The RNU7-97P gene is classified as a pseudogene, part of a larger family of small nucleolar RNAs (snoRNAs). This gene is primarily associated with the modification and processing of ribosomal RNA (rRNA) and maturation of ribosomes, which are critical for protein synthesis. Below are the details related to the specific queries you have regarding the RNU7-97P gene:

### 1. Related Genes
As RNU7-97P is a pseudogene, it may not have direct functional counterparts within a pathway, but it is part of a larger family of snoRNA genes. Other snoRNA genes associated with RNU7-97P may include:
   - RNU7-1
   - RNU7-2
   - RNU7-4
These snoRNAs are typically involved in rRNA methylation and processing, which is crucial in ribosome biogenesis.

### 2. Aging or Age-related Diseases
Current literature does not provide extensive data specifically linking RNU7-97P to aging or age-related diseases. However, research on the dysfunction of various snoRNAs, in general, has indicated possible connections to age-related decline in ribosomal function and accelerating age-related diseases, including neurodegenerative conditions. Further studies may reveal a more direct role.

### 3. Drug or Drug Classes 
There are currently no specific drugs or drug classes that are publicly known to interact with the RNU7-97P gene directly. However, small nucleolar RNAs, including pseudogenes, can influence the expression and efficacy of various RNA-targeting drugs, including those used in cancer therapeutics or antiviral treatments. The impact of related snoRNAs on drug resistance in various diseases may also indirectly implicate RNU7-97P, but specific interactions have not been documented.

### 4. Pathways and Biological Processes
RNU7-97P is mainly involved in:
   - **Ribosome biogenesis:** This process includes the assembly and maturation of ribosomes, where snoRNAs play a key role in the modification of rRNA.
   - **RNA modification:** RNU7-97P is involved in the methylation and processing of rRNA molecules, which are essential steps to form functional ribosomal subunits.
   - **Nuclear RNA processing:** This involves the processing of various RNA substrates in the nucleolus, which is also where snoRNAs typically act.

In conclusion, more research is required to establish the full extent of biological roles and implications of the RNU7-97P gene in aging and drug interactions. Given that it is a pseudogene, its primary role may not be as critical as those of functional genes but still may contribute to the overall dynamics of RNA processing in the cell.