ClinicalTrials.gg
CompletedNCT04535609STRIDEUpdated May 8, 2024Results posted

An Efficacy and Safety Study of 24 Week Treatment With Mavodelpar (REN001) in Primary Mitochondrial Myopathy Patients

A Phase 2 interventional study of Mavodelpar and Placebo in Primary Mitochondrial Myopathy, sponsored by Reneo Pharma Ltd. Completed at 41 sites in 15 countries. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2024-05-08.

Sponsored by Reneo Pharma Ltd · Phase 2, Interventional, and Treatment

Phase
Phase 2
Study type
Interventional
Enrollment
213
Allocation
Randomized
Ages
18 Years and older
Sex
All
01

Where this study stands

Counted across the records on this site · 2026-11-12

Among 19 studies in Mitochondrial Myopathies with a site in United States — 6 open to participants now, 8 under way, none of them phase 3. Mitochondrial Myopathies · United States.

Enrollment
Largest of 12
213 · median 50
Started
2021
the only one that year
Phase 2
5 of 19
none open now
Registered
10th of 19
by date
Lead sponsor
1 of 19
Reneo Pharma Ltd

Among the 19 studies in Mitochondrial Myopathies with a site in United States, this one has the largest enrollment of the 12 interventional ones that give a count, is the only one that started in 2021, is one of 5 in phase 2, and was the 10th registered.

Mitochondrial Myopathies

46 studies on the registry are indexed under Mitochondrial Myopathies; 14 are open to participants now.

Browse Mitochondrial Myopathies studies →

Open to participants now

6 of the 19 studies in Mitochondrial Myopathies with a site in United States are open now. Recruiting first, the newest first:

1 more — sign in →

All 6 open studies →

A study can be open while its sites in United States have not opened yet or have stopped. Only those recruiting at a site in United States →

Who these studies take

Of the 13 Mitochondrial Myopathies studies recruiting now, 8 (62%) set no upper age limit and 4 (31%) stop at 75 or younger; 6 take children under 18; 6 take healthy volunteers.

This study: 18 Years and older · all sexes · no healthy volunteers.

The full table on the hub →

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Watch this landscapeDownload CSVNarrow it in search →With an account: a weekly mail of what changed among 19 studies in Mitochondrial Myopathies with a site in United States, or all of them as a file.
02

Study summary

This is a randomized, double-blind, placebo-controlled, parallel group, multi-centre, study designed to investigate the efficacy and safety of REN001 administered once daily over a 24-week period to patients with PMM.

03

Conditions studied

  • Primary Mitochondrial Myopathy
04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  1. Subjects age 18 years or older with PMM as defined by the International Workshop: Outcome measures and clinical trial readiness in primary mitochondrial myopathies in children and adult (Mancuso et al 2017).
  2. A confirmed PMM diagnosis due to known pathogenic gene mutation or deletion of the mitochondrial genome. The Sponsor may authorize local genetic testing at Screening, if required, but results must be available prior to randomization of the subject.
  3. Documented PMM primarily characterized by exercise intolerance or active muscle pain.
  4. Subjects must be ambulatory and able to perform the walking tests independently (walking aids are allowed).
  5. Have no changes to any therapeutic exercise regimen within 30 days prior to Day 1 and be willing to remain on the same therapeutic exercise regimen for the duration of the study.
  6. Females should be either of non- or must agree to use highly effective methods of from Screening through to 30 days after last dose in the study. Males with partners who are WOCBP must also use contraception.
  7. Concomitant medications (including supplements) must be stable for at least 1 month prior to enrolment and throughout participation in the study.
  8. Evidence of a personally signed and dated document indicating that the subject has been informed of all pertinent aspects of the study.

Exclusion criteria

Exclusion:

