AzTrials
AzTrials

PhotochemotherapyNCT04047914

Antimicrobial Photodynamic Therapy in the Nasal Decolonization of Maintenance Hemodialysis Patients

A study testing Antimicrobial Photodynamic therapy and Mupirocin ointment in people with Photochemotherapy and Renal Insufficiency, Chronic, run by University of Nove de Julho at 1 site in Brazil.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
Search all trials

Trial summary

The objective of this study will be to evaluate the effect of Antimicrobial Photodynamic Therapy (aPDT) in the Nasal Decolonization of Dialytic Chronic Renal Patients, Staphylococcus Aureus (S.aureus) Carriers This is a 3-months follow-up, randomized, single-blind, prospective controlled trial, single-center and will… Read more about this study

Who is it for?
Ages 18 years and olderHealthy volunteers can take part
What is being tested?
Antimicrobial Photodynamic therapy and Mupirocin ointment
Type of treatment
Medical device
Could I receive a placebo?
No, everyone receives an active treatment
How many people
34 participants
Where
1 siteBrazil
Study dates
1 Nov 2019to 12 Jul 2021
Phase
Interventional
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 years and older
  • All sexes
  • Healthy volunteers accepted
  • Adult, Older adult

Who may be able to join

  • nasal carriers of S.aureus
  • chronic kidney patient undergoing hemodialysis treatment;
  • aged over 18 years;
  • both genders;

Who cannot join

  • pregnancy or breastfeeding;
  • presence of nasal foreign body;
  • history of nasal surgery in the last 3 months;
  • active infection by S. aureus;
  • use of topical nasal or systemic antibiotic in the last three months;
  • history of severe allergy to mupirocin or methylene blue (MB);

Trial locations and contacts

1 site in 1 country.

Brazil1 site
  • University of Nove de Julho (UNINOVE)

    São Paulo, 01504-001

Other trials in Brazil

About this study

Official title: Antimicrobial Photodynamic Therapy in the Nasal Decolonization of Maintenance Hemodialysis Patients: A Pilot Randomized Trial

The objective of this study will be to evaluate the effect of Antimicrobial Photodynamic Therapy (aPDT) in the Nasal Decolonization of Dialytic Chronic Renal Patients, Staphylococcus Aureus (S.aureus) Carriers This is a 3-months follow-up, randomized, single-blind, prospective controlled trial, single-center and will happen in 02 phases: Phase 1 - Epidemiological Evaluation - A researcher will invite the research participants who are undergoing treatment at the Hemodialysis Service of Clinical Hospital and explain its contents. After reading and signing the informed consent, this same researcher (calibrated for the experiment) will perform nasal secretion microbiological collections to identify patients colonized by S.aureus in the anterior nostril (nasal carrier) - baseline T0 and the application of the questionnaire that identifies possible factors that may be considered as risk for colonization and possible development of diseases related to S. aureus. In the laboratory of Microbiology, the strains will be identified and the colonized patients will be invited to continue the study (Phase 2). Non-carrier patients will only be counseled with infection prevention care. Phase 2 - Parallel clinical trial with two intervention groups (aPDT or Mupirocin) - Patients with nasal aureus (thirty-four colonized patients aged over 18 years) will be treated with aPDT (experimental group) or mupirocin (control group). A trained researcher will collect new aliquots of nasal discharge after completion of nostril treatment (T1) to check for decolonization by culture. A new collection will be performed at 1 (T2) and 3 (T3) months after treatment to assess recolonization. It was evaluated intervention safety (photodynamic therapy) through a directed and open questionnaire about adverse effects.

Read the detailed description

Infections are the leading cause of morbidity and the second leading cause of mortality among patients with chronic kidney disease (CKD) on renal replacement therapy. Staphylococcus aureus (S. aureus) is a major agent and previous nasal colonization represents an independent risk factor for infection. Up to 50% of these patients can be known to be colonized. With the global increase in bacterial resistance by S.aureus strategies for infection prevention and transmission by this agent are needed. The strategy of decolonization and elimination of nasal carrier status by S.aureus in dialytic chronic renal patients reduces infection rates, especially bacteremia. The gold standard for nasal decolonization is topical mupirocin treatment, but there are reports of increasing resistance especially after prolonged use, which limits the establishment of clinical protocols for the prevention of infection in the dialysis population. Antimicrobial Photodynamic Therapy (aPDT) proves to be a promising approach for its potential bactericidal effect, including multidrug-resistant bacteria and its low tendency to induce drug resistance.

