Major Depressive DisorderMOODNCT05989412
Mobile Screening for Major Depressive Disorder in Adults From an Ethnically and Socioeconomically Diverse Population.
A study testing Patient health questionnaire-9 via the Your Research application in people with Major Depressive Disorder, run by Erasmus Medical Center at 1 site in Netherlands.
Trial summary
Major depressive disorder (MDD) is a mental disorder leading to a variety of emotional and physical problems affecting almost 300 million people worldwide. Long-term treatments for MDD, including medication and therapy, imposes a significant financial burden on society. Read more about this study
- Who is it for?
- Ages 18 years and olderHealthy volunteers can take part
- Conditions the study is for
- Major Depressive Disorder
- What is being tested?
- Patient health questionnaire-9 via the Your Research application
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 1,786 participants
- Where
- 1 siteNetherlands
- Study dates
- 1 Sep 2024to Mar 2028
- Phase
- Interventional
- Are there results?
- Not yet: the study is under way
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 years and older
- All sexes
- Healthy volunteers accepted
- Adult, Older adult
Who may be able to join
- At least 18 years old Live in Rotterdam Zuid
- Have access to a smartphone or tablet.
- Give informed consent
Who cannot join
- Is currently treated by a psychologist or psychiatrist for depressive symptoms
Trial locations and contacts
1 site in 1 country.
About this study
Major depressive disorder (MDD) is a mental disorder leading to a variety of emotional and physical problems affecting almost 300 million people worldwide. Long-term treatments for MDD, including medication and therapy, imposes a significant financial burden on society. Mobile-based screening interventions might be a promising approach for effectively reducing MDD symptoms. The investigators hypothesize that the mobile-based screening strategy evaluated in this proposal will substantially reduce the burden of MDD over time, increase participants' quality of life, and decrease MDD-related disparities
Read the detailed description
The MOOD trial is designed as a prospective, randomized controlled multi-arm trial with three parallel groups: an intervention group that will be screened 4-weekly for MDD for 12 months and receives a referral for MDD diagnosis and treatment after one positive test score on the PHQ-9, an intervention group who will be screened the same as the first group but receives a referral for MDD diagnosis and treatment after three consecutive positive test scores on the PHQ-9 and a control group who do not receive mobile-based screening for MDD. Randomization will be performed by the Your Research application as block randomization with a 2:1:1 allocation and stratification for age, gender and living area.
The intervention will be powered to demonstrate an effect on quality of life after 12 months with 80% power at a 5% significance threshold. It assumes that averted MDD will result in a 0.40 improvement in quality of life and that frequent screening will be effective in 40% of participants with MDD. Furthermore, the investigators conservatively assume a cumulative incidence of MDD during 12 months of 10%, based on a three times increased rate of unemployment in the intervention area and therefore three times increased risk of developing MDD. An additional adjustment for an assumed 40% spontaneously remission rate within 12 months was applied. With a correlation coefficient of 0.8, the design effect for using the baseline measurement becomes 0.36. Therefore, 714 people are required in control and combined intervention arms. Yielding a total sample size of 1,428 people (2:1:1 randomization). The intervention will be powered to demonstrate an effect on quality of life with 80% power at a 5% significance threshold. To compensate for the potential 20% differential loss of follow-up in both arms due to adverse events, the investigators aim to recruit an additional 179 participants for the control arm and 179 participants for the intervention arm (1:1 between both intervention groups). To reach the goal this study therefore need 1786 participants.
Participants will follow the individual screening procedure through the application platform Your Research. Participants will be invited to create a secured personal account, after which all participants can log in through a website on their computer/laptop or by installing the Your Research app on their tablet or mobile phone. There will be a variety of platforms provided for additional inquiries about the study process, including video calls, chat options, and phone calls.
Participants will be recruited through different online and offline strategies to encourage citizens' participation according to different cultural backgrounds. Offline recruitment includes in-person interactions with community members referred to be "key figures", posting flyers in GP offices and municipal buildings, video promotion, presentations, and by addressing people personally in public areas. Online recruitment postings will be made on websites, social media networks, and local radio stations.
