Drugs / Nalbuphine
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Nalbuphine

Small molecule

Developed for
idiopathic pulmonary fibrosis · prurigo · prurigo nodularis · acute respiratory distress syndrome · anxiety · burning mouth syndrome · delirium · depressive disorder
+6 more · ectopic pregnancy · obstructive sleep apnea syndrome · rotator cuff syndrome · temporomandibular joint dysfunction syndrome · nephrolithiasis · sickle cell disease
Investigated by
Trevi Therapeutics · Assiut University · Cairo University · Hayatabad Medical Complex · Sun Yat-sen University · Syneos Health
+48 more · Tri-Service General Hospital (TSGH) · University of California, San Francisco · Yangtze River Pharmaceutical Group Jiangsu Zilong Pharmaceutical Co. Ltd · Abdelhamid, Bassant Mohamed, M.D. · Ahmed Elbadawy Mahmoud · Alexandria University · Alzahraa Ahmed Abbas · Atef Kamel Salama · Bahaa Mohammed Refaie · Benha University · CMH Lahore Medical College and Institute of Dentistry · Chengdu Jinjiang Maternity and Child Health Hospital · Children's Cancer Hospital Egypt 57357 · Chulalongkorn University · Chun Pan · Davita Clinical Research · Dr. Asma Abdus Salam · Dr. Waseem Ullah · Fudan University · Hairong Chen · Hua-Qing Shu · Kaohsiung Medical University Chung-Ho Memorial Hospital · Kasr El Aini Hospital · Lili Jia · Lumosa Therapeutics Co., Ltd. · Mohamed, Ahmed A., M.D. · Mostafa Abdalwahab Elberry · Muhammad Aamir Latif · Nadia Yossif Helmy · Nantes University Hospital · National Taiwan University Hospital · Parexel · Peking University First Hospital · PhytoHealth Corporation · Qianfoshan Hospital · Sargodha Medical College · Sheikh Zayed Medical College · Southeast University, China · Taichung Veterans General Hospital · Thammasat University · The First Affiliated Hospital of Anhui Medical University · Union Hospital, Tongji Medical College, Huazhong University of Science and Technology · University Medical Centre Ljubljana · University of British Columbia · Xijing Hospital · Yichang Humanwell Pharmaceutical Co., Ltd., China · Yung Shin Pharm. Ind. Co., Ltd. · Zhongda Hospital

Regulatory milestones approvals, filings & regulatory actions · 2 recorded

MilestoneJurisdictionBrandIndicationDateSentence it was read from
Label expansion US (FDA) NUBAIN — 1986-10-23 fda.gov ↗
Approved US (FDA) NUBAIN — 1979-05-15 fda.gov ↗

