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NCT04114084 · Michael Tomasson

Sleep Apnea in Patients With MGUS and MM

What this study is about

This study involves patients with plasma cell dyscrasia including monoclonal gammopathy of undetermined significance (MGUS) or multiple myeloma (MM), with and without sleep apnea, who are providing bone marrow specimens. Specimens will be obtained at the time that patients undergo a standard-of-care procedure in order to minimize discomfort and reduce any risk.

View original scientific description

This study involves patients with plasma cell dyscrasia including monoclonal gammopathy of undetermined significance (MGUS) or multiple myeloma (MM), with and without sleep apnea, who are providing bone marrow specimens. Specimens will be obtained at the time that patients undergo a standard-of-care procedure in order to minimize discomfort and reduce any risk.

Interventions

PROCEDURE

Bone Marrow Aspirate and Biopsy

The aspirate sample obtained for research at the time a standard-of-care biopsy is taking place will be approximately 40cc. Bone marrow aspiration removes bone marrow fluid and cells through a needle placed into the bone. Usually this sample is taken from the back of the pelvic bone, but it may also be taken from the sternum or the front of the pelvic bone. A bone marrow biopsy removes bone with the marrow inside and is done prior to the aspirate. Each biopsy and aspirate procedure takes approximately 15 minutes total. Bone marrow aspirate may be collected in a separate tube for research or collected from the standard-of-care specimen with left-over aspirate not otherwise needed for clinical purposes, or from previous procedures.

Primary outcome measures

To quantify the incidence of sleep apnea and sleep disorder in patients with MGUS and MM

Time frame: From study initiation up to 5 years

To compare gene expression in bone marrow stroma of MGUS and MM patients, with and without sleep apnea, and following sleep apnea treatment.

Time frame: From study initiation up to 5 years

Who can participate

This study lists these criteria on ClinicalTrials.gov. A study coordinator reviews eligibility during screening — this page does not determine whether you qualify.

Inclusion criteria

  • Patients diagnosed with MGUS or MM who will be receiving a bone marrow biopsy as part of their standard of care are eligible to participate in this study

Where

  • Iowa City, Iowa

Collaborators

Department of Health and Human Services

Related conditions & keywords

Multiple MyelomaMonoclonal Gammopathy of Undetermined Significance

Frequently asked questions

What is a clinical trial?

A clinical trial is a research study that tests new medical treatments, drugs, devices, or procedures to determine their safety and effectiveness. Trials are carefully designed and monitored to protect participants while advancing medical knowledge.

Is it safe to participate?

Clinical trials follow strict safety guidelines and ethical standards. Trials must be reviewed and approved, and participants are closely monitored by medical professionals throughout the study. You can withdraw at any time if you choose.

Will I be compensated?

Many clinical trials offer compensation for your time, travel expenses, and inconvenience. The specific compensation varies by study and will be discussed during the screening process. All study-related medical care is typically provided at no cost to participants.

Will I receive a placebo instead of treatment?

When effective treatment exists, participants typically receive either the standard treatment plus the study intervention, or the standard treatment plus placebo. You would not be denied effective care. Placebos are primarily used when no proven treatment is available, or in addition to standard care. Your trial consent form will clearly explain what treatments you may receive.

Can I leave a trial if I change my mind?

Absolutely. Participation in clinical trials is completely voluntary. You have the right to withdraw from the study at any time, for any reason, without penalty or loss of benefits to which you are otherwise entitled.

How long does a clinical trial last?

Trial duration varies widely depending on the study design and purpose. Some trials last just a few weeks, while others may continue for months or years. The study coordinator will provide specific timeline information during your screening call.

Data: ClinicalTrials.gov · synced Nov 10, 2025 · Source of record for eligibility and locations

📊
1 of 200 participants interested
1% interest

See if this study fits

A short prescreen based on this study's listed criteria. A coordinator confirms eligibility — this is not a medical assessment.

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Study locations

Choose your preferred location, or select flexible during enrollment.

RECRUITING

Iowa City

Iowa

Location available

Express your interest

Share your contact details and a study coordinator can follow up about screening.

Secure & Confidential

Your information is protected and will only be shared with the research team.

What participation can include

  • Study-related care provided by the research team
  • Close monitoring by medical professionals
  • Possible compensation for time and travel*
  • The option to withdraw at any time
  • Contributing to medical research that may help future patients

*Compensation varies by study. Confirm details with coordinator.

Typical next steps

  1. 1.Submit this form
  2. 2.Phone screening
  3. 3.In-person assessment if eligible
  4. 4.Begin participation

Find More Multiple Myeloma Trials by City

Browse all multiple myeloma clinical trials in these cities — not just this study.

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Looking for Multiple Myeloma Treatment in Iowa City?

Join others in Iowa exploring innovative treatment options through clinical research

Multiple Myeloma Treatment Options in Iowa City, Iowa

If you're searching for Multiple Myeloma treatment in Iowa City, participating in a clinical research study may provide access to innovative approaches under expert medical supervision. This study is actively recruiting participants in Iowa City and surrounding areas.

Clinical trials offer participants the opportunity to receive cutting-edge treatments while contributing to medical research that may help future patients with Multiple Myeloma. All study-related care is provided at no cost to participants.

Local Sites
1 locations in Iowa
Now Enrolling
Up to 200 participants
Quick Start
Screening available now

Why Consider a Clinical Trial for Multiple Myeloma?

Potential Benefits

  • Access to new treatment approaches before public availability
  • Close monitoring by experienced medical professionals
  • Study-related care provided at no cost
  • Contribute to medical research for Multiple Myeloma

What to Expect

  • Initial screening to determine eligibility
  • Regular check-ups and monitoring visits
  • Possible compensation for time and travel
  • You can withdraw at any time

Frequently Asked Questions About This Multiple Myeloma Study

Important Clinical Trial Information

This information is provided for educational purposes and does not constitute medical advice. Clinical trial participation involves potential risks and benefits. Eligibility requirements apply and will be assessed during the screening process.

Study identifier: NCT04114084. For complete study details, visit ClinicalTrials.gov. Always consult with your healthcare provider before making decisions about your medical care or participating in clinical research.