12 m (+/- 2m) of age
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Buccal swab samples collected at 12m (+/-2m) of age will be assessed for between-groups differences in DNA methylation, using targeted (genes associated with growth, obesity, cardiovascular disease, and/or a developmental programming effect) and global (genome-wide microarray) methods.
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average of 12 m (+/- 2m) of age
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Collaborators and Investigators
Investigators
- Principal Investigator: Laura A Magee, MD, BC Children & Women's Health Centre
Publications and helpful links
General Publications
- Tobi EW, Lumey LH, Talens RP, Kremer D, Putter H, Stein AD, Slagboom PE, Heijmans BT. DNA methylation differences after exposure to prenatal famine are common and timing- and sex-specific. Hum Mol Genet. 2009 Nov 1;18(21):4046-53. doi: 10.1093/hmg/ddp353. Epub 2009 Aug 4.
- Wadhwa PD, Buss C, Entringer S, Swanson JM. Developmental origins of health and disease: brief history of the approach and current focus on epigenetic mechanisms. Semin Reprod Med. 2009 Sep;27(5):358-68. doi: 10.1055/s-0029-1237424. Epub 2009 Aug 26.
- Waterland RA, Michels KB. Epigenetic epidemiology of the developmental origins hypothesis. Annu Rev Nutr. 2007;27:363-88. doi: 10.1146/annurev.nutr.27.061406.093705.
- Gilbert EF, Varakis J, Opitz JM, ZuRhein GM, Ware R, Viseskul C, Kaveggia EG, Hartmann HA. Generalized gangliosidosis type II (juvenile GM1 gangliosidosis). A pathological, histochemical and ultrastructural study. Z Kinderheilkd. 1975 Sep 11;120(3):151-80. doi: 10.1007/BF00439006.
- Painter RC, Roseboom TJ, Bleker OP. Prenatal exposure to the Dutch famine and disease in later life: an overview. Reprod Toxicol. 2005 Sep-Oct;20(3):345-52. doi: 10.1016/j.reprotox.2005.04.005.
- Silveira PP, Portella AK, Goldani MZ, Barbieri MA. Developmental origins of health and disease (DOHaD). J Pediatr (Rio J). 2007 Nov-Dec;83(6):494-504. doi: 10.2223/JPED.1728.
- Cameron N, Demerath EW. Critical periods in human growth and their relationship to diseases of aging. Am J Phys Anthropol. 2002;Suppl 35:159-84. doi: 10.1002/ajpa.10183.
Study record dates
Study Major Dates
Study Start
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Other Study ID Numbers
- H08-00882CHIPS-Child
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