Full-paper Knowledge Units · saved output

A six-month periodic fasting reduces microalbuminuria and improves metabolic control in patients with type 2 diabetes and diabetic nephropathy: a randomized controlled study

Qwen 3.8 27B FP8 · teacher · 500-word source chunks · guarded TranslateGemma 4B back-translation

Complete extractionLongest literal run: 18 words

Source title: A six-month periodic fasting reduces microalbuminuria and improves metabolic control in patients with type 2 diabetes and diabetic nephropathy: a randomized controlled study
Source authors: Alba Sulaj; Stefan Kopf; Ekaterina Von Rauchhaupt; Elisabeth Kliemank; Maik Brune; Zoltan Kender; Hannelore Bartl; Fabiola Garcia Cortizo; Katarina Klepac; Zhe Han; Varun Kumar; Valter Longo; Aurelio Teleman; Jürgen G Okun; Jakob Morgenstern; Thomas Fleming; Julia Szendroedi; Stephan Herzig; Peter P Nawroth
KU document title: A six-month periodic fasting reduces microalbuminuria and improves metabolic control in patients with type 2 diabetes and diabetic nephropathy: a randomized controlled study
KU document author field: Not populated by the original extractor
Style annotation: No dedicated document-style field in this schema
KU sequence: 10 of 10 expected chunks
Attribution provenance: Source registry metadata shown for attribution; not added to the QA context

This condition scores 90.0% (180/200) across all 20 evaluation papers. The example page does not imply that every claim in this individual paper is correct.

Gemma 4 12B IT · KU LoRA rank 128 · 500 words Gemma 4 12B IT · KU LoRA rank 128 · 1,000 words Gemma 4 E4B IT · KU LoRA rank 128 · 500 words Gemma 4 E4B IT · KU LoRA rank 128 · 1,000 words Qwen 3.8 27B FP8 · teacher · 500 words Qwen 3.8 27B FP8 · teacher · 1,000 words

Every saved KU, entity, attribute and relationship is shown below, in original chunk order. Navigation follows the source sequence rather than publication dates. Adjacent summaries are reader navigation, not lookahead supplied to extraction. All KUs were generated before the paraphrasing stage. Download complete factual KU JSON.

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KU 1 · source words 1–493

10 entities · 15 relationships · 0 preceding KUs available during extraction

Recorded context summary

A randomized controlled study evaluated the impact of a six-month fasting-mimicking diet on metabolic markers and albuminuria in patients with type 2 diabetes and diabetic nephropathy. The intervention group showed significant improvements in microalbuminuria and insulin resistance compared to a Mediterranean diet control group, although these benefits were not sustained at the three-month follow-up. The study suggests that the lack of change in DNA damage and dicarbonyl detoxification markers may contribute to the relapse of albuminuria.

Fasting-mimicking diet (FMD)

method · ID: fasting_mimicking_diet_fmd

duration: six months
intervention_type: dietary modification

Relationships

reduces → microalbuminuria
magnitude
-30.3mg/g
p_value
<=0.05
reduces → HOMA-IR
magnitude
-3.8
p_value
<=0.05
reduces → suPAR
magnitude
-156.6pg/ml
p_value
<=0.05
no_change_observed_in → markers of dicarbonyl detoxification
no_change_observed_in → DNA-damage/repair markers

Mediterranean diet

method · ID: mediterranean_diet

role: control group intervention
duration: six months

Relationships

No relationships recorded.

Type 2 diabetes patients with diabetic nephropathy

other · ID: type_2_diabetes_patients_with_diabetic_nephropathy

sample_size: 40
baseline_hba1c: 7.8±0.2% (62.1±2.3 mmol/mol)
baseline_condition: increased albumin-to-creatinine ratio (ACR)
model_entity_type: population

Relationships

randomized_to → Fasting-mimicking diet (FMD)
n
21
randomized_to → Mediterranean diet
n
19

Albumin-to-creatinine ratio (ACR)

measurement · ID: albumin_to_creatinine_ratio_acr

role: primary endpoint

Relationships

difference_of_change_between_groups_all_patients → 110.3mg/g
ci
99.2, 121.5mg/g
p_value
0.45
difference_of_change_microalbuminuria_subgroup → -30.3mg/g
ci
-35.7, -24.9mg/g
p_value
<=0.05
difference_of_change_macroalbuminuria_subgroup → 434.0mg/g
ci
404.7, 463.4mg/g
p_value
0.23

HOMA-IR

measurement · ID: homa_ir

role: secondary endpoint

Relationships

sustained_reduction_at_follow_up → -1.9
ci
-3.7, -0.1
p_value
<=0.05

suPAR

measurement · ID: supar

role: secondary endpoint
marker_for: senescence

Relationships

No relationships recorded.

