Neoplasms

Heart and Blood Diseases

Blood and Lymph Conditions

Immune System Diseases

All Conditions

Symptoms and General Pathology

Rare Diseases

Multiple Myeloma

Neoplasms, Plasma Cell

Monoclonal Gammopathy of Undetermined Significance

Smoldering Multiple Myeloma

Paraproteinemias

Neoplasms by Histologic Type

Hemostatic Disorders

Blood Coagulation Disorders

Vascular Diseases

Blood Protein Disorders

Hematologic Diseases

Hemorrhagic Disorders

Lymphoproliferative Disorders

Immunoproliferative Disorders

Hypergammaglobulinemia

Precancerous Conditions

Anti-Inflammatory Agents

Antineoplastic Agents

Antirheumatic Agents

Analgesics

All Drugs and Chemicals

Other Dietary Supplements

Curcumin

Omega 3 Fatty Acid

For 12 weeks, on the WFPBD arm, patients will receive two premade meals per day, for lunch and dinner for 6 days weekly, prepared and shipped by U.S.-based WFPBD company Plantable weekly.

For 12 weeks on the supplement arm, patients will be given algae omega 3 supplements (QWell pharmaceuticals) and curcumin supplements (Sabinsa pharmaceuticals) twice daily.

For 12 weeks on the placebo arm, patients will be given placebo supplements twice daily (QWell and Sabinsa pharmaceuticals).

The meals will have a low glycemic index and contain vegetables, whole grains, and plant-based fats that have undergone minimal processing.

Detailed recommendations for snacks and breakfasts meeting the standard of a WFPBD will also be given to supplement their daily calorie needs with access to an online portal from Plantable which contains education materials and access to a health coach daily. Patients will also receive dietary education and counselling from a research dietitian every 4 weeks for the 12-week intervention period. They will have access to the team for questions and support as needed

Whole Foods Plant-based Diet

Algae omega 3

Placebo supplements

Urvi Shah, MD

Alexander Lesokhin, MD

The researchers are doing this study to look at how butyrate levels change in participants' stool after they are on a- plant-based diet for at least 12 weeks. All participants will have monoclonal gammopathy of undetermined significance (MGUS) or smoldering multiple myeloma (SMM). We will compare how the plant-based diet, omega-3 fatty acid and curcumin supplements, and placebo (an inactive substance that looks like the study supplements) affect butyrate levels in participants' stool.

This is a randomized, multi-center pilot study with 150 patients (50 per arm). Randomization will be stratified based on BMI and MGUS/SMM status. Randomization in the supplement and placebo arms will be blinded.

A Study Comparing a Plant-Based Diet With Supplements and Placebo in People With Monoclonal Gammopathy of Undetermined Significance (MGUS) or Smoldering Multiple Myeloma (SMM)

A Randomized Placebo Controlled Study of a Plant-Based Dietary Versus Supplement Versus Placebo Intervention in Patients With Monoclonal Gammopathy of Undetermined Significance (MGUS) and Smoldering Multiple Myeloma (SMM) - The Nutrition Prevention (NUTRIVENTION3) Study

Memorial Sloan Kettering Cancer Center supports the international committee of medical journal editors (ICMJE) and the ethical obligation of responsible sharing of data from clinical trials. The protocol summary, a statistical summary, and informed consent form will be made available on clinicaltrials.gov when required as a condition of Federal awards, other agreements supporting the research and/or as otherwise required. Requests for deidentified individual participant data can be made beginning 12 months after publication and for up to 36 months post publication. Deidentified individual participant data reported in the manuscript will be shared under the terms of a Data Use Agreement and may only be used for approved proposals. Requests may be made to: crdatashare@mskcc.org

change in stool butyrate levels on a dietary vs supplement vs placebo intervention at 12 weeks when compared to baseline

Study title	NCT ID	Conditions	Interventions	Eligibility	Organization	Link
A Study Comparing a Plant-Based Diet With Supplements and Placebo in People With Monoclonal Gammopathy of Undetermined Significance (MGUS) or Smoldering Multiple Myeloma (SMM)	NCT05640843	Multiple Myelom... Monoclonal Gamm...	Whole Foods Pla... Algae omega 3 Placebo supplem...	18 Years -	Memorial Sloan Kettering Cancer Center
A Study Comparing a Plant-Based Diet With Supplements and Placebo in People With Monoclonal Gammopathy of Undetermined Significance (MGUS) or Smoldering Multiple Myeloma (SMM)	NCT05640843	Multiple Myelom... Monoclonal Gamm...	Whole Foods Pla... Algae omega 3 Placebo supplem...	18 Years -	Memorial Sloan Kettering Cancer Center

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