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AZD6234

Phase 3

Obesity or Overweight | Small molecule | Metabolic |AstraZeneca PLC|Last Updated: Sep 1, 2026

Target and mechanism

ModalitySmall molecule

Also known as AZD6234 Formulation 1, AZD6234 Formulation 2 (low concentration), AZD6234 Formulation 2, AZD6234 Formulation 3

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials4
Total Enrollment4,762

FDA Designations

No designations recorded

Clinical trial landscape

AZD6234 · 11 trials · 11 indications

Phase 3 3Phase 2 3Phase 1 5
NCT07776509A Study to Evaluate Effect of AZD6234 as an Adjunct to Incretin-based Therapies in Adult Participants With Obesity or Overweight With Weight-related Comorbidity With or Without Type 2 Diabetes MellitusObesity or Overweight
NOT YET_RECRUITING500 Analytics
NCT07784270A Study to Evaluate Effect of AZD6234 in Adult Participants With Type 2 Diabetes Mellitus and Obesity or OverweightObesity or Overweight
NOT YET_RECRUITING1,500 Analytics
NCT07784725A Study to Evaluate Effect of AZD6234 in Adult Participants With Obesity or Overweight With Weight-related Comorbidity Without Type 2 Diabetes MellitusObesity or Overweight
RECRUITING2,500 Analytics
PHASE3NOT YET_RECRUITING
A Study to Evaluate Effect of AZD6234 as an Adjunct to Incretin-based Therapies in Adult Participants With Obesity or Overweight With Weight-related Comorbidity With or Without Type 2 Diabetes Mellitus
Obesity or OverweightUnlock trial analytics
PHASE3NOT YET_RECRUITING
A Study to Evaluate Effect of AZD6234 in Adult Participants With Type 2 Diabetes Mellitus and Obesity or Overweight
Obesity or OverweightUnlock trial analytics
PHASE3RECRUITING
A Study to Evaluate Effect of AZD6234 in Adult Participants With Obesity or Overweight With Weight-related Comorbidity Without Type 2 Diabetes Mellitus
Obesity or OverweightUnlock trial analytics

Study Endpoints

Primary Endpoints

Percent change in body weight from baseline at 68 weeks of treatment
68 weeks

To evaluate the effect of AZD6234 as compared to placebo as an adjunct to incretin-based therapies in percent body weight change

Percent change in body weight from baseline at 68 weeks of treatment.
68 weeks

To evaluate the effect of AZD6234 compared to placebo in percent body weight change

Numbers of participant with Adverse Events (AEs) and Serious adverse events (SAEs) (sub-study 1).
From baseline to Day 141

To assess the safety and tolerability of repeated subcutaneous(SC) doses of AZD6234 compared to placebo.

Numbers of participant with Adverse Events (AEs) and Serious adverse events (SAEs) (sub-study 2).
From baseline to Day 225

To assess the safety and tolerability of repeated SC doses of AZD9550 and AZD6234 in combination with AZD9550 compared to placebo.

Percent change in body weight from baseline at Study Week 26
From baseline to week 26

To determine whether treatment with AZD6234 is superior to placebo for weight loss at Study Week 26

Weight loss ≥ 5% from baseline at Study Week 26
From baseline to week 26

To assess the effect of AZD6234 versus placebo on the proportion of participants with weight loss ≥ 5% from baseline at Study Week 26

Percent change in body weight from baseline to week 26
26 weeks

To determine whether AZD6234 is superior to placebo for weight loss

Weight loss ≥ 5% from baseline weight to week 26
26 weeks

To determine whether AZD6234 is superior to placebo in participants with weight loss ≥ 5% from baseline

PK parameters AUCinf
Day 0 through Day 56

To compare the plasma PK of separate single SC doses of AZD9550 and AZD6234 in participants with severe and moderate hepatic impairment with matched controls with normal hepatic function

PK parameters AUClast
Day 0 through Day 56

To compare the plasma PK of separate single SC doses of AZD9550 and AZD6234 in participants with severe and moderate hepatic impairment with matched controls with normal hepatic function

PK parameters Cmax
Day 0 through Day 56

To compare the plasma PK of separate single SC doses of AZD9550 and AZD6234 in participants with severe and moderate hepatic impairment with matched controls with normal hepatic function

Area under the concentration-time curve from time 0 to infinity (AUCinf) of EE and LEVO
Cohort 1: At predefined intervals from Day -5 up to Day 99; Cohort 2 : At pre-defined interval from Day -5 up to Day 169; Cohort 3: At predefined intervals from Day -5 up to Day 225; Cohort 4: At predefined intervals from Day -5 up to Day 253

To assess the effect of multiple doses of AZD6234, multiple doses of co-administered AZD9550 and AZD6234, and multiple doses of AZD9550 on the PK of single doses of CoC EE/LEVO.

