Obsessive-compulsive disorder (OCD) is a clinical condition characterized by the presence of obsessions and compulsions. Obsessions are intrusive and unwanted thoughts, ideas, or images that cause significant distress, while compulsions are repetitive behaviors or mental acts that individuals feel driven to perform in response to their obsessions. These obsessions and compulsions can significantly interfere with a person’s daily life, causing distress and impairing their functioning.

OCD is believed to have a complex etiology, with both genetic and environmental factors playing a role in its development. Family and twin studies have consistently shown that OCD aggregates in families, indicating a genetic component. Genetic testing and research have identified several genes that may contribute to the development of OCD, including genes related to serotonin, a neurotransmitter in the brain. However, the specific genes and their exact role in the disease remain a subject of ongoing research.

This condition has been a subject of scientific inquiry for many years, and researchers have made significant progress in understanding its causes and mechanisms. Numerous studies have explored the brain circuits and neurochemical systems involved in OCD, which have provided valuable insights into the pathophysiology of the disorder. Researchers have also developed various animal models to study the condition and test potential treatments. Additionally, studies on patients with OCD have contributed to our understanding of the disorder’s clinical presentation and comorbidities.

For individuals seeking more information about OCD, there are several resources available. The Catalog of Human Genetic Variants is a comprehensive database that provides information on genetic variants associated with OCD and other disorders. The Online Mendelian Inheritance in Man (OMIM) catalog contains detailed information about genetic disorders, including OCD. PubMed is a valuable resource for scientific articles and references related to the genetic and neurobiological aspects of OCD. ClinicalTrials.gov provides information on ongoing clinical trials that explore new treatments and interventions for the disorder.

In addition to scientific resources, individuals with OCD and their families can find support and advocacy from various organizations. These organizations provide information, resources, and support networks for individuals affected by OCD. They also advocate for increased awareness and understanding of the condition among the general public and healthcare professionals.


The frequency of obsessive-compulsive disorder (OCD) is estimated to be around 2% to 3% of the general population. It affects both males and females equally, with most cases being diagnosed during adolescence or early adulthood.

The average length of the portion of a doctor appointment in which the patient actually sees the doctor is up from previous years, rising by about 12 seconds per year, according to Reuters. However, 60% of physicians report dissatisfaction with the amount of time they spend with their patients, athenaInsight Many doctors now spend more time on paperwork than seeing patients, and a primary care physician who spends 5 minutes of face-to-face time with a patient will spend another 19.3 minutes, on average, working on that patient’s electronic health records (EHRs).

According to clinicaltrials.gov, there are currently several ongoing clinical trials investigating the causes and treatment of OCD. These studies aim to better understand the role of serotonin and genetic factors in the development of the disorder.

Research studies have identified various genetic references and genes that may contribute to OCD. References such as PubMed, OMIM, and other genetic resources provide valuable information on the genes and inheritance patterns associated with OCD.

Health organizations and advocacy groups also provide support and resources for individuals with OCD and their families. They offer information on the condition, overall health, and other related disorders.

Articles published in scientific journals and additional studies conducted by researchers have helped to expand the knowledge and understanding of OCD. These publications contribute to the development of effective treatment options and therapies.

Catalogs such as the Clin Catalog provide information on the frequency of OCD among various populations. They may also include details on the prevalence rates and specific demographic factors associated with the disorder.

In conclusion, OCD is a relatively common mental health condition that affects a significant portion of the population. Ongoing research, clinical trials, and the support of advocacy groups aim to improve our understanding and treatment of this disorder.


Currently, the exact causes of obsessive-compulsive disorder (OCD) are not fully understood. However, there are several factors that researchers believe may contribute to the development of this condition.

Genetic Factors

There is evidence to suggest that OCD may have a genetic component. Several studies have found that individuals with a family history of OCD are more likely to develop the disorder themselves. Genetic testing can also provide valuable information about the presence of certain genes associated with OCD.

