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| ID | Type | Description | Link |
|---|---|---|---|
| IRB00205311 | Other Identifier | JHM IRB |
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| Name | Class |
|---|---|
| Children's Hospital of Philadelphia | OTHER |
| University of Pennsylvania | OTHER |
| Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) | NIH |
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Hospital-based Animal-Assisted visitation programs are important complementary therapies, but concerns with infection control may challenge the sustainability of these programs. Pilot data suggest that a low-cost chlorhexidine-based intervention targeted to the dogs involved in the visitation programs holds high potential to prevent pathogen transmission during sessions. In this study, the following aims will be tested: 1) To identify program-related risk factors for acquisition of hospital-associated pathogens by pediatric patients during animal-assisted intervention (AAI) sessions during an initial run-in phase of no intervention; 2) To determine the effect of chlorhexidine (CHX)-based interventions on acquisition of hospital-associated pathogens and microbial communities by patients during AAI sessions via a multicenter randomized controlled trial; and 3) To determine whether the specific benefits achieved by the visitation program, i.e. reduction in blood pressure, heart rate and self-reported pain and anxiety, are impacted by the interventions.
Hospital-based Animal-Assisted visitation programs provide an important complementary treatment in holistic patient care and reduce patient stress, pain and anxiety. However, the risk of transmission of pathogens, such as methicillin-resistant Staphylococcus aureus, is a challenge to the sustainability of hospital-based Animal-Assisted visitation programs. Pilot data suggest that a low-cost chlorhexidine-based intervention targeted to the dogs involved in the visitation programs holds high potential to prevent pathogen transmission during sessions. Therefore, child participants will be enrolled who interact with 40 dogs over twelve sessions (four observational, eight where the dog is randomized to intervention or control) at two enrollment centers. The following aims will be tested: 1) To identify program-related risk factors for acquisition of hospital-associated pathogens by pediatric patients during animal-assisted intervention (AAI) sessions during an initial run-in phase of no intervention; 2) To determine the effect of chlorhexidine (CHX)-based interventions on acquisition of hospital-associated pathogens and microbial communities by patients during AAI sessions via a multicenter randomized controlled trial; and 3) To determine whether the specific benefits achieved by the visitation program, i.e. reduction in blood pressure, heart rate and self-reported pain and anxiety, are impacted by the interventions. If findings support the hypothesis that chlorhexidine interventions are effective to prevent pathogen transmission through a multicenter, parallel-arm randomized controlled trial and does not reduce Animal-Assisted visitation program benefits to the children or impact the welfare of the therapy dogs, then this will provide strong evidence on which to base recommendations for infection control guidelines for programs nationally.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Control | No Intervention | Dog-handler teams will follow established hospital and therapy dog program guidelines for infection control with no changes for eight sessions. Participants enrolled in the session will derive their Arm assignment from the dog-handler team with which they interact. | |
| CHX Intervention A | Experimental | Dog-handler teams will follow a modified protocol for infection control, with Treatment A first for four sessions, and cross-over to Treatment B for four sessions. Participants enrolled in the session will derive their Arm assignment from the dog-handler team with which they interact. Treatment A consists of a pre-session shampoo with a commercial veterinary chlorhexidine-based product (2-4% chlorhexidine) within 24 hours prior to the session, and wiping with a chlorhexidine-impregnated cloth (2-4% chlorhexidine) at arrival at the session and every 20 minutes during the session, or between participants if the flow of participants is structured in a way that allows this (such as visits from one room to the next to visit individual patients). |
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| CHX Intervention B | Experimental | Dog-handler teams will follow a modified protocol for infection control, with Treatment B first for four sessions, and cross-over to Treatment A for four sessions. Participants enrolled in the session will derive their Arm assignment from the dog-handler team with which they interact. Treatment B will consist of the same pre-session shampoo with a commercial veterinary chlorhexidine-based product (2-4% chlorhexidine), with a single wipe with a chlorhexidine-impregnated cloth (2-4% chlorhexidine) at arrival. This treatment will depend on the residual activity of chlorhexidine throughout the visit. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Chlorhexidine | Drug | The goal of this work is to assess the effect of chlorhexidine (CHX)-based interventions--specifically use of pre-session chlorhexidine shampoo for the dog and use of chlorhexidine wipes on the dog's fur--on patient exposure to hospital-associated pathogens during the sessions with the dogs |
| Measure | Description | Time Frame |
|---|---|---|
| Child MRSA exposure | MRSA exposure is defined as children who do not have detectable methicillin-resistant Staphylococcus aureus (MRSA) nasal carriage before the dog session who then have MRSA detection (MRSA nasal carriage) after the dog session. | Baseline through intervention completion, an average of 60 minutes |
| Measure | Description | Time Frame |
|---|---|---|
| Child Pseudomonas aeruginosa exposure | Pseudomonas aeruginosa exposure is defined as children who do not have detectable P. aeruginosa nasal carriage before the dog session who then have P. aeruginosa detection after the dog session. | Baseline through intervention completion, an average of 60 minutes |
| Child and Dog Clostridium difficile prevalence |
| Measure | Description | Time Frame |
|---|---|---|
| Dog MRSA fur contamination difference | Measure of dog dorsal fur ("petting zone") contamination with methicillin-resistant Staphylococcus aureus post session compared to pre session, reported as colony-forming units per dog per visit | Baseline through intervention completion, an average of 60 minutes |
Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Meghan F Davis, DVM, PhD | Johns Hopkins Bloomberg School of Public Health | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Johns Hopkins | Baltimore | Maryland | 21205 | United States | ||
| Washington University in St. Louis |
De-identified individual participant meta-data will be linked to microbiome sequencing results and deposited to National Center for Biotechnology Information (NCBI).
Data will become available at the time of first publication of the sequencing results.
There are no specific access criteria instituted by the study. Access will be controlled by NCBI.
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| ID | Term |
|---|---|
| D011552 | Pseudomonas Infections |
| ID | Term |
|---|---|
| D016905 | Gram-Negative Bacterial Infections |
| D001424 | Bacterial Infections |
| D001423 | Bacterial Infections and Mycoses |
| D007239 | Infections |
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| ID | Term |
|---|---|
| D002710 | Chlorhexidine |
| ID | Term |
|---|---|
| D001645 | Biguanides |
| D006146 | Guanidines |
| D000578 | Amidines |
| D009930 | Organic Chemicals |
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This is a multicenter, parallel-arm randomized controlled trial, with 1:1 allocation for intervention versus control. Among those randomized to intervention, dog-handler teams will be additionally randomized to Intervention A first, with crossover to Intervention B, or to Intervention B first, with crossover to Intervention A.
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Positivity of child and dog for C. difficile at a session |
| Baseline to intervention completion, an average of 60 minutes |
| St Louis |
| Missouri |
| 63110 |
| United States |
| Children's Hospital of Philadelphia | Philadelphia | Pennsylvania | 19104 | United States |