Markers of dicarbonyl detoxification

measurement · ID: markers_of_dicarbonyl_detoxification

specific_markers: MG-H1, glyoxalase-1, hydroxyacetone

Relationships

no_change_observed → Fasting-mimicking diet (FMD)

DNA-damage/repair markers

measurement · ID: dna_damage_repair_markers

specific_marker: yH2Ax

Relationships

no_change_observed → Fasting-mimicking diet (FMD)

Diabetic nephropathy

other · ID: diabetic_nephropathy

clinical_significance: The most common cause of terminal kidney disease
model_entity_type: condition

Relationships

treatment_options_limited_to → control of glycemia, lipidemia and blood pressure

SGLT2 inhibitors

method · ID: sglt2_inhibitors

effect: nephroprotection

Relationships

renal_benefits_not_explained_by → modest improvements in glycemic, blood pressure and lipid control

Source positions, MinHash and extraction warnings

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Previous KU: Start of paper

Next KU: The text describes the pathophysiology of diabetic kidney disease and links hyperglycemia with fibrosis through specific metabolic pathways and oxidative stress. It presents a randomized, controlled study at the University Hospital in Heidelberg, which aims to investigate whether a fasting-like diet reduces albuminuria and alters markers for DNA damage and senescence. The study protocol involves six monthly diet cycles with specific refeeding assessments and adherence monitoring via ketone levels.

KU 2 · source words 494–987

13 entities · 29 relationships · 1 preceding KUs available during extraction

Recorded context summary

The text describes the pathophysiology of diabetic kidney disease and links hyperglycemia with fibrosis through specific metabolic pathways and oxidative stress. It presents a randomized, controlled study at the University Hospital in Heidelberg, which aims to investigate whether a fasting-like diet reduces albuminuria and alters markers for DNA damage and senescence. The study protocol involves six monthly diet cycles with specific refeeding assessments and adherence monitoring via ketone levels.

diabetic kidney disease (DKD)

concept · ID: diabetic_kidney_disease_dkd

treatment_status: Only progression can be slowed; long-lasting remission therapies are lacking

Relationships

caused_by → hyperglycemia
associated_with → fibrosis

hyperglycemia

concept · ID: hyperglycemia

No attributes recorded.

Relationships

leads_to → decline in renal function
activates → sorbitol pathway
activates → hexosamine pathway
increases → oxidative stress

dicarbonyl stress

concept · ID: dicarbonyl_stress

No attributes recorded.

Relationships

implicated_in → development of diabetic complications and DKD

AGE

concept · ID: age

No attributes recorded.

Relationships

implicated_in → development of diabetic complications and DKD

DNA-damage

concept · ID: dna_damage

No attributes recorded.

Relationships

described_in → type 2 diabetes

senescence

concept · ID: senescence

No attributes recorded.

Relationships

described_in → type 2 diabetes

nuclear phosphomimetic RAGE

method · ID: nuclear_phosphomimetic_rage

mechanism: overexpression

Relationships

restores → DNA-repair
reduces → DNA-damage
reduces → inflammation
might_improve → renal function

periodic fasting

method · ID: periodic_fasting

No attributes recorded.

Relationships

reduces → oxidative damage
reduces → inflammation
supports → cellular protection
activates → lipolysis

SGLT-2 inhibitors

method · ID: sglt_2_inhibitors

No attributes recorded.

Relationships

enhance → ketogenesis
shift_metabolism_from → glucose oxidation
shift_metabolism_to → fat and ketone body utilization (ketolysis)

kidney metabolism

concept · ID: kidney_metabolism

No attributes recorded.

Relationships

relies_on → lipolysis
relies_on → ketone bodies

randomized controlled open study

event · ID: randomized_controlled_open_study

location: Hospitals specializing in endocrinology, diabetes, metabolism, and clinical chemistry, Heidelberg University Hospital
ethics_approval: Ethic-Nr. S-682/2016
registration: DRKS00014287

Relationships

primary_aim → test if periodic fasting-mimicking diet (FMD) reduces ACR
secondary_aim → investigate relation between ACR reduction and changes in dicarbonyl detoxification, fatty acid oxidation, DNA-damage/repair, and senescence markers

study participants

other · ID: study_participants

condition: Type 2 diabetes with good blood sugar and blood pressure control.
treatment_status: optimized according to current guidelines
inclusion_criterion: increased albumin-to-creatinine ratio (ACR) from two consecutive spot urine samples per KDIGO guidelines

Relationships

received → individual dietary counseling before baseline
underwent → six diet cycles

study protocol

method · ID: study_protocol

diet_cycles: six
cycle_duration: five-day diet intervention
assessment_timing: baseline, monthly after each cycle (day 6), and refeeding timepoints (one week after 3rd and 6th cycles)

Relationships

assesses_adherence_via → dietary protocols
assesses_adherence_via → measurement of ketone bodies in blood and urine

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Previous KU: A randomized controlled study evaluated the impact of a six-month fasting-mimicking diet on metabolic markers and albuminuria in patients with type 2 diabetes and diabetic nephropathy. The intervention group showed significant improvements in microalbuminuria and insulin resistance compared to a Mediterranean diet control group, although these benefits were not sustained at the three-month follow-up. The study suggests that the lack of change in DNA damage and dicarbonyl detoxification markers may contribute to the relapse of albuminuria.

Next KU: The study utilized a stratified randomization procedure based on BMI and HbA1c to assign participants to fasting-mimicking or Mediterranean diet groups. Specific caloric and macronutrient protocols were defined for the fasting intervention, alongside strict guidelines for medication adjustment and glycemic monitoring. Blood samples were processed under standardized conditions to measure beta-hydroxybutyrate levels.

