diff --git a/packages/cbioportal-ts-api-client/src/generated/CBioPortalAPIInternal-docs.json b/packages/cbioportal-ts-api-client/src/generated/CBioPortalAPIInternal-docs.json
index 31052fbd0ac..4b857f37010 100644
--- a/packages/cbioportal-ts-api-client/src/generated/CBioPortalAPIInternal-docs.json
+++ b/packages/cbioportal-ts-api-client/src/generated/CBioPortalAPIInternal-docs.json
@@ -628,6 +628,93 @@
         "operationId": "fetchCNAGenesUsingPOST"
       }
     },
+    "/api/column-store/treatments/patient-counts/fetch": {
+      "post": {
+        "consumes": [
+          "application/json"
+        ],
+        "produces": [
+          "application/json"
+        ],
+        "parameters": [
+          {
+            "default": "Agent",
+            "enum": [
+              "Agent",
+              "AgentClass",
+              "AgentTarget"
+            ],
+            "in": "query",
+            "name": "tier",
+            "required": false,
+            "type": "string"
+          },
+          {
+            "in": "body",
+            "name": "studyViewFilter",
+            "schema": {
+              "$ref": "#/definitions/StudyViewFilter"
+            }
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "OK",
+            "schema": {
+              "$ref": "#/definitions/PatientTreatmentReport"
+            }
+          }
+        },
+        "tags": [
+          "study-view-column-store-controller"
+        ],
+        "description": "Get all patient level treatments",
+        "operationId": "fetchPatientTreatmentCountsUsingPOST"
+      }
+    },
+    "/api/column-store/treatments/sample-counts/fetch": {
+      "post": {
+        "consumes": [
+          "application/json"
+        ],
+        "produces": [
+          "application/json"
+        ],
+        "parameters": [
+          {
+            "default": "Agent",
+            "enum": [
+              "Agent",
+              "AgentClass",
+              "AgentTarget"
+            ],
+            "in": "query",
+            "name": "tier",
+            "required": false,
+            "type": "string"
+          },
+          {
+            "in": "body",
+            "name": "studyViewFilter",
+            "schema": {
+              "$ref": "#/definitions/StudyViewFilter"
+            }
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "OK",
+            "schema": {
+              "$ref": "#/definitions/SampleTreatmentReport"
+            }
+          }
+        },
+        "tags": [
+          "study-view-column-store-controller"
+        ],
+        "operationId": "fetchSampleTreatmentCountsUsingPOST"
+      }
+    },
     "/api/cosmic-counts/fetch": {
       "post": {
         "consumes": [
@@ -5704,6 +5791,18 @@
       },
       "type": "object"
     },
+    "PatientTreatment": {
+      "properties": {
+        "count": {
+          "format": "int32",
+          "type": "integer"
+        },
+        "treatment": {
+          "type": "string"
+        }
+      },
+      "type": "object"
+    },
     "PatientTreatmentFilter": {
       "properties": {
         "treatment": {
@@ -5712,6 +5811,25 @@
       },
       "type": "object"
     },
+    "PatientTreatmentReport": {
+      "properties": {
+        "patientTreatments": {
+          "items": {
+            "$ref": "#/definitions/PatientTreatment"
+          },
+          "type": "array"
+        },
+        "totalPatients": {
+          "format": "int32",
+          "type": "integer"
+        },
+        "totalSamples": {
+          "format": "int32",
+          "type": "integer"
+        }
+      },
+      "type": "object"
+    },
     "PatientTreatmentRow": {
       "properties": {
         "count": {
@@ -5930,6 +6048,21 @@
       },
       "type": "object"
     },
+    "SampleTreatmentReport": {
+      "properties": {
+        "totalSamples": {
+          "format": "int32",
+          "type": "integer"
+        },
+        "treatments": {
+          "items": {
+            "$ref": "#/definitions/SampleTreatmentRow"
+          },
+          "type": "array"
+        }
+      },
+      "type": "object"
+    },
     "SampleTreatmentRow": {
       "properties": {
         "count": {
diff --git a/packages/cbioportal-ts-api-client/src/generated/CBioPortalAPIInternal.ts b/packages/cbioportal-ts-api-client/src/generated/CBioPortalAPIInternal.ts
index 7db0e3b4e3f..7abb932cccc 100644
