ClinicalTrials.gg
Status unknownNCT05081323Updated Nov 15, 2022

Online Psychological Treatment for Rat Phobia Guided by a Virtual Assistant

An interventional study of Self-applied treatment for phobias in Specific Phobia and Anxiety Disorder, sponsored by Universidad Autonoma de Baja California. Status unknown. Open to participants aged 18 Years to 60 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2022-11-15.

Sponsored by Universidad Autonoma de Baja California · Not applicable, Interventional, and Treatment

The sponsor has not verified this record recently (last verified Nov 2022), so the status shown — last known as Not yet recruiting — may be out of date.
Phase
Not applicable
Study type
Interventional
Enrollment
30
Allocation
Randomized
Ages
18 Years to 60 Years
Sex
All
01

Study summary

The research work proposes an exposure treatment through a virtual therapeutic assistant called Thera, that interacts verbally with the patient, to guide and control exposure therapies for phobias to small animals delivered through several channels at the same time that it analyzes the Physiological records of the patient in real-time to determine their emotional state during the intervention.

In this study it is proposed to evaluate the efficacy of a self-applied treatment where the virtual assistant allows to gradually guide an exposure treatment for rat phobias, taking advantage of intelligent devices for patient monitoring and being considered to determine the progress of the treatment.

Read the detailed description

Specific phobias are a common disorder that deteriorates the lives of people who suffer from them. Exposure therapies have been shown to reduce the symptoms produced. However, low- and middle-income countries have the lowest rate of treatment for specific phobia due to multiple barriers that prevent approaching mental health problems, such as the disparity between the number of people who need care and the availability of professionals who can provide psychological services. To reduce the gap in the treatment of mental health problems in low and middle-income countries, the use of internet-based interventions has been proposed since they reduce the cost, the availability of the service, the waiting time, and they can be guided by a minimum amount of therapeutic care, which allows a greater number of people to receive treatment. Among the most effective proposals that have emerged to carry out psychological interventions for Specific Phobia are self-applied treatments. However, one of the main challenges posed by self-administered interventions in reducing the dropout rate of participants, since it is difficult to engage participants, which leads to attrition and non-completion of treatment. Therefore, it is necessary to consider elements that are attractive and motivate the participants to engage with the treatment. One option to increase patient's adherence could be a virtual therapist assistant that is an application focused on the area of health therapies that uses interaction with the user based on voice commands, it requires a reduced cognitive learning load and are accessible to most of the people. The content of the intervention will be self-applied through a web application including the guidance of a virtual therapist assistant. In order to integrate the benefits that Internet-based interventions provides and the assistance of a virtual therapist to guide and personalize the progress of the treatment according to the user.

The study will have two groups : 1) experimental, where the participants carry out the self-applied treatment for rat phobia supported by the virtual therapist assistant; and 2) control, where participants are on a waiting list and afterwards receive the treatment.

The group assignment of participants will be randomized.

Participants in both groups will be measured pre and post the intervention. The measurements to be obtained are the following:

Fear scale. Anxiety scale. Sense of presence and judgment of reality. User's satisfaction. Perception of utility and ease of use. Patient improvement scale.

02

Conditions studied

  • Specific Phobia
  • Anxiety Disorder

Keywords

  • Virtual therapeutic assistant
  • Small animal phobia
  • Exposure therapy
  • Self-applied treatment
  • Serious games
  • 360º videos
03

In context

Phobia, Specific

85 studies on the registry are indexed under Phobia, Specific; 13 are open to participants now.

This study's planned enrollment of 30 is below the median of 74 across 81 interventional studies indexed under Phobia, Specific.

Browse Phobia, Specific studies →

Lead sponsor

Universidad Autonoma de Baja California is the lead sponsor of 33 studies on the registry; 12 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years to 60 Years
Sexes eligible
All
Accepts healthy volunteers
Yes

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  1. Meet the diagnostic criteria for specific phobia towards rats (with a mild to moderate symptomatology).
  2. Have basic digital knowledge and skills (computer and internet use).
  3. Have the necessary technological devices: email, computer / laptop, Smartphone, microphone, internet connection, and Bluetooth.
  4. Sign the .

