### Overview of RHOT1P1 Gene
The RHOT1P1 gene is an antagonist pseudogene associated with the RHOT1 gene, which plays a role in mitochondrial dynamics, including mitochondrial transport and morphology. As a pseudogene, RHOT1P1 is a non-functional remnant of a gene that has lost its ability to encode a functional protein.

### Associated Genes
While the summaries from NCBI and UniProt may not directly list additional associated genes, the following related genes may share pathways and functions:
- **RHOT1**: The functional parent gene from which RHOT1P1 is derived.
- **RHOT2**: Another gene related to mitochondrial regulation.
- **Miro1 (RhoT1)** and **Miro2 (RhoT2)**: These are members of the same family and are involved in intracellular transport and dynamics.

### Aging and Age-Related Diseases
As of my last knowledge cut-off date in October 2023, direct associations of RHOT1P1 with aging or age-related diseases are not well established. However, because RHOT1P1 is associated with the RHOT1 gene, which regulates mitochondrial dynamics, disturbances in mitochondrial function are often implicated in aging and conditions like neurodegenerative diseases (e.g., Alzheimer's and Parkinson's diseases). Further research may reveal more about potential connections.

### Drug Interactions
Currently, there is limited information regarding specific drugs or drug classes that directly interact with the RHOT1P1 gene due to its nature as a pseudogene. However, drugs that target mitochondrial function or dynamics may indirectly relate to the pathways influenced by the functional RHOT1 gene. Such drug classes may include:
- Mitochondrial protectants (e.g., antioxidants)
- Drugs used in the treatment of neurodegenerative diseases (e.g., those that affect mitochondrial bioenergetics).

### Pathways and Biological Processes
RHOT1P1 itself does not appear to be involved in any specific known biological processes due to its pseudogene status. However, the functional counterpart, RHOT1, is known to participate in various pathways, including:
- **Mitochondrial transport**: Involved in the movement of mitochondria along microtubules.
- **Regulation of mitochondrial morphology**: Influences processes like fission and fusion.
- **Cellular response to stress**: Implications in maintaining cellular homeostasis.

**Note**: For the most accurate and precise updates, especially regarding ongoing research on aging, drug interactions, and new biological pathways, continually refer to databases such as NCBI Gene, UniProt, and others for the latest information.