Research has shown that certain genes related to neurotransmitter functioning, such as serotonin, may play a role in the development of OCD. In addition, there may be specific genetic variations that increase a person’s susceptibility to OCD.

Brain Structure and Function

Studies have also found that abnormalities in certain areas of the brain, such as the basal ganglia and the fronto-striatal circuit, may be associated with OCD. These regions are involved in the regulation of thoughts and behaviors, which could explain the repetitive and intrusive nature of obsessions and compulsions in individuals with OCD.

See also  MT-ND5 gene

Environmental Factors

While genetics and brain function are important factors in the development of OCD, environmental factors can also have an influence. Stressful life events, such as trauma or significant life changes, may trigger the onset of OCD in some individuals.

In addition, certain medical conditions, such as streptococcal infections and autoimmune disorders, have been linked to the development of OCD symptoms in some cases. However, further research is needed to fully understand the relationship between these conditions and OCD.

Other Potential Causes

There is ongoing research and scientific debate on other potential causes of OCD. Some studies have suggested a link between certain psychological or personality traits, such as perfectionism or high levels of anxiety, and the development of OCD.

Furthermore, recent advances in technology and research methods have allowed researchers to explore the role of the gut-brain connection in OCD. Emerging evidence suggests that imbalances in gut bacteria, known as the gut microbiome, may contribute to the development of OCD symptoms.

Overall, a combination of genetic, environmental, and neurological factors likely contribute to the development of OCD. More research is needed to fully understand the complex causes of this condition and to develop effective treatments.


Obsessive-compulsive disorder (OCD) has been found to have a genetic basis. This means that the condition can run in families and certain genes may contribute to the development of the disorder.

Research has shown that individuals with a first-degree relative (such as a parent or sibling) who has OCD are at a higher risk of developing the condition themselves. The overall frequency of OCD in first-degree relatives of OCD patients is about 10 times higher compared to the general population.

Several genes have been identified that are associated with OCD. These genes are involved in the regulation of serotonin, a neurotransmitter that is believed to play a role in OCD. However, it is important to note that OCD is a complex condition and is likely to involve multiple genes and environmental factors.

Genetic testing for OCD is currently available, although it is not routinely used in clinical practice. Genetic testing can help to identify specific genes that may be associated with the condition and can provide additional information about the causes and inheritance patterns of OCD.

For more information about genetic testing for OCD and other related disorders, researchers and patients can explore resources such as the ClinicalTrials.gov and PubMed databases. These databases provide access to scientific articles, clinical trials, and other relevant information.

Additional resources for genetic testing and support can be found through organizations such as the International OCD Foundation and the National Institute of Mental Health. These organizations provide information, support, and advocacy for individuals and families affected by OCD and other related conditions.

In summary, inheritance plays a role in the development of obsessive-compulsive disorder. Genetic researchers have identified specific genes associated with the condition, and genetic testing is available to provide more information about the causes and inheritance patterns of OCD. However, it is important to consider that OCD is a complex condition and likely involves multiple genes and environmental factors. Resources such as clinical databases and patient support organizations can provide additional information and support for individuals and families affected by OCD.

Other Names for This Condition

  • Obsessive-compulsive disorder (OCD)
  • Obsessive-compulsive neurosis
  • Anankastic personality disorder
  • OCD, familial
  • OCD, postinfectious
  • OCD, juvenile
  • OCS
  • OC
  • Compulsive behavior, obsessive
  • Compulsive personality disorder, obsessive
  • OC disorder
  • Neurotic personality disorder, obsessive-compulsive type
  • Multi-Infarct Dementia, OCD type
  • Anankastic neurosis

Obsessive-compulsive disorder (OCD), also known by several other names such as anankastic personality disorder and OC disorder, is a genetic condition characterized by repetitive and intrusive thoughts (obsessions) and repetitive behaviors (compulsions) that a patient feels driven to perform. These obsessions and compulsions can cause significant distress and interfere with daily activities.