Trials 67 · started per year

today
US approved 1979
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PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 01 trial
Phase 0 NCT05298761 Dec 2023 → Mar 2024 — Sheikh Zayed Medical College Unknown No outcome recorded
Phase 17 trials · 1 met primary
Phase 1 NCT07487740 Feb → Apr 2026 overdue — Trevi Therapeutics Recruiting No outcome recorded
Phase 1 NCT06902103 Dec 2023 — Yangtze River Pharmaceutical Group Jiangsu Zilong Pharmaceutical Co. Ltd Completed No outcome recorded
Phase 1 NCT04020016 Jun 2019 → Feb 2020 — Trevi Therapeutics Completed No outcome recorded
Phase 1 NCT04018664 May → Dec 2018 opioid abuse Trevi Therapeutics Completed Met primary
Phase 1 NCT02446301 Jan → Apr 2015 neurological pain disorder Lumosa Therapeutics Co., Ltd. Completed No outcome recorded
Phase 1 NCT02373215 Apr → Nov 2013 — Trevi Therapeutics Completed No outcome recorded
Phase 1 NCT00923000 Dec 2008 → Dec 2009 — Tri-Service General Hospital (TSGH) Unknown No outcome recorded
Phase 25 trials · 2 met primary
Phase 2 NCT07671924 Jun 2026 → Sep 2027 expected — Trevi Therapeutics Recruiting No outcome recorded
Phase 2 NCT05964335 Feb 2024 → Apr 2025 idiopathic pulmonary fibrosis Trevi Therapeutics Completed Met primary
Phase 2 NCT04030026 Oct 2019 → May 2022 idiopathic pulmonary fibrosis Trevi Therapeutics Completed Met primary
Phase 2 NCT03470077 Jul 2019 → Sep 2020 — Assiut University Completed No outcome recorded
Phase 2 NCT03034382 Jan 2016 → May 2017 rotator cuff syndrome Assiut University Unknown No outcome recorded
Phase 2/38 trials · 2 met primary
Phase 2/3 NCT06996561 Sep 2025 → Jan 2027 expected appendicitis, gallbladder disorder, urinary bladder disorder Dr. Asma Abdus Salam Recruiting No outcome recorded
Phase 2/3 NCT06785571 Aug 2023 → Oct 2025 overdue respiratory failure Union Hospital, Tongji Medical College, Huazhong University of Science and Technology Recruiting No outcome recorded
Phase 2/3 NCT03497975 Aug 2018 → May 2022 prurigo nodularis Trevi Therapeutics Completed Met primary
Phase 2/3 NCT02174432 Aug 2015 → Sep 2017 prurigo, prurigo nodularis Trevi Therapeutics Completed No outcome recorded
Phase 2/3 NCT02174419 Mar 2015 → Aug 2016 prurigo, prurigo nodularis Trevi Therapeutics Completed No outcome recorded
Phase 2/3 NCT02143973 Sep 2014 → Jan 2016 — Trevi Therapeutics Completed No outcome recorded
Phase 2/3 NCT02143648 Jun 2014 → Jul 2015 prurigo Trevi Therapeutics Completed Met primary
Phase 2/3 NCT02193620 Apr 2013 → Sep 2014 — PhytoHealth Corporation Completed No outcome recorded
Phase 37 trials
Phase 3 NCT07868419 Sep 2026 → Aug 2027 expected idiopathic pulmonary fibrosis Trevi Therapeutics Recruiting No outcome recorded
Phase 3 NCT07671911 Jun 2026 → Jun 2028 expected idiopathic pulmonary fibrosis Trevi Therapeutics Recruiting No outcome recorded
Phase 3 NCT06949852 Aug 2024 → Jul 2025 — Yangtze River Pharmaceutical Group Jiangsu Zilong Pharmaceutical Co. Ltd Completed No outcome recorded
Phase 3 NCT06306040 Apr → Nov 2024 delirium Assiut University Unknown No outcome recorded