Interested individuals can enroll by visiting the study website, or by initiating an application procedure through the Your Research app. If preferred, contacting the investigators through phone or email is also possible. Eligible participants will subsequently be provided with the patient information form (PIF) as well as an informed consent form. Participants who complete and return the signed consent form will be enrolled and randomized in the trial. The informed consent procedure is conducted digitally by using ValidSign. After randomization, participants will complete the baseline assessment.
Recruitment will be closely monitored to ensure that the sample size will be reached. If the sample size is attained, inclusion tactics will be discontinued. Furthermore, to ensure that questionnaire assessments are completed and that participants remain in the study, researchers will automatically send reminders via several contact channels based on the participants' preferences (email, push notifications, SMS). Participants will be compensated for their participation at the end of the study. Depending on the study arm and the number of completed questionnaires the participants can earn up to €50 in gift cards. Participants have the option to withdraw from the study at any moment during the trial. Recruitment will take place between January 2024 and December 2024.
Primary and secondary outcome measures for the MOOD study will be collected using mobile-based questionnaires. Data can be collected throughout the study and stored using encrypted digital files within password-protected folders with access limited to a restricted number of researchers. To protect confidentiality, participants will be granted a unique participant identification number upon registration. This number, as well as the associated personal information, is only available to the lead investigator and team members under their supervision. Contact information will be kept separate from any other research data gathered throughout the study. After the study is finished, all data will be safely archived for 15 years within Erasmus Medical Center. Once all outcome data has been collected, it will be exported to a statistics program. Members of the research team will examine and clean the data. All data will be kept and stored in accordance with the Personal Data Protection Act.
- Conditions
- Major Depressive Disorder
- Being tested
- Patient health questionnaire-9 via the Your Research application
- Keywords
- Randomized controlled trial, Major depressive disorder, Screening intervention, eHealth, Mental health
- Medical subject headings
- Depressive Disorder, Major, Psychological Well-Being
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Patient health questionnaire-9 via the Your Research applicationOther
Both intervention arms will have 4-weekly screening with either lenient follow-up or screening with stricter follow-up for a time period of one year. Data will be collected via an app designed by Your Research which runs on Microsoft Azure server, as the primary of participants' response collection. A dedicated backup system will serve as a secondary data collection.
| Study group | Role | What they receive |
|---|---|---|
| Control arm | No intervention | a control arm where the investigators will only measure the quality of life using the EQ-5D questionnaire. This measurement will be performed at the same time as both screening arms. |
| Standard referral | Experimental | a screening arm with standard participant referral for diagnosis at the general practitioner's office (after 1 positive test score on the PHQ-9 questionnaire or suicidal ideation). Receives: Other: Patient health questionnaire-9 via the Your Research application |
| Limited referral | Experimental | a screening arm with limited participant referral for diagnosis at the general practitioner's office (after three consecutive positive test scores on the PHQ-9 questionnaire or suicidal ideation). Receives: Other: Patient health questionnaire-9 via the Your Research application |
What is being measured
The primary outcome is the main question the study is designed to answer.
Quality of life scores after 12 months
Primary outcomes of the trial include participants' quality of life after 12 months as measured by the The 5-level EuroQuol-5D (EQ-5D-5L) between two intervention groups and the control group. EQ-5D-5L is being used as a 5-item self-report validated questionnaire for assessing health and health-related quality of life across five core dimensions (5D): mobility, self-care, daily activities, pain/discomfort, and anxiety/depression and has been widely used to measure the quality of life. Items are scored on zero-five levels of severity (5L) for each dimension. Higher scores represent decreased quality of life on that particular day with a minimum score of 5 and a maximum score of 25.
Measured: 12 months
Secondary outcomes (1)
Major depressive disorder symptoms
The investigators will also examine the occurrence and severity of symptoms as measured by the PHQ-9. If participants are not referred to their GP due to one or three consecutive positive test scores on PHQ-9 during the 12-month intervention period, PHQ-9 will be evaluated every four weeks for both intervention groups. Furthermore, population differences will be evaluated based on socio-demographic characteristics (including age, gender, ethnicity, education level, and employment status).