For additional information about this condition, patients and their families can seek genetic testing for health problems and inheritance patterns. Clinical trials can also be found on clinicaltrialsgov. Advocacy groups and organizations can provide support, resources, and information on recent research and studies related to this condition.

The frequency of OCD in the general population is around 2-3%, and it is believed to have a genetic basis. Several genes have been identified that contribute to the development of OCD, and research in this area is ongoing. The specific causes of this condition are not yet fully understood, but serotonin, a neurotransmitter, is thought to play a role in OCD.

References for further scientific research and information can be found on OMIM and PubMed. Researchers continue to study the genetics and underlying causes of this condition, as well as its relationship to other diseases and disorders.

Additional Information Resources

  • Clinical Trials: Visit ClinicalTrials.gov to find ongoing clinical studies related to obsessive-compulsive disorder and other related conditions.
  • Genetic Testing: Information on genetic testing for obsessive-compulsive disorder and related disorders can be found at Genetic Testing in Practice.
  • OMIM Catalog: The Online Mendelian Inheritance in Man (OMIM) catalog provides detailed information on genes and genetic disorders. Visit OMIM for more information.
  • Patient Support: Patients and families affected by obsessive-compulsive disorder can find support and advocacy resources at OCD-UK and Obsessive Compulsive Foundation.
  • Research Articles: PubMed is a useful resource for finding scientific articles and research studies related to obsessive-compulsive disorder. Visit PubMed for more information.

Genetic Testing Information

For those who are interested in understanding the genetic basis of obsessive-compulsive disorder (OCD), there is a wealth of research and information available. Genetic testing can play a crucial role in identifying the inheritance patterns, specific genes, and overall genetic predisposition to OCD.

See also  SPG7 gene

Research and Inheritance

Scientific studies have shown that OCD has a genetic component, with the condition often running in families. Certain genes have been identified and studied to understand their role in the development of OCD. Genetic testing can provide valuable insight into the inheritance patterns and the probability of developing the disorder.

Other Genetic Factors

In addition to specific genes, there are other genetic factors that can contribute to the overall risk of developing OCD. For example, variations in genes related to serotonin, a neurotransmitter involved in mood regulation, can influence the causes and symptoms of OCD.

Genetic Testing Resources

There are numerous resources available for obtaining genetic testing information for OCD. The Online Mendelian Inheritance in Man (OMIM) catalog provides a comprehensive database of genetic disorders, including OCD-related genes. PubMed, a trusted scientific resource, also contains articles and studies related to genetic testing for OCD.

Patient Advocacy and Support

For individuals and families affected by OCD, patient advocacy and support groups can be essential resources. These organizations often provide information on genetic testing, genetic research, and overall support for those with the condition and their loved ones.

Additional Information

For additional information on genetic testing and related studies for OCD, researchers and individuals can explore clinicaltrialsgov, which lists ongoing clinical trials and research studies. This can lead to further understanding of the genetic basis of OCD and potential treatments.

Patient Support and Advocacy Resources


  • There are several organizations that provide support for individuals with obsessive-compulsive disorder (OCD) and their families. These organizations offer online resources, helplines, and support groups.
  • Some of the well-known support organizations for OCD include the International OCD Foundation (IOCDF), the Anxiety and Depression Association of America (ADAA), and the National Alliance on Mental Illness (NAMI).
  • These organizations can provide additional information about OCD, treatment options, and connect individuals with local support groups.

Genetic Testing and Advocacy

  • Genetic testing can be useful in understanding the genetic basis of OCD and related disorders.
  • OMIM (Online Mendelian Inheritance in Man) is a comprehensive catalog of genetic disorders and the genes associated with them. It can be a valuable resource for researchers and clinicians studying the genetics of OCD.
  • Testing for genetic causes of OCD can help individuals and their families understand the inheritance patterns and potential risks for future generations.
  • Scientific articles published on PubMed can provide more information on the genetic basis of OCD and related conditions. Researchers and clinicians can refer to these articles for further study.
  • Advocacy organizations such as the International OCD Foundation can help raise awareness about the importance of genetic testing and support research efforts in this area.