Phase 3 NCT05576675 May 2018 → Mar 2022 — Xijing Hospital Completed No outcome recorded
Phase 3 NCT03825887 Feb 2018 → Dec 2020 acute myeloid leukemia Children's Cancer Hospital Egypt 57357 Completed No outcome recorded
Phase 3 NCT00323154 Mar → Dec 2004 — University of British Columbia Completed No outcome recorded
Phase 417 trials
Phase 4 NCT07837492 Oct 2026 → Oct 2027 expected — Assiut University Not yet recruiting No outcome recorded
Phase 4 NCT07271849 Oct 2025 → Oct 2026 expected — Qianfoshan Hospital Recruiting No outcome recorded
Phase 4 NCT06722963 Jan 2025 → Jan 2026 overdue — Assiut University Not yet recruiting No outcome recorded
Phase 4 NCT06736496 Jan 2025 → Jan 2026 overdue gallbladder disorder Assiut University Not yet recruiting No outcome recorded
Phase 4 NCT06720506 Jan 2025 → Jan 2026 overdue — Assiut University Not yet recruiting No outcome recorded
Phase 4 NCT06490614 Jul → Oct 2024 overdue — Kasr El Aini Hospital Not yet recruiting No outcome recorded
Phase 4 NCT07008443 Jan 2024 → Apr 2025 — Alzahraa Ahmed Abbas Completed No outcome recorded
Phase 4 NCT06037330 Sep 2023 → Apr 2026 overdue acute respiratory distress syndrome Hairong Chen Recruiting No outcome recorded
Phase 4 NCT05769530 May 2023 → May 2025 — Lili Jia Completed No outcome recorded
Phase 4 NCT05689242 Mar 2023 → Mar 2024 — Assiut University Unknown No outcome recorded
Phase not applicable22 trials
— NCT07422558 Mar → Aug 2026 overdue — Hayatabad Medical Complex Not yet recruiting No outcome recorded
— NCT07294352 Jan → Jul 2026 — CMH Lahore Medical College and Institute of Dentistry Completed No outcome recorded
— NCT07340008 Sep 2025 → Jan 2028 expected cleft lip/palate, congenital alveolar dysplasia University Medical Centre Ljubljana Recruiting No outcome recorded
— NCT07009808 Jun → Oct 2025 overdue anxiety, depressive disorder, ectopic pregnancy Chengdu Jinjiang Maternity and Child Health Hospital Not yet recruiting No outcome recorded
— NCT06594224 Mar → Aug 2024 — Muhammad Aamir Latif Completed No outcome recorded
— NCT07348159 Mar → Dec 2024 — Dr. Waseem Ullah Completed No outcome recorded
— NCT06153602 Dec 2023 → Nov 2024 — Chulalongkorn University Completed No outcome recorded
— NCT06837129 Nov 2023 → Feb 2025 — Thammasat University Completed No outcome recorded
— NCT07543913 Apr 2023 → Jan 2024 — Sargodha Medical College Completed No outcome recorded
— NCT04932083 Jun 2021 → Jan 2022 — Benha University Completed No outcome recorded
Comparator or background therapy51 trials
Phase 0 NCT05880459 Comparator Aug 2023 → Nov 2024 — Assiut University Unknown No outcome recorded
Phase 1 NCT07279727 Comparator Jan → Dec 2026 expected — Assiut University Not yet recruiting No outcome recorded
Phase 1 NCT05276206 Comparator Mar 2022 — Egymedicalpedia Completed No outcome recorded
Phase 1 NCT05245721 Comparator Mar 2022 → Jan 2023 — Assiut University Unknown No outcome recorded
Phase 1 NCT04256434 Comparator Jan → May 2020 — Lumosa Therapeutics Co., Ltd. Completed No outcome recorded

