"as this approach" is a correct and usable phrase in written English.
For example, you could use it in a sentence like: "I believe this is the best option, as this approach would provide the most effective results."
Awkward as this approach is, don't let it keep you from appreciating "One Small Step".
We used Cas9 mRNA as opposed to CAS9 protein, as this approach has been shown to generate on-target mutations with high efficiency2.
Connecting with peers is more efficient, and as this approach has taken hold, it's driven a much more viral network effect.
As important as this approach is, it is limited because it tacks on community benefits after a private developer has already decided what the development project will be.
As this approach requires a different set of resources from traditional classroom pedagogy, it necessitates considerable re-mixing if not redesign of educational media.
Cross-fertilization of digital and conventional modes of making is emphasized, as this approach often enables economically viable opportunities for creative expression.
As this approach is increasingly employed throughout the world, it brings major changes to the labour force and to labour-management relations.
However, as this approach is not really practical, it serves only as a benchmark.
As useful as this approach may be, there were only a couple studies that applied feedback loops.
As this approach is based on semantic analysis, it is widely termed as a "meaning-driven" approach.
Multidisciplinary intervention was chosen as this approach has been previously demonstrated to reduce medication errors on ICU2.
