"were involved into" is not a correct phrase in written English; it should be "were involved in".
For example, "Many of the students were involved in volunteer activities over the summer."
To evaluate the environment of the chamber, eight volunteers were involved into the experiment.
All the authors discussed the findings and were involved into composing the text of the article.
Varieties of preservatives with different properties were involved into the production of fresh noodles.
These patients were involved into the analysis.
In total, 187 children were involved into the study.
162 patients who met inclusion and exclusion criteria were involved into the study.
Thereafter his main concern, apart from family, was the channelling of US sponsorship from the firms with which, in various capacities, he was involved, into community works in Nepal.
There are indications that the quasi-biennial oscillations may be involved into this dependence.
The generation of such key intermediates might be involved into the rate-determining step.
Several parameters are involved into the performance assessment of the collective system.
Recently, ubiquitination has been involved into selective degradation of both proteins and mitochondria by autophagy.
