# The Drop of Allergen Immunotherapy for Respiratory Allergy in Italy: An Assessment of Sales

## TL;DR

This paper examines the decline in allergen immunotherapy sales in Italy from 2008 to 2023 and suggests possible contributing factors.

## Contribution

The study identifies potential factors behind the decline in allergen immunotherapy sales in Italy.

## Key findings

- Allergen immunotherapy sales in Italy sharply declined between 2008 and 2016.
- The decline continued more gradually until 2023.
- Reimbursement differences and structural, educational, and regulatory factors may have contributed to the decline.

## Abstract

Allergen immunotherapy sales in Italy experienced a sharp decline between 2008 and 2016, followed by a more gradual decrease through 2023.Differences in reimbursement, along with structural, educational, and regulatory factors, likely contributed to the decline, and warrant further research.

Allergen immunotherapy sales in Italy experienced a sharp decline between 2008 and 2016, followed by a more gradual decrease through 2023.

Differences in reimbursement, along with structural, educational, and regulatory factors, likely contributed to the decline, and warrant further research.