News releases announcing trial results or a regulatory action · 22

DateIssuerRelease
2026-01-22 Trevi Therapeutics Results Trevi Therapeutics Announces Publication of Data from the Phase 2b IPF Chronic Cough Trial of nalbuphine ER in the Journal of the American Medical Association (JAMA) trevitherapeutics.com ↗
The statistically-significant reduction in 24-hour objective cough frequency across all dose groups shows the potential that nalbuphine ER has for the treatment of chronic cough in patients with IPF.
2025-06-02 Trevi Therapeutics Results Trevi Therapeutics Announces Positive Topline Results from the Phase 2b CORAL Trial of Haduvio in Patients with Idiopathic Pulmonary Fibrosis Chronic Cough trevitherapeutics.com ↗
The primary endpoint in the CORAL trial was achieved, demonstrating statistically significant reductions in 24-hour cough frequency across all dose groups at Week 6.
2025-05-20 Trevi Therapeutics Results Trevi Therapeutics Announces Additional Analyses from Phase 2a RIVER Trial of Haduvio in Patients with Refractory Chronic Cough trevitherapeutics.com ↗
Patients on Haduvio experienced a statistically-significant improvement (p<0.0001) in the patient-reported Leicester Cough Questionnaire at Day 21 (108 mg BID).
2025-03-10 Trevi Therapeutics Results Trevi Therapeutics Announces Positive Topline Results from the Phase 2a RIVER Trial of Haduvio in Patients with Refractory Chronic Cough trevitherapeutics.com ↗
Haduvio met the primary endpoint with a statistically-significant reduction in the objective 24-hour cough frequency of 67% from baseline and 57% on a placebo-adjusted basis (p<0.0001).
2024-12-03 Trevi Therapeutics Results Trevi Therapeutics Announces Positive Topline Results from Human Abuse Potential Study of Oral Nalbuphine trevitherapeutics.com ↗
Topline results demonstrated a statistically significant lower "Drug Liking" for the clinical doses of oral nalbuphine (81mg and 162mg) compared to 6mg IV butorphanol.
2024-09-26 Trevi Therapeutics Results Trevi Therapeutics Announces Additional Analyses of Cough Relief Time from Ph2a CANAL Trial Accepted for Oral Presentation at CHEST 2024 trevitherapeutics.com ↗
The results demonstrated a significant increase in relief-of-cough time, reduced cough time, and reduced cough intensity in IPF patients with nalbuphine ER compared with placebo.
2023-10-13 Trevi Therapeutics Results Trevi Therapeutics Announces Results from Phase 2b/3 PRISM Open-Label Extension Study of Haduvio™ in Prurigo Nodularis trevitherapeutics.com ↗
The long-term data also supports the continued effectiveness of Haduvio in reducing itch over 52 weeks for the participants who remained in the study.
2023-05-22 Trevi Therapeutics Results Trevi Therapeutics Announces Publication of Positive Data from the CANAL Trial in IPF Chronic Cough in NEJM Evidence trevitherapeutics.com ↗
Nalbuphine ER resulted in a rapid and marked reduction in recorded daytime cough among patients suffering from IPF-related cough
2022-10-27 Trevi Therapeutics Results Trevi Therapeutics to Present Final Data from Phase 2 Trial of Oral Nalbuphine Extended Release for Chronic Cough in IPF at BTS' Winter Meeting trevitherapeutics.com ↗
2022-09-19 Trevi Therapeutics Results Trevi Therapeutics Announces Positive Data from Full Set of Subjects in Phase 2 CANAL Trial of Haduvio™ in the Treatment of Chronic Cough in Idiopathic Pulmonary Fibrosis trevitherapeutics.com ↗
Data from full set of subjects was statistically significant for the primary efficacy endpoint of daytime cough frequency reduction (p<0.0001)
2022-06-29 Trevi Therapeutics Results Trevi Therapeutics Reports Positive Results from the Ph2b/3 PRISM Trial of Haduvio™ in the Treatment of Prurigo Nodularis trevitherapeutics.com ↗
Haduvio (oral nalbuphine ER) demonstrated statistically significant results on the primary efficacy endpoint as measured by a 4-point reduction in the Worst Itch – Numerical Rating Scale (WI-NRS) (p=0.0157)
2022-03-17 Trevi Therapeutics Results Trevi Therapeutics Announces Fourth Quarter and Year End 2021 Financial Results and Business Update trevitherapeutics.com ↗
Interim Analysis in Phase 2 CANAL Trial Showed Primary Efficacy Endpoint of Cough Reduction in Idiopathic Pulmonary Fibrosis was Highly Statistically Significant (p-value less than 0.0001)

All press releases naming this drug 34 releases

DateIssuerRelease

Evidence & citations 16 cited values

Every value below carries the sentence it was read from. 120 sources stand behind the page.

FieldValueCited text
Known as Nalbuphine “A Randomized, Double-Blind, Placebo-Controlled Twelve-Week Fixed-Dose Study to Evaluate the Efficacy and Safety of Nalbuphine Extended-Release Tablets for the Treatment of...” NCT07868419 ↗
116

“The primary hypothesis to be tested in this double blind, randomized controlled trial is that Nalbuphine is equivalent to morphine for pain control and patients will suffer...” NCT01380197 ↗

“Pharmacokinetic Study of Single and Multiple Intravenous Administration of Nalbuphine Hydrochloride Injection in Healthy Chinese Volunteers” NCT06902103 ↗

“Nalbuphine, a mixed agonist-antagonist opioid, has a potential to attenuate the mu-opioid effects and to enhance the kappa-opioid effects.” NCT04689217 ↗

“A Food Effect Study to Evaluate the Relative Bioavailability of Nalbuphine Extended-Release Tablets (NAL ER) in Healthy Participants” NCT07487740 ↗

“Idiopathic Pulmonary Fibrosis (IPF)-Related Chronic Cough Reduction With Nalbuphine Extended-Release (NAL ER) Tablets” NCT07671911 ↗

“The Effect of Nalbuphine Extended-Release (NAL ER) on Cough in Participants With Refractory Chronic Cough (RCC)” NCT07671924 ↗

“Oral Nalbuphine in Idiopathic Pulmonary Fibrosis-Associated Cough: The CORAL Randomized Clinical Trial.” PMID 41569557 ↗ Mar 2026