The PHQ-9 is a multipurpose instrument for screening, diagnosing, monitoring, and measuring the severity of depression including 9 questions and a 4-scale-based answer option (Not at all, Several days, More than half the days, Nearly every day). Total scores of 5, 10, 15, and 20 represent cutpoints for mild, moderate, moderately severe, and severe depression, respectively. Scores on the PHQ-9 range from 0 to 27. A higher score means a worse outcome
Measured: 12 months
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted14 Aug 2023
- Study start1 Sep 2024
- Primary completionMar 2028 (estimated)
- Study completionMar 2028 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (18)Papers the sponsor has linked to this study.
- Other trials for Major Depressive DisorderStudies of the same condition, open and under way.
- More trials run by Erasmus Medical CenterThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Screening
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Model description
- The investigators will randomize 1786 eligible respondents across three arms, in a 2:1:1 fashion. The three arms comprise a control arm, a screening arm with limited participant referral for treatment (after three positive test scores on Patient Health questionnaire-9 (PHQ-9) or suicidal ideation), and a screening arm with standard referral for participants with moderate-severe symptoms of major depression (single positive test score on PHQ-9 questionnaire).
- Masking
- None (open label)
- Enrolment
- 1,786 participants (estimated)
Sponsor and investigators
- Lead sponsor
- Erasmus Medical Center
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Inge MCM de Kok, Erasmus Medical Center
- Investigators
- Inge de Kok, PhD, Principal investigator, Erasmus Medical Center
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT05989412
- Sponsor's protocol ID
- NL84280.078.23
- Acronym
- MOOD
- Status last verified
- Sep 2026
- First submitted
- 9 May 2023
- Last updated
- 22 Sep 2026
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- Yes: Data of participants that did not grant permission to reuse their data for future research will have to be removed. Furthermore, further pseudonymisation and/or aggregation of the pseudonymised dataset would be required to secure the privacy of the participants and avoid indirect identification. The accessibility of the collected data could be important for potential follow-up research of this project and/or similar national/international projects that would like to perform analyses on our data because not much is known yet on the implementation of screening for MDD.
Publications
Abdoli N, Salari N, Darvishi N, Jafarpour S, Solaymani M, Mohammadi M, Shohaimi S. The global prevalence of major depressive disorder (MDD) among the elderly: A systematic review and meta-analysis. Neurosci Biobehav Rev. 2022 Jan;132:1067-1073. doi: 10.1016/j.neubiorev.2021.10.041. Epub 2021 Nov 4.
PubMed 34742925Almeida OP. Prevention of depression in older age. Maturitas. 2014 Oct;79(2):136-41. doi: 10.1016/j.maturitas.2014.03.005. Epub 2014 Mar 22.
PubMed 24713453Gotlib IH, Goodman SH, Humphreys KL. Studying the Intergenerational Transmission of Risk for Depression: Current Status and Future Directions. Curr Dir Psychol Sci. 2020 Apr 1;29(2):174-179. doi: 10.1177/0963721420901590. Epub 2020 Feb 24.
PubMed 33758474Hall CA, Reynolds-Iii CF. Late-life depression in the primary care setting: challenges, collaborative care, and prevention. Maturitas. 2014 Oct;79(2):147-52. doi: 10.1016/j.maturitas.2014.05.026. Epub 2014 Jun 7.
PubMed 24996484GBD 2017 Disease and Injury Incidence and Prevalence Collaborators. Global, regional, and national incidence, prevalence, and years lived with disability for 354 diseases and injuries for 195 countries and territories, 1990-2017: a systematic analysis for the Global Burden of Disease Study 2017. Lancet. 2018 Nov 10;392(10159):1789-1858. doi: 10.1016/S0140-6736(18)32279-7. Epub 2018 Nov 8.
PubMed 30496104Kalibatseva Z, Leong FT. Depression among Asian Americans: Review and Recommendations. Depress Res Treat. 2011;2011:320902. doi: 10.1155/2011/320902. Epub 2011 Sep 27.
