Drugs / Methoxsalen
last change Jul 2026 re-read 8 days ago

Methoxsalen

Other / unclassified

Developed for
acute graft versus host disease · graft versus host disease · chronic graft versus host disease · colitis · Crohn disease · mycosis fungoides · diffuse cutaneous systemic sclerosis · Ewing sarcoma
+5 more · hematopoietic and lymphoid cell neoplasm · hepatitis · HIV infectious disease · mycosis fungoides and variants · prostate cancer
Investigated by
Mallinckrodt · Therakos · Immunolight, LLC · Amgen · Arbeitskreis Klinische Forschung PD Dr. med. Seiler GmbH · Boston Medical Center
+22 more · Case Western Reserve University · Central Hospital, Nancy, France · Columbia University · European Organisation for Research and Treatment of Cancer - EORTC · Hospices Civils de Lyon · ICON plc · London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's · M.D. Anderson Cancer Center · National Institute of Allergy and Infectious Diseases (NIAID) · PRA Health Sciences · Parexel · Rush University Medical Center · Sarcoma Oncology Research Center, LLC · Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins · Therakos, Inc., a Mallinckrodt Company · Tyme, Inc · University Hospital Regensburg · University Medical Center Hamburg-Eppendorf · University of Michigan Rogel Cancer Center · University of Minnesota · University of Pittsburgh · Vanderbilt University Medical Center

Regulatory milestones approvals, filings & regulatory actions · 2 recorded

MilestoneJurisdictionBrandIndicationDateSentence it was read from
Label expansion US (FDA) 8-MOP — 1988-03-23 fda.gov ↗
Approved US (FDA) 8-MOP — 1954-12-03 fda.gov ↗

Trials 21

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PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 01 trial · 1 missed
Phase 0 NCT01380535 Nov 2011 → Mar 2015 chronic graft versus host disease Mallinckrodt Completed Missed primary
Phase 12 trials
Phase 1 NCT04389281 Dec 2021 → Sep 2028 expected — Immunolight, LLC Recruiting No outcome recorded
Phase 1 NCT00056355 Mar 2003 → Nov 2005 Crohn disease National Institute of Allergy and Infectious Diseases (NIAID) Completed No outcome recorded
Phase 1/21 trial
Phase 1/2 NCT00930566 Apr 2009 → Sep 2011 hematopoietic and lymphoid cell neoplasm Hospices Civils de Lyon Unknown No outcome recorded
Phase 212 trials · 1 missed
Phase 2 NCT07619898 Jul 2026 → Dec 2028 expected colitis, hepatitis, melanoma Therakos Not yet recruiting No outcome recorded
Phase 2 NCT06646016 Dec 2025 → Feb 2026 colitis Therakos Withdrawn No outcome recorded Stop: Enrollment
Phase 2 NCT04986605 May 2025 → Jul 2028 expected diffuse cutaneous systemic sclerosis London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's Recruiting No outcome recorded
Phase 2 NCT06133192 Jan 2024 → Sep 2025 graft versus host disease Central Hospital, Nancy, France Unknown No outcome recorded
Phase 2 NCT05680558 May 2021 → Mar 2027 expected mycosis fungoides Columbia University Recruiting No outcome recorded
Phase 2 NCT03563040 Dec 2020 → Sep 2022 mycosis fungoides and variants European Organisation for Research and Treatment of Cancer - EORTC Withdrawn No outcome recorded
Phase 2 NCT04291261 May 2020 → Jun 2024 overdue acute graft versus host disease University Medical Center Hamburg-Eppendorf Active not recruiting No outcome recorded
Phase 2 NCT03778996 Jan 2020 → Dec 2027 expected Ewing sarcoma Sarcoma Oncology Research Center, LLC Active not recruiting No outcome recorded
Phase 2 NCT00639717 Mar 2009 → Jan 2012 graft versus host disease University of Michigan Rogel Cancer Center Completed No outcome recorded
Phase 2 NCT00221026 Dec 2004 → Jun 2006 Crohn disease Mallinckrodt Completed No outcome recorded
Phase 32 trials
Phase 3 NCT02524847 Jan 2016 → Jul 2019 acute graft versus host disease Therakos, Inc., a Mallinckrodt Company Terminated No outcome recorded Stop: Enrollment
Phase 3 NCT00282503 Jan 2006 → Jun 2007 acute graft versus host disease Mallinckrodt Terminated No outcome recorded Stop: Enrollment
Phase 41 trial
Phase 4 NCT00221039 Apr 2004 → Apr 2011 mycosis fungoides M.D. Anderson Cancer Center Completed No outcome recorded
Phase not applicable1 trial
— NCT00002011 — HIV infectious disease Therakos Completed No outcome recorded
Phase not stated1 trial
— NCT06836648 — prostate cancer Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins Available No outcome recorded
Comparator or background therapy11 trials
Phase 1/2 NCT02796898 Background Jun 2016 → May 2019 prostate cancer Tyme, Inc Completed No outcome recorded
Phase 2 NCT04720664 Background Sep 2021 → Feb 2023 hormone receptor-positive breast cancer Georgetown University Terminated No outcome recorded
Phase 2 NCT03605940 Background Oct 2018 → Apr 2021 acute graft versus host disease Central Hospital, Nancy, France Unknown No outcome recorded
Phase 2 NCT02322190 Background Dec 2014 → Oct 2019 chronic graft versus host disease National Cancer Institute (NCI) Terminated No outcome recorded Stop: Enrollment
Phase 2 NCT00221000 Background Aug 2003 → Oct 2006 rheumatoid arthritis Mallinckrodt Completed No outcome recorded

