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NCT03953820
Diazepam Buccal Film (DBF) - Diastat Rectal Gel (DRG) Crossover Study
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Summary Quick facts Who can join Endpoints Results Adverse events Publications Related trials Sources
Completed
Phase 1, PHASE2
Results posted
Last updated 18 August 2020
What this trial tests
Phase 1, PHASE2 trial testing Diazepam Buccal Film in Epilepsy in 31 participants. Completed in 31 July 2019.
Timeline
13 April 2019
Primary endpoint 31 July 2019
31 July 2019
Quick facts
Lead sponsor Aquestive Therapeutics
Phase Phase 1, PHASE2
Status Completed
Study type INTERVENTIONAL
Allocation randomized
Design crossover
Masking none
Primary purpose treatment
Enrollment 31
Start date 13 April 2019
Primary completion 31 July 2019
Estimated completion 31 July 2019
Sites 3 locations across United States
Drugs / interventions tested
Conditions studied
Sponsor
Aquestive Therapeutics — full company profile →
Who can join
Adults 18 to 65, any sex, with Epilepsy. Patients with the condition only — healthy volunteers not accepted.
Results — posted to ClinicalTrials.gov
Per-arm endpoint measurements with 95% confidence intervals where reported. Source: trial results section.
AUC 0-t
Primary
· 0.5, 0.75, 1, 105, 2, 3, 4, 6, 9, 12, 24, 48, 72, 96, 120, 144, 192, and 240 hours post-dose
Area Under Plasma Concentration-Time Curve From Time Zero to the last non-zero concentration
Group Value 95% CI DBF Following Moderate-Fat Meal 7290.40 5935.35 – 8954.81 DRG Following a Moderate Fat Meal 5682.09 4625.97 – 6979.31 DBF Following a High Fat Meal 8288.63 6801.31 – 10100.00
AUC 0-inf
Primary
· 0.5, 0.75, 1, 105, 2, 3, 4, 6, 9, 12, 24, 48, 72, 96, 120, 144, 192, and 240 hours post-dose
Area under concentration time curve, from time 0 extrapolated to infinity
Group Value 95% CI Diazepam Buccal Film Following a Moderate Fat Meal 8672.09 7553.47 – 9956.32 Diastat Rectal Gel Following a Moderate Fat Meal 6880.96 5993.38 – 7899.98 Diazepam Buccal Film Following a High-Fat Meal 8903.79 7500.99 – 10568.93
Cmax
Primary
· 0.5, 0.75, 1, 105, 2, 3, 4, 6, 9, 12, 24, 48, 72, 96, 120, 144, 192, and 240 hours post-dose
Maximum observed plasma concentration
Group Value 95% CI Diazepam Buccal Film Following a Moderate-Fat Meal 204.25 163.41 – 255.32 Diastat Rectal Gel Following a Moderate-Fat Meal 211.22 168.98 – 264.02 Diazepam Buccal Film Following a High-Fat Meal 181.61 138.08 – 240.60
Adverse events — posted to ClinicalTrials.gov
Time frame: Adverse event data were collected from the time of signing the Informed Consent until at least 2 weeks following the last study drug administration (50 days overall)..
Reporting threshold: 5%.
Adverse-event reports describe events observed during the trial — not all are caused by the drug.
Diazepam Buccal Film Following a Moderate-Fat Meal
Serious: 0/31 (0%)
Deaths: 0/31
Diastat Rectal Gel Following a Moderate-Fat Meal
Serious: 0/29 (0%)
Deaths: 0/29
Diazepam Buccal Film Following a High-Fat Meal
Serious: 0/10 (0%)
Deaths: 0/10
Other adverse events (6 terms — click to expand) Reaction System Diazepam Buccal Film Follo… Diastat Rectal Gel Followi… Diazepam Buccal Film Follo… Somnolence Nervous system disorders — — — Headache Nervous system disorders — — — Dizziness Nervous system disorders — — — Sedation Nervous system disorders — — — Dysgeusia Nervous system disorders — — — Fatigue General disorders — — —
Data from ClinicalTrials.gov NCT03953820 adverse events section .
Sponsor's own description
This was a multiple centers, single-dose, open-label, randomized two-sequence crossover, two-period study to evaluate the pharmacokinetics (PK) of single doses of Diazepam Buccal Film (DBF) compared with Diastat® Rectal Gel (DRG) under fed conditions in adult male and female participants on a stable concomitant regimen of anti-epileptic drugs for the treatment of epilepsy.
Publications & conference data
2 peer-reviewed publications reference this trial (live from Europe PMC):
An Updated Overview of the Emerging Role of Patch and Film-Based Buccal Delivery Systems.
Jacob S, Nair AB, Boddu SHS, Gorain B, et al ·
· 2021
· cited 72×
· PMID 34452167
· DOI 10.3390/pharmaceutics13081206
Pathophysiology to Risk Factor and Therapeutics to Treatment Strategies on Epilepsy.
Boleti APA, Cardoso PHO, Frihling BEF, de Moraes LFRN, et al ·
· 2024
· cited 14×
· PMID 38248286
· DOI 10.3390/brainsci14010071
Verify or expand the search:
Other trials of Diazepam Buccal Film
Trials testing the same drug.
NCT03222349 — Pharmacokinetics and Safety Study of Diazepam Buccal Film (DBF) in Pediatric Subjects With Epilepsy
· Phase 2
· completed
Other recruiting trials for Epilepsy
Currently open trials in the same condition.
NCT07095933 — The Safety and Efficacy Evaluation of Everolimus as an Adjunctive Treatment for Focal Refractory Epilepsy
· EARLY_PHASE1
· recruiting
NCT07224191 — Hippocampal Oscillations During Exploration
· NA
· recruiting
NCT07219407 — A Long-term Study of the Safety and Effectiveness of RAP-219 in Adults With Focal Onset Seizures
· Phase 2
· recruiting
NCT07417280 — LIFUS For Neurological Disorders
· NA
· recruiting
NCT07490769 — Levetiracetam Three Times Daily in Epilepsy
· Phase 3
· recruiting
Other Aquestive Therapeutics trials
Trials by the same sponsor.
NCT06527937 — Pharmacokinetics Study of DESF in Adults With Oral Allergy Syndrome
· Phase 2
· completed
NCT03679975 — Riluzole Oral Soluble Film (ROSF) Swallowing Safety in Amyotrophic Lateral Sclerosis (ALS)
· Phase 2
· terminated
NCT03457753 — Riluzole Oral Soluble Film Safety and Tolerability in Amyotrophic Lateral Sclerosis
· Phase 2
· withdrawn
NCT03428360 — Safety and Tolerability Study of Diazepam Buccal Film (DBF) in Subjects With Epilepsy
· Phase 3
· completed
NCT03222349 — Pharmacokinetics and Safety Study of Diazepam Buccal Film (DBF) in Pediatric Subjects With Epilepsy
· Phase 2
· completed
Verify against primary sources
Data sources for this page
Trial protocol + status : ClinicalTrials.gov NCT03953820 (US National Library of Medicine, public domain)
Publications : Europe PMC API search by NCT ID, retrieved 10 June 2026
Drug + disease cross-links : matched in real time against Drug Landscape's normalised drug + company + condition tables
Sponsor : as reported to ClinicalTrials.gov by Aquestive Therapeutics
Last refreshed : 18 August 2020
Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT03953820.
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