Evaluation of Prophylactic Photobiomodulation Therapy in Patients With Osteosarcoma

NCT ID: NCT06217224

Last Updated: 2024-01-22

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

NA

Total Enrollment

53 participants

Study Classification

INTERVENTIONAL

Study Start Date

2022-10-17

Study Completion Date

2025-07-30

Brief Summary

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This study aims to evaluate the photobiomodulation therapy (PBMT) for the prevention of oral mucositis in osteosarcoma patients submitted to high doses of methotrexate, through two different protocols. As a hypothesis, photobiomodulation for the prevention of oral mucositis after cycles of Cisplatin, Doxorubicin and Methotrexate is more effective than just the application of preventive low-power laser after Methotrexate alone.

Detailed Description

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This is a phase 3, randomized study, with patients diagnosed with osteosarcoma, enrolled at national cancer institute in Brazil (INCA), candidates for the Glato protocol (chemotherapy with doxorubicin, cisplatin, methotrexate and surgery). Patients will be randomly randomized in permuted blocks to groups 1 or 2. After confirming the eligibility criteria, patients will be invited to participate in the research before starting treatment and the TCLE/TALE will be applied in accordance with the Good Clinical Practice Guide and national ethical standards.

After signing the TALE/TCLE, patients will be instructed to perform oral hygiene after all meals, solid or liquid, with fluoridated toothpaste. On the first day of chemotherapy, in addition to the oral hygiene protocol, patients will be instructed to rinse their mouth twice a day with 0.12% chlorhexidine for 7 days. Once hyposalivation is diagnosed, patients will use oral humidifying gel four times a day (brand provided by the institution).

Photobiomodulation therapy

* Preventative photobiomodulation therapy will be performed with the MMO device (São Carlos, São Paulo, Brazil), with an indium gallium aluminum phosphide (InGaAlP) diode with radiation emission in the red region of the electromagnetic spectrum (660 nm) with power of 100mW, with a beam area of 0.03cm². An energy of 1J/point and an energy density of 33.3 J/cm²/point were determined, which will be applied punctually, with a distance between points of 1cm, for 10s per point, totaling 9 points per region .
* The technique will be performed on the first day of methotrexate infusion and until the patient reaches a serum concentration equal to or lower than 0.3 mmol/L; on the days of doxorubicin and cisplatin infusion and the day after; and on the days of infusion of doxorubicin alone in weeks 24 and 28 of the Glato protocol. Photobiomodulation will be performed in all cycles of chemotherapy treatment depending on patient randomization.
* Group 1- Preventive photobiomodulation will be carried out on the day of methotrexate infusion and until the patient reaches a serum concentration equal to or lower than 0.3 mmol/L, from weeks 4, 5, 9, 10, 17, 18, 22, 23 , 26, 27, 30 and 31). On the days of infusion of doxorubicin and cisplatin and doxorubicin isoleted, patients will not receive photobiomodulation therapy.
* Group 2- Preventative photobiomodulation will be carried out on the days of doxorubicin infusion (weeks 1, 6, 14, 19, 24 and 28) and cisplatin (weeks 1, 6, 14 and 19) and on the day after doxorubicin infusion and cisplatin (weeks 1, 6, 14, 19), on the days of infusion of doxorubicin isoleted, weeks 24 and 28, photobiomodulation will be performed only on the first and second day. The technique will also be performed on the day of methotrexate infusion and on subsequent days until the patient reaches a serum concentration equal to or less than 0.3 mmol/L, from weeks 4, 5, 9, 10, 17, 18, 22, 23 , 26, 27, 30 and 31).
* If the patient presents oral mucositis Grade 1, 2, 3 or 4, they will receive treatment with the MMO device (São Carlos, São Paulo, Brazil), with an indium gallium aluminum phosphide diode (InGaAlP) with radiation emission in the red region of the electromagnetic spectrum (660 nm) with a power of 100mW, with a beam area of 0.03cm². An energy of 2J/point and an energy density of 66.6 J/cm²/point were determined, which will be applied punctually, for 20s per point in the area with MO and in healthy areas.
* The regions treated with laser of the oral mucosa will be: right and left buccal mucosa, lower and upper lip, upper and lower labial mucosa, right and left lateral border of the tongue, lingual belly, floor of the mouth and soft palate.
* Assessment of the patient's oral mucosa will be carried out by members of the research project team.

