The EFCAB13-DT gene, which is a long non-coding RNA (lncRNA), has been identified with some detail, but information about it may be limited compared to protein-coding genes.

### 1. Associated Genes
While specific associations with other genes may not be widely documented in public databases, lncRNAs like EFCAB13-DT often regulate or interact with neighboring genes or those involved in similar pathways. A common practice is to look at co-expression studies which may highlight genes that show correlated expression with EFCAB13-DT, and these might include genes involved in cellular signaling, apoptosis, or differentiation.

### 2. Aging and Age-Related Diseases
As of now, explicit connections of EFCAB13-DT to aging or age-related diseases have not been prominently detailed in available literature. However, lncRNAs in general have been implicated in various cellular processes related to aging, including the regulation of gene expression associated with cellular senescence, inflammation, and stress responses. A deeper investigation into specific studies involving EFCAB13-DT would be required to elucidate its potential role in aging.

### 3. Drug Interactions 
Current databases, including DrugBank and similar resources, may not list specific drugs interacting directly with EFCAB13-DT due to its classification as an lncRNA. However, some studies suggest that certain classes of drugs could potentially influence lncRNA expression or activity indirectly through their effects on signaling pathways. Nevertheless, more direct evidence is needed to establish any specific interactions.

### 4. Pathways and Biological Processes
EFCAB13-DT, as a lncRNA, may be involved in regulatory functions such as chromatin remodeling, transcriptional regulation, and interactions with protein complexes that influence gene expression. The precise biological pathways in which EFCAB13-DT participates have yet to be fully characterized in the literature. LncRNAs have been shown to be involved in developmental processes, stress responses, and various signaling pathways, including those relevant to cellular growth and differentiation.

### Summary
Overall, while the EFCAB13-DT gene is recognized as an important lncRNA, much about its specific functions, regulatory mechanisms, involvement in aging, drug interactions, and detailed association with other genes remains to be elucidated through ongoing research efforts. More investigations, including studies focusing on its expression in pathological conditions and its possible roles in disease mechanisms, will be essential in understanding the full spectrum of its biological significance.