NCT05848544

Brief Summary

Adult patients with fibromyalgia or symptomatic knee osteoarthritis and comorbid obesity eligible to a very low calories ketogenic diet will be enrolled in the pilot study

Trial Health

87
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 2021

Longer than P75 for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

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

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

April 2, 2021

Completed
2 years until next milestone

First Submitted

Initial submission to the registry

April 13, 2023

Completed
25 days until next milestone

First Posted

Study publicly available on registry

May 8, 2023

Completed
1.7 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 31, 2024

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2024

Completed
Last Updated

March 26, 2025

Status Verified

March 1, 2025

Enrollment Period

3.8 years

First QC Date

April 13, 2023

Last Update Submit

March 25, 2025

Conditions

Outcome Measures

Primary Outcomes (2)

  • efficacy of the very low-calorie ketogenic diet in patient with fibromyalgia

    change in Fibromyalgia Impact Questionnaire total score for fibromyalgia

    baseline, 8 weeks and 20 weeks

  • efficacy of the very low-calorie ketogenic diet in patient with osteoarthritis

    change in Western Ontario total score for osteoarthritis

    baseline, 8 weeks and 20 weeks

Study Arms (2)

Symptomatic knee osteoarthritis

OTHER

obese patients with symptomatic knee osteoarthritis eligible to a very low calories ketogenic diet

Dietary Supplement: Very low-calorie ketogenic diet for patients with symptomatic knee osteoarthritis

obese patients with fibromyalgia

OTHER

obese patients with with fibromyalgia eligible to a very low calories ketogenic diet

Dietary Supplement: Very low-calorie ketogenic diet for patients with fibromyalgia

Interventions

A personalized very low-calorie ketogenic diet will be prepared for each patient by specialized dietitians using a combination of commercially-available ketogenic preparations and patient's handmade prepared meals

Symptomatic knee osteoarthritis

A personalized very low-calorie ketogenic diet will be prepared for each patient by specialized dietitians using a combination of commercially-available ketogenic preparations and patient's handmade prepared meals

obese patients with fibromyalgia

Eligibility Criteria

Age18 Years - 65 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Age \> 18 years and \< 65 years
  • Body mass index ≥ 30 kg/m2
  • Failed to achieve weight loss with standard low-calories diet
  • Any of the following conditions:
  • BMI ≥ 35 kg/m2 Past diagnosis of type 2 diabetes without β-cell failure Hypertriglyceridemia (fasting triglycerides ≥ 150 mg/dL) or taking lipid-lowering medications Hypercholesterolemia (total cholesterol \> 200 mg/dL) or taking lipid-lowering medications Past diagnosis of arterial hypertension or taking blood pressure-lowering medications Past diagnosis of non-alcoholic fatty liver disease Past diagnosis of heart failure class NYHA I-II Past history of myocardial infarction (\> 12 months), stroke/minor stroke (\> 12 months) Past diagnosis of carotid atherosclerosis Past diagnosis of polycystic ovary syndrome (PCOS) Past diagnosis of neurodegenerative disorders
  • Fibromyalgia classified according to 2016 Revisions to the 2010/2011 European League Against Rheumatism/ American College of Rheumatology OR
  • Symptomatic knee osteoarthritis

You may not qualify if:

  • Age \< 18 or \> 65 years
  • Currently pregnant or breastfeeding
  • Past diagnosis of type 1 diabetes mellitus, latent autoimmune diabetes in adults, β-cell failure in type 2 diabetes mellitus, use of sodium/glucose cotransporter 2 inhibitors (risk for euglycemic diabetic ketoacidosis)
  • Past diagnosis of kidney failure and moderate-to-severe chronic kidney disease, liver failure, hearth failure NYHA III-IV, respiratory failure
  • Past diagnosis of unstable angina
  • Recent stroke or myocardial infarction (\< 12 months)
  • Cardiac arrhythmias
  • Past diagnosis of eating disorders and other severe mental illnesses, alcohol and substance abuse
  • Active/severe infections
  • h prior to elective surgery or invasive procedures and perioperative period
  • Past diagnosis of rare disorders: porphyria, carnitine deficiency, carnitine palmitoyltransferase deficiency, carnitine-acylcarnitine translocase deficiency, mitochondrial fatty acid β-oxidation disorders, pyruvate carboxylase deficiency
  • Allergy to protein-preparations ingredients
  • Past or current history of gallstones

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

IRCCS istituto Ortopedico Rizzoli

Bologna, 40136, Italy

Location

Related Publications (2)

  • Ciaffi J, Mancarella L, Pederzani G, Lisi L, Brusi V, Pignatti F, Ricci S, Vitali G, Faldini C, Ursini F. Efficacy, Safety, and Tolerability of a Very Low-Calorie Ketogenic Diet in Women with Obesity and Symptomatic Knee Osteoarthritis: A Pilot Interventional Study. Nutrients. 2024 Sep 24;16(19):3236. doi: 10.3390/nu16193236.

  • Ciaffi J, Lisi L, Mari A, Mancarella L, Brusi V, Pignatti F, Ricci S, Vitali G, Stefanelli N, Assirelli E, Neri S, Naldi S, Faldini C, Ursini F. Efficacy, safety and tolerability of very low-calorie ketogenic diet in obese women with fibromyalgia: a pilot interventional study. Front Nutr. 2023 Jul 12;10:1219321. doi: 10.3389/fnut.2023.1219321. eCollection 2023.

MeSH Terms

Conditions

FibromyalgiaOsteoarthritis, Knee

Condition Hierarchy (Ancestors)

Muscular DiseasesMusculoskeletal DiseasesRheumatic DiseasesNeuromuscular DiseasesNervous System DiseasesOsteoarthritisArthritisJoint Diseases

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NON RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

April 13, 2023

First Posted

May 8, 2023

Study Start

April 2, 2021

Primary Completion

December 31, 2024

Study Completion

December 31, 2024

Last Updated

March 26, 2025

Record last verified: 2025-03

Locations