ClinicalTrials.gg
CompletedNCT03000777MELATOZINCUpdated Aug 9, 2018

Oral Melatonin Plus Zinc Supplementation in Chronic Fatigue Syndrome/Myalgic Encephalomyelitis (CFS/ME)

An interventional study of melatonin plus zinc and Placebo in Fatigue Syndrome, Chronic and Myalgic Encephalomyelitis, sponsored by Laboratorios Viñas, S.A.. Completed at 1 site in Spain. Open to female participants aged 18 Years to 65 Years. Per ClinicalTrials.gov, last updated 2018-08-09.

Sponsored by Laboratorios Viñas, S.A. · Not applicable, Interventional, and Treatment

Phase
Not applicable
Study type
Interventional
Enrollment
60
Allocation
Randomized
Ages
18 Years to 65 Years
Sex
Female
01

Study summary

The purpose of this study is to evaluate the effects of oral melatonin plus zinc supplementation in relieving self-reported fatigue in CFS/ME

Read the detailed description

Chronic Fatigue Syndrome/Myalgic Encephalomyelitis (CFS/ME) is a complex medical condition, characterized by severe disabling fatigue with no known cause, no established diagnostic tests, and no universally effective treatment. No studies have evaluated symptomatic treatment using oral melatonin plus zinc supplementation in CFS/ME. The primary endpoint was to assess the effect of melatonin plus zinc supplementation on self-reported fatigue. Secondary measures included self-reported outcomes of sleep problems, anxiety/depression, dysautonomia, QoL and side-effects during treatment.

02

Conditions studied

  • Fatigue Syndrome, Chronic
  • Myalgic Encephalomyelitis

Keywords

  • melatonin
  • zinc
  • Myalgic Encephalomyelitis
  • Chronic Fatigue Syndrome
  • sleep
  • pain
03

In context

Fatigue Syndrome, Chronic

263 studies on the registry are indexed under Fatigue Syndrome, Chronic; 61 are open to participants now.

This study's enrollment of 60 is close to the median of 60 across 177 interventional studies indexed under Fatigue Syndrome, Chronic.

Browse Fatigue Syndrome, Chronic studies →

Lead sponsor

Laboratorios Viñas, S.A. is the lead sponsor of 2 studies on the registry; none are open to participants now.

Counted across the registry records on this site, refreshed daily.

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Who can participate

Ages eligible
18 Years to 65 Years
Sexes eligible
Female
Accepts healthy volunteers
No

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • CFS patient based on the 1994 Centers for Disease Control and Prevention/Fukuda definition.
  • Patient who provided signed .

Exclusion criteria

Exclusion Criteria:

  • Patients who are participating in another clinical trial of the same or different nature previous 30 days prior to inclusion.
  • Any subject that, in the judgment of the investigator, is not able to follow the instructions or to perform a good completion of the treatment.
  • Subjects that do not provide signed .
  • Patients who are receiving any of the drugs or products that may interfere with the results, and whose withdrawal could be a relevant medical problem.
  • Patients receiving oral anticoagulants.
  • Pregnancy or lactation
  • Patients with to melatonin and/or zinc.
Terms in these criteria, in plain language(2)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

Informed consent

Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.

You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.

Hypersensitivity

An allergy, or another reaction of the immune system, to a substance. “Hypersensitivity to the study drug” means a known allergic reaction to it — not every side effect a medicine can have.

05

Study design

Phase
Not applicable
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Double (Participant, Investigator)
Enrollment
60 participants (actual)

Study arms

  • Experimental
    Melatonin plus Zinc

    Melatonin plus Zinc

    Dietary Supplement: melatonin plus zinc

  • Placebo comparator
    Placebo

    Isomaltose

    Other: Placebo

Interventions

  • Dietary supplementmelatonin plus zinc

    Drug pages: Melatonin · Zinc

    Melatonin 1 mg plus Zinc 10 mg o.d. 1 hour before going to bed during 16 weeks

    Also known as: MelatoZinc

  • OtherPlacebo

    Isomaltose o.d. 1 hour before going to bed during 16 weeks

    Also known as: Control

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What researchers measure

Primary outcomes

  1. To evaluate relieving self-reported fatigue using the Fatigue Impact Scale 40-items (FIS 40) questionnaire after oral melatonin plus zinc administration