Other Resources

  • Patients and their families can find information about ongoing clinical trials related to OCD on clinicaltrialsgov. These trials may provide opportunities to participate in research and access innovative treatments.
  • Other resources such as patient forums, blogs, and online communities can offer a place for individuals with OCD to share their experiences, seek advice, and find support from others who understand the condition.
  • Support groups and therapy sessions led by mental health professionals can also be beneficial for individuals with OCD, providing a safe space to discuss challenges, share coping strategies, and learn from others.
  • It is important for individuals with OCD and their families to educate themselves about the condition, its causes, and available treatment options. This knowledge can empower them to better manage the challenges and improve their overall mental health.

Research Studies from ClinicalTrials.gov


Researchers and clinicians are constantly conducting research studies to explore the causes, inheritance, and overall understanding of obsessive-compulsive disorder (OCD). This information is crucial for scientific advancements and better support for individuals with this condition.

Frequency and Causes

OCD is a complex disorder that can be influenced by both genetic and environmental factors. Numerous studies have focused on identifying the genes and genetic variations associated with OCD. This research aims to determine the frequency of the condition within specific populations and provide insights into potential causes.

Genetic Research

  • Genes and Inheritance: Studies have identified various genes that may contribute to the development of OCD. Understanding the inherited component of the disorder is essential for genetic counseling and early diagnosis.
  • Other Genetic Disorders: Researchers also investigate the relationship between OCD and other genetic disorders, such as Tourette syndrome and autism spectrum disorders. Identifying common genetic pathways may lead to better treatment options.

Testing and Diagnostics

Research studies aim to develop and improve diagnostic tools and testing methods for OCD. By evaluating biological markers and conducting comprehensive assessments, clinicians can provide more accurate diagnoses and personalized treatment plans.

Additional Resources and Support

Scientific articles and resources are available through databases such as PubMed, OMIM, and ClinicalTrials.gov. These platforms catalog and provide access to relevant studies and references, offering valuable information for researchers, clinicians, and individuals affected by OCD.


ClinicalTrials.gov is a comprehensive registry of ongoing and completed clinical trials. It provides information about studies investigating new treatments, medications, and interventions for OCD, as well as opportunities for individuals to participate in research and contribute to improving the understanding and management of the disorder.

Advocacy and Support

In addition to research studies, advocacy organizations play a crucial role in raising awareness, providing support, and promoting research for OCD and related disorders. They offer resources, educational materials, and community platforms for individuals and families affected by OCD.

See also  Trimethylaminuria


Research studies conducted by clinicians and researchers continue to expand our knowledge of OCD. These studies focus on various aspects, including causes, genetics, testing, and overall understanding of the condition. By collaborating and sharing information, the scientific community can pave the way for improved diagnosis, treatment, and support for individuals with OCD.

Catalog of Genes and Diseases from OMIM

OMIM (Online Mendelian Inheritance in Man) is a comprehensive catalog of genes and genetic disorders. It provides valuable information for researchers, clinicians, and patients alike.

OMIM offers a wide range of resources for genetic testing, clinical trials, and advocacy. It provides information on the inheritance patterns, clinical features, and frequency of diseases. This allows clinicians and researchers to better understand the genetic basis of various conditions.

OMIM categorizes diseases based on their genetic cause. It includes information on genes associated with conditions such as obsessive-compulsive disorder (OCD). Researchers can access references and additional articles on these genes, enabling them to stay up-to-date with the latest scientific research.

Patient advocacy groups and support networks can also benefit from OMIM. They can find resources and information to help individuals and families affected by genetic disorders. This can include information on disease management, treatment options, and support services.