“The pump contains 0.5 mg nalbuphine/ ml. the basal rate is 5ml/h and lock out time is 10 min” NCT06155968 ↗

“Nalbuphine Tablets for Cough in Patients with Idiopathic Pulmonary Fibrosis.” PMID 38320144 ↗ May 2023

“Intravenous Nalbuphine in Decreasing Postoperative Pain in Cesarean Section” NCT05276206 ↗

Show 106 more sources

Known as EN-2234A ChEMBL registry synonym — accepted as the source's own label CHEMBL895 ↗
Known as Intapan ChEMBL registry synonym — accepted as the source's own label CHEMBL895 ↗
Known as NAL ER “OBJECTIVE: To evaluate the efficacy and safety of two oral doses of the kappa opioid agonist and mu opioid antagonist nalbuphine extended release (NAL-ER) tablets in a phase 2,...” PMID 34780095 ↗ Dec 2021
4

“A Food Effect Study to Evaluate the Relative Bioavailability of Nalbuphine Extended-Release Tablets (NAL ER) in Healthy Participants” NCT07487740 ↗

“Idiopathic Pulmonary Fibrosis (IPF)-Related Chronic Cough Reduction With Nalbuphine Extended-Release (NAL ER) Tablets” NCT07671911 ↗

“The Effect of Nalbuphine Extended-Release (NAL ER) on Cough in Participants With Refractory Chronic Cough (RCC)” NCT07671924 ↗

“administered nalbuphine extended-release tablets (NAL ER) as a potential cough therapy for such patients.” PMID 38320144 ↗ May 2023

Known as Nalbufina ChEMBL registry synonym — accepted as the source's own label CHEMBL895 ↗
Known as Nalbufine hydrochloride ChEMBL registry synonym — accepted as the source's own label CHEMBL895 ↗
Known as nalbuphine extended release “OBJECTIVE: To evaluate the efficacy and safety of two oral doses of the kappa opioid agonist and mu opioid antagonist nalbuphine extended release (NAL-ER) tablets in a phase 2,...” PMID 34780095 ↗ Dec 2021
Known as Nalbuphine HCl “Nalbuphine HCl 20mg, IM injection” NCT02446301 ↗
1

“Drug: Nalbuphine HCl” NCT04256434 ↗

Known as Nalbuphine hydrochloride “Nalbuphine hydrochloride has strong analgesic effect, quick effect and long time by stimulating receptor, and has partial antagonistic effect on the receptor, so the incidence...” NCT04372342 ↗
2

“Patients will receive intrathecal injection of 2 ml of 0.5% hyperbaric bupivacaine plus 1ml nalbuphine hydrochloride (1.6 mg); (nalufin 20 mg in 1 ml ampoule, Amoun...” NCT03535792 ↗

“Nalbuphine hydrochloride injection (80mg) plus 0.9% saline are combined into 80 ml self-controlled analgesic pump, which will be run 25minutes before ablation under...” NCT05073744 ↗

Known as NALUFIN “39 patients of this group will receive 10 mg of 0.5% hyperbaric bupivacaine (Buvanest Spinal 0.5% Heavy) with 0.5 mg morphine (Infumorph - Injection 10 mg/mL) plus 0.2 mg...” NCT02716129 ↗
1

“Patients will receive intrathecal injection of 2 ml of 0.5% hyperbaric bupivacaine plus 1ml nalbuphine hydrochloride (1.6 mg); (nalufin 20 mg in 1 ml ampoule, Amoun...” NCT03535792 ↗

Known as NSC-757829 ChEMBL registry synonym — accepted as the source's own label CHEMBL895 ↗
Known as Nubain ChEMBL registry synonym — accepted as the source's own label CHEMBL895 ↗
Known as Nubian “The purpose of this study was to investigate a possible response to nalbuphine (Nubian) and morphine with traditional Chinese herbs in healthy volunteers.” NCT00923000 ↗
Action Activate “κ receptor agonist/μ receptor partial antagonistic type analgesia drug” NCT02604797 ↗
Modality Small molecule “Nalbuphine is a small molecular weight, water-soluble molecule” NCT02373215 ↗
Route Intravenous “50 - 100 mcg/kg intravenously” NCT00323154 ↗