KU 3 · source words 988–1,439

7 entities · 9 relationships · 2 preceding KUs available during extraction

Recorded context summary

The study utilized a stratified randomization procedure based on BMI and HbA1c to assign participants to fasting-mimicking or Mediterranean diet groups. Specific caloric and macronutrient protocols were defined for the fasting intervention, alongside strict guidelines for medication adjustment and glycemic monitoring. Blood samples were processed under standardized conditions to measure beta-hydroxybutyrate levels.

Randomization procedure

method · ID: randomization_procedure

software: Randomizer Version 2.0.3
stratification_factors: [ "BMI (cut-off 30.0 kg/m²)", "HbA1c (cut-off 7.0%)" ]
access_control: Accessible only to assigned randomization list managers

Relationships

assigned_participants_to → intervention or control group

Fasting-mimicking diet (FMD)

method · ID: fasting_mimicking_diet_fmd

duration: 5 consecutive days each month
frequency: Cycles initiated approximately 25 days apart
day_1_calories: 4600 kJ
day_1_macronutrients: 11% protein, 46% fat, 43% carbohydrates
days_2_to_5_calories: 3000 kJ per day
days_2_to_5_macronutrients: 9% protein, 44% fat, 47% carbohydrate
dietary_basis: Plant-based
physiological_effect: Mimics fasting-like effects on glucose and ketone bodies

Relationships

assigned_to → intervention group
requires_insulin_adjustment → Discontinue short-acting insulin; reduce long-acting insulin by 50%
requires_medication_discontinuation → Oral antidiabetic therapy

Mediterranean Diet (M-Diet)

method · ID: mediterranean_diet_m_diet

duration: 5 consecutive days each month
frequency: Cycles initiated approximately 25 days apart
caloric_intake: No change compared to pre-study diet
adaptation_standard: Mediterranean Diet Score (MDS)

Relationships

assigned_to → control group

Glycemic monitoring protocol

method · ID: glycemic_monitoring_protocol

device: Accu-Check Guide (Roche)
measurement_frequency: At least 4 measurements daily
measurement_types: [ "Fasting", "2-hour postprandial" ]
support_system: 24-hour telephone platform for reporting hypo- or hyperglycemic episodes

Relationships

triggers_medication_reduction_if → Fasting plasma glucose reduction >20% compared to previous measurement

Blood pressure management protocol

method · ID: blood_pressure_management_protocol

hypotension_threshold_systolic: <100 mmHg
hypotension_threshold_diastolic: <60 mmHg

Relationships

triggers_medication_reduction_if → Participant reports hypotension

Beta-hydroxybutyrate measurement

measurement · ID: beta_hydroxybutyrate_measurement

sample_type: Venous blood
timing: Each visit
device: StatStrip Glucose/Ketone Measurement System (Nova Biomedical)
processing_location: Central laboratory of the Heidelberg University Hospital
processing_conditions: Standardized, immediate processing after fasting draw

Relationships

No relationships recorded.

Study participants

other · ID: study_participants

weight_loss_limit: <10% accepted
physical_activity_instruction: Avoid excessive activity during diet cycles; return to normal afterwards
documentation_requirement: Create personalized nutrition and training plans.
model_entity_type: group

Relationships

assessed_with → SF-12 questionnaire
assessed_with → Patient Health Questionnaire (PHQ)

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Previous KU: The text describes the pathophysiology of diabetic kidney disease and links hyperglycemia with fibrosis through specific metabolic pathways and oxidative stress. It presents a randomized, controlled study at the University Hospital in Heidelberg, which aims to investigate whether a fasting-like diet reduces albuminuria and alters markers for DNA damage and senescence. The study protocol involves six monthly diet cycles with specific refeeding assessments and adherence monitoring via ketone levels.

Next KU: The study defined its primary endpoint as the difference in ACR change between diet groups after six cycles, with secondary endpoints covering metabolic and DNA damage markers. A sample size of 40 was calculated to detect a 30% reduction in ACR, and 41 patients were randomized between March 2018 and May 2020. The statistical analysis included an ANCOVA and a hierarchical test. 38 patients completed three cycles, while 33 patients completed the entire study.

KU 4 · source words 1,440–1,932

6 entities · 12 relationships · 3 preceding KUs available during extraction

Recorded context summary

The study defined its primary endpoint as the difference in ACR change between diet groups after six cycles, with secondary endpoints covering metabolic and DNA damage markers. A sample size of 40 was calculated to detect a 30% reduction in ACR, and 41 patients were randomized between March 2018 and May 2020. The statistical analysis included an ANCOVA and a hierarchical test. 38 patients completed three cycles, while 33 patients completed the entire study.

Primary endpoint

measurement · ID: primary_endpoint

definition: Absolute difference of change of ACR from baseline to after six diet cycles between FMD and M-Diet group

Relationships

subgroup_analysis_performed_for → micro-versus macroalbuminuria levels at baseline

Secondary endpoints

measurement · ID: secondary_endpoints

components: [ "ACR change after three cycles", "HOMA-IR change after three and six cycles", "Plasma MG-H1", "Plasma MG", "Glo-1 activity", "pGlo-1 expression in WBC", "Hydroxyacetone in RBC", "Plasma AC profile", "yH2Ax expression in WBC", "suPAR" ]

Relationships

markers_of_dicarbonyl_detoxification → Hydroxyacetone in RBC, Plasma MG-H1, Plasma MG, Glo-1 activity, pGlo-1 expression
marker_of_fatty_acid_oxidation → Plasma AC profile
marker_of_dna_damage_repair → yH2Ax expression in WBC
marker_of_kidney_injury_and_senescence → suPAR

Safety monitoring

method · ID: safety_monitoring

methods: [ "Vital signs assessment", "Physical examination", "Electrocardiogram", "Adverse events assessment (CTCAE v4.0)", "Laboratory results" ]

Relationships

No relationships recorded.