PubMed 21961060Kroenke K, Spitzer RL, Williams JB. The PHQ-9: validity of a brief depression severity measure. J Gen Intern Med. 2001 Sep;16(9):606-13. doi: 10.1046/j.1525-1497.2001.016009606.x.
PubMed 11556941Liu Q, He H, Yang J, Feng X, Zhao F, Lyu J. Changes in the global burden of depression from 1990 to 2017: Findings from the Global Burden of Disease study. J Psychiatr Res. 2020 Jul;126:134-140. doi: 10.1016/j.jpsychires.2019.08.002. Epub 2019 Aug 10.
PubMed 31439359O'Connor EA, Whitlock EP, Beil TL, Gaynes BN. Screening for depression in adult patients in primary care settings: a systematic evidence review. Ann Intern Med. 2009 Dec 1;151(11):793-803. doi: 10.7326/0003-4819-151-11-200912010-00007.
PubMed 19949145Park LT, Zarate CA Jr. Depression in the Primary Care Setting. N Engl J Med. 2019 Feb 7;380(6):559-568. doi: 10.1056/NEJMcp1712493.
PubMed 30726688Posternak MA, Miller I. Untreated short-term course of major depression: a meta-analysis of outcomes from studies using wait-list control groups. J Affect Disord. 2001 Oct;66(2-3):139-46. doi: 10.1016/s0165-0327(00)00304-9.
PubMed 11578666Rohde P, Lewinsohn PM, Klein DN, Seeley JR, Gau JM. Key Characteristics of Major Depressive Disorder Occurring in Childhood, Adolescence, Emerging Adulthood, Adulthood. Clin Psychol Sci. 2013 Jan;1(1):10.1177/2167702612457599. doi: 10.1177/2167702612457599.
PubMed 24273703Siu AL; US Preventive Services Task Force (USPSTF); Bibbins-Domingo K, Grossman DC, Baumann LC, Davidson KW, Ebell M, Garcia FA, Gillman M, Herzstein J, Kemper AR, Krist AH, Kurth AE, Owens DK, Phillips WR, Phipps MG, Pignone MP. Screening for Depression in Adults: US Preventive Services Task Force Recommendation Statement. JAMA. 2016 Jan 26;315(4):380-7. doi: 10.1001/jama.2015.18392.
PubMed 26813211Sobocki P, Jonsson B, Angst J, Rehnberg C. Cost of depression in Europe. J Ment Health Policy Econ. 2006 Jun;9(2):87-98.
PubMed 17007486Steensma C, Loukine L, Orpana H, McRae L, Vachon J, Mo F, Boileau-Falardeau M, Reid C, Choi BC. Describing the population health burden of depression: health-adjusted life expectancy by depression status in Canada. Health Promot Chronic Dis Prev Can. 2016 Oct;36(10):205-213. doi: 10.24095/hpcdp.36.10.01.
PubMed 27768557
Study at a glance
From the registry record, last updated by the sponsor on 22 Sep 2026. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Mobile Screening for Major Depressive Disorder in Adults From an Ethnically and Socioeconomically Diverse Population.
- ClinicalTrials.gov ID
- NCT05989412
- Acronym / sponsor ID
- MOOD / NL84280.078.23
- Conditions
- Major Depressive Disorder
- Keywords
- Randomized controlled trial, Major depressive disorder, Screening intervention, eHealth, Mental health
- Study type
- Interventional
- Recruitment status
- Active, not recruiting
- Enrolment
- 1,786 participants (estimated)
- Lead sponsor
- Erasmus Medical CenterUniversity, hospital or other
- Study start
- 1 Sep 2024 (actual)
- Primary completion
- Mar 2028 (estimated)
- Study completion
- Mar 2028 (estimated)
- First posted
- 14 Aug 2023 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
Major depressive disorder (MDD) is a mental disorder leading to a variety of emotional and physical problems affecting almost 300 million people worldwide. Long-term treatments for MDD, including medication and therapy, imposes a significant financial burden on society. Mobile-based screening interventions might be a promising approach for effectively reducing MDD symptoms. The investigators hypothesize that the mobile-based screening strategy evaluated in this proposal will substantially reduce the burden of MDD over time, increase participants' quality of life, and decrease MDD-related disparities
Detailed description
The MOOD trial is designed as a prospective, randomized controlled multi-arm trial with three parallel groups: an intervention group that will be screened 4-weekly for MDD for 12 months and receives a referral for MDD diagnosis and treatment after one positive test score on the PHQ-9, an intervention group who will be screened the same as the first group but receives a referral for MDD diagnosis and treatment after three consecutive positive test scores on the PHQ-9 and a control group who do not receive mobile-based screening for MDD. Randomization will be performed by the Your Research application as block randomization with a 2:1:1 allocation and stratification for age, gender and living area.