  1. Participation in a prior REN001 (previously known as HPP-593) study.
  2. Currently taking or anticipated to need a PPAR agonist during the study.
  3. Subjects with bone deformities or motor abnormalities other than related to the mitochondrial myopathy that may interfere with the outcome measures.
  4. kidney disease or impairment calculated as Grade 2 or above \<60ml/min/1.73m2 using the Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) creatinine equation at Screening.
  5. Clinically significant liver disease or impairment of or ALT Grade 2 or above (>2.5 x ), or Total > 1.6 x ULN or >ULN with other signs and symptoms of hepatotoxicity at Screening.
  6. Subjects with uncontrolled diabetes and/or a Screening of ≥11%.
  7. Evidence of significant concomitant clinical disease that may need a change in management during the study or could interfere with the conduct or safety of this study. (Stable well-controlled chronic conditions such hypercholesterolemia, gastroesophageal reflux, or depression under control with medication (other than tricyclic antidepressants), are acceptable provided the symptoms and medications would not be predicted to compromise safety or interfere with the tests and interpretations of this study.)
  8. Subjects with a history of cancer. A history of in situ basal cell carcinoma in the skin is allowed.
  9. Clinically significant cardiac disease and/or clinically significant abnormalities such as 2nd degree heart block, symptomatic tachyarrhythmia or unstable arrythmia (right bundle branch block, left fascicular block and long PR interval are not excluded) that in the opinion of the Investigator should exclude the subject from completing exercise tests.
  10. Evidence of hospitalization for rhabdomyolysis within the year prior to enrolment.
  11. Pregnant or nursing females.
  12. History of sensitivity to PPAR agonists.
Terms in these criteria, in plain language(10)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

Childbearing potential

Able to become pregnant: from the first period until menopause, unless permanently unable to through surgery (removal of the womb, or of both ovaries or both fallopian tubes).

Criteria for people of childbearing potential usually ask for a negative pregnancy test and for contraception during the study and for a time after it.

Contraception

Ways of preventing pregnancy. “Highly effective” methods fail less than 1% of the time a year when used correctly — for example an IUD or an implant.

Criteria usually say which methods count and how long to keep using them after the last dose, sometimes for male participants too. Some studies accept a partner’s vasectomy if it was confirmed successful and that person is the participant’s only sexual partner.

Informed consent

Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.

You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.

Clinically significant

Judged by the study doctor to matter for your health or for the study. It is a doctor’s decision, so ask the study team if you are unsure whether something counts.

GFR and eGFR (kidney filtering)

GFR (glomerular filtration rate) is how much blood the kidneys filter each minute. It is usually estimated from a blood test — eGFR, by formulas such as CKD-EPI or MDRD — and some studies ask for it to be measured directly instead. Usually given in mL/min/1.73 m².

Check the method, the units and the minimum the study states. A value of 90 or above is in the normal-or-high range, but kidney damage can show in other tests too.

ALT and AST (liver enzymes)

Two enzymes measured in a routine blood test of the liver. Higher levels can mean the liver is under strain or damaged. SGPT and SGOT are older names for ALT and AST.

Criteria usually give a limit as a multiple of the upper limit of normal (ULN), often higher when cancer has spread to the liver.

ULN (upper limit of normal)

The top of the normal range for a blood test, as set by the laboratory that runs it. Each lab prints its own range next to your result.

“≤ 2.5 × ULN” means the result can be up to two and a half times that top value.

Bilirubin

A yellow substance made when red blood cells are broken down, which the liver clears. A high level can mean a problem with the liver or the bile ducts.

Criteria often allow more for people with Gilbert’s syndrome, a harmless inherited condition that raises bilirubin.

HbA1c

A blood test of average blood sugar over the past two to three months, given as a percentage or in mmol/mol. 6.5% (48 mmol/mol) or more is the usual threshold for diabetes, normally confirmed by a second test.

ECG (electrocardiogram)

A recording of the heart’s electrical activity, taken with stickers on the chest, arms and legs. It takes a few minutes and does not hurt.

05

Study design

Phase
Phase 2
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Quadruple (Participant, Care provider, Investigator, Outcomes assessor)
Enrollment
213 participants (actual)

Study arms

  • Experimental
    Mavodelpar

    Once daily

    Drug: Mavodelpar

  • Placebo comparator
    Matched placebo

    Once daily

    Drug: Placebo

Interventions

  • Once daily

    Also known as: REN001

  • DrugPlacebo

    Once daily

06

What researchers measure

Primary outcomes

  1. Change in Distance Walked During a 12 Minute Walk Test

    Distance walked in meters

    Time frame: Baseline to Week 24

Secondary outcomes

  1. Change in PROMIS Short Form - Fatigue 13a (FACIT-fatigue) Scores

    The PROMIS is a 13-item questionnaire to describe fatigue and its impact upon daily activities and function. Each item is scored between 1=Not At All and 5=Very Much

    Time frame: Baseline to Week 24

07

Results

Posted Apr 3, 2024

Participant flow

Participant flow — Overall Study
MilestoneMavodelparMatched Placebo
Started108104
Completed10098
Not completed86

