HTAi's Interest Sub-Groups (ISGs) act as international hubs for information sharing and discussion on areas of shared interest. Several ISGs have also produced documents of interest.

Documents:

• HTAi Glossary for consumers and patients: a beginner's guide to the words used in health technology assessment (Patient and Citizen Involvement ISG) 
• Hospital-Based HTA: Worldwide Survey (Hospital-Based HTA ISG)
• Handling Ethical Issues in HTA (INAHTA-HTAi ISG on Ethics in HTA)
• Methodological resources in Ethics
• Monthly bulletin: Patient Issues in HTA (Patient and Citizen Involvement ISG)

Workshop presentations, 2010:

• Closing the loop on the lifecycle of technologies (Disinvestment ISG)
• Optimizing retrieval methods for HTA (Information Resources Group)

Patient and Citizen Involvement:

• Methodological examples and references
• Guidance on effective involvement of patients in HTA processes
• Other useful links

Disinvestment of Obsolete or Low Added Value Health Technologies:

• Reducing the use of ineffective health care interventions (Center for Health Economics Research and Evaluation)
• Identification, prioritisation and assessment of obsolete technologies. A methodological guideline
• GuNFT - Guideline for Not Funding existing Technologies

Conditional Coverage and Evidence Development for Promising Technologies:

• Coverage with Evidence Development: A Conceptual Framework (CMTP, United States)

All products of the HTAi Interest Sub-Groups are protected under a Creative Commons Attribution license.