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TerminatedNCT05348681Updated Jun 13, 2023Results posted

A Study to Evaluate RIST4721 in Hidradenitis Suppurativa (HS)

A Phase 2 interventional study of RIST4721 and Placebo in Hidradenitis Suppurativa, sponsored by Aristea Therapeutics, Inc.. Terminated at 12 sites in 2 countries. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2023-06-13.

Sponsored by Aristea Therapeutics, Inc. · Phase 2, Interventional, and Treatment

Why this study was terminated
Due to safety findings in ongoing Phase 2 trials.
Phase
Phase 2
Study type
Interventional
Enrollment
25
Allocation
Randomized
Ages
18 Years and older
Sex
All
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Study summary

A Randomized, Double-blinded, Placebo-controlled, Phase 2a Study to Evaluate the Efficacy and Safety of RIST4721 in Subjects with Hidradenitis Suppurativa

02

Conditions studied

  • Hidradenitis Suppurativa
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In context

Hidradenitis Suppurativa

277 studies on the registry are indexed under Hidradenitis Suppurativa; 88 are open to participants now.

This study's enrollment of 25 is below the median of 45 across 195 interventional studies indexed under Hidradenitis Suppurativa.

Browse Hidradenitis Suppurativa studies →

Lead sponsor

Aristea Therapeutics, Inc. is the lead sponsor of 6 studies on the registry; none are open to participants now.

Counted across the registry records on this site, refreshed daily.

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Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • Diagnosis of HS for at least 1 year prior to screening
  • HS lesions must be present in at least 2 distinct anatomic areas
  • A total AN count (sum of abscesses and inflammatory nodules) > 6 across all anatomical sites at both the screening and baseline visits
  • Willing to use contraception for the duration of the study

Exclusion criteria

Exclusion Criteria:

  • Presence of other skin conditions which may interfere with study assessments
  • Presence of active, chronic or latent bacterial, viral, fungal mycobacterial infection (including latent TB) or history of infection within 4 weeks of screening
  • Body Mass Index (BMI) >48kg/m2
  • Breastfeeding or pregnant
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Study design

Phase
Phase 2
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Double (Participant, Investigator)
Enrollment
25 participants (actual)

Study arms

  • Experimental
    RIST4721 400 mg

    RIST4721 400 mg: 4 active (100 mg) tablets once daily for 12 weeks

    Drug: RIST4721

  • Placebo comparator
    Placebo

    Placebo: 4 placebo tablets once daily for 12 weeks

    Drug: Placebo

Interventions

  • DrugRIST4721

    RIST4721 tablets, 100 mg are blue, oval, biconvex film-coated tablets

  • DrugPlacebo

    Matching placebo

06

What researchers measure

Primary outcomes

  1. Incidence of TEAEs

    Time frame: Baseline to Week 12 (or end of study participation)

  2. Incidence of SAEs

    Time frame: Baseline to Week 12 (or end of study participation)

Secondary outcomes

  1. Proportion of Subjects Achieving HiSCR50 at Week 12

    Time frame: Baseline to Week 12

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Results

Posted Jun 13, 2023

Participant flow

Participant flow — Overall Study
MilestoneRIST4721 400 mgPlacebo
Started178
Completed42
Not completed136
Withdrew: Study terminated by sponsor83
Withdrew: Withdrawal by subject11
Withdrew: Lost to follow-up11
Withdrew: Adverse event10
Withdrew: Other21

Outcome measures

PrimaryIncidence of TEAEs
Time frame:
Baseline to Week 12 (or end of study participation)
Reported as:
Count of participants · Participants
Incidence of TEAEs
ParticipantsRIST4721 400 mgPlacebo
Incidence of TEAEs94
PrimaryIncidence of SAEs
Time frame:
Baseline to Week 12 (or end of study participation)
Reported as:
Count of participants · Participants
Incidence of SAEs
ParticipantsRIST4721 400 mgPlacebo
Incidence of SAEs11
SecondaryProportion of Subjects Achieving HiSCR50 at Week 12
Time frame:
Baseline to Week 12
Reported as:
Count of participants · Participants
Proportion of Subjects Achieving HiSCR50 at Week 12
ParticipantsRIST4721 400 mgPlacebo
Proportion of Subjects Achieving HiSCR50 at Week 1232

Adverse events

Collected over From ICF signature to end of study participation.. Non-serious events are listed at a 0% frequency threshold.