--- a/packages/cbioportal-ts-api-client/src/generated/CBioPortalAPIInternal.ts
+++ b/packages/cbioportal-ts-api-client/src/generated/CBioPortalAPIInternal.ts
@@ -920,10 +920,24 @@ export type PatientIdentifier = {
 
         'studyId': string
 
+};
+export type PatientTreatment = {
+    'count': number
+
+        'treatment': string
+
 };
 export type PatientTreatmentFilter = {
     'treatment': string
 
+};
+export type PatientTreatmentReport = {
+    'patientTreatments': Array < PatientTreatment >
+
+        'totalPatients': number
+
+        'totalSamples': number
+
 };
 export type PatientTreatmentRow = {
     'count': number
@@ -1022,6 +1036,12 @@ export type SampleTreatmentFilter = {
 
         'treatment': string
 
+};
+export type SampleTreatmentReport = {
+    'totalSamples': number
+
+        'treatments': Array < SampleTreatmentRow >
+
 };
 export type SampleTreatmentRow = {
     'count': number
@@ -2519,6 +2539,172 @@ export default class CBioPortalAPIInternal {
                 return response.body;
             });
         };
+    fetchPatientTreatmentCountsUsingPOSTURL(parameters: {
+        'tier' ? : "Agent" | "AgentClass" | "AgentTarget",
+        'studyViewFilter' ? : StudyViewFilter,
+        $queryParameters ? : any
+    }): string {
+        let queryParameters: any = {};
+        let path = '/api/column-store/treatments/patient-counts/fetch';
+        if (parameters['tier'] !== undefined) {
+            queryParameters['tier'] = parameters['tier'];
+        }
+
+        if (parameters.$queryParameters) {
+            Object.keys(parameters.$queryParameters).forEach(function(parameterName) {
+                var parameter = parameters.$queryParameters[parameterName];
+                queryParameters[parameterName] = parameter;
+            });
+        }
+        let keys = Object.keys(queryParameters);
+        return this.domain + path + (keys.length > 0 ? '?' + (keys.map(key => key + '=' + encodeURIComponent(queryParameters[key])).join('&')) : '');
+    };
+
+    /**
+     * Get all patient level treatments
+     * @method
+     * @name CBioPortalAPIInternal#fetchPatientTreatmentCountsUsingPOST
+     * @param {string} tier - A web service for supplying JSON formatted data to cBioPortal clients. Please note that this API is currently in beta and subject to change.
+     * @param {} studyViewFilter - A web service for supplying JSON formatted data to cBioPortal clients. Please note that this API is currently in beta and subject to change.
+     */
+    fetchPatientTreatmentCountsUsingPOSTWithHttpInfo(parameters: {
+        'tier' ? : "Agent" | "AgentClass" | "AgentTarget",
+        'studyViewFilter' ? : StudyViewFilter,
+        $queryParameters ? : any,
+            $domain ? : string
+    }): Promise < request.Response > {
+        const domain = parameters.$domain ? parameters.$domain : this.domain;
+        const errorHandlers = this.errorHandlers;
+        const request = this.request;
+        let path = '/api/column-store/treatments/patient-counts/fetch';
+        let body: any;
+        let queryParameters: any = {};
+        let headers: any = {};
+        let form: any = {};
+        return new Promise(function(resolve, reject) {
+            headers['Accept'] = 'application/json';
+            headers['Content-Type'] = 'application/json';
+
+            if (parameters['tier'] !== undefined) {
+                queryParameters['tier'] = parameters['tier'];
+            }
+
+            if (parameters['studyViewFilter'] !== undefined) {
+                body = parameters['studyViewFilter'];
+            }
+
+            if (parameters.$queryParameters) {
+                Object.keys(parameters.$queryParameters).forEach(function(parameterName) {
+                    var parameter = parameters.$queryParameters[parameterName];
+                    queryParameters[parameterName] = parameter;
+                });
+            }
+
+            request('POST', domain + path, body, headers, queryParameters, form, reject, resolve, errorHandlers);
+
+        });
+    };
+
+    /**
+     * Get all patient level treatments
+     * @method
+     * @name CBioPortalAPIInternal#fetchPatientTreatmentCountsUsingPOST
+     * @param {string} tier - A web service for supplying JSON formatted data to cBioPortal clients. Please note that this API is currently in beta and subject to change.
