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Ozone Therapy for Cancer Therapy-Related Oral Mucositis (OMUC-O3)

2026년 6월 4일 업데이트: Andrea Scribante, University of Pavia

Retrospective Evaluation of Combined Chairside and Domiciliary Ozone Therapy for the Management of Cancer Therapy-Related Oral Mucositis

This retrospective observational study will evaluate clinical data already available from adult cancer patients who developed cancer therapy-related oral mucositis during radiotherapy and/or chemotherapy and who were managed in routine clinical practice with combined chairside and domiciliary ozone therapy.

The study will not assign participants to any treatment and will not involve any new intervention, visit, examination, or change in patient care. Data will be extracted from existing medical records and clinical documentation.

The main purpose of the study is to describe the clinical course of oral mucositis and to evaluate the time needed to reach oral mucositis grade 1 or lower according to the World Health Organization Oral Toxicity Scale. The study will also assess changes in oral pain intensity, measured using a 0 to 10 Visual Analogue Scale, from baseline to follow-up visits up to 15 days.

Exploratory analyses will compare clinical trends between patients with head and neck cancers and patients with cancers in other anatomical sites. The results will be interpreted as descriptive and exploratory because the study is retrospective, single-arm, and has no control group.

연구 개요

상태

완전한

정황

개입 / 치료

상세 설명

Oral mucositis is a clinically relevant complication of anticancer treatments, especially radiotherapy and chemotherapy. It can cause erythema, ulcerations, oral pain, dysphagia, impaired oral intake, and reduced quality of life. In routine clinical practice, selected patients with cancer therapy-related oral mucositis were managed with a combined ozone-based protocol including professional chairside ozone application and domiciliary ozonized oral care products.

This study is designed as a retrospective observational analysis of data already available from medical records and clinical documentation. No prospective enrollment, treatment allocation, randomization, study-specific intervention, biological sampling, imaging, or additional clinical visit will be performed.

The study will include adult oncological patients with documented cancer therapy-related oral mucositis grade 1 or higher according to the World Health Organization Oral Toxicity Scale. Available data will include demographic and clinical information, oncological disease site, oral mucositis severity, and oral pain intensity measured using a 0 to 10 Visual Analogue Scale.

The retrospective observation period includes clinical data collected during routine care between November 2023 and September 2025. Outcome data will be analyzed from baseline to available follow-up visits up to 15 days. Additional exploratory analyses will describe clinical trends according to cancer site, comparing patients with head and neck cancers with patients with malignancies in other anatomical sites.

The findings will be interpreted as descriptive and exploratory, because the study is retrospective, single-arm, and does not include a control group.

연구 유형

관찰

등록 (실제)

58

연락처 및 위치

이 섹션에서는 연구를 수행하는 사람들의 연락처 정보와 이 연구가 수행되는 장소에 대한 정보를 제공합니다.

연구 장소

  • 이탈리아
    • Lombardy
      • Pavia, Lombardy, 이탈리아, 27100
        • Section of Dentistry - Department of Clinical, Surgical, Diagnostic and Paediatrics - University of Pavia

참여기준

연구원은 적격성 기준이라는 특정 설명에 맞는 사람을 찾습니다. 이러한 기준의 몇 가지 예는 개인의 일반적인 건강 상태 또는 이전 치료입니다.

자격 기준

공부할 수 있는 나이

  • 성인
  • 고령자

건강한 자원 봉사자를 받아들입니다

아니

샘플링 방법

비확률 샘플

연구 인구

Adult oncological patients with cancer therapy-related oral mucositis whose clinical data are already available in medical records and/or clinical documentation. Patients were previously managed in routine clinical practice for oral mucositis occurring during radiotherapy and/or chemotherapy. The study population includes patients with documented oral mucositis grade 1 or higher according to the World Health Organization Oral Toxicity Scale and available baseline and follow-up assessments of oral mucositis severity and oral pain intensity. No prospective enrollment, treatment assignment, or study-specific intervention will be performed.

