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Intensive Care, NeonatalNCT04928651

Clonidine for Analgesia to Preterm Infants During Neonatal Intensive Care

An observational study of Intensive Care, Neonatal and Analgesia, run by Region Skane at 2 sites in Sweden.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

A prospective pharmacokinetic (PK), pharmacodynamic (PD) and pharmacogenetic (PG) observation study, including the PK/PD/PG relationship, in clonidine administered for analgesia and sedation to preterm newborn infants receiving neonatal intensive care. Phase 3 - therapeutic confirmatory study Read more about this study

Who is it for?
Ages Up to 37 weeks
What is being tested?
Clonidine
How many people
40 participants
Where
2 sitesSweden
Study dates
6 Apr 2018to 13 May 2022
Phase
Observational
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 Up to 37 weeks
  • All sexes
  • No healthy volunteers
  • Child

Study population: Sick preterm infants admitted to the NICU in need for analgesic or sedative medication according to clinical judgment.

Who may be able to join

  • Preterm infants (< gw 37+0) who are in need for analgesic or sedative medication according to clinical judgment (scoring with pain assessment scales; ALPS-Neo and Comfort-Neo)
  • Existing arterial or venous cannulas/catheters for repeated non-traumatic blood sampling
  • Informed and written parental consent

Who cannot join

  • Hemodynamic instability (same as in clinical routine).
  • Cardiac malformations in need for postnatal surgery.
  • Any serious medical condition or ethical issues that could, in the Investigators opinion, interfere with the study procedures.

Trial locations and contacts

2 sites in 1 country.

Sweden2 sites
  • Skane University Hospital

    Lund, 221 85

  • Marco Bartocci

    Stockholm, 171 76

Other trials in Sweden

About this study

Official title: Clonidine for Analgesia to Preterm Infants During Neonatal Intensive Care - a Prospective Pharmacokinetic/Pharmacodynamic/Pharmacogenetic Observational Study. Cohort 2 in The SANNI Project

A prospective pharmacokinetic (PK), pharmacodynamic (PD) and pharmacogenetic (PG) observation study, including the PK/PD/PG relationship, in clonidine administered for analgesia and sedation to preterm newborn infants receiving neonatal intensive care. Phase 3 - therapeutic confirmatory study

Read the detailed description

All preterm infants that are admitted to the study neonatal intensive care units (NICUs) for neonatal intensive care are potential study patients, and their parents will be asked for consent.

The patient will be treated according to clinical guidelines and will be included in the study if in need for clonidine according to clinical judgment (pain scores) and as decided by the responsible clinical doctor. The dosing and administration of the drug will be implemented according to an algorithm based on pain scoring results.

Apart from extra blood sampling, the bedside monitoring, investigations (electroencephalography, EEG, echocardiography, ECG, ultrasound of the brain) and follow-up (neurologic examination and magnetic resonance imaging, MRI) are the same as for all preterm infants according to local and national guidelines.

In total 100 infants will be included.

Being tested
Clonidine
Medical subject headings
Agnosia

What participants receive

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

  • ClonidineDrug

    Clonidine will be administered to preterm infants in need of analgesia and sedation; either as the primary drug for comfort and light sedation or as an "add-on" drug to opioids according to an algorithm based on pain and sedative scoring results. Opioids are mostly given to postoperative patients. These drugs (morphine or fentanyl) will not be studied, but a baseline PK sample will be taken to correlate to the baseline aEEG.

Study groups in NCT04928651
Study groupRoleWhat they receive
ClonidinePreterm infants (< gw 37+0) who are in need for analgesic or sedative medication will receive treatment with clonidine according to an algorithm based on pain and sedative scoring results
Receives: Drug: Clonidine

What is being measured

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

  1. Pharmacokinetics (PK) of clonidine; S-concentration

    Clonidine analyses will be performed with LC-MS standard assay on a Waters ultra-pressure liquid chromatography (UPLC)-MS/MS system and then statistically analysed with NONMEM (Non-linear Mixed Effect Modelling) populationbased PK statistics

    Measured: Repeated blood samples (5 minutes after the loading dose, just before start of the clonidine infusion and at 1 hour, 24 hours, 48 hours and 72 hours after start of the infusion

  2. Pharmacokinetics (PK) of clonidine; elimination half-time

    Statistical analyses will be performed with NONMEM (Non-linear Mixed Effect Modelling) populationbased PK statistics

    Measured: Data from repeated blood samples (5 minutes after the loading dose, just before start of the clonidine infusion and at 1 hour, 24 hours, 48 hours and 72 hours after start of the infusion

  3. Pharmacokinetics (PK) of clonidine; clearance

    Statistical analyses will be performed with NONMEM (Non-linear Mixed Effect Modelling) populationbased PK statistics

    Measured: Data from repeated blood samples (5 minutes after the loading dose, just before start of the clonidine infusion and at 1 hour, 24 hours, 48 hours and 72 hours after start of the infusion

  4. Pharmacokinetics (PK) of clonidine; volume of distribution

    Statistical analyses will be performed with NONMEM (Non-linear Mixed Effect Modelling) populationbased PK statistics

    Measured: Data from repeated blood samples (5 minutes after the loading dose, just before start of the clonidine infusion and at 1 hour, 24 hours, 48 hours and 72 hours after start of the infusion

  5. Neurophysiologic amplitude-integrated EEG response in relation to PK

    Analyse of single cortical events and their dynamics, based on burst detection and measuring features of individual bursts as well as their mass statistical behaviour over time.

    Measured: From 30 minutes before start of treatment until 72 hours after start of treatment.