The intervention will be powered to demonstrate an effect on quality of life after 12 months with 80% power at a 5% significance threshold. It assumes that averted MDD will result in a 0.40 improvement in quality of life and that frequent screening will be effective in 40% of participants with MDD. Furthermore, the investigators conservatively assume a cumulative incidence of MDD during 12 months of 10%, based on a three times increased rate of unemployment in the intervention area and therefore three times increased risk of developing MDD. An additional adjustment for an assumed 40% spontaneously remission rate within 12 months was applied. With a correlation coefficient of 0.8, the design effect for using the baseline measurement becomes 0.36. Therefore, 714 people are required in control and combined intervention arms. Yielding a total sample size of 1,428 people (2:1:1 randomization). The intervention will be powered to demonstrate an effect on quality of life with 80% power at a 5% significance threshold. To compensate for the potential 20% differential loss of follow-up in both arms due to adverse events, the investigators aim to recruit an additional 179 participants for the control arm and 179 participants for the intervention arm (1:1 between both intervention groups). To reach the goal this study therefore need 1786 participants.
Participants will follow the individual screening procedure through the application platform Your Research. Participants will be invited to create a secured personal account, after which all participants can log in through a website on their computer/laptop or by installing the Your Research app on their tablet or mobile phone. There will be a variety of platforms provided for additional inquiries about the study process, including video calls, chat options, and phone calls.
Participants will be recruited through different online and offline strategies to encourage citizens' participation according to different cultural backgrounds. Offline recruitment includes in-person interactions with community members referred to be "key figures", posting flyers in GP offices and municipal buildings, video promotion, presentations, and by addressing people personally in public areas. Online recruitment postings will be made on websites, social media networks, and local radio stations.
Interested individuals can enroll by visiting the study website, or by initiating an application procedure through the Your Research app. If preferred, contacting the investigators through phone or email is also possible. Eligible participants will subsequently be provided with the patient information form (PIF) as well as an informed consent form. Participants who complete and return the signed consent form will be enrolled and randomized in the trial. The informed consent procedure is conducted digitally by using ValidSign. After randomization, participants will complete the baseline assessment.
Recruitment will be closely monitored to ensure that the sample size will be reached. If the sample size is attained, inclusion tactics will be discontinued. Furthermore, to ensure that questionnaire assessments are completed and that participants remain in the study, researchers will automatically send reminders via several contact channels based on the participants' preferences (email, push notifications, SMS). Participants will be compensated for their participation at the end of the study. Depending on the study arm and the number of completed questionnaires the participants can earn up to €50 in gift cards. Participants have the option to withdraw from the study at any moment during the trial. Recruitment will take place between January 2024 and December 2024.
Primary and secondary outcome measures for the MOOD study will be collected using mobile-based questionnaires. Data can be collected throughout the study and stored using encrypted digital files within password-protected folders with access limited to a restricted number of researchers. To protect confidentiality, participants will be granted a unique participant identification number upon registration. This number, as well as the associated personal information, is only available to the lead investigator and team members under their supervision. Contact information will be kept separate from any other research data gathered throughout the study. After the study is finished, all data will be safely archived for 15 years within Erasmus Medical Center. Once all outcome data has been collected, it will be exported to a statistics program. Members of the research team will examine and clean the data. All data will be kept and stored in accordance with the Personal Data Protection Act.
