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Dark therapy for mania: a pilot study
Barbara Barbini1, Francesco Benedetti, Cristina Colombo
1Department of Neuropsychiatric Sciences, Istituto Scientifico Universitario Ospedale San Raffaele, Milano, Italy.
Background:
Recent findings suggest that extended bed rest and darkness could stabilize mood swings in rapid cycling bipolar patients.
Method:
We exposed 16 bipolar inpatients affected by a manic episode to a regimen of 14 h of enforced darkness from 6 p.m. to 8 a.m. each night for three consecutive days [dark therapy (DT)]. Pattern of mood changes were recorded with the Young Mania Rating Scale (YMRS) and compared with a control group of 16 inpatients matched for age, sex, age at onset, number of previous illness episodes and duration of current episode, and were treated with therapy as usual (TAU).
Results:
Adding DT to TAU resulted in a significantly faster decrease of YMRS scores when patients were treated within 2 weeks from the onset of the current manic episode. When duration of current episode was longer, DT had no effect. Follow-up confirmed that good responders needed a lower dose of antimanic drugs and were discharged earlier from the hospital.
Conclusions:
Chronobiological interventions and control of environmental stimuli can be a useful add-on for the treatment of acute mania in a hospital setting.
Insights
Dark therapy (DT), a chronobiological intervention, significantly improved mania symptoms in bipolar patients when initiated early. This treatment may reduce medication needs and hospital stays for early-stage manic episodes.
Area of Science:
- Chronobiology
- Psychiatry
- Bipolar Disorder Research
Background:
- Bipolar disorder is characterized by mood swings.
- Rapid cycling bipolar patients may benefit from environmental interventions.
- Extended bed rest and darkness show potential for mood stabilization.
Purpose of the Study:
- To investigate the efficacy of dark therapy (DT) as an add-on treatment for acute mania.
- To compare DT combined with therapy as usual (TAU) against TAU alone.
- To assess the impact of DT on mood changes and treatment outcomes.
Main Methods:
- 16 bipolar inpatients with manic episodes received 14 hours of nightly enforced darkness for three days (DT).
- Mood changes were assessed using the Young Mania Rating Scale (YMRS).
- A control group of 16 matched inpatients received TAU.
Main Results:
- DT combined with TAU led to a faster decrease in YMRS scores for manic episodes within two weeks of onset.
- DT showed no significant effect on mania when the episode duration exceeded two weeks.
- Early responders to DT required lower antimanic drug doses and had shorter hospitalizations.
Conclusions:
- Chronobiological interventions, such as DT, can be a valuable addition to acute mania treatment in hospitals.
- Controlling environmental stimuli is a promising strategy for managing manic episodes.
- Early intervention with DT may optimize treatment outcomes for bipolar mania.
