Try our beta test site
IMPORTANT: Listing of a study on this site does not reflect endorsement by the National Institutes of Health. Talk with a trusted healthcare professional before volunteering for a study. Read more...

Disposition of Intravenous Ketorolac

This study has been completed.
Information provided by (Responsible Party):
Universitaire Ziekenhuizen Leuven Identifier:
First received: February 1, 2011
Last updated: December 12, 2011
Last verified: February 2011

The purpose of this study is:

  • to document ketorolac disposition (concentration/time profile, protein binding, metabolism) and its covariates following intravenous (iv) administration of ketorolac right after caesarean section and to compare those observations (n=32) with non-pregnant state (n=8) (intra-subject PK comparison)
  • to document biochemical tolerance of ketorolac
  • to evaluate if optimalisation of ketorolac dose regimen during pregnancy and labor are appropriated and needed
  • to quantify the neonatal exposure to ketorolac through excretion in the breast milk

Condition Intervention Phase
Postoperative Pain
Drug: Ketorolac Tromethamine
Phase 4

Study Type: Interventional
Study Design: Intervention Model: Single Group Assignment
Masking: Open Label
Primary Purpose: Treatment
Official Title: Disposition of Intravenous Ketorolac After Cesarean Section

Resource links provided by NLM:

Further study details as provided by Universitaire Ziekenhuizen Leuven:

Primary Outcome Measures:
  • ketorolac disposition following intravenous administration right after caesarean section [ Time Frame: up to 8 hours after first dose administration ]
    PK (concentration/time profile, protein binding, metabolism) and its covariates

Secondary Outcome Measures:
  • optimalisation of ketorolac dose regimen during pregnancy and labor [ Time Frame: up to 8 hours after first dose administration ]

Enrollment: 42
Study Start Date: June 2011
Study Completion Date: September 2011
Primary Completion Date: September 2011 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Ketorolac will be given to all patients as a part of routine medical care
Drug: Ketorolac Tromethamine
After dilution (solution for injection, 10 mg/1ml) in 50-100 ml bag of normal saline drug will be administered by iv bolus, through a peripherally inserted venous catheter, 30 mg, 3 times in one day. The intended duration of administration is 5-10 minutes.
Other Name: Taradyl

Detailed Description:

Prospective, single-center, open label study on the pharmacokinetics of intravenous (iv) ketorolac administration in pregnant women right after caesarean section. Patients will be included after signed informed consent. Ketorolac has been selected for this study as it is routinely administered for postoperative pain relief. At this stage, we only have the intention to document ketorolac pharmacokinetics and metabolism based on the dosing regimen as currently used in the clinical setting, and therefore will not interfere with either clinical indications, nor with dosing as prescribed by the attending physician. This drug is routinely administered (30 mg q8h) after caesarean section.

Drug administration and collection of samples will be obtained to the current clinical and nursing standard procedures. After dilution in 50-100 ml bag of normal saline drug will be administered after caesarean section by iv bolus, through a peripherally inserted venous catheter, 30 mg, 3 times in one day. The intended duration of administration is 5-10 minutes.

Blood samples will be collected (in heparinised tubes) according to following schedule: 1, 2, 3, 4, 6 and 8 hours after iv administration, through a second peripherally inserted venous catheter dedicated for blood sampling only. Blood samples will be centrifuged immediately after collection and subsequently stored at -20 °C until analysis. Urine samples will also be collected, before drug administration in the first 8 hours after the first drug administration, through a bladder catheter in patients in whom a bladder catheter is available for clinical indications.

In a subgroup of former patients (n=8), we plan to repeat this procedure 6-12 weeks after delivery (for intra-subject PK comparison). However, only a single iv ketorolac dose will be administered, and sampling will be limited to 6 samples up to 8 h following start of iv administration. A population pharmacokinetics approach will be used, hereby comparing the data on PK already reported in adults and the newly collected data following pregnancy.


Ages Eligible for Study:   18 Years to 50 Years   (Adult)
Sexes Eligible for Study:   Female
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • signed informed written consent
  • pregnant women to whom ketorolac is administered by intravenous route for clinical indications
  • preferable availability for revision in 6-12 weeks after delivery (around routine post-delivery check-up).

Exclusion Criteria:

  • withdrawal of informed written consent
  • known NSAID's intolerance
  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: NCT01291472

University Hospitals Leuven
Leuven, Belgium, 3000
Sponsors and Collaborators
Universitaire Ziekenhuizen Leuven
Principal Investigator: Karel Allegaert, MD PhD University Hospitals Leuven
  More Information

Publications automatically indexed to this study by Identifier (NCT Number):
Responsible Party: Universitaire Ziekenhuizen Leuven Identifier: NCT01291472     History of Changes
Other Study ID Numbers: 3214
2011-000367-27 ( EudraCT Number )
Study First Received: February 1, 2011
Last Updated: December 12, 2011

Keywords provided by Universitaire Ziekenhuizen Leuven:
non-pregnant state

Additional relevant MeSH terms:
Pain, Postoperative
Neurologic Manifestations
Nervous System Diseases
Postoperative Complications
Pathologic Processes
Signs and Symptoms
Ketorolac Tromethamine
Anti-Inflammatory Agents, Non-Steroidal
Analgesics, Non-Narcotic
Sensory System Agents
Peripheral Nervous System Agents
Physiological Effects of Drugs
Anti-Inflammatory Agents
Antirheumatic Agents
Cyclooxygenase Inhibitors
Enzyme Inhibitors
Molecular Mechanisms of Pharmacological Action processed this record on May 25, 2017