    Time frame: within the first 16 weeks (plus 4 weeks with no treatment)

Secondary outcomes

  1. Side effects during treatment.

    Time frame: within the first 16 weeks (plus 4 weeks with no treatment)

  2. Self-reported sleep quality through the Pittsburgh Sleep Quality Index (PSQI) questionnaire.

    Time frame: within the first 16 weeks (plus 4 weeks with no treatment)

  3. Self-reported anxiety/depression through the Hospital Anxiety and Depression Scale (HADS) questionnaire.

    Time frame: within the first 16 weeks (plus 4 weeks with no treatment)

  4. Self-reported dysautonomia using the Composite Autonomic Symptom Score 31-items (COMPASS 31) questionnaire.

    Time frame: within the first 16 weeks (plus 4 weeks with no treatment)

  5. Self-reported QoL through the Short Form Health Survey 36-items (SF-36) questionnaire.

    Time frame: within the first 16 weeks (plus 4 weeks with no treatment)

07

Study locations

1 site
  • Vall d'Hebron University Hospital
    Barcelona, 08035, Spain
08

References and documents

Publications

  • Castro-Marrero J, Cordero MD, Saez-Francas N, Jimenez-Gutierrez C, Aguilar-Montilla FJ, Aliste L, Alegre-Martin J. Could mitochondrial dysfunction be a differentiating marker between chronic fatigue syndrome and fibromyalgia? Antioxid Redox Signal. 2013 Nov 20;19(15):1855-60. doi: 10.1089/ars.2013.5346. Epub 2013 May 29. PubMed 23600892 ↗
  • Castro-Marrero J, Cordero MD, Segundo MJ, Saez-Francas N, Calvo N, Roman-Malo L, Aliste L, Fernandez de Sevilla T, Alegre J. Does oral coenzyme Q10 plus NADH supplementation improve fatigue and biochemical parameters in chronic fatigue syndrome? Antioxid Redox Signal. 2015 Mar 10;22(8):679-85. doi: 10.1089/ars.2014.6181. Epub 2014 Dec 18. PubMed 25386668 ↗
  • Castro-Marrero J, Saez-Francas N, Segundo MJ, Calvo N, Faro M, Aliste L, Fernandez de Sevilla T, Alegre J. Effect of coenzyme Q10 plus nicotinamide adenine dinucleotide supplementation on maximum heart rate after exercise testing in chronic fatigue syndrome - A randomized, controlled, double-blind trial. Clin Nutr. 2016 Aug;35(4):826-34. doi: 10.1016/j.clnu.2015.07.010. Epub 2015 Jul 17. PubMed 26212172 ↗
  • Saez-Francas N, Calvo N, Alegre J, Castro-Marrero J, Ramirez N, Hernandez-Vara J, Casas M. Childhood trauma in Chronic Fatigue Syndrome: focus on personality disorders and psychopathology. Compr Psychiatry. 2015 Oct;62:13-9. doi: 10.1016/j.comppsych.2015.06.010. Epub 2015 Jun 17. PubMed 26343462 ↗
  • Faro M, Saez-Francas N, Castro-Marrero J, Aliste L, Fernandez de Sevilla T, Alegre J. Gender differences in chronic fatigue syndrome. Reumatol Clin. 2016 Mar-Apr;12(2):72-7. doi: 10.1016/j.reuma.2015.05.007. Epub 2015 Jul 17. English, Spanish. PubMed 26190206 ↗
  • Calvo N, Saez-Francas N, Valero S, Alegre J, Casas M. Comorbid personality disorders in chronic fatigue syndrome patients: a marker of psychopathological severity. Actas Esp Psiquiatr. 2015 Mar-Apr;43(2):58-65. Epub 2015 Mar 1. PubMed 25812543 ↗
  • Faro M, Alegre J. [Fibromyalgia as a comorbid phenomenon in autoinflammatory diseases]. Med Clin (Barc). 2015 Jun 8;144(11):525. doi: 10.1016/j.medcli.2014.07.033. Epub 2014 Nov 26. No abstract available. Spanish. PubMed 25433788 ↗
  • Santamarina-Perez P, Eiroa-Orosa FJ, Rodriguez-Urrutia A, Qureshi A, Alegre J. Neuropsychological impairment in female patients with chronic fatigue syndrome: a preliminary study. Appl Neuropsychol Adult. 2014;21(2):120-7. doi: 10.1080/09084282.2013.771264. Epub 2013 Aug 13. PubMed 24826505 ↗