Area under the concentration-time curve from time of dosing to the last measurable concentration (AUClast) of EE and LEVO
Cohort 1: At predefined intervals from Day -5 up to Day 99; Cohort 2 : At pre-defined interval from Day -5 up to Day 169; Cohort 3: At predefined intervals from Day -5 up to Day 225; Cohort 4: At predefined intervals from Day -5 up to Day 253

To assess the effect of multiple doses of AZD6234, multiple doses of co-administered AZD9550 and AZD6234, and multiple doses of AZD9550 on the PK of single doses of CoC EE/LEVO.

Maximum plasma concentration (Cmax) of EE and LEVO
Cohort 1: At predefined intervals from Day -5 up to Day 99; Cohort 2 : At pre-defined interval from Day -5 up to Day 169; Cohort 3: At predefined intervals from Day -5 up to Day 225; Cohort 4: At predefined intervals from Day -5 up to Day 253

To assess the effect of multiple doses of AZD6234, multiple doses of co-administered AZD9550 and AZD6234, and multiple doses of AZD9550 on the PK of single doses of CoC EE/LEVO.

Time to reach maximum drug concentration in plasma (tmax) of EE and LEVO
Cohort 1: At predefined intervals from Day -5 up to Day 99; Cohort 2 : At pre-defined interval from Day -5 up to Day 169; Cohort 3: At predefined intervals from Day -5 up to Day 225; Cohort 4: At predefined intervals from Day -5 up to Day 253

To assess the effect of multiple doses of AZD6234, multiple doses of co-administered AZD9550 and AZD6234, and multiple doses of AZD9550 on the PK of single doses of CoC EE/LEVO.

Elimination half-life (t1/2λz) of EE and LEVO
Cohort 1: At predefined intervals from Day -5 up to Day 99; Cohort 2 : At pre-defined interval from Day -5 up to Day 169; Cohort 3: At predefined intervals from Day -5 up to Day 225; Cohort 4: At predefined intervals from Day -5 up to Day 253

To assess the effect of multiple doses of AZD6234, multiple doses of co-administered AZD9550 and AZD6234, and multiple doses of AZD9550 on the PK of single doses of CoC EE/LEVO.

AUClast
Day 1 to Day 36

Area under plasma concentration-time curve from time zero to the last measurable concentration

AUCinf
Day 1 to Day 36

Area under plasma concentration-time curve from zero to infinity

Cmax
Day 1 to Day 36

Maximum observed plasma concentration

Number of participants with Adverse Events (AEs) and Serious Adverse Events(SAE)
From Screening (Day -35 to Day -3) to Day 78 (Cohort 1) or to Day 120 (Cohort 2 and 3) or to Day 225 (Cohort 4)

The safety and tolerability of repeated subcutaneous (SC) doses of AZD6234 compared to placebo will be assessed.

Number of participants with AEs and Serious Adverse Events(SAE)
From Screening until Follow up (Day 43)

The safety and tolerability of AZD6234 following subcutaneous and/or intravenous administration of single ascending doses in healthy participants, including Japanese participants, who are overweight or obese will be assessed.

