ClinicalTrials.gg
RecruitingNCT07346079Updated Jan 20, 2026

Purified Cortrophin® Gel Efficacy and Safety Study of 2 Dose Levels in Patients With Acute Gout Flares

A Phase 4 interventional study of Purified Cortophin Gel, 40 U and Purified Cortophin Gel 80 U in Gout Arthritis, Gout Flare and Gout, sponsored by Massachusetts General Hospital. Recruiting at 1 site in United States. Open to participants aged 18 Years to 90 Years. Per ClinicalTrials.gov, last updated 2026-01-20.

Sponsored by Massachusetts General Hospital · Phase 4, Interventional, and Treatment

From the registry’s dates

  • Started Dec 2025; still recruiting 10 months later.
Phase
Phase 4
Study type
Interventional
Enrollment
150
Allocation
Randomized
Ages
18 Years to 90 Years
Sex
All
01

Where this study stands

Counted across the records on this site · 2026-11-12

Among 15 studies in Arthritis, Gouty with a site in United States — 3 open to participants now, 4 under way, 1 of them phase 3. Arthritis, Gouty · United States.

Planned enrollment
8th of 14
150 · median 225
Started
2025
with 2 others
Phase 4
Only one
of the 15
Registered
15th of 15
by date
Lead sponsor
1 of 15
Massachusetts General Hospital

Among the 15 studies in Arthritis, Gouty with a site in United States, this one is the 8th largest by planned enrollment of the 14 interventional ones that give a count, is one of 3 that started in 2025, is the only one in phase 4, and was the 15th registered.

Arthritis, Gouty

47 studies on the registry are indexed under Arthritis, Gouty; 16 are open to participants now.

Browse Arthritis, Gouty studies →

Open to participants now

3 of the 15 studies in Arthritis, Gouty with a site in United States are open now. Recruiting first, the newest first:

All 3 open studies →

A study can be open while its sites in United States have not opened yet or have stopped. Only those recruiting at a site in United States →

Who these studies take

Of the 9 Arthritis, Gouty studies recruiting now, 8 (89%) set no upper age limit and 0 (0%) stop at 75 or younger; 0 take children under 18; 1 take healthy volunteers.

This study: 18 Years to 90 Years · all sexes · no healthy volunteers.

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02

Study summary

This is a randomized, multicenter, double-blind, single administration study to investigate the efficacy and safety of 2 dosing regimens of Purified Cortrophin® Gel in the treatment of an acute gouty arthritis flare.

The study consists of three periods: an optional pre-screening period, a double-blind treatment period, and a 7-day follow-up period.

The treatment period is double-blind, and the patients will be randomized to treatment with 40 U Purified Cortrophin® Gel or 80 U Purified Cortrophin® Gel in a 1:1 ratio. Purified Cortrophin® Gel will be administered once (either subcutaneously or intramuscularly) on the first visit (Day 0; Visit 1) and surveyed after 24 hours (Day 1), 48 hours (Day 2), and 72 hours (Day 3; Visit 2) as well as on Day 7.

03

Conditions studied

  • Gout Arthritis
  • Gout Flare
  • Gout
04

Who can participate

Ages eligible
18 Years to 90 Years
Sexes eligible
All
Accepts healthy volunteers
No

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • Signed to participate in this study
  • Male and female patients, aged 18-85 years
  • Meeting the 2015 Gout classification criteria of the ACR/EULAR collaborative initiative
  • Onset of current acute gout flare within 5 days prior to study entry
  • of less than or equal to 45 kg/m2
  • Baseline pain intensity ≥ 50 mm on the 0-100 mm visual analog scale (VAS)
  • History of ≥ 1 gout flares within the 12 months prior to study entry
  • The patient meets at least one of the following criteria for both NSAIDs and colchicine treatment options:
  • Minimum of one episode of being intolerant, or unresponsive to the treatment, see Appendices 2-4.
  • The investigator deems the patient is either or inappropriate for the treatment. Inappropriateness could be due to anticipated changes in patient status (i.e., such as worsening of comorbidities or use of concomitant medication), see Appendices 2-4.
  • Patients must be willing and capable of using an electronic device (e.g., cellphone) and must have access to a cellphone to be able to complete surveys.

