Drugs / ZYN002
last change Nov 2025 re-read 9 days ago

ZYN002

also known as cannabidiol · CBD
Developed for
fragile X syndrome · 22q11.2 deletion syndrome
Investigated by
Harmony Biosciences Management, Inc. · Zynerba Pharmaceuticals, Inc.

Trials 4

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 11 trial
Phase 1 NCT06930872 Jun → Oct 2025 — Harmony Biosciences Management, Inc. Completed No outcome recorded
Phase 21 trial
Phase 2 NCT05149898 Feb 2020 → Nov 2022 22q11.2 deletion syndrome Harmony Biosciences Management, Inc. Completed No outcome recorded
Phase 2/31 trial
Phase 2/3 NCT03614663 Jun 2018 → Jun 2020 fragile X syndrome Zynerba Pharmaceuticals, Inc. Completed Mixed
Phase 31 trial · 1 missed
Phase 3 NCT04977986 Sep 2021 → Aug 2025 fragile X syndrome Harmony Biosciences Management, Inc. Completed Missed primary

News releases announcing trial results or a regulatory action · 3

DateIssuerRelease
2025-09-24 Harmony Biosciences Management, Inc. Results Harmony Biosciences Provides Update From Its Phase 3 RECONNECT Study of ZYN002 in Fragile X Syndrome harmonybiosciences.com ↗
The RECONNECT Study did not meet the primary endpoint of improvement in social avoidance primarily due to a higher than expected placebo response rate.
2025-04-08 Harmony Biosciences Management, Inc. Results Harmony Biosciences Presents Promising Open-Label Extension Data of ZYN002 in Fragile X Syndrome harmonybiosciences.com ↗
The data showed clinically meaningful improvements in irritability-related symptoms prevalent in individuals with FXS.
2023-12-05 Harmony Biosciences Management, Inc. Results HARMONY BIOSCIENCES TO PRESENT RESULTS FROM BEHAVIORAL STUDY IN 22Q11.2 DELETION SYNDROME AT AMERICAN COLLEGE OF NEUROPSYCHOPHARMACOLOGY ANNUAL MEETING harmonybiosciences.com ↗
This framework proposes endpoint measures to assess the treatment of behavioral symptoms associated with the condition, which currently lacks FDA-approved treatments and affects approximately 80,000 individuals in the U.S. and 129,000 in the EU and UK .

Evidence & citations 4 cited values

Every value below carries the sentence it was read from. 5 sources stand behind the page.

FieldValueCited text
Known as ZYN002 “ZYN002 (transdermal), midazolam (oral), omeprazole (oral), losartan (oral), dextromethorphan (oral), caffeine (oral), repaglinide (oral), bupropion (oral)” NCT06930872 ↗
3

NCT04977986 ↗

NCT03614663 ↗

NCT05149898 ↗

Known as cannabidiol “DESIGN: CONNECT-FX was a double-blind, randomized phase 3 trial assessing efficacy and safety of ZYN002, transdermal cannabidiol gel, for the treatment of behavioral symptoms...” PMID 36434514 ↗ Nov 2022
1

“cannabidiol (CBD) administered as ZYN002” NCT05149898 ↗

Known as CBD “cannabidiol (CBD) administered as ZYN002” NCT05149898 ↗
Route Other “ZYN002 (transdermal)” NCT06930872 ↗