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DeliriumPhase 4NCT03078946

Dexmedetomidine Versus Morphine and Midazolam in Prevention and Treatment of Delirium After Adult Cardiac Surgery

A Phase 4 study testing Dexmedetomidine Hydrochloride and Morphine and Midazolam in people with Delirium, run by Ain Shams University.

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

This randomized double-blind parallel clinical study was conducted on 60 patients undergoing elective cardiac surgery under general anesthesia, at least 60 yr old, ASA I and II, 70-100 kg body weight and height 160-180 cm. Read more about this study

Who is it for?
Ages 60 years and older
Conditions the study is for
Delirium
What is being tested?
Dexmedetomidine Hydrochloride and Morphine and Midazolam
Type of treatment
Injection or infusion
Could I receive a placebo?
No, everyone receives an active treatment
How many people
60 participants
Where
No sites listed yet
Study dates
Mar 2013to Apr 2015
Phase
Phase 4
Are there results?
Yes, posted in the registrySummary in the doctors' view

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 60 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • elective cardiac surgery under general anesthesia
  • at least 60 yr old
  • ASA physical status I and II
  • 70-100 kg body weight
  • height 160-180 cm.

Who cannot join

  • Patients with impaired kidney or liver functions
  • history of cardiac or central nervous system disease
  • uncontrolled medical disease (diabetes mellitus and hypertension)
  • coagulation defect
  • history of drug or alcohol abuse
  • history of chronic pain or daily intake of analgesics
Show all 9Show fewer
  • history of intake of non-steroidal anti-inflammatory drugs or opioids within 24 h before surgery
  • allergy to the used medications
  • or patient's refusal

About this study

Official title: Dexmedetomidine Versus Morphine and Midazolam in Prevention and Treatment of Delirium After Adult Cardiac Surgery; a Randomized, Double-blind Clinical Trial

This randomized double-blind parallel clinical study was conducted on 60 patients undergoing elective cardiac surgery under general anesthesia, at least 60 yr old, ASA I and II, 70-100 kg body weight and height 160-180 cm. Patients were randomized to: group A=30 patients receiving dexmedetomidine infusion (0.4- 0.7 µg /kg/h) or group B= 30 patients receiving morphine in a dose of 10-50μg/kg/hr as an analgesic with midazolam in a dose of 0.05mg/kg up to 0.2 mg/kg repeated as needed. Titration of the study medications infusions was conducted to maintain light sedation (RASS) (-2 to +1). Primary outcome was the prevalence of delirium measured daily via Confusion Assessment Method for intensive care. If Delirium and agitation occurred: haloperidol 2.5-5 mg IV was given in repeated boluses. Secondary outcomes included ventilation time, additional sedation/analgesia, hemodynamics and adverse effects.

Read the detailed description

Upon arrival at the ICU, a standardized protocol for postoperative care was implemented for all patients. Infusion rates for all sedative protocols were titrated in order to achieve and maintain light sedation (RASS -2 to +1) before extubation and (RASS 0) after extubation. All patients were extubated when deemed clinically appropriate according to local protocols. Because of their specific pharmacologic properties (i.e., respiratory depression), patients were weaned off propofol or midazolam infusions before extubation, whereas patients receiving dexmedetomidine were extubated while still on the medication and were kept on the maintenance infusion as deemed clinically necessary for a maximum of 24 hours.

Initial assessment and stabilization of both patient groups include; Clinical examination, hemodynamics (invasive blood pressure, heart rate, drains), activated clotting time, electrocardiography, chest x-ray and arterial blood gases including sodium and potassium. All patients were allowed to take 200 μg fentanyl and 5mg midazolam immediately on admission. Daily electrocardiography, chest x-ray, arterial blood gases including sodium and potassium, kidney function, coagulation profile if valve surgery or bleeding occurred, liver function if delirium occurred and CRP quantitative titre.

