Diflunisal (1) – Attrogy®
Hereditary transthyretin amyloidosis with polyneuropathy (stage 1 or 2)
Characteristics
| Start date | 15.11.2025 – Marketing authorisation: 17.07.2025 |
|---|---|
| Resolution | 07.05.2026 |
| INN | Diflunisal |
| Brand name | Attrogy® |
| Pharm. company | Purpose Pharma International AB |
| G-BA Procedure ID | D-1271 |
| ATC code | N02BA11 Salicylic acid and derivatives (N02BA) |
| ICD-10 codes (AIS) | E85.1Amyloid polyneuropathy (Portuguese), E85.2Heredofamilial amyloidosis, unspecified, E85.4Localized amyloidosis, E85.9Amyloidosis, unspecified |
| Alpha-ID codes (AIS) | I129348Hereditary transthyretin amyloidosis, I24316Amyloidosis, I2491Neuropathic heredofamilial amyloidosis, I66392Localized amyloidosis |
| Therapeutic area | Metabolic diseases |
| Reason for procedure | Initial assessment |
| Therapeutic indication of the resolution |
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Attrogy is used in adult patients with stage 1 or 2 polyneuropathy for the treatment of hereditary transthyretin-mediated amyloidosis (hATTR amyloidosis). |
| Subpopulation | Indication | Comparator |
|---|---|---|
| Erwachsene mit hereditärer Transthyretin-Amyloidose (hATTR-Amyloidose) mit Polyneuropathie der Stadien 1 oder 2 |
Studies and Results
- Clinical trials
- Study H-23750 is a randomised, double-blind, placebo-controlled Phase 3 trial.
Adults with hereditary transthyretin amyloidosis (hATTR amyloidosis) with stage 1 or 2 polyneuropathy
- For adults with hereditary transthyretin amyloidosis with stage 1 or 2 polyneuropathy, the additional benefit is not proven.
- Overall, based on the study submitted, additional benefit from diflunisal compared with the appropriate comparator therapy is not proven for adults with hereditary transthyretin amyloidosis with stage 1 or 2 polyneuropathy.
- In its dossier for the assessment of the additional benefit of diflunisal, the pharmaceutical manufacturer does not provide any data directly comparing the drug with the appropriate comparator therapy.
- The administration of placebo in the control arm of study H-23750 does not correspond to the appropriate comparator therapy.
- The study submitted is therefore not suitable for assessing additional benefit due to the lack of comparison with the appropriate comparator therapy.
Courtesy translation only, please refer to the German original.
Associated procedures
| Diflunisal (1) | Attrogy® | Purpose Pharma International AB | Hereditary transthyretin amyloidosis with polyneuropathy (stage 1 or 2) | 360 | 100% additional benefit not proven |
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