Virtual Darkness as Additive Treatment in Mania

Status Completed

Clinical Trial Summary

In this randomized controlled study we will investigate the effect of blue-blocking goggles or screens (virtual darkness therapy) on manic symptoms in bipolar disorder compared to placebo. This 3-armed study includes 2 patient-groups and a non-bipolar control-group. The main hypothesis is that virtual darkness therapy is effective as additive treatment in mania.Other hypotheses are that virtual darkness therapy has significant effects on sleep, motor activity, circadian rhythm and mood also in the non-bipolar control-group.

Clinical Trial Description

Recent discoveries in neurophysiology has shown that "virtual darkness" is achievable by blocking blue wavelengths of light (Phelps, 2007). A newly discovered retinal photoreceptor called the Intrinsically photoresponsive retinal ganglion-cell (IpRGC) whose fibers directly synapses with the suprachiasmatic nucleus (SCN), responds only to a narrow band of wavelengths with highest sensitivity between 446 and 484 nm (Brainard et al., 2001; Berson 2007). Amber tinted goggles preserve normal nocturnal melatonin levels in light environments, which means that blocking of the blue wavelengths is perceived as virtual darkness to the SCN (Kayumov, 2005; Sasseville, 2006).

In this randomized controlled study we will investigate the effect of blue-blocking goggles or screens (virtual darkness therapy) on manic symptoms in bipolar disorder compared to placebo. The general feasibility of the method both in research and treatment will be evaluated. This is a multi-site study covering Helse Fonna Local Health Authority's catchment area wich serves a population of 120000 adults. This 3-armed study includes 2 patient-groups and a non-bipolar control-group. The main hypothesis is that virtual darkness therapy is effective as additive treatment in mania.Other hypotheses are that virtual darkness therapy has significant effects on sleep, motor activity, circadian rhythm and mood also in the non-bipolar control-group. The study may contribute to develop a supplement to the current treatment in mania and may also generate new hypotheses about the underlying pathophysiological mechanisms in bipolar disorder. ;

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Single Blind (Subject), Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT01818622
Study type	Interventional
Source	Helse Fonna
Contact
Status	Completed
Phase	N/A
Start date	February 2012
Completion date	March 2015

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Virtual Darkness as Additive Treatment in Mania — VATMAN

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms