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Psychological StressEarly Phase 1NCT06080100

RELIEF OF PSYCHOEMOTIONAL STRESS USING XENON SEDATION

A Early Phase 1 study testing Xenon and premedication hydroxyzine 25 mg in people with Psychological Stress and Anesthesia, run by The S.N. Fyodorov Eye Microsurgery State Institution at 1 site in Russia.

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

The goal of this clinical trial is to propose for implementation and evaluate the effectiveness of xenon sedation for the relief of psychoemotional stress disorder before the operation of refractive laser vision correction patients with high anxiety and stress instability who underwent xenon analgosedation before… Read more about this study

Who is it for?
Ages 18 to 45 yearsHealthy volunteers can take part
Conditions the study is for
Psychological Stress, Anesthesia, Anxiety
What is being tested?
Xenon and premedication hydroxyzine 25 mg
Could I receive a placebo?
No, everyone receives an active treatment
How many people
140 participants
Where
1 siteRussia
Study dates
1 Nov 2023to 1 Sep 2026
Phase
Early Phase 1
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 18 to 45 years
  • All sexes
  • Healthy volunteers accepted
  • Adult

Who may be able to join

  • upcoming operation ReLEx® SMILE;
  • high anxiety and stress instability (Spielberger-Khanin test of 46 points or more);
  • signed informed consent to participate in the study.

Who cannot join

  • concomitant somatic diseases in the decompensation stage.

Trial locations and contacts

1 site in 1 country.

Russia1 site
  • s. Fyodorov Eye Microsurgery Federal State Inctitution

    Krasnodar, 350012

Other trials in Russia

About this study

Official title: RELIEF OF PSYCHOEMOTIONAL STRESS BEFORE REFRACTIVE LASER VISION CORRECTION SURGERY USING XENON SEDATION

The goal of this clinical trial is to propose for implementation and evaluate the effectiveness of xenon sedation for the relief of psychoemotional stress disorder before the operation of refractive laser vision correction patients with high anxiety and stress instability who underwent xenon analgosedation before refractive laser vision correction. The main question[s] it aims to answer are:

  1. To develop a method of xenon sedation in patients with a high level of psychoemotional stress before surgery - refractive laser vision correction.
  2. To evaluate the effect of inhaled xenon anesthesia in a sub-narcotic dose on the duration of surgery, satisfaction of surgeons and patients with anesthesia, the level of postoperative pain in patients in comparison with anxiolytics.
Read more

The following will be studied: the level of preoperative anxiety, the dynamics of glycemia and blood cortisol levels, heart rate variability, electrical microamplitudes of the ECG signal, the anti-stress and analgesic effect of xenon.

If there is a comparison group: the researchers will compare [the group with xenon sedation and the control group] to see if there is [an anti-stress effect of xenon in patients before laser vision correction].

Read the detailed description

The aim of the study is to propose for implementation and evaluate the effectiveness of xenon sedation for the relief of psychoemotional stress disorder before the operation of refractive laser vision correction.

Research objectives

  1. To develop a method of xenon sedation in patients with a high level of psychoemotional stress before surgery - refractive laser vision correction.
  2. To evaluate the effect of inhaled xenon anesthesia in a sub-narcotic dose on the duration of surgery, satisfaction of surgeons and patients with anesthesia, the level of postoperative pain in patients in comparison with anxiolytics.
  3. To study the dynamics of laboratory stress markers during xenon sedation before refractive laser vision correction operations, in comparison with anxiolytics of the non-benzodiazepine series.
  4. To evaluate the change in heart rate variability indicators on the "Varicard" devices and the "Cardiovisor" software package (ECG dispersion mapping method) in comparison with the anxiolytics of the non-benzodiazepine series in the studied groups of patients.
  5. To study the economic component in the expenditure of an inhalation anesthetic during xenon anesthesia in a sub-narcotic dosage in outpatient ophthalmic surgery.