Delirium was monitored and reassessed up to a maximum of 7 days after surgery and the assessment takes place in two steps; Firstly, the level of consciousness must be assessed using the Richmond Agitation-Sedation Scale. If the patient appears to have a RASS score≥3, then evaluation of delirium using the Confusion Assessment Method for the Intensive Care Unit (CAM-ICU) can be performed. The CAM-ICU includes the assessment of 4 different features; acute change or fluctuating course of mental status, inattention, altered level of consciousness and disorganized thinking. CAM-ICU is considered positive when features 1 and 2 and either 3 or 4 are present (11). The CAM-ICU was performed once daily before midday, independent of additional analgesia or sedation. Abnormal or delirious behavior was recorded every shift by the bedside nurse (nurse:patient ratio 1:1) and reviewed by the research team. The number of delirium days was determined by following delirious patients until 7 days after surgery. Patients were considered delirium-free when they were free of delirium for more than 24 h and alive.

Conditions
Delirium
Being tested
Dexmedetomidine Hydrochloride, Morphine and Midazolam
Keywords
Cardiac surgery, delirium, dexmedetomidine, morphine, midazolam
Medical subject headings
Delirium

What participants receive

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

  • Dexmedetomidine HydrochlorideDrug

    30 patients received a loading dose of 1 μg/kg dexmedetomidine (Precedex; Hospira, Precedex 200 mcg/2 ml, Hospira. Inc, Lake Forest, USA) diluted in 100 ml 0.9% saline infused over 10 min immediately postoperative, followed by continuous infusion of 0.2- 0.7 μg/kg/h

  • Morphine and MidazolamDrug

    30 patients received morphine in a dose of 10-50μg/ kg/hr as an analgesic (Morphine Sulphate ampoule; 10 mg/ 1ml, Misr Co.- Egypt) with midazolam in a dose of 0.05mg/kg up to 0.2 mg/kg (Dormicum; Roche; USA; ampoule containing 15 mg/3 ml mixed in sugar-free apple juice limiting the total volume mixed with a double volume of apple juice) repeated as needed.

Study groups in NCT03078946
Study groupRoleWhat they receive
Dexmedetomidine Group (N=30)Active comparatorNot described
Receives: Drug: Dexmedetomidine Hydrochloride
Morphine with Midazolam (N=30)Active comparatorNot described
Receives: Drug: Morphine and Midazolam

What is being measured

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

  1. The Incidence of Delirium (Number of Patients (in Digits))

    Measured: Delirium was reported on day 7 post-surgery

  2. The C-reactive Protein (CRP) Quantitative Titer Daily as Part of the Routine Clinical Care as a Prognostic Factor for Delirium (mg/L)

    Measured: The maximum serum CRP level during the ICU stay was designated as max-CRP on day 7 post-surgery

Timeline

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

  1. First posted14 Mar 2017
  2. Study startMar 2013
  3. Primary completionApr 2015
  4. Study completionApr 2015

Resources

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 4
Primary purpose
Prevention
Allocation
Randomised
Intervention model
Parallel groups
Masking
Double blind
Who is masked
Participant, Investigator
Enrolment
60 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03078946
Sponsor's protocol ID
1775
Status last verified
Jul 2023
First submitted
3 Mar 2017
Last updated
25 Jul 2023
FDA-regulated drug
No
FDA-regulated device
No

Publications

  • Azeem TMA, Yosif NE, Alansary AM, Esmat IM, Mohamed AK. Dexmedetomidine vs morphine and midazolam in the prevention and treatment of delirium after adult cardiac surgery; a randomized, double-blinded clinical trial. Saudi J Anaesth. 2018 Apr-Jun;12(2):190-197. doi: 10.4103/sja.SJA_303_17.

    PubMed 29628826

Questions about this trial

What is this clinical trial studying?

A Phase 4 study testing Dexmedetomidine Hydrochloride and Morphine and Midazolam in people with Delirium, run by Ain Shams University.

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 5 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 25 Jul 2023. Status can change between updates, so confirm with the study contact before making plans.

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.

What does this phase mean?

Phase 4 studies take place after a treatment is approved, to learn more about its long-term benefits and risks in everyday use.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 28 Aug 2020). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

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?

The Incidence of Delirium (Number of Patients (in Digits)) (time frame: Delirium was reported on day 7 post-surgery). The study lists 2 primary outcomes in all. 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 NCT03078946, which also lists 1 linked publication.

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 25 Jul 2023.

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