Adverse event summary by group
GroupDeathsSeriousOther
RIST4721 400 mg0/17 (0%)1/17 (5.9%)9/17 (52.9%)
Placebo0/8 (0%)1/8 (12.5%)4/8 (50%)
Most frequent serious events
Most frequent serious events
EventRIST4721 400 mgPlacebo
Obstructive pancreatitisGastrointestinal disorders0/171/8
MigraineNervous system disorders1/170/8
Most frequent other events
Showing 10 of 22
Most frequent other events
EventRIST4721 400 mgPlacebo
NasopharyngitisInfections and infestations0/172/8
Urine odour abnormalRenal and urinary disorders3/170/8
DiarrhoeaGastrointestinal disorders0/171/8
Chest painGeneral disorders0/171/8
COVID-19Infections and infestations2/171/8
HypertriglyceridaemiaMetabolism and nutrition disorders0/171/8
SciaticaNervous system disorders1/171/8
Liver function test increasedInvestigations2/170/8
Abdominal pain lowerGastrointestinal disorders1/170/8
FatigueGeneral disorders1/170/8

Baseline characteristics

Age, Categorical
Age, Categorical(Participants)RIST4721 400 mgPlaceboTotal
<=18 years000
Between 18 and 65 years17825
>=65 years000
Sex: Female, Male
Sex: Female, Male(Participants)RIST4721 400 mgPlaceboTotal
Female15722
Male213
Race (NIH/OMB)
Race (NIH/OMB)(Participants)RIST4721 400 mgPlaceboTotal
American Indian or Alaska Native000
Asian011
Native Hawaiian or Other Pacific Islander000
Black or African American325
White14519
More than one race000
Unknown or Not Reported000
Region of Enrollment
Region of Enrollment(participants)RIST4721 400 mgPlaceboTotal
Canada314
United States14721
08

Study locations

12 sites
  • Cahaba Dermatology & Skin Center
    Birmingham, Alabama 35244, United States
  • Investigate MD, LLC
    Scottsdale, Arizona 85255, United States
  • USC IDS Pharmacy
    Los Angeles, California 90033, United States
  • Florida Academic Centers Research and Education, LLC
    Coral Gables, Florida 33134, United States
  • ForCare Clinical Research
    Tampa, Florida 33613, United States
  • The Indiana Clinical Trials Center, P.C.
    Plainfield, Indiana 46168, United States
  • Beth Israel Deaconess Medical Center
    Boston, Massachusetts 02215, United States
  • Wright State Physicians
    Fairborn, Ohio 45324, United States
  • Progressive Clinical Research
    San Antonio, Texas 78213, United States
  • Virginia Clinical Research, Inc.
    Norfolk, Virginia 23502, United States
  • Enverus Medical Research
    Surrey, British Columbia V3V 0C6, Canada
  • SKiN Health
    Cobourg, Ontario K9A 0Z4, Canada
09

References and documents

Study documents

  • Study protocol · Feb 11, 2022
  • Statistical analysis plan · Feb 21, 2023

Documents are hosted by the registry — open the source record to download them.

Individual participant data

Plan to share: No

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Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Jun 13, 2023, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
11

Registry details

Key details

Study ID
NCT05348681
Lead sponsor
Aristea Therapeutics, Inc.
Responsible party
Sponsor
First posted
Apr 27, 2022
Start date
Jul 18, 2022
Primary completion
Feb 28, 2023
Completion
Feb 28, 2023
Results posted
Jun 13, 2023
Last update
Jun 13, 2023

Oversight

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

Not currently enrolling

This study is terminated, as verified in May 2023. You cannot join it, but the record below documents what was studied.

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