설명

Inclusion Criteria:

  • Age 18 years or older
  • Oncological patients undergoing radiotherapy and/or chemotherapy
  • Clinical diagnosis of cancer therapy-related oral mucositis grade 1 or higher according to the World Health Organization Oral Toxicity Scale
  • Availability of clinical documentation including World Health Organization Oral Toxicity Scale assessments and Visual Analogue Scale pain scores at baseline and at one or more follow-up timepoints
  • Availability of relevant demographic and clinical information required for the retrospective analysis

Exclusion Criteria:

  • Age younger than 18 years
  • Absence of a documented diagnosis of cancer therapy-related oral mucositis
  • Incomplete or unavailable clinical documentation for the primary and/or main secondary outcome
  • Missing baseline World Health Organization Oral Toxicity Scale assessment
  • Missing baseline Visual Analogue Scale pain assessment
  • Any condition making the available data unsuitable for retrospective analysis

공부 계획

이 섹션에서는 연구 설계 방법과 연구가 측정하는 내용을 포함하여 연구 계획에 대한 세부 정보를 제공합니다.

연구는 어떻게 설계됩니까?

디자인 세부사항

코호트 및 개입

그룹/코호트
개입 / 치료
Cancer Therapy-Related Oral Mucositis Cohort
Adult oncological patients with documented cancer therapy-related oral mucositis grade 1 or higher according to the World Health Organization Oral Toxicity Scale. Patients were previously managed in routine clinical practice with a combined ozone-based protocol including professional chairside ozone application and domiciliary ozonized oral care products. This is a retrospective observational cohort; no treatment assignment, randomization, or study-specific intervention will be performed.
다른: Combined Ozone-Based Oral Care Protocol
Adult oncological patients with cancer therapy-related oral mucositis were previously managed in routine clinical practice with a combined ozone-based oral care protocol. The protocol included professional chairside ozone application to oral mucosal lesions using an ozone device with a mucosa-specific probe, followed by domiciliary use of ozonized oral care products, including ozonized hydrogel, toothpaste, and mouthwash, according to routine clinical instructions. In this retrospective observational study, no intervention will be assigned or performed for research purposes, and no change to patient management is planned.
다른 이름들:
  • Chairside and Domiciliary Ozone Therapy

연구는 무엇을 측정합니까?

주요 결과 측정

결과 측정
측정값 설명
기간
Time to Achieve Oral Mucositis Grade 1 or Lower
기간: At baseline before ozone therapy (T0), immediately after the first professional ozone application (T1), 48 hours after T1 (T2), 5 days after T1 (T3), 8 days after T1 (T4), 12 days after T1 (T5), and 15 days after T1 (T6)
Time, expressed in days, required to achieve oral mucositis grade 1 or lower according to the World Health Organization Oral Toxicity Scale. The outcome will be assessed retrospectively using clinical data already available from medical records and clinical documentation. Patients who did not reach WHO grade 1 or lower by the last available follow-up will be censored at their last valid assessment.
At baseline before ozone therapy (T0), immediately after the first professional ozone application (T1), 48 hours after T1 (T2), 5 days after T1 (T3), 8 days after T1 (T4), 12 days after T1 (T5), and 15 days after T1 (T6)