Secondary Endpoints

Percent change in body weight from baseline at 68 weeks of treatment
68 weeks
Absolute change in weight (kg) from baseline at 68 weeks of treatment
68 weeks
Achievement of at least 5% body weight loss from baseline at 68 weeks of treatment
68 weeks
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
AZD6234EXPERIMENTALAZD6234
PlaceboPLACEBO_COMPARATORMatching placebo
AZD6234 Dose 1EXPERIMENTALAZD6234 Dose 1
AZD6234 Dose 2EXPERIMENTALAZD6234 Dose 2
AZD6234 (sub-study 1)EXPERIMENTALParticipants will receive subcutaneous injection of AZD6234 on Day 1 and continue for 16 weeks.
Placebo (sub-study 1)PLACEBO_COMPARATORParticipants will receive subcutaneous injection of matched volume of placebo on Day 1 and continue for 16 weeks.
AZD9550(sub-study 2 Cohort A)EXPERIMENTALParticipants will receive subcutaneous injection of AZD9550 on Day 1 and continue for 28 weeks.
Placebo (sub-study 2 Cohort A)PLACEBO_COMPARATORParticipants will receive subcutaneous injection of matched volume of placebo on Day 1 and continue for 28 weeks.
AZD6234 in combination with AZD9550 (sub-study 2 Cohort B)EXPERIMENTALParticipants will receive subcutaneous injection of AZD6234 and AZD9550 on Day 1 and continue for 28 weeks.
Placebo (sub-study 2 Cohort B)PLACEBO_COMPARATORParticipants will receive subcutaneous injection of matched volume of placebo on Day 1 and continue for 28 weeks.
Placebo for AZD6234PLACEBO_COMPARATORWeekly SC injections of matching placebo
Arm 1EXPERIMENTALDose 1
Arm 2EXPERIMENTALDose 2
Arm 3EXPERIMENTALDose 3
Arm 4PLACEBO_COMPARATORPlacebo - Dose matched with each Experimental arm
Group 1EXPERIMENTALParticipants with severe hepatic impairment (CP Class C, score of 10 to 15).
Group 2EXPERIMENTALParticipants with moderate hepatic impairment (CP Class B, score of 7 to 9).
Group 3EXPERIMENTALParticipants with normal hepatic function matched on a group level regarding sex, age, and BMI to the participants with hepatic impairment.
Cohort-1: AZD6234 + EE/LEVO + Acetaminophen (APAP)EXPERIMENTALAll participants will receive CoC (EE/LEVO) and separately, APAP, treatments throughout the study during the up-titration and maintenance periods of subcutaneous AZD6234 administration.
Cohort-2: AZD6234+AZD9550+EE/LEVO+APAPEXPERIMENTALAll participants will receive CoC (EE/LEVO) and separately, APAP, treatments throughout the study during the up-titration and maintenance periods of subcutaneous AZD6234 (up to a maximum dose of Dose X1) and AZD9550 (up to a maximum dose of Dose Y1) administration.
Cohort-3: AZD9550 + EE/LEVO + APAPEXPERIMENTALAll participants will receive CoC (EE/LEVO) and separately, APAP, treatments throughout the study during the up-titration and maintenance periods of subcutaneous AZD9550 administration.
Cohort-4: AZD6234+AZD9550+EE/LEVO+APAPEXPERIMENTALAll participants will receive CoC (EE/LEVO) and separately, APAP, treatments throughout the study during the up-titration and maintenance periods of subcutaneous AZD6234 (up to a maximum dose of Dose X2) and AZD9550 (up to a maximum dose of Dose Y1) administration.
Group 4 (optional)EXPERIMENTALSubjects with moderate renal impairment will receive a single subcutaneous dose of AZD6234 under fasted conditions
Group 5 (optional)EXPERIMENTALSubjects with mild renal impairment will receive a single subcutaneous dose of AZD6234 under fasted conditions
Cohort 1EXPERIMENTALParticipants will receive repeated doses of AZD6234 or placebo via SC injection
Cohort 2EXPERIMENTALParticipants will receive repeated doses of AZD6234 or placebo via SC injection
Cohort 3EXPERIMENTALJapanese participants will receive repeated doses of AZD6234 or placebo via SC injection
Cohort 4EXPERIMENTALJapanese participants with childbearing potential will receive repeated doses of AZD6234 or placebo via SC injection.
Cohort 5EXPERIMENTALOne dose level for SC administration is planned to be investigated for Japanese participants only
Cohort 6EXPERIMENTALParticipants will receive single ascending doses of AZD6234 via SC injection and matching volumes of the placebo as a solution via SC injection
Cohort 7EXPERIMENTALParticipants will receive single ascending doses of AZD6234 via SC injection and matching volumes of the placebo as a solution via SC injection
Cohort 8EXPERIMENTALParticipants will receive AZD6234 via SC injection and matching volumes of placebo as a solution via SC injection