Exclusion criteria

Exclusion Criteria:

  1. Receiving another type of psychological or psychopharmacological treatment.
  2. Being diagnosed with another type of anxiety disorder or some psychopathology.
  3. Present any medical condition that puts the life of the person at risk (eg. heart disease, respiratory disease, pregnancy, among others).
Terms in these criteria, in plain language(1)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

Informed consent

Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.

You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.

05

Study design

Phase
Not applicable
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Single (Participant)
Enrollment
30 participants (estimated)

Study arms

  • Experimental
    Self-applied treatment with THERA

    Participants in this group will use the Self-applied treatment with THERA for a maximum period of one month.

    Behavioral: Self-applied treatment for phobias

  • No intervention
    Control without treatment

    Participants in this group keep on a waiting list, after one month, they will receive the self-applied treatment

Interventions

  • BehavioralSelf-applied treatment for phobias

    The proposed treatment consists of four stages that use different visual elements to represent and replace a real rat in a gradual exposure treatment for specific phobia for animals. With the order of the stages, the intensity of the phobic stimulus increases. In each stage the participant is gradually exposed to a certain amount of elements that represent a phobic situation or object. Graduality considers an approach with realism, interaction, and intensity. The treatment also includes a virtual therapeutic assistant that guides, provides information, and tries to reduce any alteration captured by the participant's heart rate monitoring through deep breathing exercises.

06

What researchers measure

Primary outcomes

  1. Change in the scores of the fear to the rats

    It is a questionnaire that has been adapted from the Fear of Spider Questionnaire for this, the word spiders have been modified for rats and the questions have been adapted to assess phobia rats. The Fear of Spiders Questionnaire has been adapted into Castilian Spanish, is a self-reported instrument that contains 18 items that assess fear of spiders. The items are answered on a seven-point Likert scale (0 = "it is not characteristic of me" up to 6 = "it is very characteristic of me"), the minimum score is 0 and the maximum score is 108. It is expected a statistically significant change (P \< 0.05) for the fear of the rat.

    Time frame: From 2 to 4 weeks, depending on the development of the patient and the completion of the 4 sessions

  2. Change on the avoidance of the presence of the rat.

    The Fear Questionnaire contains 23 items that evaluate a total of 5 subscales: agoraphobia, phobia of blood and wounds, social phobia, concern about feeling anxious and depressed as well as the assessment of the global present state of phobic symptoms. The first part contains 16 items that assess the frequency with which a person avoids phobic situations on a scale of 0 to 8 (0 = I do not avoid it and 8 = I always avoid it), the minimum score is 0 and the maximum score is 120 and the second part contains 7 items that evaluate: 1) the degree to which you are worried about feeling anxious and depressed (0 = almost nothing and 8 = very severely worried), the minimum score is 0 and the maximum is 40; 2) the overall severity of the phobic symptoms (0 = there is no phobia and 8 = very severely disturbing /disabling), the minimum score is 0 and the maximum score is 8. It is expected a statistically significant change (P \< 0.05) for the avoidance and fear of the presence of the rat.

    Time frame: From 2 to 4 weeks, depending on the development of the patient and the completion of the 4 sessions

  3. Change in anxiety symptoms

    The State-Trait Anxiety Inventory will be used. It contains 40 statements that are grouped into two self-assessment scales that measure two different dimensions of anxiety, contain four response options with different criteria for each dimension: 1) Anxiety-trait (almost never, some sometimes, frequently and almost always); 2) Anxiety-state (no, little, regular and a lot). Answers are scored 1, 2, 3, and 4 in the positive reagents (the higher the score, the higher anxiety) and 4, 3, 2, and 1 in negative items (the higher the score, the lower the anxiety). The score can range from a minimum score of 20, up to a maximum score of 80. It is expected a statistically significant change (P \< 0.05) for symptoms of anxiety.

    Time frame: From 2 to 4 weeks, depending on the development of the patient and the completion of the 4 sessions

Secondary outcomes

  1. Level of satisfaction with self-administered treatment with a virtual assistant

    The Client Satisfaction Questionnaire contains 8 questions with a total score ranging from 8 to 32 that measures the level of satisfaction of the self-administered treatment with an assistant virtual Thera; and contains a question that explores the degree to which the treatment is perceived as aversive, it is measured on a scale from 0 (not at all) to 10 (very much).

