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Natural History, Pathogenesis and Outcome of Melorheostosis A Rare Osteosclerotic Disease

Study Purpose

Background:

  • - The rare disease melorheostosis causes bones to thicken.
This may lead to pain, and can affect bones, joints, and muscles. Researchers want to learn more about the disease and how it progresses. Objective: -To see what happens to people with melorheostosis over time and understand the causes of the disease. Eligibility:
  • - People 18 and over with melorheostosis.
  • - Their unaffected relatives.
Design:
  • - All participants will have a medical history and physical exam.
  • - Participants who are relatives will give samples of blood or cheek cells.
  • - Other participants will be in the study for about 1 week.
  • - They will have blood and urine collected.
  • - Strength, walking, and range of motion will be measured.
  • - Participants may also have.
  • - X-rays and scans.
  • - A pain and neurological evaluation.
  • - Their skin evaluated by a dermatologist.
  • - A small sample of bone taken.
  • - Nerve conduction studies.
Small electrodes with to wires will be put on the skin. A metal probe will give a small electrical shock.
  • - Electromyography.
A thin needle will be placed into the muscles.
  • - An ultrasound, which uses sound waves to examine the muscles and nerves.
An ultrasound probe will be placed over the skin.
  • - A bone scan.
They will get a small amount of radioactive fluid through a needle in an arm vein. This fluid travels to the bones. The bones will be photographed in a machine.
  • - Bone Densitometry, a low-level x-ray.
  • - Photographs taken.
  • - A small circle of skin removed with a surgical instrument.
  • - Questionnaires about their quality of life.
  • - Participants will be asked to return about every 2 years.
At these visits, participants may have blood and urine tests and x-rays.

Recruitment Criteria

Accepts Healthy Volunteers

Healthy volunteers are participants who do not have a disease or condition, or related conditions or symptoms

 No
Study Type

An interventional clinical study is where participants are assigned to receive one or more interventions (or no intervention) so that researchers can evaluate the effects of the interventions on biomedical or health-related outcomes.


An observational clinical study is where participants identified as belonging to study groups are assessed for biomedical or health outcomes.


Searching Both is inclusive of interventional and observational studies.

 Observational
Eligible Ages 18 Years - 90 Years
Gender All
More Inclusion & Exclusion Criteria

  • -

    INCLUSION CRITERIA:

    All eligible patients are invited to participate in this protocol.
Patients are adults aged > 18 years with possible melorheostosis (suspected or confirmed). Since both men and women are affected with the disease, both sexes will be studied. All ethnic and racial groups are at risk and will be included. Relatives of patients with melorheostosis may be included for genetic testing only.

EXCLUSION CRITERIA:

  • - Pregnant or lactating women.
A pregnancy test is performed in women of childbearing potential (up to age 55) unless they have a history of hysterectomy or tubal ligation.
  • - Children (age less than 18 years) are excluded.
  • - Subjects with severe active infection or other co-morbidities that in the opinion of the investigator would warrant exclusion.
  • - Subjects unable to provide informed consent.

Trial Details

Trial ID:

This trial id was obtained from ClinicalTrials.gov, a service of the U.S. National Institutes of Health, providing information on publicly and privately supported clinical studies of human participants with locations in all 50 States and in 196 countries.

 NCT02504879
Phase

Phase 1: Studies that emphasize safety and how the drug is metabolized and excreted in humans.

Phase 2: Studies that gather preliminary data on effectiveness (whether the drug works in people who have a certain disease or condition) and additional safety data.

Phase 3: Studies that gather more information about safety and effectiveness by studying different populations and different dosages and by using the drug in combination with other drugs.

Phase 4: Studies occurring after FDA has approved a drug for marketing, efficacy, or optimal use.
Lead Sponsor

The sponsor is the organization or person who oversees the clinical study and is responsible for analyzing the study data.

 National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
Principal Investigator

The person who is responsible for the scientific and technical direction of the entire clinical study.

 Sarthak Gupta, M.D.
Principal Investigator Affiliation National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
Agency Class

Category of organization(s) involved as sponsor (and collaborator) supporting the trial.

 NIH
Overall Status Recruiting
Countries United States
Conditions

The disease, disorder, syndrome, illness, or injury that is being studied.

 Rheumatic Disease
Study Website: View Trial Website
Additional Details

Melorheostosis is a rare osteosclerotic disease resulting in exuberant excessive bone growth with a characteristic radiographic appearance often described as dripping candle wax. As a result of these bony formations, patients report mild-moderate pain that interferes with their routine activities. It is usually diagnosed on radiographs but bone biopsy may be performed to exclude other osteosclerotic diseases and/or osteosarcoma. Deformities, limb-length discrepancy, muscle atrophy, neurological deficit have been reported as complications. A subset of patients have somatic mutations in MAP2K1. The cause of this disease is not known in all patients, the natural history poorly described and there is no clearly-defined systemic therapy. We propose a prospective observational study to investigate the natural history and pathogenesis of the disease. Subjects will undergo standardized initial evaluation and medically indicated testing. Skin biopsies may be performed to test for known mutations related to melorheotosis, and if negative affected bone and/or skin may be sent for genetic testing for acquired somatic mutations in genes that control bone homeostasis. Enrolled subjects will be followed every two to three years for assessment of disease progression and receive testing and treatment. The study of this rare bone disease offers the potential to generate new insights, provide answers as well as generate new questions into the biology of the skeletal and mineral metabolism.

Arms & Interventions

Arms

: Melorheostosis patients

Patients aged > 18 years with possible and confirmed melorheostosis.

: Relatives of patients with melorheostosis

Relatives of patients with melorheostosis may be included for genetic testing only.

Interventions

Contact a Trial Team

If you are interested in learning more about this trial, find the trial site nearest to your location and contact the site coordinator via email or phone. We also strongly recommend that you consult with your healthcare provider about the trials that may interest you and refer to our terms of service below.

Bethesda, Maryland

Status

Recruiting

Address

National Institutes of Health Clinical Center

Bethesda, Maryland, 20892

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