This is a 3-months follow-up, randomized, single-blind, prospective controlled trial, single-center and will happen in 02 phases: Phase 1 - Epidemiological Evaluation - A researcher will invite the research participants who are undergoing treatment at the Hemodialysis Service of Clinical Hospital and explain its contents. After reading and signing the informed consent, this same researcher (calibrated for the experiment) will perform nasal secretion microbiological collections to identify patients colonized by S.aureus in the anterior nostril (nasal carrier) - baseline T0 and the application of the questionnaire that identifies possible factors that may be considered as risk for colonization and possible development of diseases related to S. aureus. In the laboratory of Microbiology, the strains will be identified and the colonized patients will be invited to continue the study (Phase 2). Non-carrier patients will only be counseled with infection prevention care. Phase 2 - Parallel clinical trial with two intervention groups (aPDT or Mupirocin) - Patients with nasal aureus (thirty-four colonized patients aged over 18 years) will be treated with aPDT (experimental group) or mupirocin (control group). Two other trained researchers will collect new aliquots of nasal discharge after completion of nostril treatment (T1) to check for decolonization by culture. A new collection will be performed at 1 (T2) and 3 (T3) months after treatment to assess recolonization.It was evaluated intervention safety (photodynamic therapy) through a directed and open questionnaire about adverse effects,immediately after treatments, with a 3-month follow-up.

Being tested
Antimicrobial Photodynamic therapy, Mupirocin ointment
Keywords
antimicrobial photodynamic therapy, Staphylococcus aureus, nasal decolonization, hemodialysis, chronic kidney disease, mupirocin
Medical subject headings
Renal Insufficiency, Chronic, Staphylococcal Infections

What participants receive

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

  • Antimicrobial Photodynamic therapyDevice

    Also called Photochemotherapy

    Application 0.01% methylene blue with sterile swabs in each nostril with a 10-minute pre-irradiation

    • Light-emitting diode (λ = 660 nm), for 300 seconds, with an irradiance of 400 mW / cm2
  • Mupirocin ointmentDrug

    Also called Mupirocin Nasal Product

    Performed with 2% Mupirocin Ointment, to be applied to the anterior nostrils twice a day for 5 days.

Study groups in NCT04047914
Study groupRoleWhat they receive
experimental aPDT groupExperimentalApplication of 0.01% methylene blue with enough sterile swab to cover the inner nostril extension with a 10 minute pre-irradiation time. The irradiations were carried out with a red light-emitting diode (LED) (λ = 660 nm), for 300 seconds, irradiance of 400 mW / cm2, radiant exposure 124 J / cm2, with uniform application in each anterior nostril.
Receives: Device: Antimicrobial Photodynamic therapy
control mupirocin groupActive comparatorA standard treatment will be performed conventionally with topical mupirocin. Will be performed with 2% Mupirocin Ointment, to be applied to the anterior nostrils twice a day for 5 days.
Receives: Drug: Mupirocin ointment

What is being measured

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

  1. Qualitative culture (presence or absence bacterial colonies) after aPDT (antimicrobial photodynamic therapy) decolonization or mupirocin

    The microbiological analysis was done by MALDI-TOF (Biomérieux) - Matrix Associated Laser Desorption-Ionization - Time of Fligh

    Measured: Before the intervention (T0)

  2. Qualitative culture (presence or absence bacterial colonies) after aPDT (antimicrobial photodynamic therapy) decolonization or mupirocin

    The microbiological analysis was done by MALDI-TOF (Biomérieux) - Matrix Associated Laser Desorption-Ionization - Time of Fligh

    Measured: Immediately after the completion of treatments (T1)

Secondary outcomes (4)
  1. Prevalence of S.aureus

    To evaluate the prevalence of both sensitive and methicillin-resistant S.aureus patients by bacterial culture and antibiogram in patients with renal chronic disease on dialysis treatment at the Hemodialysis Service of the University of São Paulo Medical School of Sao Paulo.