    Time frame: From 2 to 4 weeks, depending on the development of the patient and the completion of the 4 sessions

  2. Perception of the level of effectiveness and ease of use of the self-applied system for fear of rats with a virtual assistant

    The Telehealth Usability Questionnaire will be used, it contains 12 questions with 7 response options (1 = disagree and 7 = agree) that evaluate the participant's perception in relation to the effectiveness and ease of use of the self-administered treatment.

    Time frame: From 2 to 4 weeks, depending on the development of the patient and the completion of the 4 sessions

  3. Degree of presence and degree of Judgment of reality

    Two questions will be used that uses a Likert scale from 0 to 10 (0 = not at all and 10 = too much), the first question assesses the degree to which the patient feels immersed in the virtual environment; the second assesses the degree to which the patient perceives the virtual experience as real (exposure of the rats through 360 ° videos).

    Time frame: From 2 to 4 weeks, depending on the development of the patient and the completion of the 4 sessions

  4. Patient perception in the change of fear of rats.

    An item adapted from the Clinical Global Impression scale will be used, the question assesses the perception that the patient has in relation to the change in fear of rats after treatment. The question contains a 7-point scale (1 = much better and 7 = much worse). The minimum score is 0 and the maximum score is 7.

    Time frame: From 2 to 4 weeks, depending on the development of the patient and the completion of the 4 sessions

07

Study locations

No study locations are listed for this record.

08

References and documents

Publications

  • Albor YC, Benjet C, Mendez E, Medina-Mora ME. Persistence of Specific Phobia From Adolescence to Early Adulthood: Longitudinal Follow-Up of the Mexican Adolescent Mental Health Survey. J Clin Psychiatry. 2017 Mar;78(3):340-346. doi: 10.4088/JCP.15m10569. PubMed 28394508 ↗
  • Campos D, Breton-Lopez J, Botella C, Mira A, Castilla D, Mor S, Banos R, Quero S. Efficacy of an internet-based exposure treatment for flying phobia (NO-FEAR Airlines) with and without therapist guidance: a randomized controlled trial. BMC Psychiatry. 2019 Mar 6;19(1):86. doi: 10.1186/s12888-019-2060-4. PubMed 30841930 ↗
  • Felix IB, Guerreiro MP, Cavaco A, Claudio AP, Mendes A, Balsa J, Carmo MB, Pimenta N, Henriques A. Development of a Complex Intervention to Improve Adherence to Antidiabetic Medication in Older People Using an Anthropomorphic Virtual Assistant Software. Front Pharmacol. 2019 Jun 21;10:680. doi: 10.3389/fphar.2019.00680. eCollection 2019. PubMed 31281256 ↗
  • Jimenez-Molina A, Franco P, Martinez V, Martinez P, Rojas G, Araya R. Internet-Based Interventions for the Prevention and Treatment of Mental Disorders in Latin America: A Scoping Review. Front Psychiatry. 2019 Sep 13;10:664. doi: 10.3389/fpsyt.2019.00664. eCollection 2019. PubMed 31572242 ↗
  • Wechsler TF, Kumpers F, Muhlberger A. Inferiority or Even Superiority of Virtual Reality Exposure Therapy in Phobias?-A Systematic Review and Quantitative Meta-Analysis on Randomized Controlled Trials Specifically Comparing the Efficacy of Virtual Reality Exposure to Gold Standard in vivo Exposure in Agoraphobia, Specific Phobia, and Social Phobia. Front Psychol. 2019 Sep 10;10:1758. doi: 10.3389/fpsyg.2019.01758. eCollection 2019. PubMed 31551840 ↗
  • Brown TA, Di Nardo PA & Barlow DH. Anxiety Disorders Interview Schedule for DSM-IV (ADIS-IV): Client Interview Schedule. Oxford University Press. 1994.
  • Morán AL, Ramírez-Fernández C & Meza-Kubo V. Design of smart objects of fear with a taxonomy of factors affecting the user experience of exposure therapy systems for small-animal phobias. Journal of Ambient Intelligence and Humanized Computing. 2020
  • Bibiloni N, Torre AC, Angles MV, Terrasa SA, Vazquez Pena FR, Sommer J, Plazzotta F, Luna D, Mazzuoccolo LD. [Validation of a Spanish questionnaire on telemedicine usability]. Medicina (B Aires). 2020;80(6):649-653. Spanish. PubMed 33254109 ↗
  • Hemyari C, Dolatshahi B, Sahraian A, Koohi-Hosseinabadi O, Zomorodian K. Evaluation of the Effectiveness of One- and Multi-Session Exposure-Based Treatments in Reducing Biological and Psychological Responses to Rat Phobia Among Students. Psychol Res Behav Manag. 2020 Aug 12;13:665-679. doi: 10.2147/PRBM.S256781. eCollection 2020. PubMed 32848483 ↗
  • Juan MC, Alcaniz M, Monserrat C, Botella C, Banos RM, Guerrero B. Using augmented reality to treat phobias. IEEE Comput Graph Appl. 2005 Nov-Dec;25(6):31-7. doi: 10.1109/mcg.2005.143. No abstract available. PubMed 16315475 ↗
  • Marks IM, Mathews AM. Brief standard self-rating for phobic patients. Behav Res Ther. 1979;17(3):263-7. doi: 10.1016/0005-7967(79)90041-x. No abstract available. PubMed 526242 ↗
  • Palma-Gomez A, Herrero R, Banos R, Garcia-Palacios A, Castaneiras C, Fernandez GL, Llull DM, Torres LC, Barranco LA, Cardenas-Gomez L, Botella C. Efficacy of a self-applied online program to promote resilience and coping skills in university students in four Spanish-speaking countries: study protocol for a randomized controlled trial. BMC Psychiatry. 2020 Apr 5;20(1):148. doi: 10.1186/s12888-020-02536-w. PubMed 32248795 ↗
  • Ruiz-Garcia A, Valero-Aguayo L. Multimedia intervention for specific phobias: A clinical and experimental study. Psicothema. 2020 Aug;32(3):298-306. doi: 10.7334/psicothema2020.87. PubMed 32711663 ↗
  • Díaz-Guerrero R, & Spielberger CD. IDARE: Inventario de ansiedad: rasgo-estado. El Manual Moderno. 1975.
  • Guy W. ECDEU Assessment Manual for Psychopharmacology. Rockville, MD: US Department of Heath, Education, and Welfare Public Health Service Alcohol, Drug Abuse, and Mental Health Administration. 1976.