Outcome measures

PrimaryChange in Distance Walked During a 12 Minute Walk Test

Distance walked in meters

Time frame:
Baseline to Week 24
Reported as:
Mean · meters
Change in Distance Walked During a 12 Minute Walk Test
metersMavodelparMatched Placebo
Change in Distance Walked During a 12 Minute Walk Test26.75 (12.97 to 40.53)30.89 (15.03 to 46.74)
SecondaryChange in PROMIS Short Form - Fatigue 13a (FACIT-fatigue) Scores

The PROMIS is a 13-item questionnaire to describe fatigue and its impact upon daily activities and function. Each item is scored between 1=Not At All and 5=Very Much

Time frame:
Baseline to Week 24
Reported as:
Mean · score on a scale
Change in PROMIS Short Form - Fatigue 13a (FACIT-fatigue) Scores
score on a scaleMavodelparMatched Placebo
Change in PROMIS Short Form - Fatigue 13a (FACIT-fatigue) Scores-0.98 (-2.03 to 0.08)-2.60 (-3.80 to -1.40)

Adverse events

Collected over 24 weeks. Non-serious events are listed at a 5% frequency threshold.

Adverse event summary by group
GroupDeathsSeriousOther
Mavodelpar1/108 (0.9%)8/108 (7.4%)85/108 (78.7%)
Matched Placebo0/104 (0%)7/104 (6.7%)81/104 (77.9%)
Most frequent serious events
Showing 10 of 22
Most frequent serious events
EventMavodelparMatched Placebo
Cerebrovascular AccidentNervous system disorders2/1080/104
COVID-19Infections and infestations0/1081/104
Pneumonia InfluenzaInfections and infestations0/1081/104
Atrioventricular BlockCardiac disorders0/1081/104
Coronary Artery DiseaseCardiac disorders0/1081/104
Nodal RhythmCardiac disorders0/1081/104
HaematemesisGastrointestinal disorders0/1081/104
Cervical Vertebral FractureInjury, poisoning and procedural complications0/1081/104
Limb InjuryInjury, poisoning and procedural complications0/1081/104
Rib FractureInjury, poisoning and procedural complications0/1081/104
Most frequent other events
Showing 10 of 14
Most frequent other events
EventMavodelparMatched Placebo
COVID-19Infections and infestations20/10813/104
Refraction DisorderEye disorders20/10815/104
HeadacheNervous system disorders10/10813/104
Blood Creatine Phosphokinase IncreasedInvestigations11/1083/104
DiarrheaGastrointestinal disorders10/1083/104
NauseaGastrointestinal disorders10/1084/104
FatigueGeneral disorders7/1089/104
VomitingGastrointestinal disorders9/1085/104
Back PainMusculoskeletal and connective tissue disorders9/1084/104
MyalgiaMusculoskeletal and connective tissue disorders9/1086/104

Baseline characteristics

Age, Customized
Age, Customized(Participants)MavodelparMatched PlaceboTotal
18-25 years12618
26-45 years344478
46-64 years5149100
=>65 years11516
Sex: Female, Male
Sex: Female, Male(Participants)MavodelparMatched PlaceboTotal
Female7576151
Male332861
Ethnicity (NIH/OMB)
Ethnicity (NIH/OMB)(Participants)MavodelparMatched PlaceboTotal
Hispanic or Latino178
Not Hispanic or Latino10193194
Unknown or Not Reported6410
Race/Ethnicity, Customized
Race/Ethnicity, Customized(Participants)MavodelparMatched PlaceboTotal
Asian134
White9995194
Not Reported437
Other437
Region of Enrollment
Region of Enrollment(participants)MavodelparMatched PlaceboTotal
North America171532
Australia71017
Europe8479163
08

