Priority 1 from the Neurodevelopmental Disorders (Canada) PSP

UNCERTAINTY: What are the most effective treatment options/plans (e.g., timing, frequency, duration, type, intensity or dosage) for individuals with neurodevelopmental disorders for both short and long-term benefits?  (JLA PSP Priority 1)
Overall ranking 1
JLA question ID 0056/1
Explanatory note This question is aimed at understanding the what combination of treatments are best for achieving short-term outcomes vs. long-term outcomes, but also goes beyond this by determining when to take certain treatments, at what intensity or dosage and for how long and how often.
Evidence None identified
Health Research Classification System category Mental Health
Extra information provided by this PSP
Original uncertainty examples What are the best ages or developmental stages for treatment to begin?  ~  What are the best treatments (both medication and behavioural) for these disorders?  ~  What is the level of intensity required for different therapies in order to maximize effectiveness?  ~  How long is the intervention supposed to be effective before it plateaus?  ~  what are the most effective, least-intrusive interventions for persons with different kinds of neurodevelopmental disorders? 
Submitted by Mostly family members/carers and clinicians, also some service providers and members of organizations
PSP information
PSP unique ID 0056
PSP name Neurodevelopmental Disorders (Canada)
Total number of uncertainties identified by this PSP. 63  (To see a full list of all uncertainties identified, please see the detailed spreadsheet held on the JLA website)
Date of priority setting workshop 28 September 2017