From Prevention to Treatment: How Biological Rhythms Can Maintain Perinatal Mental Health
Innovations in Biological Rhythms in the Context of Mental Health: Effectiveness of New Technologies and Exposure to Different Lighting Patterns in Women During the Postpartum Period
1 other identifier
interventional
150
1 country
1
Brief Summary
Depression and anxiety are significant public health issues during pregnancy and the postnatal period, particularly affecting those in developing countries. Disruptions in biological rhythms, sleep problems, and low exposure to daylight are associated with a higher risk of these mental health issues. The perinatal period poses unique challenges to the temporal program, with evidence indicating that sleep disturbances significantly increase the risk of postnatal depression. A Randomised Clinical Trial (RCT) is being conducted to assess the effectiveness of Blue Light Therapy (BlueLT) in treating depressive and anxiety symptoms during the postpartum. The RCT will also investigate the alignment of rest-activity and internal body time as mediating factors. This study will focus on various chronobiological factors, including rest-activity rhythms, light exposure levels, temperature rhythms, sleep duration and phase, social jetlag, and BodyTime (assessed through a single blood sample). The goal is to recruit 50 women with postpartum depression, with 25 in the BlueLT intervention group and 25 in the ControlLT placebo group, alongside 100 healthy controls. The BlueLT device uses a short-wavelength LED lamp mainly composed by a wavelength peak on blue spectrum, while the ControlLT device has a dim long-wavelength LED. A Healthy Control group will also be included to account for changes unrelated to depression diagnosis or placebo/treatment effects. Exclusion criteria involve a history of major depressive or anxiety disorder, current psychotic disorder, night shift work, active suicidal thoughts, unstable medical conditions interfering with data collection, and newborns with severe health conditions. The study aims to evaluate the impact of BlueLT on postpartum depression and understand the role of chronobiological factors in the health/disease process.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for not_applicable
Started Jan 2024
Longer than P75 for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
January 4, 2024
CompletedFirst Submitted
Initial submission to the registry
January 30, 2024
CompletedFirst Posted
Study publicly available on registry
February 7, 2024
CompletedPrimary Completion
Last participant's last visit for primary outcome
May 1, 2027
ExpectedStudy Completion
Last participant's last visit for all outcomes
May 1, 2027
December 3, 2025
November 1, 2025
3.3 years
January 30, 2024
November 25, 2025
Conditions
Outcome Measures
Primary Outcomes (2)
Depressive symptoms
The EDPS was developed to identify women who may have postpartum depression. This scale consists of 10 short statements. The participant checks off one of four possible answers that is closest to how she has felt during the past week. Responses are scored 0, 1, 2 and 3 based on the seriousness of the symptom. Items 3, 5 to 10 are reverse scored (i.e., 3, 2, 1, and 0). The total score is found by adding together the scores for each of the 10 items. A total score higher than 10 indicate the presence of depressive symptoms. A reduction in depressive symptoms clinically significant (outcome measure) will consist in a minimum difference of 4 points on the EPDS.
From enrollment to the end of treatment at 4 weeks
Anxiety symptoms
The General Anxiety Disorder 7-item scale (GAD-7) is one of the tools used to screen for anxiety or to measure its severity. Total score is calculated by assigning scores of 0, 1, 2, and 3 to the response categories, respectively, of "not at all," "several days," "more than half the days," and "nearly every day." Ranging from 0 to 21, the following threshold were previously proposed: 0-4 (minimal anxiety); 5-9 (mild anxiety); 10-14 (moderate anxiety); 15-21 (severe anxiety). A reduction in anxiety symptoms clinically significant (outcome measure) will consist in a minimum difference of 4 points on the GAD-7.
From enrollment to the end of treatment at 4 weeks
Study Arms (3)
BlueLT
ACTIVE COMPARATORParticipants with depressive and/or anxiety symptoms that will receive the interventional light (BlueLT)
ControlLT
SHAM COMPARATORParticipants with depressive and/or anxiety symptoms that will receive the placebo light (ControlLT)
Healthy control
NO INTERVENTIONParticipants without depressive and/or anxiety symptoms
Interventions
The BlueLT device is equipped with a narrow band short wavelength Light Emitting Diode (LED) - wavelength peak(λp) of \~470 nm (blue).
The ControlLT (placebo) device is equipped with a dim long-wavelength enriched LED.