Power calculation

method · ID: power_calculation

target_reduction: A 30% decrease in ACR compared to the initial value.
assumed_standard_deviation: 30% for both groups
significance_level: 5% two-sided
power: at least 80%
estimated_dropout_rate: 15%
calculated_sample_size: 40 participants
software: PASS 16.0.12

Relationships

based_on_clinical_relevance_threshold → 30% reduction of albuminuria

Statistical analysis

method · ID: statistical_analysis

population: Intention-to-treat
missing_data_handling: Not imputed; available-case analysis
primary_comparison_method: ANCOVA was adjusted to account for age, gender, weight loss, and the initial value.
multiple_testing_correction: Hierarchical test procedure for secondary endpoints
software: R version 3.6.1

Relationships

visualization_tools → R core packages, tiduverse, pheatmap, GraphPad Prism version 5.00

Study enrollment

event · ID: study_enrollment

start_date: March 2018
end_date: May 2020
total_randomized: 41 patients
FMD_group_size: 21
M_Diet_group_size: 20

Relationships

excluded_patient → 1 patient from M-Diet group due to erysipelas
completed_three_cycles → 38 patients (95%)
completed_study → 33 patients (83%)
follow_up_attendance → 31 patients (78%)
mean_follow_up_time → 112±31 days

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Previous KU: The study utilized a stratified randomization procedure based on BMI and HbA1c to assign participants to fasting-mimicking or Mediterranean diet groups. Specific caloric and macronutrient protocols were defined for the fasting intervention, alongside strict guidelines for medication adjustment and glycemic monitoring. Blood samples were processed under standardized conditions to measure beta-hydroxybutyrate levels.

Next KU: The study reports that the restrictions imposed during the pandemic were the main reason for participants dropping out after the third dietary cycle. Although the initial characteristics were similar, the fasting-like diet (FMD) showed significant advantages over the Mediterranean diet in certain subgroups, particularly in individuals with microalbuminuria, especially regarding the albumin-to-creatinine ratio (ACR) and metabolic markers. FMD also resulted in reduced urea levels, preserved eGFR, and decreased suPAR and HOMA-IR values, though lipid profiles remained unchanged.

KU 5 · source words 1,933–2,387

10 entities · 21 relationships · 4 preceding KUs available during extraction

Recorded context summary

The study reports that the restrictions imposed during the pandemic were the main reason for participants dropping out after the third dietary cycle. Although the initial characteristics were similar, the fasting-like diet (FMD) showed significant advantages over the Mediterranean diet in certain subgroups, particularly in individuals with microalbuminuria, especially regarding the albumin-to-creatinine ratio (ACR) and metabolic markers. FMD also resulted in reduced urea levels, preserved eGFR, and decreased suPAR and HOMA-IR values, though lipid profiles remained unchanged.

Fasting-mimicking diet (FMD)

method · ID: fasting_mimicking_diet_fmd

intervention_duration: six diet cycles
comparison_group: Mediterranean diet (M-Diet)

Relationships

reduced_acr_in_subgroup → patients with microalbuminuria
six_cycle_reduction
54%
three_cycle_reduction
37%
reduced_urea_levels → urea
three_cycle_change
-11.8mg/dl
six_cycle_change
-17.9mg/dl
preserved_egfr → eGFR based on cystatin C
six_cycle_difference
8.3ml/min/1,73m²
three_cycle_difference
2.4ml/min/1,73m²
reduced_spar → suPAR
three_cycle_difference
-214.8pg/ml
six_cycle_difference
-156.6pg/ml
reduced_hba1c → HbA1c
six_cycle_reduction
17%
three_cycle_change
none
reduced_homa_ir → HOMA-IR
six_cycle_reduction
60%
participant_subgroup
non-insulin treated
no_change_in_lipids → LDL, HDL, or triglyceride levels

Mediterranean diet (M-Diet)

method · ID: mediterranean_diet_m_diet

role: control_group

Relationships

compared_against → Fasting-mimicking diet (FMD)

Albumin-to-creatinine ratio (ACR)

measurement · ID: albumin_to_creatinine_ratio_acr

unit: mg/g

Relationships

six_cycle_all_patients_difference → 110.3mg/g
p_value
0.45
six_cycle_microalbuminuria_difference → -30.3mg/g
p_value
<=0.05
six_cycle_macroalbuminuria_difference → 434.0mg/g
p_value
0.23
three_cycle_all_patients_difference → -62.5mg/g
p_value
0.45
three_cycle_microalbuminuria_difference → -23.7mg/g
p_value
<=0.05
three_cycle_macroalbuminuria_difference → -176.2mg/g
p_value
0.47

Urea

measurement · ID: urea

unit: mg/dl

Relationships

reduced_by → Fasting-mimicking diet (FMD)

eGFR based on cystatin C

measurement · ID: egfr_based_on_cystatin_c

unit: ml/min/1,73m²

Relationships

preserved_by → Fasting-mimicking diet (FMD)

suPAR

measurement · ID: supar

unit: pg/ml

Relationships

reduced_by → Fasting-mimicking diet (FMD)

HbA1c

measurement · ID: hba1c

unit: %

Relationships

reduced_by → Fasting-mimicking diet (FMD)

HOMA-IR

measurement · ID: homa_ir

No attributes recorded.

