The progress in stem-cell therapy for treatment of diseases proved successful and is it available to all ?

The progress in R & D by various nations/medical research institutes have been proving up to some extent in terms of picking up and re-plantation of stem cells into human beings. The source is either from placenta or energetic body parts has been practiced by various nations. The thing is that, is this new type of treatment is available to common-man or under developed nations ? Plz. clarify !!