+     * @param {} studyViewFilter - A web service for supplying JSON formatted data to cBioPortal clients. Please note that this API is currently in beta and subject to change.
+     */
+    fetchPatientTreatmentCountsUsingPOST(parameters: {
+        'tier' ? : "Agent" | "AgentClass" | "AgentTarget",
+        'studyViewFilter' ? : StudyViewFilter,
+        $queryParameters ? : any,
+            $domain ? : string
+    }): Promise < PatientTreatmentReport > {
+        return this.fetchPatientTreatmentCountsUsingPOSTWithHttpInfo(parameters).then(function(response: request.Response) {
+            return response.body;
+        });
+    };
+    fetchSampleTreatmentCountsUsingPOSTURL(parameters: {
+        'tier' ? : "Agent" | "AgentClass" | "AgentTarget",
+        'studyViewFilter' ? : StudyViewFilter,
+        $queryParameters ? : any
+    }): string {
+        let queryParameters: any = {};
+        let path = '/api/column-store/treatments/sample-counts/fetch';
+        if (parameters['tier'] !== undefined) {
+            queryParameters['tier'] = parameters['tier'];
+        }
+
+        if (parameters.$queryParameters) {
+            Object.keys(parameters.$queryParameters).forEach(function(parameterName) {
+                var parameter = parameters.$queryParameters[parameterName];
+                queryParameters[parameterName] = parameter;
+            });
+        }
+        let keys = Object.keys(queryParameters);
+        return this.domain + path + (keys.length > 0 ? '?' + (keys.map(key => key + '=' + encodeURIComponent(queryParameters[key])).join('&')) : '');
+    };
+
+    /**
+     * 
+     * @method
+     * @name CBioPortalAPIInternal#fetchSampleTreatmentCountsUsingPOST
+     * @param {string} tier - A web service for supplying JSON formatted data to cBioPortal clients. Please note that this API is currently in beta and subject to change.
+     * @param {} studyViewFilter - A web service for supplying JSON formatted data to cBioPortal clients. Please note that this API is currently in beta and subject to change.
+     */
+    fetchSampleTreatmentCountsUsingPOSTWithHttpInfo(parameters: {
+        'tier' ? : "Agent" | "AgentClass" | "AgentTarget",
+        'studyViewFilter' ? : StudyViewFilter,
+        $queryParameters ? : any,
+            $domain ? : string
+    }): Promise < request.Response > {
+        const domain = parameters.$domain ? parameters.$domain : this.domain;
+        const errorHandlers = this.errorHandlers;
+        const request = this.request;
+        let path = '/api/column-store/treatments/sample-counts/fetch';
+        let body: any;
+        let queryParameters: any = {};
+        let headers: any = {};
+        let form: any = {};
+        return new Promise(function(resolve, reject) {
+            headers['Accept'] = 'application/json';
+            headers['Content-Type'] = 'application/json';
+
+            if (parameters['tier'] !== undefined) {
+                queryParameters['tier'] = parameters['tier'];
+            }
+
+            if (parameters['studyViewFilter'] !== undefined) {
+                body = parameters['studyViewFilter'];
+            }
+
+            if (parameters.$queryParameters) {
+                Object.keys(parameters.$queryParameters).forEach(function(parameterName) {
+                    var parameter = parameters.$queryParameters[parameterName];
+                    queryParameters[parameterName] = parameter;
+                });
+            }
+
+            request('POST', domain + path, body, headers, queryParameters, form, reject, resolve, errorHandlers);
+
+        });
+    };
+
+    /**
+     * 
+     * @method
+     * @name CBioPortalAPIInternal#fetchSampleTreatmentCountsUsingPOST
+     * @param {string} tier - A web service for supplying JSON formatted data to cBioPortal clients. Please note that this API is currently in beta and subject to change.