Interventions

NameTypeDescription
AZD6234DRUGIMP injected subcutaneously, once a week.
PlaceboDRUGPlacebo matching IMP dose injected subcutaneously, once a week.
AZD9550DRUGParticipants will receive a subcutaneous injection weekly
PloceboDRUGParticipants will receive a subcutaneous injection weekly
AZD6234 in combination with AZD9550DRUGParticipants will receive a subcutaneous injection weekly
Placebo to matchDRUGWeekly SC injections of matching placebo
Placebo comparatorDRUGPlacebo matching IMP dose injected subcutaneously, once a week.
Ethinyl estradiol/Levonorgestrel (EE/LEVO)DRUGEE/LEVO will be administered as combined oral tablets.
Acetaminophen (APAP)DRUGAPAP will be administered orally as a solution.
AcetaminophenCOMBINATION_PRODUCTParticipants will receive a single dose of acetaminophen as part of a meal
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites88

Inclusion Criteria: * Males \& females (inclusive of all gender identities) age ≥18 years * BMI ≥ 30 kg/m2 OR BMI ≥ 27 kg/m2 with at least one of the following weight-related comorbidities (treated or untreated): hypertension, dyslipidaemia, obstructive sleep apnoea, cardiovascular disease, heart f...

Countries:United StatesArgentinaBrazilCanadaChinaDenmarkIsraelJapanSwedenTurkey (Türkiye)United KingdomAustraliaChileGermanyHungaryIndiaPolandSlovakiaSouth KoreaSpainTaiwanBulgariaCzechiaFranceItaly
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Recent Changes (Last 90 Days)

LOWSep 1, 2026NCT07546760lastUpdatePostDate: changed
LOWSep 1, 2026NCT07546760lastUpdatePostDate: changed
LOWAug 25, 2026NCT07784270NEW_TRIAL: changed
LOWAug 25, 2026NCT07784725NEW_TRIAL: changed
LOWAug 25, 2026NCT07784270NEW_TRIAL: changed
LOWAug 25, 2026NCT07784725NEW_TRIAL: changed
MEDIUMAug 20, 2026NCT06595238TRIAL_REMOVED: changed
LOWAug 20, 2026NCT07776509NEW_TRIAL: changed
MEDIUMAug 20, 2026NCT06595238TRIAL_REMOVED: changed
LOWAug 20, 2026NCT07776509NEW_TRIAL: changed
MEDIUMAug 20, 2026NCT06595238TRIAL_REMOVED: changed
MEDIUMAug 20, 2026NCT06595238TRIAL_REMOVED: changed
LOWAug 19, 2026NCT07013643lastUpdatePostDate: changed
LOWAug 19, 2026NCT07013643lastUpdatePostDate: changed
LOWAug 19, 2026NCT07013643lastUpdatePostDate: changed
LOWAug 4, 2026NCT07546760lastUpdatePostDate: changed
LOWAug 4, 2026NCT07546760lastUpdatePostDate: changed
LOWJul 20, 2026NCT07013643lastUpdatePostDate: changed

Frequently asked questions about AZD6234

What is AZD6234 used for?

AZD6234 is an investigational small molecule being developed for obesity or overweight, including in people with weight-related comorbidities and in those with type 2 diabetes on a stable GLP-1 receptor agonist. It is also being studied in participants with hepatic impairment. It is in Phase 2 clinical development.

Who makes AZD6234?

AZD6234 is being developed by AstraZeneca PLC, which trades under the ticker AZN. The company is conducting multiple clinical trials of this investigational small molecule in metabolic conditions, primarily obesity and overweight.

What phase is AZD6234 in?

AZD6234 is in Phase 2 clinical development. Most of its trials are Phase 2 studies, including one completed study in obesity or overweight and two active studies in overweight or obesity with type 2 diabetes and in Chinese participants. One Phase 1 trial is also recruiting.

What clinical trials is AZD6234 in?

AZD6234 has four clinical trials. NCT06595238 is a completed Phase 2 study in obesity or overweight with a weight-related comorbidity. NCT06851858 is an active Phase 2 study in overweight or obesity with type 2 diabetes. NCT07017179 is an active Phase 2 platform study in Chinese participants with obesity or overweight. NCT07546760 is a recruiting Phase 1 study in hepatic impairment.

Is AZD6234 the same as AZD6234 Formulation 1 or Formulation 2?

Yes, AZD6234 is also known as AZD6234 Formulation 1, AZD6234 Formulation 2, AZD6234 Formulation 2 (low concentration), and AZD6234 Formulation 3. These names refer to different formulations of the same investigational drug being studied by AstraZeneca.

Is AZD6234 FDA approved?

No, AZD6234 is not FDA approved. It is an investigational drug still in clinical development, with most studies in Phase 2 and one in Phase 1. It has not completed the regulatory approval process, and its safety and efficacy have not been established for any indication.