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Cardiovascular and Autonomic Reactivity in Women With a History of Pre-eclampsia

The recruitment status of this study is unknown. The completion date has passed and the status has not been verified in more than two years.
Verified July 2007 by Radboud University.
Recruitment status was:  Recruiting
Information provided by:
Radboud University Identifier:
First received: June 30, 2005
Last updated: June 7, 2010
Last verified: July 2007
A history of preeclampsia is associated with a low plasma volume and higher sympathetic activity. Methyldopa will suppress sympathetic activity to normal values. In this study, the researchers will test that effect on the total cardiovascular balance.

Condition Intervention Phase
Preeclampsia Drug: alpha methyldopa Phase 4

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Crossover Assignment
Masking: Double-Blind
Primary Purpose: Diagnostic
Official Title: Cardiovascular Performance and Autonomic Reactivity in Formerly Preeclamptic Women With a Contracted Plasma Volume (CAPACITY Trial)

Resource links provided by NLM:

Further study details as provided by Radboud University:

Primary Outcome Measures:
  • normalized plasma volume [ Time Frame: 1 month ]

Secondary Outcome Measures:
  • increased orthostatic tolerance [ Time Frame: 1 month ]
  • normalized cardiovascular balance [ Time Frame: 1 month ]
  • venous capacitance [ Time Frame: 1 month ]

Estimated Enrollment: 35
Study Start Date: September 2005
Estimated Study Completion Date: December 2008
Intervention Details:
    Drug: alpha methyldopa
    500 mg twice a day
    Other Name: Aldomet
Detailed Description:
This is a randomized double-blind placebo controlled cross-over study in formerly preeclamptic women with a contracted plasma volume. The researchers will test the effect of methyldopa on the cardiovascular balance and orthostatic tolerance in women with a history of preeclampsia and healthy controls.

Ages Eligible for Study:   Child, Adult, Senior
Sexes Eligible for Study:   Female
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Primiparous
  • History of preeclampsia
  • Low plasma volume

Exclusion Criteria:

  • Thrombophilia
  • Hypertension
  • Auto-immune disorder
  • Insulin dependent diabetes mellitus
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT00117546

Contact: M.E.A Spaanderman, MD, PhD +31 24 36 13401

Radboud University Nijmegen Medical Center Recruiting
Nijmegen, Netherlands
Sponsors and Collaborators
Radboud University
Principal Investigator: Ineke Krabbendam, MD Department of Obstetrics and Gynaecology, Radboud University Nijmegen Medical Centre
  More Information Identifier: NCT00117546     History of Changes
Other Study ID Numbers: 2004-155
Study First Received: June 30, 2005
Last Updated: June 7, 2010

Keywords provided by Radboud University:
plasma volume
sympathetic activity
cardiovascular system

Additional relevant MeSH terms:
Hypertension, Pregnancy-Induced
Pregnancy Complications
Antihypertensive Agents
Autonomic Agents
Peripheral Nervous System Agents
Physiological Effects of Drugs
Adrenergic alpha-2 Receptor Agonists
Adrenergic alpha-Agonists
Adrenergic Agonists
Adrenergic Agents
Neurotransmitter Agents
Molecular Mechanisms of Pharmacological Action processed this record on June 23, 2017