    Measured: initial screening time to assess nasal staphylococcus aureus carrier before treatments

  2. Prevalence of recolonization

    To evaluate the prevalence of recolonization by Staphylococcus aureus in the anterior nostril in through qualitative microbiological culture (presence or absence). The microbiological analysis was done by MALDI-TOF (Biomérieux) - Matrix Associated Laser Desorption-Ionization - Time of Flight.

    Measured: 01 and 03 months after treatments

  3. Anamnesis and risk factor collection

    Guiding questions were applied to all patients. In addition to questions related to the patient's general health, demographic data (age, gender, marital status, occupation, education, housing), medical history data (etiology of CKD ( renal chronic disease), comorbidities, time of dialysis treatment until protocol initiation, presence smoking rate, type of venous access and time of use, kidney transplantation, systemic antibiotic therapy in the last 12 months, hospitalization or infection (including skin) in the last 12 months).

    Measured: immediately after recruiting and accepting patients who met the inclusion/exclusion criteria

  4. Ontervention safety: photodynamic therapy

    The analysis of adverse effects through a directed and open questionnaire, especially for this study

    Measured: immediately after treatments, with a 3-month follow-up

Timeline

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

  1. First posted7 Aug 2019
  2. Study start1 Nov 2019
  3. Primary completion15 Jan 2021
  4. Study completion12 Jul 2021

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 N/A
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Model description
34 individuals will be randomly divided into 2 groups: G1 - Experimental Group (n = 17) - Treatment will be performed with methylene blue and red light-emitting diode (LED) in the nostrils. G2 - Control group (n = 17) - Standard treatment will be performed conventionally with topical mupirocin.
Masking
Single blind
Who is masked
Outcomes assessor
Enrolment
34 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT04047914
Sponsor's protocol ID
NASAL DECOLONIZATION
Status last verified
Jan 2023
First submitted
2 Aug 2019
Last updated
3 Jul 2023
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Publications

  • Fu XJ, Fang Y, Yao M. Antimicrobial photodynamic therapy for methicillin-resistant Staphylococcus aureus infection. Biomed Res Int. 2013;2013:159157. doi: 10.1155/2013/159157. Epub 2013 Feb 28.

    PubMed 23555074
  • Wertheim HF, Melles DC, Vos MC, van Leeuwen W, van Belkum A, Verbrugh HA, Nouwen JL. The role of nasal carriage in Staphylococcus aureus infections. Lancet Infect Dis. 2005 Dec;5(12):751-62. doi: 10.1016/S1473-3099(05)70295-4.

    PubMed 16310147
  • Tacconelli E, Carmeli Y, Aizer A, Ferreira G, Foreman MG, D'Agata EM. Mupirocin prophylaxis to prevent Staphylococcus aureus infection in patients undergoing dialysis: a meta-analysis. Clin Infect Dis. 2003 Dec 15;37(12):1629-38. doi: 10.1086/379715. Epub 2003 Nov 20.

    PubMed 14689344
  • Bezerra DT, La Selva A, Cecatto RB, Deana AM, Prates RA, Bussadori SK, Mesquita-Ferrari RA, Motta LJ, Fernandes KPS, Martimbianco ALC, Frochot C, Pereira BJ, Rossi F, Mimica MJ, Horliana ACRT. Antimicrobial Photodynamic Therapy in the Nasal Decolonization of Maintenance Hemodialysis Patients: A Pilot Randomized Trial. Am J Kidney Dis. 2023 May;81(5):528-536.e1. doi: 10.1053/j.ajkd.2022.09.013. Epub 2022 Nov 14.

    PubMed 36396084

Questions about this trial

What is this clinical trial studying?

A study testing Antimicrobial Photodynamic therapy and Mupirocin ointment in people with Photochemotherapy and Renal Insufficiency, Chronic, run by University of Nove de Julho at 1 site in Brazil.

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 4 inclusion and 6 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 3 Jul 2023. 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 Brazil. 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.

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?

Qualitative culture (presence or absence bacterial colonies) after aPDT (antimicrobial photodynamic therapy) decolonization or mupirocin (time frame: Before the intervention (T0)). 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 NCT04047914, which also lists 4 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 3 Jul 2023.

Free account

Log in to keep searching

You’ve used your 3 free searches. AzTrials is free: log in or create a free account to keep searching clinical trials and save the ones you want to follow.

Create a free accountLog in