The REXO1L6P gene, also known as "REXO1-like 6 pseudogene," is classified as a pseudogene associated with the REXO1 gene, which encodes a member of the 3' to 5' exoribonuclease family. This non-coding gene is generally not associated with direct protein-coding functions, but it can contribute to regulatory roles in gene expression or RNA processing through its sequence homology.

### Additional Associations
1. **Associated Genes**: 
   - While specific other genes directly associated with REXO1L6P are not typically detailed due to its classification as a pseudogene, its primary gene, REXO1, and the broader family of exoribonucleases may show connection. Examining synteny and evolutionary relationships can provide insights into potential overlapping functions with other genes involved in RNA processing or degradation.

### Aging and Age-Related Diseases
2. **Aging Associations**: 
   - Currently, there are limited studies linking REXO1L6P directly to aging or age-related diseases. However, its parent gene, REXO1, has been implicated in the response to oxidative stress and cellular stress, which are relevant in aging research. Pseudogenes like REXO1L6P may influence gene regulation and the transcriptomic landscape in aging contexts through RNA interference or regulation of gene expression.

### Drug Interactions
3. **Drug Interactions**: 
   - As REXO1L6P is a pseudogene and typically does not encode proteins, it is less likely to have direct drug interactions. However, if there are drugs affecting RNA processing, they may indirectly influence the function or expression levels of non-coding RNAs, including expressions involving REXO1L6P. Specific information on drug interactions would require dedicated pharmacogenomics studies.

### Pathways and Biological Processes
4. **Biological Processes**: 
   - While REXO1L6P itself does not directly participate in pathways due to its pseudogenic nature, it may influence:
     - RNA metabolic processes: Since it is related to the REXO family of genes.
     - Regulation of gene expression: Through mechanisms typical of pseudogenes, such as competing endogenous RNA (ceRNA) activity.
   - The parental gene REXO1 is known to be involved in RNA decay and therefore could impact pathways related to RNA quality control.

### Summary
The REXO1L6P gene is primarily a pseudogene with indirect implications in biological processes likely related to RNA metabolism and gene regulation. While direct research linking it to aging, diseases, or drug interactions is limited, the context of its association with the REXO1 gene presents avenues for further exploration, especially in the realms of genetic expression modulation and potential regulatory roles.