2차 결과 측정

결과 측정
측정값 설명
기간
Change in Oral Pain Intensity
기간: At baseline before ozone therapy (T0), immediately after the first professional ozone application (T1), 48 hours after T1 (T2), 5 days after T1 (T3), 8 days after T1 (T4), 12 days after T1 (T5), and 15 days after T1 (T6)
Absolute change in oral pain intensity from baseline to the end of follow-up, assessed using a Visual Analogue Scale from 0 to 10, where higher scores indicate greater pain intensity. The outcome will be assessed retrospectively using clinical data already available from medical records and clinical documentation.
At baseline before ozone therapy (T0), immediately after the first professional ozone application (T1), 48 hours after T1 (T2), 5 days after T1 (T3), 8 days after T1 (T4), 12 days after T1 (T5), and 15 days after T1 (T6)
Change in Oral Mucositis Severity Over Time
기간: At baseline before ozone therapy (T0), immediately after the first professional ozone application (T1), 48 hours after T1 (T2), 5 days after T1 (T3), 8 days after T1 (T4), 12 days after T1 (T5), and 15 days after T1 (T6)
Change in oral mucositis severity across the available follow-up timepoints, assessed using the World Health Organization Oral Toxicity Scale. Scores will be extracted retrospectively from existing clinical documentation at baseline and follow-up visits. Lower scores indicate lower oral mucositis severity.
At baseline before ozone therapy (T0), immediately after the first professional ozone application (T1), 48 hours after T1 (T2), 5 days after T1 (T3), 8 days after T1 (T4), 12 days after T1 (T5), and 15 days after T1 (T6)
Change in Oral Pain Intensity Over Time
기간: At baseline before ozone therapy (T0), immediately after the first professional ozone application (T1), 48 hours after T1 (T2), 5 days after T1 (T3), 8 days after T1 (T4), 12 days after T1 (T5), and 15 days after T1 (T6)
Change in oral pain intensity across the available follow-up timepoints, assessed using a Visual Analogue Scale from 0 to 10. Scores will be extracted retrospectively from existing clinical documentation at baseline and follow-up visits. Higher scores indicate greater pain intensity.
At baseline before ozone therapy (T0), immediately after the first professional ozone application (T1), 48 hours after T1 (T2), 5 days after T1 (T3), 8 days after T1 (T4), 12 days after T1 (T5), and 15 days after T1 (T6)
Oral Mucositis Severity Trends by Cancer Site
기간: At baseline before ozone therapy (T0), immediately after the first professional ozone application (T1), 48 hours after T1 (T2), 5 days after T1 (T3), 8 days after T1 (T4), 12 days after T1 (T5), and 15 days after T1 (T6)
Exploratory comparison of oral mucositis severity trends between patients with head and neck cancers and patients with malignancies in other anatomical sites, assessed using the World Health Organization Oral Toxicity Scale across the available retrospective follow-up timepoints.
At baseline before ozone therapy (T0), immediately after the first professional ozone application (T1), 48 hours after T1 (T2), 5 days after T1 (T3), 8 days after T1 (T4), 12 days after T1 (T5), and 15 days after T1 (T6)
Oral Pain Intensity Trends by Cancer Site
기간: At baseline before ozone therapy (T0), immediately after the first professional ozone application (T1), 48 hours after T1 (T2), 5 days after T1 (T3), 8 days after T1 (T4), 12 days after T1 (T5), and 15 days after T1 (T6)
Exploratory comparison of oral pain intensity trends between patients with head and neck cancers and patients with malignancies in other anatomical sites, assessed using a Visual Analogue Scale from 0 to 10 across the available retrospective follow-up timepoints. Higher scores indicate greater pain intensity.
At baseline before ozone therapy (T0), immediately after the first professional ozone application (T1), 48 hours after T1 (T2), 5 days after T1 (T3), 8 days after T1 (T4), 12 days after T1 (T5), and 15 days after T1 (T6)

공동 작업자 및 조사자

여기에서 이 연구와 관련된 사람과 조직을 찾을 수 있습니다.

스폰서

University of Pavia

연구 기록 날짜

이 날짜는 ClinicalTrials.gov에 대한 연구 기록 및 요약 결과 제출의 진행 상황을 추적합니다. 연구 기록 및 보고된 결과는 공개 웹사이트에 게시되기 전에 특정 품질 관리 기준을 충족하는지 확인하기 위해 국립 의학 도서관(NLM)에서 검토합니다.

연구 주요 날짜

연구 시작 (실제)

2023년 11월 1일

기본 완료 (실제)

2025년 9월 30일

연구 완료 (실제)

2025년 10월 31일

연구 등록 날짜

최초 제출

2026년 6월 4일

QC 기준을 충족하는 최초 제출

2026년 6월 4일

처음 게시됨 (실제)

2026년 6월 10일

연구 기록 업데이트

마지막 업데이트 게시됨 (실제)

2026년 6월 10일

QC 기준을 충족하는 마지막 업데이트 제출

2026년 6월 4일

마지막으로 확인됨

2026년 6월 1일

추가 정보

이 연구와 관련된 용어

키워드

추가 관련 MeSH 약관

기타 연구 ID 번호

  • 2026-OMUC-O3

개별 참가자 데이터(IPD) 계획

개별 참가자 데이터(IPD)를 공유할 계획입니까?

아니요

IPD 계획 설명

Data will be available upon motivated request to the corresponding authors.

약물 및 장치 정보, 연구 문서

미국 FDA 규제 의약품 연구

아니

미국 FDA 규제 기기 제품 연구

아니

이 정보는 변경 없이 clinicaltrials.gov 웹사이트에서 직접 가져온 것입니다. 귀하의 연구 세부 정보를 변경, 제거 또는 업데이트하도록 요청하는 경우 register@clinicaltrials.gov. 문의하십시오. 변경 사항이 clinicaltrials.gov에 구현되는 즉시 저희 웹사이트에도 자동으로 업데이트됩니다. .

구독하다