NCT00963638

Brief Summary

The goal of this study is to evaluate the effectiveness of magnesium supplements (MagTabSR 168 mgs twice daily) for relief and/or improvement in the frequency, duration, and intensity of chronic leg cramps. Improvement in sleep disturbances and quality of life will also be evaluated.

Trial Health

100
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
40

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started Apr 2009

Shorter than P25 for not_applicable

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

April 1, 2009

Completed
5 months until next milestone

First Submitted

Initial submission to the registry

August 18, 2009

Completed
3 days until next milestone

First Posted

Study publicly available on registry

August 21, 2009

Completed
2 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 1, 2009

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

November 1, 2009

Completed
1.6 years until next milestone

Results Posted

Study results publicly available

June 13, 2011

Completed
Last Updated

October 1, 2012

Status Verified

September 1, 2012

Enrollment Period

7 months

First QC Date

August 18, 2009

Results QC Date

April 19, 2011

Last Update Submit

September 19, 2012

Conditions

Outcome Measures

Primary Outcomes (2)

  • Change in Frequency of Leg Cramps

    Patients recorded number of leg cramps daily. The primary outcome measure was changed to the weekly average number of daily leg cramps for the first 28 days (4 weeks) after the start of treatment compared to the week prior to treatment (week 4 - pretreatment baseline).

    30 days

  • Frequency/Duration of Muscle Cramps

    30 days

Study Arms (2)

MagTabSR

EXPERIMENTAL
Dietary Supplement: MagTabSR

Sugar Pill

PLACEBO COMPARATOR
Dietary Supplement: Placebo

Interventions

MagTabSRDIETARY_SUPPLEMENT

MagTabSR/placebo 168 mgs BID for 6 six weeks

MagTabSR
PlaceboDIETARY_SUPPLEMENT

MagTabSR/placebo 168 mgs BID for 6 six weeks

Sugar Pill

Eligibility Criteria

Age40 Years - 85 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Years Old
  • No Kidney Impairment
  • or more leg cramps per week for last 30 days

You may not qualify if:

  • \< 40 or \> 85 Years Old
  • Kidney Impairment
  • \< 2 leg cramps per week for last 30 days
  • Enrolled in another research study
  • History of seizure disorder
  • Current treatment with Lithium
  • Malabsorption or major intestinal disorders
  • Significantly elevated magnesium level
  • History of allergy to magnesium compound
  • Use of Quinine for leg cramps
  • History of significant diarrhea
  • History of drug or alcohol abuse in the last 2 years
  • Currently diagnosed with a terminal illness

Contact the study team to confirm eligibility.

Sponsors & Collaborators

MeSH Terms

Conditions

Muscle Cramp

Condition Hierarchy (Ancestors)

Muscular DiseasesMusculoskeletal DiseasesNeuromuscular ManifestationsNeurologic ManifestationsNervous System DiseasesSigns and SymptomsPathological Conditions, Signs and Symptoms

Results Point of Contact

Title
Catherine Coleman, RN, BSN
Organization
William Beaumont Hospitals

Study Officials

  • Lewis Rosenbaum, MD

    Physician

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
No
Restrictive Agreement
No

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
PRINCIPAL INVESTIGATOR
PI Title
Principal Investigator

Study Record Dates

First Submitted

August 18, 2009

First Posted

August 21, 2009

Study Start

April 1, 2009

Primary Completion

November 1, 2009

Study Completion

November 1, 2009

Last Updated

October 1, 2012

Results First Posted

June 13, 2011

Record last verified: 2012-09