Second, the study lacks preliminary baseline information regarding the health personnel knowledge on PBF prior to the training and may have affected the study findings.
While reliable cost-effectiveness data are lacking, preliminary costing exercises from other countries such as Rwanda suggest that coverage of rural populations using community health workers can be achieved for as little as $3 USD per person per year (M. Rich, personal communication, January 25 , 2011 or 7% of total health expenditures [ 61].
Based on the toxicity profile of the combination, the difficulty of identifying biomarker-positive patients and the lack of preliminary antitumour activity, this study arm was terminated.
The NRC report inspired another of the initiatives: a new grant competition at the National Institute of Environmental Health Sciences (NIEHS) for investigators lacking enough preliminary data for a full-fledged NIH proposal.
Monitor was also unable to do significant damage to Virginia, possibly due to the fact that her guns were firing with reduced charges, on advice from Commander John Dahlgren, the gun's designer, who lacked the "preliminary information" needed to determine what amount of charge was needed to "pierce, dislocate or dislodge iron plates" of various thicknesses and configurations.
Although studies focusing specifically on psychiatric complications of DAAs are lacking, this preliminary data suggests that DAAs confer a minimal risk of additional neuropsychiatric side effects.
So far, economic evaluations of anti-stigma interventions are generally lacking; however, preliminary evidence indicates a potential return on investment for employers [ 59].
For instance, information on the biological significance of the E7 expression in these tumours is lacking, but preliminary data indicate that the presence of E7 can improve cell growth rate.
However, a more detailed structure-activity relationship study to reveal the contribution of specific structural elements, for instance length of the aliphatic side chain and position of the heterocyclic nitrogen, is lacking and preliminary data indicated that substitution of bromine by other halogens might lead to more active compounds [ 54].
It failed because of the lack of adequate preliminary investigations and was subsequently carried out on a greatly reduced scale.
