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Evidence to Improve Care

Multi-gene Pharmacogenomic Testing That Includes Decision-Support Tools to Guide Medication Selection for Major Depression

Final Recommendation

  • Ontario Health, based on the guidance of the Ontario Health Technology Advisory Committee, recommends against publicly funding multi-gene pharmacogenomic testing that includes decision-support tools for guiding medication selection for people with major depression.

Read the final recommendation report


Most people with major depression are treated with drugs. However, some people do not benefit from, or can’t tolerate, their prescribed depression drugs. Differences in people’s genes can contribute to differences in their body’s responses to drugs prescribed for depression. Testing a person’s genes can help predict which depression drugs and dosages are most likely to result in a good treatment response and have the lowest risk of bad side effects. This is called multi-gene pharmacogenomic testing.

This health technology assessment looked at how safe, effective, and cost-effective multi-gene pharmacogenomic testing that includes decision-support tools is for people with major depression. It also looked at the budget impact of publicly funding multi-gene pharmacogenomic testing that includes decision support tools, and it considered the experiences, preferences, and values of people with major depression.

Read the full health technology assessment report for more information.

Multi-gene Pharmacogenomic Testing That Includes Decision-Support Tools to Guide Medication Selection for Major Depression: A Health Technology Assessment (PDF)
August 2021

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The Ministry of Health has accepted this recommendation.

The Ministry of Health has provided the following response: The Ministry has a standardized process in place to review health technology assessments and funding recommendations. This takes into consideration Ministry priorities, implementation options, the need for consultation with impacted stakeholders, and funding considerations.



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