Overall, OMIM is a valuable tool for researchers, clinicians, and patients. It provides a comprehensive catalog of genes and diseases, offering a wealth of information for those studying and dealing with genetic disorders.

Scientific Articles on PubMed

Obsessive-compulsive disorder (OCD) is a complex condition that has been the focus of extensive research. Many studies have investigated the genetic inheritance of OCD, and there is strong evidence to suggest that certain genes play a role in predisposing individuals to this condition. Several genetic studies have identified specific genes that are associated with OCD, and this information can be found on the National Center for Biotechnology Information’s PubMed database (clin.pubmed.gov).

Genetic testing can be a valuable tool in diagnosing and understanding OCD. Patients may benefit from genetic testing to determine if they have any of the genes that are known to be associated with OCD. This information can be used to guide treatment decisions and provide additional support to patients and their families.

Frequency and Causes

OCD affects approximately 2-3% of the population, making it a relatively common condition. The exact causes of OCD are not yet fully understood, but it is believed to be a combination of genetic, neurobiological, and environmental factors.

Research has shown that abnormalities in serotonin-related pathways in the brain may be involved in the development of OCD. Serotonin is a neurotransmitter that plays a role in regulating mood, and imbalances in serotonin levels have been linked to various mental health disorders, including OCD.

Support and Resources

For patients and families affected by OCD, there are many resources available to provide support and information. The Online Mendelian Inheritance in Man (OMIM) catalog provides a comprehensive list of genes and genetic conditions, including OCD. This catalog can be accessed online and contains detailed information about the genes associated with OCD.

In addition, there are numerous advocacy groups and organizations that provide support, education, and resources for individuals with OCD. These organizations often conduct research and raise awareness about OCD and related disorders.

Scientific Research and Clinical Trials

Researchers continue to explore the causes and treatment options for OCD through scientific research and clinical trials. Many scientific articles on OCD can be found on PubMed, which is a valuable resource for healthcare professionals, researchers, and individuals seeking information on the latest research advancements in the field of OCD.

ClinicalTrials.gov is another useful platform that provides information about ongoing and completed clinical trials related to OCD. These trials aim to evaluate the effectiveness and safety of new treatments for OCD and may provide opportunities for patients to participate in research studies.

Overall Experience and Recommendations

Individuals with OCD often face significant challenges in their daily lives. It is important to seek support from healthcare professionals, support groups, and advocacy organizations to obtain accurate information and resources for managing the condition.

Genetic testing and research studies can provide valuable insights into the underlying causes of OCD and may help guide treatment decisions. Patients and their families are encouraged to discuss the possibility of genetic testing with their healthcare providers to determine if it is appropriate for their specific situation.

Overall, staying informed about the latest scientific articles, research studies, and advocacy efforts can help individuals with OCD and their families access the support and resources they need for a better quality of life.


  • Researchers: A list of researchers who have conducted studies on obsessive-compulsive disorder can be found on the PubMed website and OMIM database.

  • Catalog of Genes and Diseases: The OMIM database provides information on genes and diseases, including obsessive-compulsive disorder and related conditions.

  • Genetic Studies: Genetic studies have been conducted to investigate the inheritance and causes of obsessive-compulsive disorder. Additional information can be found in scientific articles and research papers.

  • Clinical Trials: ClinicalTrials.gov is a valuable resource for finding information on ongoing clinical trials related to obsessive-compulsive disorder and other mental health conditions.

  • Advocacy and Support: Various advocacy groups and support organizations offer resources and support for patients with obsessive-compulsive disorder and their families.

  • Serotonin and OCD: The role of serotonin in the development and treatment of obsessive-compulsive disorder is a topic of ongoing research and clinical testing.

  • Overall Frequency: The overall frequency of obsessive-compulsive disorder in the general population has been estimated through epidemiological studies.