Exclusion criteria

Exclusion Criteria:

  • Patients with scleroderma, osteoporosis, active or recurrent bacterial, fungal or viral infections, ocular herpes simplex, recent surgery (within 2 weeks prior to randomization or have an unhealed operation wound(s)), history of or the presence of a peptic ulcer, uncontrolled congestive heart failure, uncontrolled hypertension, uncontrolled diabetes type 1 or 2, or sensitivity to proteins derived from porcine sources.
  • Patients with primary adrenocortical insufficiency or adrenocortical hyperfunction.
  • Rheumatoid arthritis, evidence or suspicion of infectious/septic arthritis, or other acute inflammatory arthritis.
  • Polyarticular gouty arthritis involving more than 4 joints.
  • Participation in another concurrent study within 30 days of randomization or has taken an investigational drug within five times the half-life of that investigational drug has passed.
  • Previous inclusion in this study.
  • Presence of severe renal function impairment: estimated \<30 mL/min/1.73m2 (CKD stages 4 and 5).
  • Uncontrolled hematologic, CNS, hepatic, pulmonary, gastrointestinal, metabolic, or endocrine disease as deemed by the investigator.
  • Presence of any medical or psychological condition or laboratory result that might create risk to the patients (or interfere with the patient's ability to comply with the protocol requirements, or to complete the study) in the opinion of the investigator.
  • Prior or current treatment with any ACTH product.
  • Pregnant or nursing (lactating) women. Women of childbearing age are required to be using an acceptable method of .
  • Patients taking urate-lowering therapy had to be on a stable dose and regimen for ≥2 weeks before entering the study and remain on a stable dosage and regimen for at least 1 week after Purified Cortrophin® Gel.
  • Use of specified pain relief medications or biologics (including , narcotics, paracetamol/acetaminophen, NSAIDs, colchicine, IL-blockers and tumor necrosis factor [TNF] inhibitors) within specified periods (see Appendix 5) prior to randomization.

    • Vaccination within 30 days prior to study enrollment and during the study period.
Terms in these criteria, in plain language(8)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

Informed consent

Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.

You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.

BMI (body mass index)

Weight in kilograms divided by height in metres squared. Example: 70 kg and 1.75 m gives 70 ÷ (1.75 × 1.75) ≈ 22.9.

What counts as overweight or obesity differs between countries (some use lower cut-offs), so go by the range the study states.

Contraindication

A reason a treatment, test or procedure should not be given to a particular person, such as an allergy, another illness or a medicine they take.

Investigational drug or device

A drug or device being studied in a clinical trial.

It may be new, or already approved and being studied for another use, dose or form. Criteria often leave out people who took part in another study of one within a recent period, commonly 30 days or five half-lives.

Creatinine clearance (CrCl)

How quickly the kidneys clear creatinine, a waste product, from the blood. A study may estimate it from a blood test with age, weight and sex (often by the Cockcroft–Gault formula), or measure it using blood and urine collected over a set time. Given in mL/min; higher is better.

Clinically significant

Judged by the study doctor to matter for your health or for the study. It is a doctor’s decision, so ask the study team if you are unsure whether something counts.

Contraception

Ways of preventing pregnancy. “Highly effective” methods fail less than 1% of the time a year when used correctly — for example an IUD or an implant.

Criteria usually say which methods count and how long to keep using them after the last dose, sometimes for male participants too. Some studies accept a partner’s vasectomy if it was confirmed successful and that person is the participant’s only sexual partner.

Corticosteroids (steroids)

Anti-inflammatory medicines such as prednisone, prednisolone and dexamethasone — not the anabolic steroids used for muscle.

Studies differ in what they allow: check which steroid medicines, routes (tablets, injections, creams, inhalers, eye drops) and doses this study accepts.