Eligibility Criteria
You may qualify if:
- weeks postpartum;
- Postnatal depression confirmed through Edinburgh Postnatal Depression Scale (EPDS) \> 10;
- Mini-International Neuropsychiatric Interview (M.I.N.I.) positive for current depressive episode.
You may not qualify if:
- Active suicidal ideation;
- Psychotic symptoms;
- Unstable general medical conditions that interfere with the acquisition of actigraphy;
- Newborn with severe health conditions (hospitalization, care in the neonatal ICU).
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Hospital de ClĂnicas de Porto Alegre
Porto Alegre, Rio Grande do Sul, 90410-000, Brazil
Related Publications (18)
Tonon AC, Constantino DB, Amando GR, Abreu AC, Francisco AP, de Oliveira MAB, Pilz LK, Xavier NB, Rohrsetzer F, Souza L, Piccin J, Caye A, Petresco S, Manfro PH, Pereira R, Martini T, Kohrt BA, Fisher HL, Mondelli V, Kieling C, Hidalgo MPL. Sleep disturbances, circadian activity, and nocturnal light exposure characterize high risk for and current depression in adolescence. Sleep. 2022 Jul 11;45(7):zsac104. doi: 10.1093/sleep/zsac104.
PMID: 35522984BACKGROUNDRoenneberg T, Foster RG, Klerman EB. The circadian system, sleep, and the health/disease balance: a conceptual review. J Sleep Res. 2022 Aug;31(4):e13621. doi: 10.1111/jsr.13621. Epub 2022 Jun 7.
PMID: 35670313BACKGROUNDHidalgo MP, Caumo W, Posser M, Coccaro SB, Camozzato AL, Chaves ML. Relationship between depressive mood and chronotype in healthy subjects. Psychiatry Clin Neurosci. 2009 Jun;63(3):283-90. doi: 10.1111/j.1440-1819.2009.01965.x.
PMID: 19566758BACKGROUNDXavier NB, Abreu ACVO, Amando GR, Steibel EG, Pilz LK, Freitas JJ, da Silveira Cruz-Machado S, Markus RP, Frey BN, Hidalgo MP. Chronobiological parameters as predictors of early treatment response in major depression. J Affect Disord. 2023 Feb 15;323:679-688. doi: 10.1016/j.jad.2022.12.002. Epub 2022 Dec 5.
PMID: 36481230BACKGROUNDKramer A, Lange T, Spies C, Finger AM, Berg D, Oster H. Foundations of circadian medicine. PLoS Biol. 2022 Mar 24;20(3):e3001567. doi: 10.1371/journal.pbio.3001567. eCollection 2022 Mar.
PMID: 35324893BACKGROUNDKrawczak EM, Minuzzi L, Simpson W, Hidalgo MP, Frey BN. Sleep, daily activity rhythms and postpartum mood: A longitudinal study across the perinatal period. Chronobiol Int. 2016;33(7):791-801. doi: 10.3109/07420528.2016.1167077. Epub 2016 Apr 20.
PMID: 27097327BACKGROUNDSlyepchenko A, Minuzzi L, Reilly JP, Frey BN. Longitudinal Changes in Sleep, Biological Rhythms, and Light Exposure From Late Pregnancy to Postpartum and Their Impact on Peripartum Mood and Anxiety. J Clin Psychiatry. 2022 Jan 18;83(2):21m13991. doi: 10.4088/JCP.21m13991.
PMID: 35044728BACKGROUNDPilz LK, Carissimi A, Francisco AP, Oliveira MAB, Slyepchenko A, Epifano K, Garay LLS, Fabris RC, Scop M, Streiner DL, Hidalgo MP, Frey BN. Prospective Assessment of Daily Patterns of Mood-Related Symptoms. Front Psychiatry. 2018 Aug 21;9:370. doi: 10.3389/fpsyt.2018.00370. eCollection 2018.
PMID: 30186188BACKGROUNDPilz LK, Keller LK, Lenssen D, Roenneberg T. Time to rethink sleep quality: PSQI scores reflect sleep quality on workdays. Sleep. 2018 May 1;41(5). doi: 10.1093/sleep/zsy029.
PMID: 29420828BACKGROUNDPilz LK, Carissimi A, Oliveira MAB, Francisco AP, Fabris RC, Medeiros MS, Scop M, Frey BN, Adan A, Hidalgo MP. Rhythmicity of Mood Symptoms in Individuals at Risk for Psychiatric Disorders. Sci Rep. 2018 Jul 30;8(1):11402. doi: 10.1038/s41598-018-29348-z.