Study locations

41 sites
  • University of California, San Diego
    La Jolla, California 92093, United States
  • Myology Institute, University of Florida
    Gainesville, Florida 32608, United States
  • Massachusetts General Hospital
    Boston, Massachusetts 02114, United States
  • Columbia University Irving Medical Center
    New York, New York 10032, United States
  • Akron Children's Hospital
    Akron, Ohio 44308, United States
  • The Children's Hospital of Philadelphia
    Philadelphia, Pennsylvania 19104, United States
  • UPMC Children's Hospital of Pittsburgh
    Pittsburgh, Pennsylvania 15224, United States
  • University of Texas SouthWestern Medical Center
    Dallas, Texas 75390, United States
  • Centre for the Treatment of Pediatric Neurodegenerative Disease, University of Texas McGovern Medical School
    Houston, Texas 77025, United States
  • Royal North Shore Hospital
    St Leonards, New South Wales 2065, Australia
  • PARC Clinical Research
    Adelaide, South Australia 5000, Australia
  • The Alfred Hospital
    Melbourne, Victoria 3004, Australia
  • University Hospital Leuven
    Leuven, 3000B, Belgium
  • M.A.G.I.C. Clinic (Metabolics and Genetics in Calgary)
    Calgary, Alberta T2E 7Z4, Canada
  • Adult Metabolic Diseases Clinic, Vancouver General Hospital
    Vancouver, British Columbia V5Z 1M9, Canada
  • General University Hospital in Prague
    Prague, 12808, Czechia
  • Rigshospitalet, University of Copenhagen
    Copenhagen, 2100, Denmark
  • Hôpitaux Universitaires de Strasbourg
    Strasbourg, Grand Est 67200, France
  • Hôpital Roger Salengro
    Lille, Hauts-de-France 59037, France
  • Centre Hospitalier Universitaire d' Angers
    Angers, Pays de la Loire Region 49933, France
  • Hôpital Neurologique Pierre Wertheimer
    Bron, 69599, France
  • CHU de Nice
    Nice, 06202, France
  • Hôpital Pitié-Salpêtrière
    Paris, Île-de-France Region 75651, France
  • University Hospital Bonn Clinic and Polyclinic for Neurology
    Bonn, 53127, Germany
  • Medical Center of the University of Munich Friedrich Baur Institute at the Neurological Clinic and Polyclinic
    Munich, 80336, Germany
  • Semmelweis University Insitute of Genomics and Rare Disorders
    Budapest, 1082, Hungary
  • University of Pécs Clinical Centre, Department of Neurology
    Pécs, 7623, Hungary
  • Fondazione Policlinico Universitario Agostino Gemelli IRCCS Neurophysiopathology Unit
    Rome, Lazio 00168, Italy
  • Fondazione IRCCS Istituto Neurologico "Carlo Besta" UOC Genetica Medica e Neurogenetica
    Milan, Lombardy 20126, Italy
  • A.O.U Policlinico di Messina U.O.C Neurologia e Malattie Neuromuscolari
    Messina, Sicily 98125, Italy
  • Azienda Ospedaliero-Universitaria Pisana Dipartimento di specialita' mediche UOC Neurologia
    Pisa, Tuscany 56126, Italy
  • IRCCS Istituto delle Scienze Neurologiche
    Bologna, 40139, Italy
  • Radboud Universitair Medisch Centrum
    Nijmegen, 6525EX, Netherlands
  • University of Auckland
    Auckland, 1023, New Zealand
  • Haukeland University Hospital
    Bergen, N-5053, Norway
  • Hospital Clinic de Barcelona
    Barcelona, 8036, Spain
  • Hospital Universitario 12 de Octubre
    Madrid, 08041, Spain
  • Hospital Universitari i Politècnic La Fe
    Valencia, 46026, Spain
  • Queen Square Centre for Neuromuscular Diseases
    London, Greater London WC1N 3BG, United Kingdom
  • Salford Royal NHS Foundation Trust
    Salford, Greater Manchester M6 8HD, United Kingdom
  • The Newcastle upon Tyne Hospitals NHS Foundation Trust
    Newcastle upon Tyne, Tyne and Wear NE1 4LP, United Kingdom
09

References and documents

Study documents

PDFs hosted by the registry, ClinicalTrials.gov.

Individual participant data

Plan to share: No

10

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reached

Ran from May 2021 to primary completion in Sep 2023, 27 months.

Results were first posted in Apr 2024, 6 months after primary completion.

How these figures are worked out, and which studies are left out of them.

Registered
Aug 27, 2020
First posted
Sep 2, 2020
StartActual
May 21, 2021
Primary completionActual
Sep 12, 2023
CompletionActual
Oct 5, 2023
Results first posted
Apr 3, 2024
Last update
May 8, 2024
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on May 8, 2024, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
11

Registry details

Key details

Study ID
NCT04535609
Lead sponsor
Reneo Pharma Ltd
Responsible party
Sponsor
First posted
Sep 2, 2020
Start date
May 21, 2021
Primary completion
Sep 12, 2023
Completion
Oct 5, 2023
Results posted
Apr 3, 2024
Last update
May 8, 2024

Study contacts

Amel Karaa, MD
principal investigator · Massachusetts General Hospital (MGH)

Oversight

Data monitoring committee
No
FDA-regulated drug
Yes
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Apr 2024. You cannot join it, but the record below documents what was studied.

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Discussion

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Studies of the drug tested here: Mavodelpar

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