05

Study design

Phase
Phase 4
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Double (Participant, Investigator)
Enrollment
150 participants (estimated)

Study arms

  • Experimental
    Purified Cortophin Gel 40 U

    Patients in this arm will receive the 40 U dose at Day 0

    Drug: Purified Cortophin Gel, 40 U

  • Experimental
    Purified Cortophin Gel 80 U

    Patients in this arm will receive the 80 U dose at Day 0

    Drug: Purified Cortophin Gel 80 U

Interventions

  • DrugPurified Cortophin Gel, 40 U

    This will be the 40 U dose of the purified Cortophin Gel

  • DrugPurified Cortophin Gel 80 U

    This will be the 80 U dose of the purified Cortophin Gel

06

What researchers measure

Primary outcomes

  1. Change in gout pain intensity from baseline in target join to 72 hours post-injection

    Change in gout pain intensity from baseline in the target joint following PCG administration measured by Visual Analog Scale (VAS) at 72 hours post-injection (Day 3; Visit 2). Patients will score their pain intensity in the joint most affected at baseline (i.e., the index joint) on a 0-100 mm visual analogue scale (VAS), ranging from no pain (0) to unbearable pain (100).

    Time frame: From baseline to Day 3/Visit 2

Secondary outcomes

  1. Change in gout pain from baseline in target joint at Day 1

    Change in gout pain intensity from baseline in the target joint following Purified Cortrophin® Gel administration measured by Visual Analog Scale (VAS) at Day 1 (24 hours post-injection). Minimum value: 0 Maximum value: 10 Higher score indicates worse outcome.

    Time frame: From baseline to Day 1

  2. Change in gout pain intensity from baseline in target joint to Day 2

    Change in gout pain intensity from baseline in the target joint following Purified Cortrophin® Gel administration as measured by Visual Analog Scale (VAS) at Day 2 (48 hours post-injection). Minimum value: 0 Maximum value: 10 Higher score indicates worse outcome.

    Time frame: From baseline to Day 2

  3. Change in pain intensity timeline at baseline, 24 hours, 48 hours, 72 hours, and Day 7 post-injection.

    Change in pain intensity timeline at baseline, 24 hours, 48 hours, 72 hours, and Day 7 post-injection.

    Time frame: From baseline to Day 7

  4. Time to onset of effect (≥20% change from baseline pain intensity on VAS).

    Time to onset of effect (≥20% change from baseline pain intensity on VAS).

    Time frame: From baseline to end of study (Day 7)

  5. Time to response (≥50% change from baseline pain intensity on VAS).

    Time to response (≥50% change from baseline pain intensity on VAS).

    Time frame: From baseline to end of study (Day 7)

  6. Patient Global Self-Assessment to treatment: (24 hours, 48 hours, 72 hours, and Day 7 post-injection).

    Patient Global Self-Assessment to treatment: (24 hours, 48 hours, 72 hours, and Day 7 post-injection). 4 - Excellent 3 - Good 2 - Acceptable 1 - Slight 0 - Poor Lower scores indicate worse outcomes.

    Time frame: From baseline to end of study (Day 7)

  7. Physician assessment of inflammatory signs: (baseline [Day 0; Visit 1], 72 hours [Day 3; Visit 2])

    Physician assessment of inflammatory signs: (baseline \[Day 0; Visit 1\], 72 hours \[Day 3; Visit 2\]) * Physician assessment of joint tenderness 0 - No pain 1. \- Mild/patient there is pain when touched 2. \- Moderate/patient states there is pain and winces 3. \- Severe/patient states there is pain, winces and withdraws. * Physician assessment of joint swelling 0 - No swelling 1. \- Mild swelling/palpable 2. \- Moderate swelling/visible 3. \- Severe swelling/bulging beyond the joint margins * Physician assessment of erythema Absent or Present o Physician assessment of target joint range of motion 0 - Normal 1. \- Mildly restricted 2. \- Moderately restricted 3. \- Severely restricted 4. \- Immobilized The above answers will be totaled - minimum value: 0, max: 12. Higher values indicate worse outcomes.

    Time frame: From baseline to end of study (Day 7)

  8. Physician assessment of local tolerability at injection site (at 72 hours post-injection).

    Physician assessment of local tolerability at injection site (at 72 hours post-injection) Notes presence of redness, swelling, pain, bruising, itching (no numerical values).

    Time frame: Day 3 (Visit 2)

  9. Use of rescue medication (up to 72-hours post-injection).

    Use of rescue medication (up to 72-hours post-injection).

