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KETOgenic Diet Therapy in Patients With ACROmegaly

NCT06949891 · Status: RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 60

Last updated 2025-04-29

No results posted yet for this study

Summary

Acromegaly is caused by a tumour located at the base of the brain in the pituitary gland that produces too much growth hormone (GH). Symptoms caused by the excess of GH, and consequently increased insulin like growth factor 1 (IGF-1), are disproportionate growth of body parts, fluid retention, snoring and excessive perspiration. The various metabolic changes that occur due to acromegaly increase the risk for insulin resistance, diabetes mellitus, arterial hypertension, sleep apnoea and thus an increased risk of cardiovascular disease if left untreated. The result is signs and symptoms, increased mortality, morbidity, and greatly reduced quality of life (QoL). Normalisation of GH and IGF-1 gives a normalisation of mortality, however morbidity and QoL do not (completely) normalise. After surgery, a somatostatin analogue is the primary medical treatment, however, normalisation occurs in only 40% of patients.

Recently, in a proof-of-principle study, the researchers showed that a 2-week ketogenic diet (low in carbohydrates) in patients with somatostatin analogues could significantly reduce IGF-1 values. Patients felt better and sometimes even needed less somatostatin analogues. This proof of concept led to the new hypothesis that acromegaly patients with somatostatin analogues should possibly be treated with a eucaloric low-carbohydrate ketogenic diet for a longer period of time to improve their biochemistry, symptoms and QoL. Additionally, this diet can make a significant contribution in the treatment of insulin resistance and glucose intolerance that often occur in this patient group.

Conditions

  • Acromegaly Due to Pituitary Adenoma
  • Ketogenic Diet
  • Mediterranean Diet

Interventions

DIETARY_SUPPLEMENT

Ketogenic diet

A eucaloric ketogenic diet (30-40 g carbohydrate per day) for 3 months, followed by a less strict ketogenic diet (50-60 g carbohydrate per day) for another 3 months.

DIETARY_SUPPLEMENT

Mediterranean diet

The control group will receive a eucaloric diet according to the national healthy food guidelines/Mediterranean diet.

Sponsors & Collaborators

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2023-06-01
Primary Completion
2027-12-31
Completion
2028-05-01

Countries

  • Netherlands

Study Locations

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Entities

Companies

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT06949891 on ClinicalTrials.gov