The phrase "administered only for" is correct and usable in written English.
It can be used in contexts where you want to specify that something is given or applied exclusively for a particular purpose or reason.
Example: "The medication was administered only for the treatment of severe pain."
Alternatives: "given solely for" or "provided exclusively for".
Local government officials and extension workers testified that farmers were never exposed to formal agricultural training as training is usually administered only for extension officials.
This is because each of the examinations was developed and administered only for students in that country, who prepare for the examination and are familiar with its test items.
Exclusion diets should be administered only for the period of time that is needed.
However, in this trial, the primary treatment was administered only for 3 months.
Cotinine assays were administered only for research purposes, and stored within a restricted access database.
This approach has been generally shown to be successful compared with courses of antibiotics administered only for acute exacerbations.
It must be emphasised that anti-VEGF mAb was administered only twice for the specific purpose of this study, and prolonged administration would probably result in longer growth delays.
One may argue, as we have administered only 1110 MBq for RRA in high RAIU group, higher dose probably could have better ablation rate.
The results obtained at this stage were used as a guidance to design a discipline- and population-specific training program (see Section 2.5), which was administered only to EG for three months, during the second half of the competitive season (from February to April).
Thus, we administered only topical ophthalmic betamethasone for mild anterior uveitis.
However, spouses and partners were administered only the NEPS instruments for reading and mathematics, with just two different assessment conditions (in the second condition, the instruments were administered in reverse order).