PMID: 30061722BACKGROUNDConstantino DB, Xavier NB, Levandovski R, Roenneberg T, Hidalgo MP, Pilz LK. Relationship Between Circadian Strain, Light Exposure, and Body Mass Index in Rural and Urban Quilombola Communities. Front Physiol. 2022 Jan 26;12:773969. doi: 10.3389/fphys.2021.773969. eCollection 2021.
PMID: 35153809BACKGROUNDPilz LK, Xavier NB, Levandovski R, Oliveira MAB, Tonon AC, Constantino DB, Machado V, Roenneberg T, Hidalgo MP. Circadian Strain, Light Exposure, and Depressive Symptoms in Rural Communities of Southern Brazil. Front Netw Physiol. 2022 Jan 26;1:779136. doi: 10.3389/fnetp.2021.779136. eCollection 2021.
PMID: 36925579BACKGROUNDPilz LK, de Oliveira MAB, Steibel EG, Policarpo LM, Carissimi A, Carvalho FG, Constantino DB, Tonon AC, Xavier NB, da Rosa Righi R, Hidalgo MP. Development and testing of methods for detecting off-wrist in actimetry recordings. Sleep. 2022 Aug 11;45(8):zsac118. doi: 10.1093/sleep/zsac118.
PMID: 35598321BACKGROUNDComiran Tonon A, Pilz LK, Amando GR, Constantino DB, Boff Borges R, Caye A, Rohrsetzer F, Souza L, Fisher HL, Kohrt BA, Mondelli V, Kieling C, Idiart M, Diez-Noguera A, Hidalgo MP. Handling missing data in rest-activity time series measured by actimetry. Chronobiol Int. 2022 Jul;39(7):964-975. doi: 10.1080/07420528.2022.2051714. Epub 2022 Mar 30.
PMID: 35350931BACKGROUNDLevandovski R, Dantas G, Fernandes LC, Caumo W, Torres I, Roenneberg T, Hidalgo MP, Allebrandt KV. Depression scores associate with chronotype and social jetlag in a rural population. Chronobiol Int. 2011 Nov;28(9):771-8. doi: 10.3109/07420528.2011.602445. Epub 2011 Sep 6.
PMID: 21895489BACKGROUNDAllebrandt KV, Teder-Laving M, Cusumano P, Frishman G, Levandovski R, Ruepp A, Hidalgo MPL, Costa R, Metspalu A, Roenneberg T, De Pitta C. Identifying pathways modulating sleep duration: from genomics to transcriptomics. Sci Rep. 2017 Jul 4;7(1):4555. doi: 10.1038/s41598-017-04027-7.
PMID: 28676676BACKGROUNDAlves Braga de Oliveira M, de Mendonca Filho EJ, Carissimi A, Lima Dos Santos Garay L, Scop M, Ruschel Bandeira D, Gutierrez Carvalho F, Mathur S, Epifano K, Adan A, Frey BN, Hidalgo MP. The Revised Mood Rhythm Instrument: A Large Multicultural Psychometric Study. J Clin Med. 2021 Jan 20;10(3):388. doi: 10.3390/jcm10030388.
PMID: 33498431BACKGROUNDWittenbrink N, Ananthasubramaniam B, Munch M, Koller B, Maier B, Weschke C, Bes F, de Zeeuw J, Nowozin C, Wahnschaffe A, Wisniewski S, Zaleska M, Bartok O, Ashwal-Fluss R, Lammert H, Herzel H, Hummel M, Kadener S, Kunz D, Kramer A. High-accuracy determination of internal circadian time from a single blood sample. J Clin Invest. 2018 Aug 31;128(9):3826-3839. doi: 10.1172/JCI120874. Epub 2018 Aug 6.
PMID: 29953415BACKGROUND
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Maria Paz L Hidalgo
+555133596339
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- TRIPLE
- Who Masked
- PARTICIPANT, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
January 30, 2024
First Posted
February 7, 2024
Study Start
January 4, 2024
Primary Completion (Estimated)
May 1, 2027
Study Completion (Estimated)
May 1, 2027
Last Updated
December 3, 2025
Record last verified: 2025-11
Data Sharing
- IPD Sharing
- Will not share