Relationships

reduced_by → Fasting-mimicking diet (FMD)

Lipid levels

measurement · ID: lipid_levels

components: LDL, HDL, triglycerides

Relationships

unchanged_by → Fasting-mimicking diet (FMD)

Study withdrawal

event · ID: study_withdrawal

timing: after third diet cycle and at follow-up

Relationships

caused_by → restrictions related to the Covid-19 pandemic

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Previous KU: The study defined its primary endpoint as the difference in ACR change between diet groups after six cycles, with secondary endpoints covering metabolic and DNA damage markers. A sample size of 40 was calculated to detect a 30% reduction in ACR, and 41 patients were randomized between March 2018 and May 2020. The statistical analysis included an ANCOVA and a hierarchical test. 38 patients completed three cycles, while 33 patients completed the entire study.

Next KU: The fasting-mimicking diet group achieved significant weight loss compared to the Mediterranean diet group, though body composition remained unchanged between groups. A 62% reduction in plasma MG-H1 was observed after three cycles, but this did not correlate with changes in albumin-to-creatinine ratio. Responders in the FMD group showed distinct acetylcarnitine levels, and only the reduction in HOMA-IR was sustained at follow-up.

KU 6 · source words 2,388–2,864

8 entities · 13 relationships · 5 preceding KUs available during extraction

Recorded context summary

The fasting-mimicking diet group achieved significant weight loss compared to the Mediterranean diet group, though body composition remained unchanged between groups. A 62% reduction in plasma MG-H1 was observed after three cycles, but this did not correlate with changes in albumin-to-creatinine ratio. Responders in the FMD group showed distinct acetylcarnitine levels, and only the reduction in HOMA-IR was sustained at follow-up.

Fasting-mimicking diet (FMD) group

other · ID: fasting_mimicking_diet_fmd_group

weight_loss_after_3_cycles: -5.6kg (-5.9%)
weight_loss_after_6_cycles: -7.2kg (-7.5%)
male_participant_percentage: 71%
plasma_MG-H1_reduction_after_3_cycles: 62%
model_entity_type: study_group

Relationships

showed_significant_weight_loss → compared to M-Diet group
p_value_3_cycles
<=0.001
p_value_6_cycles
<=0.001
no_change_in_body_composition → fat and fat-free mass
sustained_reduction_in → HOMA-IR
change
-1.9
p_value
<=0.05

Mediterranean diet (M-Diet) group

other · ID: mediterranean_diet_m_diet_group

weight_loss_after_3_cycles: -0.7kg (-0.8%)
weight_loss_after_6_cycles: -1.1kg (-1.2%)
male_participant_percentage: 74%
model_entity_type: study_group

Relationships

no_significant_weight_loss_difference → FMD group
no_change_in_body_composition → fat and fat-free mass

Plasma MG-H1

other · ID: plasma_mg_h1

model_entity_type: biomarker

Relationships

reduced_by → 62%
timepoint
after three diet cycles
group
FMD
no_association_with → change in ACR
groups
M-Diet and FMD

Acetylcarnitine (C2)

other · ID: acetylcarnitine_c2

model_entity_type: metabolite

Relationships

increased_in → FMD responders
timepoint
after three diet cycles
distinct_response_in → FMD responders vs non-responders

FMD responders

other · ID: fmd_responders

definition: Participants with at least 30% improvement in ACR
baseline_ACR: 85.7mg/g
model_entity_type: subgroup

Relationships

lower_baseline_ACR_than → FMD non-responders
non_responder_baseline_ACR
271mg/g
p_value
<=0.05

M-Diet responders

other · ID: m_diet_responders

definition: Participants with at least 30% improvement in ACR
baseline_ACR: 55.5mg/g
model_entity_type: subgroup

Relationships

lower_baseline_ACR_than → M-Diet non-responders
non_responder_baseline_ACR
563.0mg/g
p_value
<=0.05

HOMA-IR

measurement · ID: homa_ir

No attributes recorded.

Relationships

sustained_reduction_at_follow_up → FMD group
change
-1.9
p_value
<=0.05

Antihyperglycemic medication

other · ID: antihyperglycemic_medication

model_entity_type: intervention

Relationships

increased_in → all participants except three FMD participants
timepoint
follow-up

Source positions, MinHash and extraction warnings

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Previous KU: The study reports that the restrictions imposed during the pandemic were the main reason for participants dropping out after the third dietary cycle. Although the initial characteristics were similar, the fasting-like diet (FMD) showed significant advantages over the Mediterranean diet in certain subgroups, particularly in individuals with microalbuminuria, especially regarding the albumin-to-creatinine ratio (ACR) and metabolic markers. FMD also resulted in reduced urea levels, preserved eGFR, and decreased suPAR and HOMA-IR values, though lipid profiles remained unchanged.

