Study to Evaluate DNL747 in Subjects With Amyotrophic Lateral Sclerosis
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ClinicalTrials.gov Identifier: NCT03757351 |
Recruitment Status :
Terminated
(Due to change in Sanofi's development strategy for DNL747/SAR443060 - not due to any safety concerns)
First Posted : November 28, 2018
Last Update Posted : May 12, 2022
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Condition or disease | Intervention/treatment | Phase |
---|---|---|
Amyotrophic Lateral Sclerosis | Drug: DNL747 Drug: Placebo | Phase 1 |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 15 participants |
Allocation: | Randomized |
Intervention Model: | Crossover Assignment |
Masking: | Double (Participant, Investigator) |
Primary Purpose: | Treatment |
Official Title: | A Multicenter, Randomized, Placebo-Controlled, Double-Blind, Phase 1b Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of DNL747 in Subjects With Amyotrophic Lateral Sclerosis |
Actual Study Start Date : | December 14, 2018 |
Actual Primary Completion Date : | June 18, 2020 |
Actual Study Completion Date : | June 18, 2020 |

Arm | Intervention/treatment |
---|---|
Experimental: DNL747 First, Placebo Second |
Drug: DNL747
Repeating oral dose Drug: Placebo Repeating oral dose |
Experimental: Placebo First, DNL747 Second |
Drug: DNL747
Repeating oral dose Drug: Placebo Repeating oral dose |
Experimental: Open-Label Extension
Conducted in the Netherlands only.
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Drug: DNL747
Repeating oral dose |
- Number of Subjects with Treatment-Emergent Adverse Events (AEs) and Serious Adverse Events (SAEs) [ Time Frame: Randomization - Day 86 ]
- Number of Subjects with clinically significant neurological examination abnormalities [ Time Frame: Randomization - Day 86 ]
- Number of Subjects with laboratory test abnormalities [ Time Frame: Randomization - Day 86 ]
- Pharmacokinetic measure of maximum observed plasma concentration (Cmax) of DNL747 [ Time Frame: Randomization - Day 86 ]
- Pharmacokinetic measure of time to reach maximum observed plasma concentration (Tmax) of DNL747 [ Time Frame: Randomization - Day 86 ]
- Pharmacokinetic measure of area under the plasma drug concentration-time curve (AUC) of DNL747 [ Time Frame: Randomization - Day 86 ]
- Pharmacokinetic terminal disposition rate constant (λz) with the respective t1/2 of DNL747 [ Time Frame: Randomization - Day 86 ]
- Pharmacokinetic measure of CSF concentrations of DNL747 [ Time Frame: Randomization - Day 86 ]
- Pharmacodynamic measure of pS166 in PBMCs [ Time Frame: Randomization - Day 86 ]

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
Ages Eligible for Study: | 21 Years to 80 Years (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Key Inclusion Criteria (Double-Blind Part):
- Women of non-childbearing potential and men, aged 21-80 years
- Willingness and ability to complete all aspects of the study; participant should be capable of completing assessments either alone or with help of a caregiver
- Diagnosis of laboratory-supported probable, probable, or definite (sporadic or familial) ALS according to the El Escorial World Federation of Neurology revised research diagnostic criteria
- Less than 3 years since symptom onset
- Forced vital capacity (FVC) >50% predicted measured within 30 days of screening
- If subject is taking approved ALS treatments (riluzole and/or edaravone), doses must be stable for ≥2 months prior to screening and subject is expected to stay on a stable regimen throughout the study
Key Exclusion Criteria (Double-Blind Part):
- History of a clinically significant non-ALS neurologic disorder (other than frontal temporal lobe dementia), including, but not limited to, muscular dystrophy, spinal stenosis, peripheral neuropathy, inherited neuropathies, AD, Parkinson's disease, Lewy body dementia, vascular dementia, Huntington's disease, epilepsy, stroke, multiple sclerosis, brain tumor, or brain infection or abscess
- Unstable or poorly controlled comorbid disease process of any organ system currently requiring active treatment or likely to require treatment adjustment during the study
Key Inclusion Criteria (Open-Label Extension):
- Successful completion of both periods of the the double-blind, crossover part of the study
- Continued diagnosis of laboratory-supported probable, probable, or definite (sporadic or familial) ALS according to the El Escorial World Federation of Neurology revised research diagnostic criteria
Key Exclusion Criteria (Open-Label Extension):
- Presence of laboratory abnormalities, physical examination findings, or AEs determined to be clinically significant by the investigator from the double-blind part of the study that have not resolved by the final follow-up visit as part of the double-blind study period
- New diagnosis of clinically significant neurological disorder (other than frontal temporal lobe dementia)

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT03757351
United States, Florida | |
Bioclinica | |
Orlando, Florida, United States, 32806 | |
United States, Utah | |
PRA Health Sciences | |
Salt Lake City, Utah, United States, 84124 | |
Netherlands | |
CHDR | |
Leiden, South Holland, Netherlands, 2333 |
Study Director: | Clinical Sciences & Operations | Sanofi |
Responsible Party: | Sanofi |
ClinicalTrials.gov Identifier: | NCT03757351 |
Other Study ID Numbers: |
TDR16536 DNLI-D-0003 ( Other Identifier: Denali Therapeutics Inc. ) |
First Posted: | November 28, 2018 Key Record Dates |
Last Update Posted: | May 12, 2022 |
Last Verified: | March 2021 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | Yes |
Plan Description: | Qualified researchers may request access to patient level data and related study documents including the clinical study report, study protocol with any amendments, blank case report form, statistical analysis plan, and dataset specifications. Patient level data will be anonymized and study documents will be redacted to protect the privacy of trial participants. Further details on Sanofi's data sharing criteria, eligible studies, and process for requesting access can be found at: https://vivli.org |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
Motor Neuron Disease Amyotrophic Lateral Sclerosis Sclerosis Pathologic Processes Neurodegenerative Diseases Nervous System Diseases |
Neuromuscular Diseases Spinal Cord Diseases Central Nervous System Diseases TDP-43 Proteinopathies Proteostasis Deficiencies Metabolic Diseases |