Actively Recruiting

Phase 2
Phase 3
Age: 18Years - 100Years
All Genders
NCT04299893

Ozone Therapy in Chemotherapy-induced Peripheral Neuropathy: RCT (O3NPIQ)

Led by Bernardino Clavo, MD, PhD · Updated on 2025-09-02

42

Participants Needed

2

Research Sites

369 weeks

Total Duration

On this page

Sponsors

B

Bernardino Clavo, MD, PhD

Lead Sponsor

S

Servicio Canario de Salud

Collaborating Sponsor

AI-Summary

What this Trial Is About

The main objective of this clinical trial is to evaluate the effectiveness and cost-effectiveness of adding ozone therapy to the clinical management of patients with pain secondary to chemotherapy-induced peripheral neuropathy

CONDITIONS

Official Title

Ozone Therapy in Chemotherapy-induced Peripheral Neuropathy: RCT (O3NPIQ)

Who Can Participate

Age: 18Years - 100Years
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Adults 18 years or older
  • Any type and stage of cancer treated with any chemotherapy
  • Life expectancy of at least 6 months
  • Clinical diagnosis of painful chemotherapy-induced peripheral neuropathy grade 2 or higher lasting 3 months or more
  • Average pain score of 3 or higher on the Brief Pain Inventory-Short Form for at least 3 months after chemotherapy
  • Negative pregnancy test before enrollment for women of childbearing potential
  • Agreement to use effective contraception from 14 days before first ozone therapy to 14 days after last session
  • Signed informed consent form
Not Eligible

You will not qualify if you...

  • Under 18 years old
  • Pregnant at enrollment
  • Women of childbearing potential unwilling to have pregnancy test or use contraception as required
  • Suspected peripheral neuropathy from causes other than chemotherapy
  • Psychiatric or social conditions limiting study compliance
  • Unable to complete quality of life questionnaires
  • Liver enzymes (AST or ALT) over 5 times normal
  • Creatinine over 3 times normal
  • Clinically unstable or uncontrolled severe illness
  • Uncontrolled cancer
  • Leptomeningeal carcinomatosis
  • Life expectancy less than 6 months
  • Contraindications or inability to receive rectal ozone or attend treatments
  • Known allergy to ozone
  • Failure to meet all inclusion criteria

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 2 locations

1

Complejo Hospitalario Materno Insular

Las Palmas de Gran Canaria, Las Palmas, Spain, 35016

Actively Recruiting

2

Hospital Universitario de Gran Canaria Dr. Negrín

Las Palmas de Gran Canaria, Las Palmas, Spain, 35019

Actively Recruiting

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Research Team

B

Bernardino Clavo, MD, PhD

CONTACT

D

Delvys Rodríguez-Abreu, MD

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

QUADRUPLE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

TREATMENT

Number of Arms

2

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