+     * @param {} studyViewFilter - A web service for supplying JSON formatted data to cBioPortal clients. Please note that this API is currently in beta and subject to change.
+     */
+    fetchSampleTreatmentCountsUsingPOST(parameters: {
+        'tier' ? : "Agent" | "AgentClass" | "AgentTarget",
+        'studyViewFilter' ? : StudyViewFilter,
+        $queryParameters ? : any,
+            $domain ? : string
+    }): Promise < SampleTreatmentReport > {
+        return this.fetchSampleTreatmentCountsUsingPOSTWithHttpInfo(parameters).then(function(response: request.Response) {
+            return response.body;
+        });
+    };
     fetchCosmicCountsUsingPOSTURL(parameters: {
         'keywords': Array < string > ,
         $queryParameters ? : any
diff --git a/src/pages/studyView/StudyViewPageStore.ts b/src/pages/studyView/StudyViewPageStore.ts
index 90223674981..c6ea86798ac 100644
--- a/src/pages/studyView/StudyViewPageStore.ts
+++ b/src/pages/studyView/StudyViewPageStore.ts
@@ -5826,7 +5826,7 @@ export class StudyViewPageStore
             const res = _(this.samples.result!)
                 .map(sample =>
                     sampleResourceDefinitions.map(resource =>
-                        internalClient.getAllResourceDataOfSampleInStudyUsingGET(
+                        this.internalClient.getAllResourceDataOfSampleInStudyUsingGET(
                             {
                                 sampleId: sample.sampleId,
                                 studyId: sample.studyId,
@@ -10462,7 +10462,7 @@ export class StudyViewPageStore
         invoke: async () => {
             if (this.shouldDisplaySampleTreatments.result) {
                 if (isClickhouseMode()) {
-                    return await this.internalClient.fetchSampleTreatmentCountsUsing(
+                    return await this.internalClient.fetchSampleTreatmentCountsUsingPOST(
                         {
                             studyViewFilter: this.filters,
                         }
@@ -10515,7 +10515,7 @@ export class StudyViewPageStore
         invoke: async () => {
             if (this.shouldDisplayPatientTreatments.result) {
                 if (isClickhouseMode()) {
-                    return await this.internalClient.fetchPatientTreatmentCountsUsing(
+                    return await this.internalClient.fetchPatientTreatmentCountsUsingPOST(
                         {
                             studyViewFilter: this.filters,
                         }
@@ -10590,10 +10590,12 @@ export class StudyViewPageStore
         await: () => [this.shouldDisplayPatientTreatmentGroups],
         invoke: () => {
             if (this.shouldDisplayPatientTreatmentGroups.result) {
-                return this.internalClient.fetchPatientTreatmentCountsUsing({
-                    studyViewFilter: this.filters,
-                    tier: 'AgentClass',
-                });
+                return this.internalClient.fetchPatientTreatmentCountsUsingPOST(
+                    {
+                        studyViewFilter: this.filters,
+                        tier: 'AgentClass',
+                    }
+                );
             }
             return Promise.resolve(undefined);
         },
@@ -10643,7 +10645,7 @@ export class StudyViewPageStore
     public readonly patientTreatmentTarget = remoteData({
         await: () => [this.shouldDisplayPatientTreatmentTarget],
         invoke: () => {
-            return this.internalClient.fetchPatientTreatmentCountsUsing({
+            return this.internalClient.fetchPatientTreatmentCountsUsingPOST({
                 studyViewFilter: this.filters,
                 tier: 'AgentTarget',
             });