The studied phenomena are: the level of preoperative anxiety, the dynamics of glycemia and blood cortisol levels, heart rate variability, electrical microamplitudes of the ECG signal, the anti-stress and analgesic effect of xenon.

The object of the study:

The main group (patients with high anxiety and stress instability, who underwent xenon analgosedation before refractive laser vision correction) - 70 people.

The control group (patients with high anxiety and stress instability, who underwent local anesthesia using standard premedication with hydroxyzine (hydroxyzine) 25 mg.) - 70 people.

Inclusion criteria:

  • upcoming surgery in the form of laser vision correction (Femto Lasik or ReLEx ® SMILE);
  • male and female patients over 18 years of age with high anxiety and stress instability (Spielberger-Khanin test of 46 points or more);
  • signed informed consent to participate in the study.

Non-inclusion criteria:

  • concomitant somatic diseases in the decompensation stage.

Exclusion criteria:

  • the patient's desire to withdraw from the study;

Research methods:

  1. Assessment of stress levels by testing on the Spielberger-Hanin scale.
  2. Examination of the patient on a Cardiovisor and Varicard before and after surgery.
  3. Laboratory assessment of the level of capillary glucose and cortisol in the blood before and after surgery.
  4. Assessment of postoperative pain on a visual-analog scale.
  5. Statistical methods. Practical significance: the use of xenon sedation to relieve the psychoemotional tension of patients during the operation ReLEx® SMILE and Femto Lasik will reduce the frequency of complications of these operations (loss of vacuum fixation). The proposed method will also expand the availability of such operations for patients with increased neuro-reflex excitability.

Novelty of the study:

In this study, for the first time, there will be:

  1. The method of application of xenon sedation for relief of psychoemotional tension of patients during operations - refractive laser vision correction (ReLEx® SMILE and Femto Lasik) will be presented.
  2. The method of assessing the autonomic nervous system (Varicard) will be used for the first time to control the dynamics of stress in ophthalmic surgery using xenon sedation.
  3. The method reflecting changes in the electrophysiological state of the myocardium (Cardiovisor) under the influence of xenon sedation will be used for the first time.
Being tested
Xenon, premedication hydroxyzine 25 mg
Keywords
sedation, laser refractive interventions, anxiety, xenon
Medical subject headings
Stress, Psychological, Anxiety Disorders

What participants receive

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

  • XenonDrug

    inhalation of xenon in a sub-narcotic dosage

  • premedication hydroxyzine 25 mgOther

    taking anxiolytic 30 minutes before surgery

Study groups in NCT06080100
Study groupRoleWhat they receive
Main groupActive comparatorpatients with high anxiety and stress instability who underwent xenon analgosedation before refractive laser vision correction
Receives: Drug: Xenon
Control groupOtherpatients with high anxiety and stress instability who underwent local anesthesia using standard premedication with hydroxyzine (hydroxyzine) 25 mg.
Receives: Other: premedication hydroxyzine 25 mg

What is being measured

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

  1. the concentration of cortisol in the blood

    the change in the cortisol concentration index as a stress marker during xenon sedation before refractive laser vision correction operations in comparison with anxiolytics of the non-benzodiazepine series.

    Measured: 30 minutes before surgery and 30 minutes after surgery

  2. glucose concentration in capillary blood

    changes in glucose concentration index as a stress marker during xenon sedation before refractive laser vision correction operations in comparison with anxiolytics of the non-benzodiazepine series.

    Measured: 30 minutes before surgery and 30 minutes after surgery

  3. stress index

    the change in the heart rate variability measured by the Varikard device in comparison with the anxiolytics of the non-benzodiazepine series in the studied groups of patients.

    Measured: 30 minutes before surgery and 30 minutes after surgery

  4. rhythm index

    the change in the rhythm index measured by the Cardiovisor device in comparison with benzodiazepine-type anxiolytics in the studied groups of patients.