Next KU: The study reports that metabolic and renal improvements from the fasting-mimicking diet (FMD) reversed to baseline at follow-up, while the intervention remained safe with no severe adverse events. FMD allowed for greater reductions in antihyperglycemic and antihypertensive medications compared to the Mediterranean diet control group. The discussion highlights that FMD safely improves glycemic control and HOMA-IR, with distinct fatty acid oxidation responses in patients who showed reduced albuminuria.

KU 7 · source words 2,865–3,363

9 entities · 17 relationships · 6 preceding KUs available during extraction

Recorded context summary

The study reports that metabolic and renal improvements from the fasting-mimicking diet (FMD) reversed to baseline at follow-up, while the intervention remained safe with no severe adverse events. FMD allowed for greater reductions in antihyperglycemic and antihypertensive medications compared to the Mediterranean diet control group. The discussion highlights that FMD safely improves glycemic control and HOMA-IR, with distinct fatty acid oxidation responses in patients who showed reduced albuminuria.

Fasting-mimicking diet (FMD)

method · ID: fasting_mimicking_diet_fmd

safety_profile: well tolerated
adverse_event_rate: 71 to 95% of participants reported no adverse effects
common_symptoms: weakness, muscle pain, dizziness, headache (grade 1 or 2)
severe_adverse_events: none reported (grade 3 or higher)

Relationships

reversed_to_baseline_at_follow_up → ACR, MG-H1 plasma levels, and AC plasma profile
reduced_antihyperglycemic_medication_in → 57% of participants after three cycles; 67% after six cycles
reduced_antihypertensive_medication_in → 10% of participants after three and six cycles
increased_blood_ketones → 3-fold after three and six cycles (0.50 mmol)
associated_with_sustained_improvement_in → HOMA-IR
showed_distinct_response_in → markers of fatty acid oxidation in plasma

Mediterranean diet (M-Diet)

method · ID: mediterranean_diet_m_diet

compliance_indicator: High MDS reported (6.1 MDS after three and six cycles)

Relationships

reduced_antihyperglycemic_medication_in → 32% of participants after three cycles
increased_antihyperglycemic_medication_in → 5% of participants after three cycles; 21% after six cycles
reduced_antihypertensive_medication_in → 5% of participants after three and six cycles
increased_antihypertensive_medication_in → 5% of participants after three cycles; 10% after six cycles

Hypoglycemic episodes

measurement · ID: hypoglycemic_episodes

grade_1_incidence: 10% (FMD) vs 11% (M-Diet)
grade_2_incidence: 5% (FMD) vs 11% (M-Diet)

Relationships

no_significant_difference_between_groups → FMD and M-Diet

Blood ketones

measurement · ID: blood_ketones

fmd_level_after_3_cycles: 0.50 mmol [0.32, 0.68]
fmd_level_after_6_cycles: 0.50 mmol [0.25, 0.75]
statistical_significance: P≤0.001

Relationships

increased_in → FMD group

MDS

measurement · ID: mds

m_diet_value_after_3_cycles: 6.1 [5.5, 6.7]
m_diet_value_after_6_cycles: 6.1 [5.4, 6.7]
interpretation: sign of good compliance

Relationships

reported_in → M-Diet group

Subjective health status

measurement · ID: subjective_health_status

components: somatic and depression symptoms

Relationships

no_difference_between_groups → FMD and M-Diet

MG-H1

measurement · ID: mg_h1

origin: dicarbonyl-derived

Relationships

showed_transient_reduction → FMD group

suPAR

measurement · ID: supar

classification: senescence marker

Relationships

showed_transient_reduction → FMD group

Dicarbonyl detoxification and DNA-damage/repair markers

measurement · ID: dicarbonyl_detoxification_and_dna_damage_repair_markers

No attributes recorded.

Relationships

no_difference_observed → FMD group

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Previous KU: The fasting-mimicking diet group achieved significant weight loss compared to the Mediterranean diet group, though body composition remained unchanged between groups. A 62% reduction in plasma MG-H1 was observed after three cycles, but this did not correlate with changes in albumin-to-creatinine ratio. Responders in the FMD group showed distinct acetylcarnitine levels, and only the reduction in HOMA-IR was sustained at follow-up.

Next KU: The study found that fasting-mimicking diet (FMD) reduced microalbuminuria only in patients with pre-existing microalbuminuria, with effects reversing after refeeding. Metabolic improvements were linked to reduced medication use and specific metabolic markers like acetylcarnitine and glycine, which distinguished responders from non-responders. The authors suggest that FMD's nephroprotective effects may involve ketogenesis and fatty acid oxidation, similar to SGLT-2 inhibitors, but do not prevent progression in macroalbuminuria.

KU 8 · source words 3,364–3,841

8 entities · 11 relationships · 7 preceding KUs available during extraction

Recorded context summary

The study found that fasting-mimicking diet (FMD) reduced microalbuminuria only in patients with pre-existing microalbuminuria, with effects reversing after refeeding. Metabolic improvements were linked to reduced medication use and specific metabolic markers like acetylcarnitine and glycine, which distinguished responders from non-responders. The authors suggest that FMD's nephroprotective effects may involve ketogenesis and fatty acid oxidation, similar to SGLT-2 inhibitors, but do not prevent progression in macroalbuminuria.