Oral assessment

Patients will be evaluated at the beginning of chemotherapy treatment (D1) and in a second moment between the third and seventh subsequent days (D3 to D7). In weeks 24 and 28, the dental evaluation will be carried out on D1 and between the second and seventh day (D2 to D7). In the weeks when the patient does not attend the hospital, a teleconsultation will be carried out to monitor the symptoms and, if a need for face-to-face evaluation is identified, an appointment will be scheduled.The mucous membranes will be evaluated for color, hydration, integrity, presence of oral mucositis and fungal, bacterial and viral infections.

The assessment of oral mucositis will be established according to the 1979 World Health Organization (WHO) classification and the criteria established by Sonis et al in 1999 (OMAS). The WHO assessment scale is made up of: Grade 0 - no change (Absent); Grade 1 - presence of erythema; Grade 2 - presence of erythema and ulcers, but the patient is able to ingest solids and liquids; Grade 3 - presence of ulcers, but the patient can only ingest a liquid and pasty diet and Grade 4 - presence of ulcers and impossibility of ingesting solids or liquids.

The OMAS scale considers the presence and size of ulcerations/pseudomembranes and erythema. Ulcerations/pseudomembranes will be evaluated according to the following scores: 0 - in the absence of lesions, 1 - in lesions smaller than 1 cm3, 2 - in lesions measuring between 1 and 3 cm3 and 3 - in lesions larger than 3cm3. Erythema will be evaluated according to the following scores: 0 - when absent, 1 - when present but not severe and 2 - when present and severe. A daily calculation will be made of the sum of the weighted average of the ulcerated area and intensity of the erythema (MP=2.5 x \[(∑ui : 3 x Nu )+ (∑ei: 2 x Ne) \], where ∑ ui= sum of ulcerated area, Nu= number of ulcerated areas, ∑ei= sum of erythema intensity and Ne= number of areas with erythema A millimeter dental ruler will be used to measure the area.

Patients will be asked about the presence or absence of oral and oropharyngeal pain. Both will be classified according to CTCAE v5.0 into grades 1, 2 and 3, associated with the Visual Analogue Scale, where the value 0 corresponds to no pain and 10, the greatest pain. According to the standards established by the visual analogue scale, values from 0 to 3 correspond to mild pain, from 4 to 6 to moderate pain and from 7 to 10 to severe pain.

The collection of adverse events will only be directed to events of interest to the study, related to toxicities in the oral cavity. It is not expected that there will be collection and analysis of serious adverse events in this study.

Xerostomia will be assessed according to the presence or absence of complaints about this condition on the part of the patient, associated with sialometry according to CTCAE v5.0 in grades 1, 2 and 3, on the first day of each chemotherapy cycle and between the third and seventh day (D3 and D7) of the same week of chemotherapy. In weeks 24 and 28, salivary flow will be assessed on the first day (D1) and between the second and seventh day (D2 to D7).

Unstimulated saliva collection will be performed according to the method described by Davies et al. (2002) The patient will remain seated vertically in a comfortable place. The first saliva sample will be discarded and the rest will be collected in a decontaminated bottle. The collected saliva will be converted into ml/minute and an unstimulated salivary flow of less than 0.1mL/min will be considered hyposalivation. Clinical criteria will also be used to identify xerostomia, such as sublingual salivary lake, salivary thickening and adherence of the wooden spatula to the oral mucosa, associated with the patient's complaint.

Conditions

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Mucositis Oral

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Phase 3, randomized study with patients diagnosed with OS, enrolled at INCA, candidates for the Glato protocol (chemotherapy -doxorubicin, cisplatin, dexamethasone and MTX + surgery). Patients will be randomized through the computerized system to groups 1 or 2.