    Measured: 30 minutes before surgery and 30 minutes after surgery

Timeline

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

  1. First posted12 Oct 2023
  2. Study start1 Nov 2023
  3. Primary completion1 Sep 2026
  4. Study completion1 Sep 2026

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
Early Phase 1
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Model description
According to the latest data, the need for xenon analgosedation occurs in 10% of cases from all excimer laser operations. N= 1,96\*10\*90/25=70.
Masking
None (open label)
Enrolment
140 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT06080100
Sponsor's protocol ID
2
Status last verified
Sep 2026
First submitted
1 Oct 2023
Last updated
21 Sep 2026
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
Undecided

Publications

  • Duygu Yalinbas, Erman Bozali, Ayla Uzun Çiçek. Comparison of Self-Esteem and Social Anxiety Levels of Adolescents Who Wear Spectacles and Who Do Not. Turkish Journal of Family Medicine & Primary Care.2021; 15(4):862-871. https://doi.org/10.21763/tjfmpc.976914

  • Nazari R, Ahmadzadeh R, Mohammadi S, Rafiei Kiasari J. Effects of hand massage on anxiety in patients undergoing ophthalmology surgery using local anesthesia. J Caring Sci. 2012 Aug 25;1(3):129-34. doi: 10.5681/jcs.2012.019. eCollection 2012 Sep.

    PubMed 25276687
  • Hou H, Li X, Song Y, Ji Y, Sun M, Wang D, Jiao J, Qu J, Gu H. Effect of interactive, multimedia-based home-initiated education on preoperative anxiety inchildren and their parents: a single-center randomized controlled trial. BMC Anesthesiol. 2023 Mar 28;23(1):95. doi: 10.1186/s12871-023-02055-7.

    PubMed 36977985
  • Hatam Boustani, Sirus Pakseresht, Mitra Zamani, Mohammad Akmali. The effect of music therapy on the anxiety level of patients undergoing LASIK eye surgery before operation. Minerva Medica. 2018. 5(7): 80-87. https://doi.org/10.23736/S0394-9508.17.04756-8

  • Sasajima H, Zako M, Ueta Y, Murotani K. Effects of Low-Concentration Nitrous Oxide Anesthesia on Patient Anxiety During Cataract Surgery: A Retrospective Cohort Study. Clin Ophthalmol. 2022 Aug 24;16:2803-2812. doi: 10.2147/OPTH.S382476. eCollection 2022.

    PubMed 36042911
  • Shah R. History and Results; Indications and Contraindications of SMILE Compared With LASIK. Asia Pac J Ophthalmol (Phila). 2019 Sep-Oct;8(5):371-376. doi: 10.1097/01.APO.0000580132.98159.fa.

    PubMed 31567264
  • Ganesh S, Brar S, Arra RR. Refractive lenticule extraction small incision lenticule extraction: A new refractive surgery paradigm. Indian J Ophthalmol. 2018 Jan;66(1):10-19. doi: 10.4103/ijo.IJO_761_17.

    PubMed 29283117
  • Xia Y, Fang H, Xu J, Jia C, Tao G, Yu B. Clinical efficacy of xenon versus propofol: A systematic review and meta-analysis. Medicine (Baltimore). 2018 May;97(20):e10758. doi: 10.1097/MD.0000000000010758.

    PubMed 29768360

Questions about this trial

What is this clinical trial studying?

A Early Phase 1 study testing Xenon and premedication hydroxyzine 25 mg in people with Psychological Stress and Anesthesia, run by The S.N. Fyodorov Eye Microsurgery State Institution at 1 site in Russia.

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 1 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 21 Sep 2026. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Russia. 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.

What does this phase mean?

Early Phase 1 (sometimes called Phase 0) studies give a very small amount of a treatment to a few people, mainly to see how the body handles it.

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

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?

the concentration of cortisol in the blood (time frame: 30 minutes before surgery and 30 minutes after surgery). The study lists 4 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 NCT06080100, which also lists 8 linked publications.

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 21 Sep 2026.

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