Fasting-mimicking diet (FMD)

method · ID: fasting_mimicking_diet_fmd

effect_on_overall_group: No change in ACR levels
effect_on_microalbuminuria_patients: Reduction in ACR
effect_on_macroalbuminuria_patients: No difference in ACR
sustained_effect: No sustained effect on albuminuria at follow-up
mechanism_hypothesis: Induction of mild ketogenesis and shift to ketolysis

Relationships

reverses_after → refeeding
associated_with_reduction_in → antihyperglycemic and antihypertensive medication
compared_to → SGLT-2 inhibitors

Microalbuminuria

other · ID: microalbuminuria

pathogenic_targets: vasculature, glomerulus, and tubular cells
response_to_fmd: Reduced in FMD group
model_entity_type: condition

Relationships

reduced_by → Fasting-mimicking diet (FMD)

Macroalbuminuria

other · ID: macroalbuminuria

response_to_fmd: No difference in ACR
implication: This suggests that FMD (Focal Segmental Glomerulosclerosis) does not offer any protection once fibrosis and a loss of kidney structure have already occurred.
model_entity_type: condition

Relationships

No relationships recorded.

SGLT-2 inhibitors

other · ID: sglt_2_inhibitors

effect_on_microalbuminuria: Reduction comparable to FMD
nephroprotective_mechanism: Induction of mild ketogenesis shifting energy metabolism to ketolysis
model_entity_type: medication_class

Relationships

compared_with → Fasting-mimicking diet (FMD)

Acetylcarnitine

other · ID: acetylcarnitine

role_in_study: Discriminated between responders and non-responders regarding ACR improvement
increase_cause: Likely due to a pronounced activation of lipolysis during a prolonged fasting period.
uncertainty: Unclear if it is a marker of compliance or a substrate for renal metabolism affecting microalbuminuria response
model_entity_type: metabolite

Relationships

associated_with → FMD responders
linked_to → circulating short-chain fatty acids

Glycine

other · ID: glycine

observation_in_study: Increased concentration in responders
known_effects: Protective effects on renal tubular injury in experimental models
potential_mechanism: May enhance Glo-1 function and restore antioxidant defense in kidney
model_entity_type: amino_acid

Relationships

associated_with → FMD responders
may_enhance → Glo-1 activity

Antihyperglycemic and antihypertensive medication

other · ID: antihyperglycemic_and_antihypertensive_medication

change_in_fmd_group: Strong reduction over time
attribution: Attributed to diet intervention reflecting improved metabolic control
model_entity_type: medication

Relationships

reduced_in → Fasting-mimicking diet (FMD) group

Kidney metabolism

other · ID: kidney_metabolism

reliance: Highly relies on lipolysis and ketone bodies
model_entity_type: biological_process

Relationships

supports → nephroprotective effects of fatty acid oxidation and ketogenesis

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Previous KU: The study reports that metabolic and renal improvements from the fasting-mimicking diet (FMD) reversed to baseline at follow-up, while the intervention remained safe with no severe adverse events. FMD allowed for greater reductions in antihyperglycemic and antihypertensive medications compared to the Mediterranean diet control group. The discussion highlights that FMD safely improves glycemic control and HOMA-IR, with distinct fatty acid oxidation responses in patients who showed reduced albuminuria.

Next KU: The study found that fasting-mimicking diet (FMD) did not activate dicarbonyl detoxification or DNA repair pathways, which may explain the rapid return of albuminuria after the intervention. The authors suggest that longer FMD periods might be necessary for nephropathy reversal, while noting that metabolic changes likely involve sustained metabolic redirection rather than just caloric restriction. Limitations include the caloric restriction in the FMD group compared to the isocaloric control, though statistical adjustments and strict glycemic control were applied.

KU 9 · source words 3,842–4,333

13 entities · 24 relationships · 8 preceding KUs available during extraction

Recorded context summary

The study found that fasting-mimicking diet (FMD) did not activate dicarbonyl detoxification or DNA repair pathways, which may explain the rapid return of albuminuria after the intervention. The authors suggest that longer FMD periods might be necessary for nephropathy reversal, while noting that metabolic changes likely involve sustained metabolic redirection rather than just caloric restriction. Limitations include the caloric restriction in the FMD group compared to the isocaloric control, though statistical adjustments and strict glycemic control were applied.

Fasting-mimicking diet (FMD)

method · ID: fasting_mimicking_diet_fmd

duration_tested: six cycles
metabolic_effect: sustained redirection of metabolism
safety_profile: no severe hypoglycemia or hypotension

Relationships

failed_to_activate → dicarbonyl detoxification pathways
failed_to_reconstitute → DNA-damage/repair
associated_with_rapid_increase_in → ACR after termination
associated_with_rapid_increase_in → suPAR after termination
requires_longer_period_for → nephropathy reversal
involves_caloric_restriction → true

Dicarbonyl detoxification pathways

other · ID: dicarbonyl_detoxification_pathways

status_in_study: not activated or reconstituted
model_entity_type: biological_process

Relationships

indicated_by_lack_of_change_in → plasma methylglyoxal
indicated_by_lack_of_increase_in → Glo-1 activity
indicated_by_lack_of_increase_in → pGlo-1 expression in WBC
indicated_by_no_change_in → hydroxyacetone in RBC

DNA-damage/repair

other · ID: dna_damage_repair

status_in_study: not reconstituted during FMD
model_entity_type: biological_process

