HCP Resources
View or download helpful AHP-Related resources
Educational materials and resources have been created to provide you with a greater understanding of acute hepatic porphyria (AHP). These resources will help provide additional education on identification, testing, and management of patients with this debilitating disease.
These resources are not intended to replace the independent medical judgment of any healthcare professional and are for reference purposes only.
AHP CASE STUDY
The AHP INTERACTIVE CASE STUDY includes:
- A hypothetical AHP diagnosis
- AHP signs and symptoms
- Quick tests of your AHP knowledge vs other HCPs

This series of learning modules lays the groundwork for understanding acute hepatic porphyria, recognizing symptoms, and gaining insight into how it may affect your patients. Modules can be viewed online and/or downloaded as PDFs.
Module 01:
Classification of
Porphyria
Module 1 Reviews:
- 2 major categories of the rare genetic diseases classified as porphyria—AHP and photocutaneous porphyria
- The prevalence of the most common types of AHP and precipitating factors of attacks
Module 02:
Pathophysiology of Acute Hepatic Porphyria (AHP)
Module 2 Reviews:
- Evidence for the role of ALA (aminolevulinic acid) and PBG (porphobilinogen) in attacks
- How attacks and, for some patients, chronic symptoms are associated with widespread neurologic lesions, leading to dysfunction across the autonomic, central, and peripheral nervous systems
Module 03:
Acute Hepatic Porphyria (AHP): Simplifying the Diagnostic Path
Module 3 Reviews:
- The diagnostic challenges of AHP
- Common AHP symptoms
- How and why AHP can be easily misdiagnosed
- Biochemical testing for AHP
- Genetic testing
Module 04:
The Patient Burden of Acute Hepatic Porphyria (AHP)
Module 4 Reviews:
- The burden of AHP and challenges with diagnosis
- The debilitating physical and emotional effects AHP may have on patients’ daily functioning
AHP DISEASE BURDEN GUIDE
This guide exploring patient burden summarizes:
- Physical and emotional wellbeing
- Impact on work, productivity, and personal finances
- Relationships with caregivers and loved ones
Find helpful resources
AHP Diagnosis and
Testing Handout

This helpful flyer summarizes:
- The signs and symptoms
- Misdiagnosis
- Using random (spot) urine testing
AHP Random Urine
Testing Guide

This detailed guide includes:
- Testing and protocol information from major US laboratories
Access Additional Resources
For more information about AHP and other forms of porphyria, please visit American Porphyria Foundation, Global Genes, National Organization for Rare Disorders, The Porphyrias Consortium, and the United Porphyrias Association. These independent organizations are dedicated to helping healthcare providers, patients, and their caregivers understand porphyria. Alnylam Pharmaceuticals does not endorse and is not responsible for the content on the sites that are not owned and operated by Alnylam.







