Randomization will be performed in permuted blocks.
Primary Study Purpose

PREVENTION

Blinding Strategy

NONE

Study Groups

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Preventative photobiomodulation therapy arm only in methotrexate weeks.

The application of preventive photobiomodulation therapy (PBMT) will be carried out on the day of methotrexate infusion (D1) and until the patient reaches a serum concentration equal to or less than 0.3 mmol/L.

Group Type ACTIVE_COMPARATOR

Preventive photobiomodulation Therapy (PBMT)

Intervention Type OTHER

The application of preventive TLBP will be performed with a laser device containing an aluminum phosphide and indium gallium diode (InGaAlP) emitting radiation in the red region of the electromagnetic spectrum (660 nm) with a power of 100mW and a beam area of 0.03 cm2 . An energy of 1J/point and an energy density of 33.3 J/cm2/point were determined, which will be applied punctually, with a distance between the points of 1cm, for 10s per point, totaling 9 points per region.

Preventive photobiomodulation therapy arm in the weeks of methotrexate, cisplatin and doxorubicin.

The application of preventive photobiomodulation therapy will be performed on the days of doxorubicin infusion and cisplatin and on the day after the doxorubicin infusion; on the day of the methotrexate infusion and until the patient reaches a serum concentration equal to or less than 0.3 mmol /L.

Group Type EXPERIMENTAL

Preventive photobiomodulation Therapy (PBMT)

Intervention Type OTHER

The application of preventive TLBP will be performed with a laser device containing an aluminum phosphide and indium gallium diode (InGaAlP) emitting radiation in the red region of the electromagnetic spectrum (660 nm) with a power of 100mW and a beam area of 0.03 cm2 . An energy of 1J/point and an energy density of 33.3 J/cm2/point were determined, which will be applied punctually, with a distance between the points of 1cm, for 10s per point, totaling 9 points per region.

Interventions

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Preventive photobiomodulation Therapy (PBMT)

The application of preventive TLBP will be performed with a laser device containing an aluminum phosphide and indium gallium diode (InGaAlP) emitting radiation in the red region of the electromagnetic spectrum (660 nm) with a power of 100mW and a beam area of 0.03 cm2 . An energy of 1J/point and an energy density of 33.3 J/cm2/point were determined, which will be applied punctually, with a distance between the points of 1cm, for 10s per point, totaling 9 points per region.

Intervention Type OTHER

Other Intervention Names

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Preventive Low Power Laser Therapy (TLBP )

Eligibility Criteria

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Inclusion Criteria

* Patients enrolled at INCA diagnosed with OS (ICD10-C41), aged 0 to 19 years;
* Patients with indication for Glato chemotherapy protocol, which will use high doses of MTX (HD-MTX (\>1 g/m2).
* Patients who, after receiving information and instructions, signed the patient's informed consent/assent form, in accordance with Resolution 466/12 of the National Health Council.

Exclusion Criteria

\- Patients who do not agree with the proposed treatment.
Maximum Eligible Age

19 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Instituto Nacional de Cancer, Brazil

OTHER_GOV

Sponsor Role lead

Responsible Party

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Heliton Spindola Antunes

Doctor of oncology

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Heliton S Antunes, Dr.

Role: STUDY_DIRECTOR

National Cancer Institute (NCI)

Locations

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National Cancer Institute

Rio de Janeiro, , Brazil

Site Status RECRUITING

Countries

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Brazil

Central Contacts

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Ana Maria D da Costa

Role: CONTACT

+55 21 3207 - 1859

Heliton S Antunes, Dr.

Role: CONTACT

+55 21 3207 - 1859

Facility Contacts

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Ana Maria D da Costa

Role: primary

+55 21 3207-1859

Heliton S Antunes, Dr.

Role: backup

+55 21 3207-1859

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Other Identifiers

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54417221.3.0000.5274

Identifier Type: -

Identifier Source: org_study_id

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