Relationships

lack_of_reconstitution_interpreted_as_explanation_for → rapid increase of ACR after FMD termination

suPAR

measurement · ID: supar

biological_role: Indicator of accelerated aging and senescence

Relationships

showed_fast_increase_after → FMD termination

Methylglyoxal (MG)

other · ID: methylglyoxal_mg

model_entity_type: molecule

Relationships

showed_lack_of_change_in_plasma → true

Glo-1

other · ID: glo_1

model_entity_type: enzyme

Relationships

activity_did_not_increase_in → WBC

pGlo-1

other · ID: pglo_1

model_entity_type: protein

Relationships

expression_did_not_increase_in → WBC

Hydroxyacetone

other · ID: hydroxyacetone

role: reflects alternative MG detoxification pathways such as aldo-keto reductase
model_entity_type: molecule

Relationships

showed_no_change_in → RBC

MG-H1

measurement · ID: mg_h1

No attributes recorded.

Relationships

reduction_observed_after → three FMD cycles
reduction_not_observed_after → six FMD cycles
suggests_changes_are_unlikely_due_only_to → reduced energy intake

Control group diet

method · ID: control_group_diet

caloric_status: isocaloric
weight_loss: mild

Relationships

contrasted_with → caloric restriction of FMD

Statistical analysis

method · ID: statistical_analysis

No attributes recorded.

Relationships

adjusted_for → weight loss

Albuminuria

other · ID: albuminuria

model_entity_type: clinical_condition

Relationships

reduction_less_likely_affected_by → weight loss
reason
weight loss persists at refeeding while albuminuria increases
significant_reduction_observed_in_subgroup_of → patients with microalbuminuria

Baseline albuminuria levels

measurement · ID: baseline_albuminuria_levels

No attributes recorded.

Relationships

are_predictors_of → development of diabetic nephropathy in type 2 diabetes

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Previous KU: The study found that fasting-mimicking diet (FMD) reduced microalbuminuria only in patients with pre-existing microalbuminuria, with effects reversing after refeeding. Metabolic improvements were linked to reduced medication use and specific metabolic markers like acetylcarnitine and glycine, which distinguished responders from non-responders. The authors suggest that FMD's nephroprotective effects may involve ketogenesis and fatty acid oxidation, similar to SGLT-2 inhibitors, but do not prevent progression in macroalbuminuria.

Next KU: The study concludes that fasting-mimicking diet (FMD) cycles, when combined with intensive diabetes care, can reduce albuminuria and improve metabolic control in type 2 diabetes patients with microalbuminuria. Limitations include a small sample size and the absence of kidney biopsies, which restricted the exploration of renal cell metabolism. The authors suggest that continued FMD cycles may be necessary to sustain benefits, as the lack of changes in DNA repair and dicarbonyl detoxification markers may explain the relapse of albuminuria.

KU 10 · source words 4,334–4,701

5 entities · 10 relationships · 9 preceding KUs available during extraction

Recorded context summary

The study concludes that fasting-mimicking diet (FMD) cycles, when combined with intensive diabetes care, can reduce albuminuria and improve metabolic control in type 2 diabetes patients with microalbuminuria. Limitations include a small sample size and the absence of kidney biopsies, which restricted the exploration of renal cell metabolism. The authors suggest that continued FMD cycles may be necessary to sustain benefits, as the lack of changes in DNA repair and dicarbonyl detoxification markers may explain the relapse of albuminuria.

Fasting-mimicking diet (FMD)

method · ID: fasting_mimicking_diet_fmd

clinical_integration: In addition to the current guidelines, when used in conjunction with intensive diabetes management.
duration_suggestion: They could potentially be continued for an extended period.

Relationships

reduces → ACR in type 2 diabetes patients with microalbuminuria
improves → glycemic and blood pressure control
reduces → insulin resistance (sustained, adjusted for weight loss)
affects → markers of incomplete lipid oxidation in patients with improved albuminuria

Type 2 diabetes patients with microalbuminuria

other · ID: type_2_diabetes_patients_with_microalbuminuria

model_entity_type: population

Relationships

benefits_from → Fasting-mimicking diet (FMD)

Study limitations

concept · ID: study_limitations

sample_size: small
data_collection_gap: kidney biopsies not collected

Relationships

limits_exploration_of → renal cell metabolism
requires_future_studies_to_address → generalizability in larger cohorts

Markers of dicarbonyl detoxification and DNA-damage/repair

measurement · ID: markers_of_dicarbonyl_detoxification_and_dna_damage_repair

observed_change: lack of changes

Relationships

may_explain → relapse of albuminuria after six FMD cycles

Markers of incomplete lipid oxidation

measurement · ID: markers_of_incomplete_lipid_oxidation

No attributes recorded.

Relationships

show_distinct_effects_in → patients showing improvement of albuminuria
potential_use → development of new therapeutic strategies

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Previous KU: The study found that fasting-mimicking diet (FMD) did not activate dicarbonyl detoxification or DNA repair pathways, which may explain the rapid return of albuminuria after the intervention. The authors suggest that longer FMD periods might be necessary for nephropathy reversal, while noting that metabolic changes likely involve sustained metabolic redirection rather than just caloric restriction. Limitations include the caloric restriction in the FMD group compared to the isocaloric control, though statistical adjustments and strict glycemic control were applied.

Next KU: End of paper