  • Saez-Francas N, Valero S, Calvo N, Goma-I-Freixanet M, Alegre J, de Sevilla TF, Casas M. Chronic fatigue syndrome and personality: a case-control study using the Alternative Five Factor Model. Psychiatry Res. 2014 May 30;216(3):373-8. doi: 10.1016/j.psychres.2014.02.031. Epub 2014 Mar 3. PubMed 24630915 ↗
  • Docampo E, Escaramis G, Gratacos M, Villatoro S, Puig A, Kogevinas M, Collado A, Carbonell J, Rivera J, Vidal J, Alegre J, Estivill X, Rabionet R. Genome-wide analysis of single nucleotide polymorphisms and copy number variants in fibromyalgia suggest a role for the central nervous system. Pain. 2014 Jun;155(6):1102-1109. doi: 10.1016/j.pain.2014.02.016. Epub 2014 Feb 26. PubMed 24582949 ↗
  • Faro M, Saez-Francas N, Castro-Marrero J, Aliste L, Collado A, Alegre J. [Impact of the fibromyalgia in the chronic fatigue syndrome]. Med Clin (Barc). 2014 Jun 16;142(12):519-25. doi: 10.1016/j.medcli.2013.06.030. Epub 2014 Jan 2. Spanish. PubMed 24387955 ↗
  • Blazquez A, Ruiz E, Aliste L, Garcia-Quintana A, Alegre J. The effect of fatigue and fibromyalgia on sexual dysfunction in women with chronic fatigue syndrome. J Sex Marital Ther. 2015;41(1):1-10. doi: 10.1080/0092623X.2013.864370. Epub 2014 Mar 11. PubMed 24274008 ↗
  • Valero S, Saez-Francas N, Calvo N, Alegre J, Casas M. The role of neuroticism, perfectionism and depression in chronic fatigue syndrome. A structural equation modeling approach. Compr Psychiatry. 2013 Oct;54(7):1061-7. doi: 10.1016/j.comppsych.2013.04.015. Epub 2013 Jun 5. PubMed 23759150 ↗
  • Curriu M, Carrillo J, Massanella M, Rigau J, Alegre J, Puig J, Garcia-Quintana AM, Castro-Marrero J, Negredo E, Clotet B, Cabrera C, Blanco J. Screening NK-, B- and T-cell phenotype and function in patients suffering from Chronic Fatigue Syndrome. J Transl Med. 2013 Mar 20;11:68. doi: 10.1186/1479-5876-11-68. PubMed 23514202 ↗
  • Castro-Marrero J, Zaragoza MC, Lopez-Vilchez I, Galmes JL, Cordobilla B, Maurel S, Domingo JC, Alegre-Martin J. Effect of Melatonin Plus Zinc Supplementation on Fatigue Perception in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome: A Randomized, Double-Blind, Placebo-Controlled Trial. Antioxidants (Basel). 2021 Jun 23;10(7):1010. doi: 10.3390/antiox10071010. PubMed 34201806 ↗

Individual participant data

Plan to share: No

09

Timeline

Tracking since Sep 25, 2026
Not marked actual or estimatedDates not marked actual or estimated

The record gives a start of Feb 2016, a primary completion of Jul 2017 and a completion of Sep 2017. It does not say whether these dates are actual or estimated.

How these figures are worked out, and which studies are left out of them.

Registered
Dec 19, 2016
First posted
Dec 22, 2016
Start
Feb 2016
Primary completionActual
Jul 2017
CompletionActual
Sep 2017
Last update
Aug 9, 2018
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on Aug 9, 2018, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT03000777
Lead sponsor
Laboratorios Viñas, S.A.
Collaborators
Hospital Vall d'Hebron, Laboratorio Echevarne
Responsible party
Sponsor
First posted
Dec 22, 2016
Start date
Feb 2016
Primary completion
Jul 2017
Completion
Sep 2017
Last update
Aug 9, 2018

Study contacts

José Alegre, MD; PhD
principal investigator · Vall d'Hebron University Hospital

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Aug 2018. You cannot join it, but the record below documents what was studied.

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Discussion

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Studies of the drugs tested here: Melatonin · Zinc

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