  6. Neurophysiologic amplitude-integrated EEG response; longer term brain function in relation to PK

    Assessment of longer term brain function using measures of long range correlation and brain activity cycling.

    Measured: From 30 minutes before start of treatment until 72 hours after start of treatment.

  7. Neurophysiologic amplitude-integrated EEG response; assessment of global brain network function in relation to PK

    Assessment of global brain network function will be based on Activation Synchrony Index.

    Measured: From 30 minutes before start of treatment until 72 hours after start of treatment.

Secondary outcomes (11)
  1. Change in/association between heart rate in relation to PK .

    The heart rate will be monitored 1/second according to clinical routine in the neonatal intensive care, and concomitantly downloaded into the aEEG (amplitude integrated electroencephalography) monitor. The change will be described as percentage increase/decrease

    Measured: From 30 minutes before start of treatment until 72 hours.

  2. Change in/association between blood pressure (systolic, diastolic and mean arterial blood pressure) in relation to PK .

    The blood pressure will be monitored 1/second according to clinical routine in the neonatal intensive care, and concomitantly downloaded into the aEEG (amplitude integrated electroencephalography) monitor. The change will be described as percentage increase/decrease

    Measured: From 30 minutes before start of treatment until 72 hours.

  3. Change in/association between peripheral oxygen saturation in relation to PK .

    The peripheral oxygenation will be monitored 1/second according to clinical routine in the neonatal intensive care, and concomitantly downloaded into the aEEG (amplitude integrated electroencephalography) monitor. The change will be described as percentage increase/decrease

    Measured: From 30 minutes before start of treatment until 72 hours.

  4. Change in NIRS (near-infrared spectroscopy) response in relation to PK .

    The NIRS registration will be sampled into a USB and downloaded and analysed. The change will be described as percentage increase/decrease

    Measured: From 30 minutes before start of treatment until 72 hours.

  5. Change in pain, stress and behavioral state as assessed with a pain scale for continuous pain/stress (Astrid Lindgrens and Lund childrens hospitals Pain and stress assessment scale for Preterm and Sick newborn infants, ALPS-Neo) in relation to PK.

    Change in pain responses as measured by pain assessment scores for continuous pain/stress, The Astrid Lindgren and Lund Children's Hospitals Pain and Stress Assessment Scale for Preterm and sick Newborn Infants (ALPS-Neo) in relation to PK. This scale evaluates facial expression, breathing pattern, tone of extremities, hand/foot activity and level of activity, rated 0-2. Will be assessed hourly according to clinical routine. The relation to PK will be analysed with the help of NONMEM statistics

    Measured: From 30 minutes before start of treatment until 72 hours.

  6. Change in pain, stress and behavioral state as assessed with a pain scale for continuous pain/stress (The COMFORT-Neo scale) in relation to PK

    Change in pain responses as measured by pain assessment scores for continuous pain/stress, the Comfort Neo, in relation to PK. This scale evaluates alertness, calmness/agitation, respiratory response, crying, body movement, facial tension and muscle tone, rated 0-5. Will be assessed hourly according to clinical routine. The relation to PK will be analysed with the help of NONMEM statistics

    Measured: From 30 minutes before start of treatment until 72 hours.

  7. Procedural pain response in relation to PK: assessed with change in galvanic skin response

    Procedural pain response at a short standardized pain stimulation; as assessed with change in galvanic skin response in relation to PK. The change will be described as percentage increase/decrease

    Measured: At one occasion during the study period (72 hours) when the analgesic treatment has not been changed the last six hours.

  8. Procedural pain response in relation to PK: change in serum-cortisol

    Procedural pain response at a short standardized pain stimulation; change in serum-cortisol in relation to PK. The relation to PK will be analysed with NONMEM statistics.

    Measured: At one occasion during the study period (72 hours) when the analgesic treatment has not been changed the last six hours.

  9. Procedural pain response in relation to PK as assessed with the Premature Infant Pain Profile - revised, PIPP-R, a scale for assessment of procedural pain.

    Procedural pain response at a short standardized pain stimulation; as scored by a procedural pain assessment scale (Premature Infant Pain Profile - revised, PIPP-R) in relation to PK. The relation to PK will be analysed with NONMEM statistics.

    Measured: At one occasion during the study period (72 hours) when the analgesic treatment has not been changed the last six hours.

  10. Pharmacogenetic profile in relation to PK results how PK phenotypes depend on pharmacogenetic (PG) profiles.

    Whole exome sequencing will be conducted, specific pain related genes investigated and related to PK

    Measured: One blood sample during the study period of 72 hours

  11. Pharmacogenetic profile in relation to PD results

    Whole exome sequencing will be conducted, specific pain related genes investigated and related to pain response as assessed with scores, serum cortisol and skin conductance.

    Measured: One blood sample during the study period of 72 hours

Timeline

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

  1. First posted16 Jun 2021
  2. Study start6 Apr 2018
  3. Primary completion13 May 2022
  4. Study completion13 May 2022

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
Case only
Time perspective
Prospective
Enrolment
40 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT04928651
Sponsor's protocol ID
2017-005091-26
Other IDs
2017
Status last verified
Feb 2023
First submitted
23 Mar 2018
Last updated
4 Aug 2023
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

An observational study of Intensive Care, Neonatal and Analgesia, run by Region Skane at 2 sites in Sweden.

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 3 inclusion and 3 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 4 Aug 2023. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 2 sites in Sweden. 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?

Pharmacokinetics (PK) of clonidine; S-concentration (time frame: Repeated blood samples (5 minutes after the loading dose, just before start of the clonidine infusion and at 1 hour, 24 hours, 48 hours and 72 hours after start of the infusion). The study lists 7 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
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 4 Aug 2023.

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