Evidence & citations 18 cited values

Every value below carries the sentence it was read from. 33 sources stand behind the page.

FieldValueCited text
Known as methoxsalen “Patients will receive the recommended phase 2 dose (RP2D) of SM-88 (460 mg by mouth [PO] twice a day [BID] D1 - 28) as well as three conditioning agents (MPS): methoxsalen (10...” NCT04720664 ↗
26

“The phase II aspect of the study refers to the drug, methoxsalen. Methoxsalen is being used off label from the currently approved indications in the monograph.” NCT04986605 ↗

“Racemetyrosine (SM-88) is an amino-acid analogue used with methoxsalen, phenytoin, and sirolimus (MPS) to enhance SM-88 activity.” PMID 32924093 ↗ Sep 2020

“X-PACT is comprised of a phosphor device, the drug methoxsalen sterile solution and X-ray energy.” NCT04389281 ↗

“Methoxsalen is a psoralen found in the seeds of the Ammi majus (Umbelliferae) plant.” NCT06836648 ↗

“Both systems use the drug Methoxsalen” NCT02181257 ↗

NCT00030589 ↗

NCT00004359 ↗

NCT02322190 ↗

NCT00054613 ↗

NCT03512756 ↗

Show 16 more sources

Known as 8-methoxsalen “Treatment involves the patient ingesting 8-methoxsalen (8-MOP) by mouth approximately two hours prior to each photopheresis session.” NCT00002011 ↗
Known as 8-methoxypsoralen ClinicalTrials.gov intervention name — accepted as the source's own label NCT01686594 ↗
Known as 8-MOP “methoxsalen (whether formulated as the sterile solution [Uvadex®] or as a hard gelatin capsule [8-MOP®]) can promote a strong long-term clinical response” NCT06836648 ↗
4

“Treatment involves the patient ingesting 8-methoxsalen (8-MOP) by mouth approximately two hours prior to each photopheresis session.” NCT00002011 ↗

“Oral methoxsalen (8-MOP) is administered 90 minutes prior to leukapheresis.” NCT00004359 ↗

“PUVA (8MOP + UVA) + IFN” NCT00630903 ↗

NCT00630903 ↗

Known as Deltasoralen ChEMBL registry synonym — accepted as the source's own label CHEMBL416 ↗
Known as Meladinine ChEMBL registry synonym — accepted as the source's own label CHEMBL416 ↗
Known as METHOXSALEN COMPONENT OF SM-88 ChEMBL registry synonym — accepted as the source's own label CHEMBL416 ↗
Known as Metoxalen ChEMBL registry synonym — accepted as the source's own label CHEMBL416 ↗
Known as NSC-45923 ChEMBL registry synonym — accepted as the source's own label CHEMBL416 ↗
Known as Oxsoralen ChEMBL registry synonym — accepted as the source's own label CHEMBL416 ↗
Known as Oxsoralen-ultra ChEMBL registry synonym — accepted as the source's own label CHEMBL416 ↗
Known as Oxypsoralen ChEMBL registry synonym — accepted as the source's own label CHEMBL416 ↗
Known as Puvalen ChEMBL registry synonym — accepted as the source's own label CHEMBL416 ↗
Known as Puvasoralen-8 ChEMBL registry synonym — accepted as the source's own label CHEMBL416 ↗
Known as UVADEX “methoxsalen (whether formulated as the sterile solution [Uvadex®] or as a hard gelatin capsule [8-MOP®]) can promote a strong long-term clinical response” NCT06836648 ↗
5

“UVADEX® (methoxsalen) Sterile Solution in conjunction with the THERAKOS® CELLEX Photopheresis” NCT05680558 ↗

“photoactivatable compound (UVADEX)” NCT00054600 ↗

NCT04291261 ↗

NCT00056355 ↗

NCT06133192 ↗

Known as Vitpso ChEMBL registry synonym — accepted as the source's own label CHEMBL416 ↗
Modality Other / unclassified “photoactivatable compound (UVADEX)” NCT00054600 ↗
Route Oral “ingesting 8-methoxsalen (8-MOP) by mouth” NCT00002011 ↗