Study documents

PDFs hosted by the registry, ClinicalTrials.gov.

Individual participant data

Plan to share: Yes — The information will be available in a private server or in a server of the journal(s) that we will publish the articles that will be the result of this study.

Supporting information: Informed consent form

Time frame: This data will be available approximately in April 2023 and it will be permanently available. It will be shared in the databases of the journal where the article(s) will be published.

Access criteria: Through the servers of the journal(s) where we will publish the articles.

09

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reachedSimilar studies: half by the dot; the band is the middle halfHalf of similar studies reached it by the dot; the band is the middle half, from a quarter to three quarters

Start is estimated for Jan 2023; primary completion for Mar 2023, 2 months later.

Of 48 non-industry interventional studies with no phase under Phobia, Specific, half reached primary completion within 24 months of starting (the median), counting those still running; a quarter within 11 and three quarters within 42. This study's planned 2 months is below that.

Counting every sponsor, half of 49 studies reached it within 28 months; a quarter within 11 and three quarters within 42.

How these figures are worked out, and which studies are left out of them.

Registered
Oct 5, 2021
First posted
Oct 18, 2021
StartEst.
Jan 2023
Primary completionEst.
Mar 2023
CompletionEst.
Jun 2023
Last update
Nov 15, 2022
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on Nov 15, 2022, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT05081323
Lead sponsor
Universidad Autonoma de Baja California
Collaborators
Universidad Internacional de Valencia, Universidad Nacional Autonoma de Mexico, Tecnológico Nacional de México
Responsible party
María Victoria Meza Kubo (Principal Investigator, Universidad Autonoma de Baja California) — Principal investigator
First posted
Oct 18, 2021
Start date
Jan 2023 (estimated)
Primary completion
Mar 2023 (estimated)
Completion
Jun 2023 (estimated)
Last update
Nov 15, 2022

Study contacts

Victoria M Meza-Kubo, PhD
Contact
mmeza@uabc.edu.mx
+52-646 152 8222 ext. 64915
Alejandro Domínguez, PhD
Contact
alejandro.dominguez.r@campusviu.es
+526644713277
Sonia M. González Lozoya, MD
study chair · UNIVERSIDAD AUTONOMA DEL ESTADO DE BAJA CALIFORNIA

Oversight

Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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