Study design
- Primary purpose
- Screening
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Number of arms
- 3
- Model description
- The investigators will randomize 1786 eligible respondents across three arms, in a 2:1:1 fashion. The three arms comprise a control arm, a screening arm with limited participant referral for treatment (after three positive test scores on Patient Health questionnaire-9 (PHQ-9) or suicidal ideation), and a screening arm with standard referral for participants with moderate-severe symptoms of major depression (single positive test score on PHQ-9 questionnaire).
| Arm | Type | Receives |
|---|---|---|
| Control arm | No intervention | –a control arm where the investigators will only measure the quality of life using the EQ-5D questionnaire. This measurement will be performed at the same time as both screening arms. |
| Standard referral | Experimental | Other: Patient health questionnaire-9 via the Your Research applicationa screening arm with standard participant referral for diagnosis at the general practitioner's office (after 1 positive test score on the PHQ-9 questionnaire or suicidal ideation). |
| Limited referral | Experimental | Other: Patient health questionnaire-9 via the Your Research applicationa screening arm with limited participant referral for diagnosis at the general practitioner's office (after three consecutive positive test scores on the PHQ-9 questionnaire or suicidal ideation). |
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (3 listed)
- At least 18 years old Live in Rotterdam Zuid
- Have access to a smartphone or tablet.
- Give informed consent
Key exclusion criteria (1 listed)
- Is currently treated by a psychologist or psychiatrist for depressive symptoms
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Patient health questionnaire-9 via the Your Research applicationBoth intervention arms will have 4-weekly screening with either lenient follow-up or screening with stricter follow-up for a time period of one year. Data will be collected via an app designed by Your Research which runs on Microsoft Azure server, as the primary of participants' response collection. A dedicated backup system will serve as a secondary data collection. | Other | Limited referral, Standard referral |
Primary outcome
Quality of life scores after 12 months
Time frame: 12 months
Primary outcomes of the trial include participants' quality of life after 12 months as measured by the The 5-level EuroQuol-5D (EQ-5D-5L) between two intervention groups and the control group. EQ-5D-5L is being used as a 5-item self-report validated questionnaire for assessing health and health-related quality of life across five core dimensions (5D): mobility, self-care, daily activities, pain/discomfort, and anxiety/depression and has been widely used to measure the quality of life. Items are scored on zero-five levels of severity (5L) for each dimension. Higher scores represent decreased quality of life on that particular day with a minimum score of 5 and a maximum score of 25.
1 secondary outcome
Major depressive disorder symptoms
Time frame: 12 months
Results and safety
This study is still under way. Results are not available in the source record yet.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 22 Sep 2026.
- Background: PubMed 34742925Abdoli N, Salari N, Darvishi N, Jafarpour S, Solaymani M, Mohammadi M, Shohaimi S. The global prevalence of major depressive disorder (MDD) among the elderly: A systematic review and meta-analysis. Neurosci Biobehav Rev. 2022 Jan;132:1067-1073. doi: 10.1016/j.neubiorev.2021.10.041. Epub 2021 Nov 4.
- Background: PubMed 24713453Almeida OP. Prevention of depression in older age. Maturitas. 2014 Oct;79(2):136-41. doi: 10.1016/j.maturitas.2014.03.005. Epub 2014 Mar 22.
- Background: PubMed 33758474Gotlib IH, Goodman SH, Humphreys KL. Studying the Intergenerational Transmission of Risk for Depression: Current Status and Future Directions. Curr Dir Psychol Sci. 2020 Apr 1;29(2):174-179. doi: 10.1177/0963721420901590. Epub 2020 Feb 24.
- Background: PubMed 24996484Hall CA, Reynolds-Iii CF. Late-life depression in the primary care setting: challenges, collaborative care, and prevention. Maturitas. 2014 Oct;79(2):147-52. doi: 10.1016/j.maturitas.2014.05.026. Epub 2014 Jun 7.
