It is likely that only a large, prospective, long-term study designed to investigate changes in BMD will be able to answer the question.
DeGiorgio CM, Schachter SC, Handforth A, Salinsky M, Thompson J, Uthman B, Reed R, Collins S, Tecoma E, Morris GL, Vaughn B, Naritoku DK, Henry T, Labar D, Gilmartin R, Labiner D, Osorio I, Ristanovic R, Jones J, Murphy J, Ney G, Wheless J, Lewis P, Heck C. Prospective long-term study of vagus nerve stimulation for the treatment of refractory seizures.
17 This is the only prospective, long-term study in HA augmentation of the lips.
Further prospective, long-term study would be needed for detection of further anatomical and functional changes.
In the academic year 1949 1950, one of us (S.S.F ., while a first-year Fellow in Endocrinology and Metabolism at the University of Michigan (Jerome W. Conn, Division Chief), initiated a prospective, long-term study on the diagnosis, natural history, and clinical genetics of diabetes.
Indeed, results from a prospective, long-term study (up to 9 years) in 67 patients with de novo acromegaly showed that 68.7% and 70.1% of patients treated with octreotide LAR as first-line therapy achieved GH levels <2.5 μg/L and normal IGF-1 levels, respectively, and tumor volume decreased by >25% in 82% of patients [ 104].
Respiratory viruses (RVs) are known to be major causes of morbidity and mortality in recipients of hematopoietic stem cell transplants (HSCTs), but prospective long-term studies are lacking.
We provide an evidence-based approach, integrating data from the major clinical trials that were designed as randomized prospective, long-term studies that had as a primary endpoint either progression of diabetic nephropathy or reduction in CV events.
Similarly, case control studies as well as prospective long-term studies suggest a number of low toxicity interventions and supplements that might significantly impact on MCI progression; folate, B6, and B12 to lower homocysteine levels, omega-fatty acids, and anti-oxidants (fruit juices or red wine) are good examples.
The cost-effectiveness of OBT-A in CM has yet to be defined in ad hoc prospective, long-term studies.
However, whether a high focus on prophylactic treatment during the first year could prevent a suggested high relapse rate was unclear, mainly because very few prospective long-term studies of MOH patients using the revised ICHD-II criteria have been performed.
