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Diclofenac

Phase 4FDA approved

Postoperative Pain | Small molecule | Pain |Pfizer, Inc.|Trials Updated: Oct 29, 2021

Diclofenac development status

FDA approval on record Oct 18, 2013
Approval holderZyla
ApplicationNDA204592
Highest phase Phase 4 (NCT00640432)
Phase scored for PFEPhase 3
Registered trials 17 across 9 sponsors since Aug 2005

Diclofenac target and mechanism

Molecular targetPTGS2, PTGS1
Target classInhibitor
ModalitySmall molecule
ChEMBLCHEMBL139

Also known as IV Diclofenac, Diclofenac SR

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials1
Total Enrollment277

FDA Designations

No designations recorded

Diclofenac clinical trials

Diclofenac · 1 trial · 1 indication

Phase 3 1
NCT00507026Efficacy and Safety of IV Diclofenac (DIV075V)for Pain After Elective Orthopedic SurgeryPostoperative Pain
COMPLETED277 Analytics
PHASE3COMPLETED
Efficacy and Safety of IV Diclofenac (DIV075V)for Pain After Elective Orthopedic Surgery
Postoperative PainUnlock trial analytics

Study Endpoints

Primary Endpoints

Sum of the Pain Intensity Differences (SPID) Over 24 Hours
Over 24 hours post first dose

Pain intensity was measured on VAS (from 0 mm to 100 mm: 0 = no pain, 100 = worst possible pain). For each post dose time point, pain intensity difference (PID) is derived by subtracting the pain intensity at the post dose time point from the baseline intensity score (baseline score - post-baseline score). A positive difference is indicative of improvement. SPIDs was calculated by multiplying the PID score at each post-dose time point by the duration (in hours) since the preceding time point and then summing these values over the specific time period. SPID over 24 hours ranges from -2400 to 2400. A higher value indicates a better pain reduction.

Sum of the Pain Intensity Differences (SPID) Over 48 Hours
Over 48 hours post first dose

Pain intensity was measured on VAS (from 0 mm to 100 mm: 0 = no pain, 100 = worst possible pain). For each post dose time point, PID is derived by subtracting the pain intensity at the post dose time point from the baseline intensity score (baseline score - post-baseline score). A positive difference is indicative of improvement. SPIDs was calculated by multiplying the PID score at each post-dose time point by the duration (in hours) since the preceding time point and then summing these values over the specific time period. SPID over 48 hours ranges from -4800 to 4800. A higher value indicates a better pain reduction.

Sum of the Pain Intensity Differences (SPID) Over 72 Hours
Over 72 hours post first dose

Pain intensity was measured on VAS (from 0 mm to 100 mm: 0 = no pain, 100 = worst possible pain). For each post dose time point, PID is derived by subtracting the pain intensity at the post dose time point from the baseline intensity score (baseline score - post-baseline score). A positive difference is indicative of improvement. SPIDs was calculated by multiplying the PID score at each post-dose time point by the duration (in hours) since the preceding time point and then summing these values over the specific time period. SPID over 72 hours ranges from -7200 to 7200. A higher value indicates a better pain reduction.

Sum of the Pain Intensity Differences (SPID) Over 96 Hours
Over 96 hours post first dose

Pain intensity was measured on VAS (from 0 mm to 100 mm: 0 = no pain, 100 = worst possible pain). For each post dose time point, PID is derived by subtracting the pain intensity at the post dose time point from the baseline intensity score (baseline score - post-baseline score). A positive difference is indicative of improvement. SPIDs was calculated by multiplying the PID score at each post-dose time point by the duration (in hours) since the preceding time point and then summing these values over the specific time period. SPID over 96 hours ranges from -9600 to 9600. A higher value indicates a better pain reduction.

Sum of the Pain Intensity Differences (SPID) Over 120 Hours
Over 120 hours post first dose

Pain intensity was measured on VAS (from 0 mm to 100 mm: 0 = no pain, 100 = worst possible pain). For each post dose time point, PID is derived by subtracting the pain intensity at the post dose time point from the baseline intensity score (baseline score - post-baseline score). A positive difference is indicative of improvement. SPIDs was calculated by multiplying the PID score at each post-dose time point by the duration (in hours) since the preceding time point and then summing these values over the specific time period. SPID over 120 hours ranges from -12000 to 12000. A higher value indicates a better pain reduction.

Secondary Endpoints

Pain Intensity Differences (PID) Over Time
Baseline (0 hour), 5, 10, 15, 30, 45 minutes post first dose, 1, 2, 3, 5, 6, 9, 12, 15, 18, 21, 24, 48, 72, 96, 120 hours post first dose
Percentage of Participants Attaining Greater Than or Equal to (>=) 30 Percent (%) Reduction From Baseline in Pain Intensity
Baseline (0 hour), 5, 30 minutes post first dose, 1, 24, 48, 72, 90, 120 hours post first dose
Total Pain Relief (TOTPAR)
0-24, 0-48, 0-72, 0-96 and 0-120 hours post first dose
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
AEXPERIMENTALDIC075V (IV diclofenac)
BACTIVE_COMPARATORIV Ketorolac
CPLACEBO_COMPARATORPlacebo

Interventions

NameTypeDescription
IV DiclofenacDRUGIV Diclofenac q6h
IV ketorolacDRUGIV ketorolac q6h
PlaceboDRUGPlacebo q6h
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Eligibility Criteria

Age Range18 Years to 85 Years
SexALL
Healthy VolunteersNo
Study Sites8

Inclusion Criteria: * Scheduled within three weeks of the screening visit to undergo elective orthopedic surgery. * Moderate to severe pain within 6 hours following completion of the required surgery. Exclusion Criteria: * Chronic pain conditions. * Chronic disease or recent cardiovascular events...

Countries:United States
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Frequently asked questions about Diclofenac

What is Diclofenac used for in postoperative pain?

Diclofenac is a small molecule drug being developed for the treatment of postoperative pain. It is designed to relieve pain following surgical procedures, including elective orthopedic surgery. The clinical program has evaluated it in adult patients aged 18 years and older in the United States.

What does Diclofenac target?

Diclofenac targets PTGS2 and PTGS1, also known as cyclooxygenase-2 and cyclooxygenase-1. It acts as an inhibitor of these enzymes. By inhibiting PTGS2 and PTGS1, Diclofenac interferes with the pathways these targets are involved in, which underlies its activity in pain management.

Who makes Diclofenac?

Diclofenac is being developed by Pfizer, Inc., which trades on the New York Stock Exchange under the ticker PFE. Pfizer is the company responsible for advancing the Diclofenac program, including the intravenous formulation studied in postoperative pain.

What phase is Diclofenac in?

Diclofenac is in Phase 3 clinical development for postoperative pain. It is an investigational agent and is not approved for this use. The Phase 3 trial in the program has been completed, and no trials are currently listed as active.

What clinical trials is Diclofenac in?

Diclofenac has been studied in one completed Phase 3 trial, NCT00507026, titled Efficacy and Safety of IV Diclofenac (DIV075V) for Pain After Elective Orthopedic Surgery. The trial enrolled 277 participants in the United States, was randomized, double blind, and placebo controlled, and included adults aged 18 years and older.

Is Diclofenac the same as IV Diclofenac or Diclofenac SR?

Yes. Diclofenac is also known as IV Diclofenac and Diclofenac SR. These names refer to the same drug asset, with the IV designation reflecting the intravenous formulation evaluated in the postoperative pain Phase 3 trial. Readers searching for IV Diclofenac or Diclofenac SR are looking at the same compound.