- Background: PubMed 30496104GBD 2017 Disease and Injury Incidence and Prevalence Collaborators. Global, regional, and national incidence, prevalence, and years lived with disability for 354 diseases and injuries for 195 countries and territories, 1990-2017: a systematic analysis for the Global Burden of Disease Study 2017. Lancet. 2018 Nov 10;392(10159):1789-1858. doi: 10.1016/S0140-6736(18)32279-7. Epub 2018 Nov 8.
- Background: PubMed 21961060Kalibatseva Z, Leong FT. Depression among Asian Americans: Review and Recommendations. Depress Res Treat. 2011;2011:320902. doi: 10.1155/2011/320902. Epub 2011 Sep 27.
- Background: PubMed 11556941Kroenke K, Spitzer RL, Williams JB. The PHQ-9: validity of a brief depression severity measure. J Gen Intern Med. 2001 Sep;16(9):606-13. doi: 10.1046/j.1525-1497.2001.016009606.x.
- Background: PubMed 31439359Liu Q, He H, Yang J, Feng X, Zhao F, Lyu J. Changes in the global burden of depression from 1990 to 2017: Findings from the Global Burden of Disease study. J Psychiatr Res. 2020 Jul;126:134-140. doi: 10.1016/j.jpsychires.2019.08.002. Epub 2019 Aug 10.
- Background: PubMed 19949145O'Connor EA, Whitlock EP, Beil TL, Gaynes BN. Screening for depression in adult patients in primary care settings: a systematic evidence review. Ann Intern Med. 2009 Dec 1;151(11):793-803. doi: 10.7326/0003-4819-151-11-200912010-00007.
- Background: PubMed 30726688Park LT, Zarate CA Jr. Depression in the Primary Care Setting. N Engl J Med. 2019 Feb 7;380(6):559-568. doi: 10.1056/NEJMcp1712493.
- Background: PubMed 11578666Posternak MA, Miller I. Untreated short-term course of major depression: a meta-analysis of outcomes from studies using wait-list control groups. J Affect Disord. 2001 Oct;66(2-3):139-46. doi: 10.1016/s0165-0327(00)00304-9.
- Background: PubMed 24273703Rohde P, Lewinsohn PM, Klein DN, Seeley JR, Gau JM. Key Characteristics of Major Depressive Disorder Occurring in Childhood, Adolescence, Emerging Adulthood, Adulthood. Clin Psychol Sci. 2013 Jan;1(1):10.1177/2167702612457599. doi: 10.1177/2167702612457599.
- Individual participant dataSharing planned: Yes. Data of participants that did not grant permission to reuse their data for future research will have to be removed. Furthermore, further pseudonymisation and/or aggregation of the pseudonymised dataset would be required to secure the privacy of the participants and avoid indirect identification. The accessibility of the collected data could be important for potential follow-up research of this project and/or similar national/international projects that would like to perform analyses on our data because not much is known yet on the implementation of screening for MDD.
Related trials for Major Depressive Disorder
Not yet recruiting
Preventive and Personalized Digital Emotion Regulation Skills Intervention to Reduce Depression and Anxiety in Youths With Adverse Childhood Experiences
Adverse Childhood Experience, Depression / Major Depressive Disorder
RecruitingPhase 4
Biomarker-Guided Antidepressant Selection
Depression - Major Depressive Disorder, Treatment-resistant Depression (TRD)
Recruiting
Targeting Network Dysfunction in Apathy of Late-life Depression Using Digital Therapeutics
Major Depressive Disorder, Apathy
RecruitingObservational study
Student Precarity and Psychiatry
Depressive Disorder, Major, Generalized Anxiety Disorder
Not yet recruiting
Acute Intermittent Hypoxia Therapy for Depression
Major Depressive Disorder (MDD)
Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Inge de Kok, PhD principal investigator
Erasmus Medical Center
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing Patient health questionnaire-9 via the Your Research application in people with Major Depressive Disorder, run by Erasmus Medical Center at 1 site in Netherlands.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 3 inclusion and 1 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: under way, not looking for participants, as of the sponsor's last update on 22 Sep 2026. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in Netherlands. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
This study is still under way. Results are not available in the source record yet.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Quality of life scores after 12 months (time frame: 12 months). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT05989412, which also lists 18 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 22 Sep 2026.