NCT05571176

Brief Summary

S-ketamine is often administered as a part of multimodal analgesia to reduce postoperative pain and postoperative opioid consumption. Current data indicates that ketamine may be useful for patients with prior use of opioids whereas the benefit for opioid-naive patients is less clear. However, different opioids have variable pharmacokinetic characteristics. Therefore, it is important to evaluate S-ketamine's effect on the pharmacokinetics of opioids.

Trial Health

35
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
12

participants targeted

Target at below P25 for phase_1

Timeline
Completed

Started Jan 2023

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

September 28, 2022

Completed
9 days until next milestone

First Posted

Study publicly available on registry

October 7, 2022

Completed
3 months until next milestone

Study Start

First participant enrolled

January 1, 2023

Completed
5 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 1, 2023

Completed
6 months until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2023

Completed
Last Updated

October 7, 2022

Status Verified

September 1, 2022

Enrollment Period

5 months

First QC Date

September 28, 2022

Last Update Submit

October 4, 2022

Conditions

Keywords

S-ketaminehepatic UGT2B7 enzymepharmacokinetic interactionmorphinehydromorphonebuprenorphine

Outcome Measures

Primary Outcomes (3)

  • Area under the plasma concentration versus time curve (AUC) of morphine, hydromorphone and buprenorphine after intravenous S-ketamine infusion.

    We aim to investigate whether there is a clinically significant pharmacokinetic interaction between S-ketamine and morphine, S-ketamine and hydromorphone and S-ketamine and buprenorphine.

    Time points for the measurements after the initiation of S-ketamine infusion: 0 minutes, 60 minutes, 90 minutes, 120 minutes, 180 minutes and 210 minutes

  • Peak plasma concentrations (Cmax) of morphine, hydromorphone and buprenorphine after intravenous S-ketamine infusion

    We aim to investigate whether there is a clinically significant pharmacokinetic interaction between S-ketamine, morphine, S-ketamine and hydromorphone and S-ketamine and buprenorphine.

    Time points for assessing peak plasma concentrations (Cmax) for morphine, hydromorphone and buprenorphine are the following: 0 minutes, 30 minutes, 60 minutes, 90 minutes, 120 minutes, 180 minutes, 210 minutes after the initiation of S-ketamine infusion.

  • Half-life time (t1/2) of morphine, hydromorphone and buprenorphine concentrations after intravenous S-ketamine infusion.

    We aim to investigate whether there is a clinically significant pharmacokinetic interaction between S-ketamine, morphine, S-ketamine and hydromorphone and S-ketamine and buprenorphine.

    Time points for assessing half-life time of morphine, hydromorphone and buprenorphine are 0 minutes, 30 minutes, 60 minutes, 90 minutes, 120 minutes, 180 minutes and 210 minutes after initiation of S-ketamine infusion.

Secondary Outcomes (5)

  • The effect of S-ketamine on brain-derived neurotrophic factor (BDNF) release

    Time points for assessments: 30 minutes, 120 minutes, 240 minutes, 360 minutes, 480 minutes and at Day1 after the intiation of S-ketamine infusion

  • The effect of S-ketamine on vascular endothelial growth factor (VEGF) release

    Time points for assessments: 30 minutes, 120 minutes, 240 minutes, 360 minutes, 480 minutes and at Day1 after the intiation of S-ketamine infusion.

  • The effect of S-ketamine infusion on prolactin release.

    Time points for assessments: 30 minutes, 120 minutes, 240 minutes, 360 minutes, 480 minutes and at Day1 after the intiation of S-ketamine infusion

  • The effect of S-ketamine infusion on cortisol release.

    Time points for assessments: 30 minutes, 120 minutes, 240 minutes, 360 minutes, 480 minutes and at Day1 after the intiation of S-ketamine infusion

  • The effect of S-ketamine infusion on thrombocyte aggregation.

    At 2 hours after initiation of S-ketamine infusion.

Study Arms (2)

S-ketamine infusion

EXPERIMENTAL

12 healthy volunteers, S-ketamine infusion 0.29 mg/kg/h for 4 hours

Drug: S-ketamine

Placebo (NaCl 0.9%) infusion

PLACEBO COMPARATOR

12 healthy volunteers, placebo (NaCl 0.9%) infusion for 4 hours

Drug: S-ketamine

Interventions

S-ketamine infusion 0.29 mg/kg/h for 4 hours

Placebo (NaCl 0.9%) infusionS-ketamine infusion

Eligibility Criteria

Age18 Years - 45 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • written informed consent
  • age 18-45 years
  • healthy
  • Normal values in the following laboratory assessments: Hb, P-ALAT, P-AFOS, P-GT, P-creatinine, P-K, P-Na, chemical sample for urine (U-KemSeul). Pregnancy test (P-hCG-tot) must be negative.
  • Urine sample for detection of any illegal drugs must be negative (U-Huum-PS)
  • Normal EKG
  • Normal blood pressure
  • No prior use of illicit drugs

You may not qualify if:

  • Tendency/predisposition to illicit drug use, illicit drug use in history
  • Abnormal EKG
  • smoking
  • use of oral contraceptives
  • pregnancy, lactation
  • participating in a less tha 3 months ago
  • Blood donation less than 3 months ago
  • The subject's peripheral veins are hardly visible (predisposing difficulties in cannulation)
  • weight less than 50 kg, body mass index (BMI) less than 18,5 or over 30

Contact the study team to confirm eligibility.

Sponsors & Collaborators

MeSH Terms

Interventions

Esketamine

Study Officials

  • Tuomas Lilius, MD, PhD

    University of Helsinki

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Elina CV Brinck, MD, PhD

CONTACT

Tuomas Lilius, MD, PhD

CONTACT

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Masking Details
This is a double-blind study. Study participants, investigators, care providers and personnel collecting samples are blinded. Personnel preparing study drugs will not participate on conducting the study. On the first phase of the study, study participants will be administered one of the study drug infusions (either S-ketamine or placebo). The order of the study drug is random. On the second phase, study participants will be administered the other study drug (S- ketamine or placebo) that she/he did not receive on the first phase.
Purpose
TREATMENT
Intervention Model
CROSSOVER
Model Details: This is a cross-over study with two phases on 12 healthy volunteers. Study participants will be administered S-ketamine 0.29mg/kg/h intravenously or placebo (NaCl 0.9%) for 4 hours. 30 minutes after the initiation of the study drug infusion, each subject will be given single boluses of morphine 0.01mg/kg, hydromorphone 0.002mg/kg and buprenorphine 0.003mg/kg IV. We will analyze pharmacokinetic parameters (Cmax, tmax, AUC, t1/2) for morphine, hydromorphone, and buprenorphine. The aim of the study is to evaluate whether S-ketamine has a pharmacokinetic interaction with the opioids (morphine, hydromorphone, buprenorphine) known to be metabolized via liver UGT2B7 enzyme.
Sponsor Type
OTHER
Responsible Party
SPONSOR INVESTIGATOR
PI Title
MD, PhD

Study Record Dates

First Submitted

September 28, 2022

First Posted

October 7, 2022

Study Start

January 1, 2023

Primary Completion

June 1, 2023

Study Completion

December 1, 2023

Last Updated

October 7, 2022

Record last verified: 2022-09

Data Sharing

IPD Sharing
Will not share