    Time frame: From baseline to Day 3/Visit 2

  10. Safety assessment - AEs, SAEs

    Notes presence, description, duration of an AE, and whether the AE is serious.

    Time frame: From baseline to end of study (Day 7)

  11. Safety Assessment - Vital Signs

    Height and Weight will be collected, and used to calculate the participant's BMI

    Time frame: Day 1 Visit and Day 3 Visit

  12. Safety Assessment - Laboratory Measurements

    Biochemistry: Aspartate aminotransferase (AST) Alanine aminotransferase (ALT) Total bilirubin (if \>upper limit of normal also conjugated and non-conjugated bilirubin) Alkaline phosphatase (ALP) Prothrombin Time/International Normalized Ratio (PT/INR)‡¥§ Albumin Cholesterol (total, LDL, and HDL) Triglycerides Creatinine◊§ Sodium (Na) Potassium (K) Ferritin Erythrocyte sedimentation rate Uric acid Glucose\*¥ HbA1c Troponin T C-reactive protein (CRP) Serum amyloid A (SAA) Calcium Magnesium Hematology: Hemoglobin Hematocrit White blood cells Differential blood count Thrombocytes Urine analysis: Albumin U-erythrocytes Abnormal test findings, if changed significantly from baseline will be noted. Minimum and maximum values, as well as indications of higher or lower values vary depending on the test.

    Time frame: Day 1 and Day 3

Other outcomes

  1. Levels of inflammatory markers (baseline [Day 0; Visit 1], 72 hours [Day 3; Visit 2])

    Levels of inflammatory markers (baseline \[Day 0; Visit 1\], 72 hours \[Day 3; Visit 2\]) * C-reactive protein * Serum amyloid A

    Time frame: From baseline to Day 3/Visit 2

  2. Change from baseline in health-related quality-of-life Gout Attack Intensity Score (GAIS) at Day 0 (Visit 1) and at Day 3 (72-hours post-injection; Visit 2) (19).

    Change from baseline in health-related quality-of-life Gout Attack Intensity Score (GAIS) at Day 0 (Visit 1) and at Day 3 (72-hours post-injection; Visit 2) (19). 1. How much pain is your gout causing you today? (color in one box completely) * 1 No pain * 2 Mild pain * 3 Moderate pain * 4 A lot of pain * 5 Extreme pain 2. How tender to the touch are the gout-affected parts of your body today? (colour in one box completely) * 1 Not tender * 2 Slightly tender * 3 Fairly tender * 4 Very tender * 5 Extremely tender 3. How swollen are the gout-affected parts of your body today? (colour in one box completely) * 1 Not swollen * 2 Somewhat swollen * 3 Fairly swollen * 4 Very swollen * 5 Extremely swollen The answers across all three questions will be totaled, with higher scores indicating worse outcomes. Minimum value: 3, maximum value: 15

    Time frame: From baseline to Day 3/Visit 2

07

Study locations

1 of 1 sites recruiting
08

References and documents

Individual participant data

Plan to share: No — IPD will only be shared with the sponsor.

No publications or documents are linked to this record.

09

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reached

Started Dec 2025 (actual). Primary completion is estimated for Aug 2027, 20 months after the start.

How these figures are worked out, and which studies are left out of them.

Registered
Dec 19, 2025
First posted
Jan 16, 2026
StartActual
Dec 20, 2025
Primary completionEst.
Aug 31, 2027
CompletionEst.
Aug 31, 2027
Last update
Jan 20, 2026
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on Jan 20, 2026, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT07346079
Collaborators
ANI Pharmaceuticals
Responsible party
Hyon Choi (Physician Investigator, Massachusetts General Hospital) — Principal investigator
First posted
Jan 16, 2026
Start date
Dec 20, 2025
Primary completion
Aug 31, 2027 (estimated)
Completion
Aug 31, 2027 (estimated)
Last update
Jan 20, 2026

Study contacts

Ana D Fernandes, MA
Contact
adfernandes@mgh.harvard.edu
617-643-2140
Hyon K Choi, MD, DrPH
principal investigator · Massachusetts General Hospital

Oversight

Data monitoring committee
No
FDA-regulated drug
Yes
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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